In short
13 races: 11 lotteries; 2 registrations. Next opening: Mont Blanc Marathon, November 12, 2026. Also: 1 can be booked all year, 1 already passed this season.
Edge colour: type of opening Lotteries and ballotsFixed-date bookings
Upcoming openings soonest first
November 2026
- 1Nov.Sun.Western States 100Lottery opens, closes November 21California, United States · Ultra-trail · LotteryOpen
- 12Nov.Thu.Mont Blanc MarathonLottery opens, at 10:00 a.m., Paris time, closes November 19Chamonix, France · Ultra-trail · Lotteryin 10 daysestimated
December 2026
- 1Dec.Tue.Leadville Trail 100 RunLottery opens, at 10:00 a.m., Denver time, closes December 15Colorado, United States · Ultra-trail · Lotteryin 29 days
January 2027
- 2Jan.Sat.Badwater 135Lottery opens, closes January 20California, United States · Ultra-trail · Lotteryin 61 days
- 7Jan.Thu.UTMB Mont-BlancLottery opens, at 11:00 a.m., Paris time, closes January 18Chamonix, France · Ultra-trail · Lotteryin 66 daysestimated
- 11Jan.Mon.Zegama-AizkorriLottery opens, at 12:00 p.m., Madrid time, closes January 22Basque Country, Spain · Ultra-trail · Lotteryin 70 dayspress
- 18Jan.Mon.Festival des TempliersRegistration opensMillau, France · Ultra-trail · Registrationin 77 daysestimated
- 20Jan.Wed.Grand Raid, Diagonale des FousLottery opens, at 2:00 p.m., Réunion time, closes March 6Réunion Island, France · Ultra-trail · Lotteryin 79 daysestimated
February 2027
- 1Feb.Mon.Tor des GéantsLottery opens, closes February 14Aosta Valley, Italy · Ultra-trail · Lotteryin 91 daysestimated
April 2027
- 1AprilThu.Sierre-ZinalLottery opens, at 12:00 p.m., Zurich timeValais, Switzerland · Ultra-trail · Lotteryin 150 daysestimated
September 2027
- 6Sept.Mon.Lavaredo Ultra TrailLottery opens, at 2:00 p.m., Rome time, closes September 13Dolomites, Italy · Ultra-trail · Lotteryin 308 daysestimated
All year round no single opening date
- ∞all yearMarathon des SablesBookable all year, no single opening dateMorocco · Ultra-trail · Registration
Already passed this season next dates come with the next edition
- 1Oct.Thu.Hardrock 100Lottery opens, closes October 14Colorado, United States · Ultra-trail · LotteryClosed
Don't miss an opening
Add every opening on this page to your calendar: your phone reminds you 1 week before and the day before each one.
Frequently asked questions
What is the next opening?
Mont Blanc Marathon: lottery opens on Thursday, November 12, 2026.
Which ones use a lottery?
Hardrock 100; Western States 100; Mont Blanc Marathon; Leadville Trail 100 Run; Badwater 135; UTMB Mont-Blanc; Zegama-Aizkorri; Grand Raid, Diagonale des Fous; Tor des Géants; Sierre-Zinal; Lavaredo Ultra Trail.
Which ones can be booked all year?
Marathon des Sables.
See also
Sources and checks. Each date comes from its guide, which gives its source and how reliable it is. “Estimated”: worked out from previous years, to be confirmed. “Press”: announced by the specialist press. Page updated on October 27, 2026.