Haiden Deegan will not represent Team USA at the 2026 Motocross of Nations in Ernée, France, after Monster Energy Yamaha Star Racing and Yamaha Motor USA decided to withdraw their 250cc and 450cc programs from the prestigious international event.
The decision removes Deegan and teammate Justin Cooper from consideration for the American team, despite Deegan emerging as one of the leading candidates following an impressive first season competing on the YZ450F.
Why Is Haiden Deegan Missing the 2026 Motocross of Nations?
Deegan’s absence is not being attributed to a personal decision by the rider. Instead, Monster Energy Yamaha Star Racing and Yamaha Motor USA have collectively decided not to participate in the 2026 Motocross of Nations.
Yamaha cited the demanding SuperMotocross schedule, travel requirements, operational expenses and the need to give its riders and team personnel additional time to recover before preparing for the 2027 season.
The decision means Star Racing will not send either its 250cc or 450cc program to Ernée.
Yamaha Explains Its MXoN Decision
Yamaha Racing Manager Jim Roach said the organization made the decision after discussions between the team and Yamaha management.
The team wants to prioritize rider health and safety while also allowing its personnel time to recover following a lengthy 2026 campaign.
Another major consideration is the logistics involved in preparing American race bikes for an international event. The motorcycles must be converted to meet FIM specifications, while teams also have to organize spare parts, personnel, testing, transportation and other equipment.
That process becomes especially difficult because the SuperMotocross season continues deep into September.
Deegan Was a Strong Team USA Candidate
Before Yamaha’s announcement, Haiden Deegan was widely viewed as a potential Team USA selection.
The young Star Racing rider has quickly established himself as a major contender after moving into the 450cc class. His results have kept him firmly in the conversation for international competition, making his absence a significant development for the American team.
Deegan has also been a regular podium threat during the 2026 season, adding further interest to what could have been his opportunity to compete against leading European and international riders at Ernée.
For motocross fans, a Deegan appearance at the Motocross of Nations would have provided an intriguing matchup between one of America’s fastest young riders and the world’s top MXGP competitors.
Justin Cooper Also Removed From Consideration
Deegan is not the only rider affected.
Justin Cooper, another Monster Energy Yamaha Star Racing rider, is also out of consideration because the entire Star Racing program has withdrawn from the event.
That means Team USA’s selection process must now move forward without either of Yamaha’s factory riders.
The final American lineup remains a major storyline as the AMA works to determine the replacement options for the 2026 Motocross of Nations.
The Cost and Logistics Behind the Decision
The MXoN is much more complicated for a factory team than simply sending riders overseas for one race.
Star Racing would need to prepare motorcycles specifically for the European event, arrange transportation, send mechanics and support staff, provide spare equipment and account for the technical differences between American and FIM regulations.
The timing also creates a major challenge.
The American SuperMotocross calendar runs through the end of September, while the 2026 Motocross of Nations is scheduled for October 4 in France. Equipment for the European race needs to be prepared and shipped before the American season has completely finished.
That can force teams to operate two major racing programs at the same time.
Why the Decision Matters for the Future
The withdrawal also highlights a broader issue surrounding the modern motocross calendar.
American riders now compete through Supercross, Pro Motocross and the SuperMotocross playoffs before heading into the Motocross of Nations. With the domestic season stretching later into the year, teams have less time to prepare for an overseas event.
The 2026 situation could therefore become part of a larger conversation about how the SMX schedule and MXoN calendar fit together.
If the American season continues to run into late September, factory teams could face similar logistical and financial decisions in future years.
What Happens to Team USA Now?
Team USA must now find alternatives to replace the Star Racing riders.
Names such as Levi Kitchen, Garrett Marchbanks and Chance Hymas have been mentioned in discussions surrounding possible combinations, although the final lineup was not confirmed in the information provided.
The American team will still have plenty of talent available, but losing Deegan is significant from both a competitive and fan-interest perspective.
His first 450cc campaign has made him one of the most closely watched young riders in American motocross, and his potential battle against Europe’s best at Ernée would have been one of the marquee stories of the event.
Haiden Deegan’s 2026 MXoN Status
The key point is that Deegan’s absence should not be interpreted as the rider personally turning down Team USA.
The decision was made by Monster Energy Yamaha Star Racing and Yamaha Motor USA, which withdrew the entire program from consideration for the 2026 Motocross of Nations.
As a result, Deegan will not race for Team USA at Ernée unless circumstances surrounding the team’s decision change.
For now, American motocross fans will have to wait for another opportunity to see Deegan compete on the international stage.
Final Takeaway
Haiden Deegan is out of the 2026 Motocross of Nations after Monster Energy Yamaha Star Racing and Yamaha Motor USA withdrew their factory 250cc and 450cc programs from the event.
The decision is based on the demanding SuperMotocross schedule, rider recovery, travel requirements, technical preparation and the substantial cost of sending a factory operation to France.
While Deegan remains one of America’s most promising motocross stars, his expected MXoN opportunity will have to wait. The focus now shifts to Team USA’s replacement selections and whether the crowded American racing calendar will continue creating challenges for future Motocross of Nations appearances.
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