<p dir="ltr">Don&rsquo;t let the four-horse field fool you. The combinations lining up for this weekend's Grand Prix Freestyle at the <strong>Ginny Rattner Dressage Memorial CDI3*</strong> are riding for their postseason lives. In a single afternoon, one freestyle ride could lock up a Final qualification, rescue a leaderboard bubble position, or launch a dark-horse CDI debut. With only four qualifiers left on the calendar, there is no room left for a safe ride in Sherwood, Oregon.</p>
<p><iframe id="datawrapper-chart-SbspO" style="width: 0; min-width: 100% !important; border: none;" title="Ginny Rattner Memorial Dressage CDI3*" src="https://datawrapper.dwcdn.net/SbspO/1/" height="476" frameborder="0" scrolling="no" aria-label="Table" data-external="1"></iframe></p>
<h2 dir="ltr">Harrison-Antell and Finley: The Benchmark</h2>
<p dir="ltr"><strong>Kristina Harrison-Antell</strong> and <strong>Finley</strong> are the field's most credentialed combination&mdash;boasting ten FEI freestyle starts, a 75.470% personal best, and a 71.76% average that no one else here has matched at this level. In a four-horse class, that record is the metric everyone else is measuring against.</p>
<p dir="ltr">However, their last two outings have not looked like that record. Recent scores of 70.730% and 68.835% both sit below their average, dropping them off the top step of the podium. In a tiny field, an off-day is glaringly exposed. A win this weekend would propel Harrison-Antell from outside the top 18 up to 29 points, thrusting her right back into qualifying range. The history books say she should be the one delivering it; recent form says she has her work cut out for her.</p>
<h2 dir="ltr">Jackson and Florisson: Already Done It Once</h2>
<p dir="ltr">The clearest evidence that a paper record guarantees nothing came six weeks ago at Del Mar, where <strong>Cyndi Jackson </strong>and <strong>Florisson</strong> stole the freestyle win with Harrison-Antell in the field. Jackson wasn't the favorite that day either. She is faced with the same challenge again this weekend, but the Series stakes have grown significantly.</p>
<p dir="ltr">Jackson currently sits at 18 points&mdash;just on the edge of assured qualification. A win takes her to 44 points and sixth place, rendering a Final berth a certainty. While three FEI freestyle starts is a thin statistical sample, Florisson posted blistering 78.000% and 76.600% scores as a 6-year-old. What this combination looks like as Florisson matures into peak Grand Prix age, hasn&rsquo;t been fully realized yet. The last time Harrison-Antell opened the door, Jackson stepped through it, and she&rsquo;ll be looking to do it again this weekend.&nbsp;</p>
<h2 dir="ltr">Jorst and Niquel Cap: Arriving with Evidence</h2>
<p dir="ltr"><strong>Charlotte Jorst</strong> walks in with a storied FEI career, but her partner, the 9-year-old Lusitano stallion <strong>Niquel Cap</strong>, has exactly one national Grand Prix Freestyle on his resume. That single performance was a massive 74.500% win at the Starr Vaughn Spring Dressage II last weekend, paired with a 72.065% Grand Prix the day before. That 74.500% is the highest freestyle score any combination in this field has posted recently&mdash;and it came on the horse's very first time down the centerline to music.</p>
<p dir="ltr">A CDI is a different stage than a national show, and a debut is always a wild card. But a partnership that sweeps both tests in its debut outing and logs a score higher than Harrison-Antell has managed in two months, arrives in Sherwood with the kind of momentum that could absolutely topple a favorite. A win would vault Jorst from 47th place (6 points) into the low 20s&mdash;within Final contention if she can squeeze one more qualifier into her calendar.</p>
<h2 dir="ltr">Winger, Unai, and the Home-Field Legacy</h2>
<p dir="ltr"><strong>Ben Winger</strong> and <strong>Unai</strong> round out the entry list, and they hold the distinct advantage of the shortest commute. Winger has been based at Oregon since fall 2025, following professional stints at GoldMark Farm in Ocala and Paragon Farm in Texas. After Unai stepped up to the Grand Prix level at WEC Ocala in July 2025, the move to Oregon unlocked something special.</p>
<p dir="ltr">Since arriving, the partnership has gone completely undefeated at DevonWood, racking up four Grand Prix wins, alongside two national Grand Prix Freestyle victories just weeks ago (scoring 70.575% and 70.900%). While this weekend marks their official CDI freestyle debut, it is hardly an unfamiliar test. Unai has done all of his freestyles dancing on this exact footing.</p>
<p dir="ltr">Founded in 1998 by Ginny and Justin Rattner on 40 acres in Oregon's Willamette Valley, DevonWood represents the bedrock of the Pacific Northwest dressage community. Though Ginny passed away from breast cancer in July 2013, her children have kept her vision alive, running the facility and expanding its footprint.</p>
<p dir="ltr">The Ginny Rattner Memorial CDI3* joined the Open qualifier circuit in 2025, and this weekend marks its second year as a premier calendar destination. The show honors the woman who built the world-class facility that Winger now calls home. For Winger and Unai, the weekend isn't just an international debut, it's a defense of home turf.</p>
<p dir="ltr"><em>(A full venue profile of DevonWood Equestrian Centre runs in this week's Open Weekly <a href="https://www.usequestrianopen.org/stories/the-open-weekly-bicton-aachen-the-ginny-rattner-memorial">here</a>.)</em></p>
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<div style="font-size: 16px; font-weight: 800; line-height: 1.3; color: #001c54; margin-bottom: 4px; font-family: Arial,Helvetica,sans-serif;">Vogel wins the Rolex Grand Prix of Aachen.</div>
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<div style="font-size: 16px; font-weight: 800; line-height: 1.3; color: #001c54; margin-bottom: 4px; font-family: Arial,Helvetica,sans-serif;">The Ginny Rattner Memorial returns.</div>
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The 10 Best Performances of the 2026 US Equestrian Open of Eventing

The Open Weekly: Bicton, Aachen & The Ginny Rattner Memorial

<p data-start="0" data-end="113">For <strong>Isabelle Bosley &amp; Conner, </strong>the rise has been building for a while. Now, it is becoming impossible to ignore.</p>
<p data-start="115" data-end="292">The nine-year-old gelding closed out 2025 with a win at Maryland CCI3*-L, producing the highest-rated performance at the level on US soil all season. That result was no one-off. Across the year, the pair recorded three international wins, one runner-up finish, and clear showjumping rounds at every FEI start - establishing <strong>Conner </strong>as one of the standout young horses in the country.</p>
<p data-start="115" data-end="292"><img src="https://usef-admin.fly.dev/assets/e1d1626d-517c-48be-a305-04a8f5b2c198.png?width=1580&amp;height=1712" alt="Yl6 Oh Top 10 Cci3 L Hprs on Us Soil in 2025 "></p>
<p data-start="500" data-end="765">This spring, they stepped into four-star company, most recently adding a sixth-place finish at Kentucky CCI4*-S to an already impressive resume. Off the back of another major performance, <strong>Conner </strong>now sits fifth among US nine-year-olds on EquiRatings Elo.</p>
<p data-start="767" data-end="851" data-is-last-node="" data-is-only-node="">But the real story behind<strong> Conner &amp; Isabelle </strong>is not just the results, it is how they got there.</p>
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<h2 data-section-id="15vcrml" data-start="819" data-end="849">&nbsp;</h2>
<h2 data-section-id="15vcrml" data-start="819" data-end="849">Produced From the Beginning</h2>
<p data-start="851" data-end="1008">Having&nbsp;been brought up in a deeply horsey family, Isabelle was immersed in the sport from the beginning. Her parents are both racehorse trainers, and much of her early riding came through foxhunting, galloping racehorses, and spending her childhood around barns. Producing horses herself was never really a question, it was simply the way she learned the sport.</p>
<p data-start="362" data-end="558" data-is-last-node="" data-is-only-node="">And that's how <strong>Conner</strong> entered the picture. Isabelle bought him at the end of his five-year-old season, before he had done much of anything in the sport, and everything since then has been built together.</p>
<blockquote data-start="1010" data-end="1330">
<p data-start="1012" data-end="1185"><em>&ldquo;When I got him, he had not done anything. So we&rsquo;ve had him from the very beginning stages, first cross-country school, first horse show. So it&rsquo;s been a very long process. I know him really well. And he really trusts me."</em></p>
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<p data-start="0" data-end="395" data-is-last-node="" data-is-only-node=""><strong>Conner</strong> feels like the first true top-level horse Isabelle has had underneath her. Before him, she had only taken one other horse to the four-star level - something she described as&nbsp;<em>&ldquo;almost like taking a pony around Advanced.&rdquo; </em></p>
<p data-start="0" data-end="395" data-is-last-node="" data-is-only-node="">But even now, despite the results and growing attention around the partnership, she still talks about <strong>Conner</strong> like the young horse she first brought home as a five-year-old.</p>
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<p data-start="767" data-end="851" data-is-last-node="" data-is-only-node=""><img src="https://usef-admin.fly.dev/assets/1f544f75-0a3f-4f71-a89d-10f7e0cf36de.jpg?width=5312&amp;height=3908" alt="Iw 26 K3 De CC I4 Xc Isabelle Bosley Conner"><em style="font-size: 90%; color: #999999;">Isabelle &amp; Conner out cross-country at the Cosequin Lexington CCI4*-S</em></p>
<h2 data-section-id="6tvhvy" data-start="1654" data-end="1677">&nbsp;</h2>
<h2 data-section-id="6tvhvy" data-start="1654" data-end="1677">Maryland to Kentucky</h2>
<p data-start="1679" data-end="1736">Maryland CCI3*-L felt like the moment everything clicked. <strong>Conner's </strong>96 HPR placed him alongside some of the strongest three-star performances seen from young horses in the US over the last number of seasons.</p>
<p data-start="1922" data-end="1955">The next challenge was four-star.</p>
<p data-start="1957" data-end="2177">Stepping up this spring came with a learning curve. Isabelle admits there were moments where the pair had to rethink things, particularly around balance and control as&nbsp;<strong>Conner </strong>adjusted to bigger tracks and faster questions.</p>
<p data-start="2179" data-end="2262">Kentucky, though, looked like confirmation they were moving in the right direction.</p>
<blockquote>
<p><em>"The bigger the crowd, the better it is for me, especially on cross-country. It kind of lifts him up and gets him to take things in instead of just running. So it works in my favor and he loved it. I could feel him going around just like 'Oh my God, all these people are here for me.'"</em></p>
</blockquote>
<p data-start="2543" data-end="2744">While many young horses can shrink in major atmospheres, <strong>Conner </strong>seemed to grow into it. Isabelle described him calmly taking in the atmosphere during the warm-up and feeding off the crowd once out on course.&nbsp;The result was a polished top-10 finish at one of the biggest and most prestigious venues in the sport.</p>
<p data-start="2746" data-end="2828"><img src="https://usef-admin.fly.dev/assets/014e6964-ab34-43b2-b1f0-34fcc253c5c9.jpg?width=4625&amp;height=3316" alt="Iw 26 K3 De CC I4 Jump Isabelle Boseley Conner 3"><em style="font-size: 90%; color: #999999;">Isabelle &amp; Conner show jumping clear with 0.8 time penalties at the Cosequin Lexington CCI4*-S</em></p>
<h2 data-section-id="1e2gfcj" data-start="2835" data-end="2853">&nbsp;</h2>
<h2 data-section-id="1e2gfcj" data-start="2835" data-end="2853">Still Only Nine</h2>
<p data-start="2855" data-end="2947">What stands out most about Isabelle's approach is how patient she remains despite the success. <strong>Conner </strong>is producing elite-level performances already, but she still frames the season as part of a bigger development process rather than a finished product.</p>
<blockquote>
<p data-start="2855" data-end="2947"><em>"I just remind myself he's just a nine-year-old and he's still such a baby. Each event we're just learning something new and I do think every event we've gotten better and better."</em></p>
</blockquote>
<p data-start="3352" data-end="3465">That mindset may be one of the biggest reasons this partnership has progressed so quickly without feeling rushed.</p>
<p data-start="3467" data-end="3604">And while the results already place <strong>Conner </strong>among the most exciting young horses in the country, Isabelle's focus is firmly on the future. The current plan is to head to the US Equestrian Open Final at Morven Park. It is already a meaningful venue for Isabelle, having been the only four-star long she has successfully completed before. This time, though, she returns with a very different kind of horse underneath her.</p>
<p><a href="https://www.usequestrianopen.org/stories/the-open-weekly-potasky-wins-at-madfest-eyes-turn-to-aachen" target="_blank" rel="noopener"><img src="https://usef-admin.fly.dev/assets/797de4a4-a9fd-4ef8-8f83-7253791613fc.png?width=4048&amp;height=577" alt="Us Open Blog Inserts"></a></p>
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<p data-path-to-node="7"><em><strong>The mission of the US Equestrian Open is to grow and foster a deeper connection to equestrian sport by delivering a premier, unified championship series that engages a broader fanbase through top-level competition, storytelling, and a dynamic, entertaining experience.</strong></em></p>

Isabelle Bosley and Conner Are Rising Through the Ranks

<h2 dir="ltr">Dressage: Potasky bests Ashker at MADFest to claim CDI3* freestyle win</h2>
<p dir="ltr"><strong>Ali Potasky</strong> <strong>&amp; Inxs</strong> won Saturday's CDI3* Grand Prix Freestyle at the Mid-Atlantic Dressage Festival with a personal best of 72.425%, edging out<strong> Laine Ashker &amp; </strong><strong>Zeppelin </strong>by 0.315%.&nbsp;</p>
<p dir="ltr">Potasky came into the weekend with the field's highest average but only two starts on record. Saturday's result adds a third data point, and her best one yet.&nbsp;</p>
<blockquote>
<p dir="ltr"><em>"I&rsquo;ve been working on the details&mdash;the connection, the frame, and the softness through the top line. Today I feel like I had moments where that was coming along more than it has in the past,"</em> she said of <strong>Inxs, </strong>who can carry tension in competition.&nbsp;</p>
</blockquote>
<p dir="ltr"><a href="https://www.instagram.com/p/DYfgZs9gM_g/?utm_source=ig_web_copy_link&amp;igsh=MzRlODBiNWFlZA==" target="_blank" rel="noopener"><img src="https://usef-admin.fly.dev/assets/6d88416e-5f37-48b8-be8f-68b2a8098839.png?width=700&amp;height=853" alt="Screenshot 2026 05 19 113032"></a></p>
<p dir="ltr">Ashker, meanwhile, was debuting a new freestyle with <strong>Zeppelin.</strong> She posted a strong 72.110% on a first outing with new music and has her eyes set on the Final in Thermal.&nbsp;</p>
<p dir="ltr"><strong>Miceala Mabraga&ntilde;a &amp; Belatrix RH</strong> finished third with 70.035%, also a personal best.</p>
<p dir="ltr">The top of the overall standings is unchanged after this weekend, but Potasky and Ashker both move into the low 20s. Although still outside the top-18 cutoff for the CDI5* Final, they are both now in range with only four qualifiers remaining this season.</p>
<p dir="ltr"><img src="https://usef-admin.fly.dev/assets/f1d326a8-8044-4186-8952-a26653416d9a.png?width=1098&amp;height=1110" alt="0t C X7 Leaderboard of the Us Equestrian Open of Dressage  (2)"></p>
<p dir="ltr">The next qualifier takes place at the Ginny Rattner Memorial Dressage in Oregon, Saturday, May 30.</p>
<p dir="ltr"><a href="https://www.usequestrianopen.org/categories/dressage" target="_blank" rel="noopener"><img src="https://usef-admin.fly.dev/assets/df3afaab-1f25-4fab-a1dc-c46c608169fb.png?width=1080&amp;height=171" alt="Read More Dressage"></a></p>
<h2 dir="ltr">Listen to this week's episode of the US Equestrian Open Podcast</h2>
<p><iframe style="border-image: initial; border: medium none currentcolor;" title="Embed Player" src="https://play.libsyn.com/embed/episode/id/41360160/height/192/theme/modern/size/large/thumbnail/yes/custom-color/28427a/time-start/00:00:00/hide-playlist/yes/download/yes/font-color/ffffff" width="100%" height="192" scrolling="no" allowfullscreen="allowfullscreen"></iframe></p>
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<h2 dir="ltr">&nbsp;</h2>
<h2 dir="ltr"><strong><strong id="docs-internal-guid-c3f8300a-7fff-1f24-0f99-1ae7d7e449eb"></strong></strong><strong>Jumping: The world's best head to Aachen</strong></h2>
<p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">It was a quieter weekend for US riders on the international circuit despite three five-stars running across Madrid, Windsor, and Hamburg. However, that is because the focus was already shifting elsewhere. Aachen is this week.</p>
<p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">This year's CHIO arrives earlier than usual. Due to the FEI World Championships in Aachen in August, the organisers have moved the spring edition to May 22&ndash;24, christening it the "TSCHIO", a nod to the local Aachen dialect and the deep community bond the event carries.</p>
<p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">The Rolex Grand Prix on Sunday is the second Major of the Rolex Grand Slam of Show Jumping, making <strong>Richard Vogel </strong>(winner of the Dutch Masters in March) a live Grand Slam contender this weekend.</p>
<p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">This weekend also carries weight for the coming months as it shapes up to be a direct audition for the World Championships. This weekend's US contingent is as follows:</p>
<ul class="[li_&amp;]:mb-0 [li_&amp;]:mt-1 [li_&amp;]:gap-1 [&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3">
<li class="font-claude-response-body whitespace-normal break-words pl-2"><strong>Kent Farrington: </strong>Greya, Descartes SR</li>
<li class="font-claude-response-body whitespace-normal break-words pl-2"><strong>McLain Ward:</strong>&nbsp;High Star Hero, Lestro vd Valckenborg</li>
<li class="font-claude-response-body whitespace-normal break-words pl-2"><strong>Laura Kraut: </strong>Bisquetta, Cinnamon, Una Mariposa</li>
<li class="font-claude-response-body whitespace-normal break-words pl-2"><strong>Lillie Keenan: </strong>Anton, Fasther, Kick On</li>
<li class="font-claude-response-body whitespace-normal break-words pl-2"><strong>Karl Cook: </strong>Caracole de la Roque, Candy, Foxy de la Roque</li>
<li class="font-claude-response-body whitespace-normal break-words pl-2"><strong>Aaron Vale:</strong>&nbsp;Carissimo 25, Gray's Inn, Helios du Moulin</li>
</ul>
<p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">The World Championships are fast approaching. This week at Aachen is where the conversation about who goes starts to get serious.</p>
<p class="font-claude-response-body break-words whitespace-normal leading-[1.7]"><a href="https://www.usequestrianopen.org/categories/jumping" target="_blank" rel="noopener"><img src="https://usef-admin.fly.dev/assets/eeee484b-ef16-4e10-9de3-6d72b0a7f0c7.png?width=1080&amp;height=161" alt="Read More Jumping"></a></p>
<h2 class="font-claude-response-body break-words whitespace-normal leading-[1.7]">&nbsp;</h2>
<h2 class="font-claude-response-body break-words whitespace-normal leading-[1.7]"><strong>Eventing: The Series takes a breath&nbsp;</strong></h2>
<p class="font-claude-response-body break-words whitespace-normal leading-[1.7]"><strong>Next Qualifier:&nbsp;</strong>Aspen Farms (June 11th)&nbsp;<strong>| The Final:&nbsp;</strong>Morven Park 4*-L, Virginia (October 8th)</p>
<p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">The Series is on a slight break as we wait for the next qualifier at Aspen Farms on June 11th.<strong> Tamie Smith</strong> leads the Series on 235, <strong>Will Coleman</strong> is second on 215, and&nbsp;<strong>Boyd Martin</strong> is third on 190. Check out the full leaderboard <a href="https://us.equestrian-hub.com/public/championship/eventing/2" target="_blank" rel="noopener">here.</a></p>
<p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">The break is a good moment to zoom out and celebrate 2026 so far. <strong>Tamie Smith</strong> currently leads the world in international wins in 2026 with eight. She is already two ahead of where <strong>Lara de Liedekerke-Meier</strong> stood at the same stage of her record-breaking 2025 campaign. Lara went on to set a new single-season record with 21 international wins, surpassing <strong>Piggy March&rsquo;s</strong> previous mark of 15. Out of those eight wins, four have come at the CCI4* level and it is only May.</p>
<p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">We wrote it up in full this week. Read it <a href="https://www.usequestrianopen.org/stories/the-tamie-smith-season-so-far" target="_blank" rel="noopener">here.</a></p>
<p class="font-claude-response-body break-words whitespace-normal leading-[1.7]"><a href="https://www.usequestrianopen.org/categories/eventing" target="_blank" rel="noopener"><img src="https://usef-admin.fly.dev/assets/254e09dd-d92e-4194-986b-baf0dbd8460b.png?width=1080&amp;height=158" alt="Read More Eventing"></a></p>
<h2 data-path-to-node="4">&nbsp;</h2>
<h2 data-path-to-node="4"><strong data-path-to-node="4" data-index-in-node="0">Stay in the loop with The Open Weekly</strong></h2>
<p data-path-to-node="5">Thanks for joining us for this week's edition! Don't forget: a fresh update of&nbsp;<strong data-path-to-node="5" data-index-in-node="72"><a href="https://www.usequestrianopen.org/categories/the-open-weekly" target="_blank" rel="noopener">The Open Weekly</a>&nbsp;</strong>drops on the site&nbsp;<strong data-path-to-node="5" data-index-in-node="124">every Tuesday.</strong></p>
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<h3><em><strong>The Mission of the Open&nbsp;</strong></em></h3>
<p><em>The mission of the US Equestrian Open is to grow and foster a deeper connection to equestrian sport by delivering a premier, unified championship series that engages a broader fanbase through top-level competition, storytelling, and a dynamic, entertaining experience.</em></p>

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