In short
2 fixed-date openings in December: 2 lotteries (Leadville Trail 100 Run · Valencia Marathon). Plus 5 monthly windows and 3 rolling windows (set by your start date).
What opens on a fixed date in December? earliest first
Edge colour: type of opening Lotteries and ballotsFixed-date bookings
- 1Dec.Tue.Leadville Trail 100 RunLottery opens, at 10:00 a.m., Denver time, closes December 15Colorado, United States · Ultra-trail · Lotteryin 29 days
- 16Dec.Wed.Valencia MarathonLottery opensValencia, Spain · Marathons and halve · Lotteryin 44 daysestimated
Which lotteries come back every month, including December? December 2026 window
- 1Dec.Tue.HallasanBooking opens for the summit access slotJeju, South Korea · Hike · Bookingpress
- 1Dec.Tue.Phantom RanchLottery opens for the beds at the lodge on the canyon floor, closes December 25Grand Canyon, United States · Hike · Permit lotteryestimated
- 1Dec.Tue.The SubwayLottery opens for the canyon permit, closes December 25Zion, United States · Hike · Permit lottery
- 1Dec.Tue.The WaveLottery opens for the area permit, closes December 30Arizona, United States · Hike · Permit lottery
- 16Dec.Wed.Grand Canyon backcountryLottery opens for the overnight permit, closes January 1Arizona, United States · Hike · Permit lottery
Which bookings depend on your start date? rolling windows
- 24weeksJohn Muir TrailBookable in December for a start date from May 18 to June 17, 2027Yosemite, United States · rolling window, 24 weeks before your start date
- 90daysKalalau TrailBookable in December for a start date from March 1 to March 31, 2027Kauai, United States · rolling window, 90 days before your start date
- 30daysYushan, Paiyun LodgeBookable in December for a start date from December 31 to January 30, 2027Taiwan · rolling window, 30 days before your start date
Don't miss anything in December
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 opens in December?
2 fixed-date openings: Leadville Trail 100 Run (December 1, 2026); Valencia Marathon (December 16, 2026).
What is the first opening in December?
Leadville Trail 100 Run: lottery opens on Tuesday, December 1, 2026.
Which lotteries run in December?
Leadville Trail 100 Run: December 1 to December 15, 2026; Valencia Marathon: December 16, 2026.
Do you need to log in at a set time?
Leadville Trail 100 Run: 10:00 a.m., Denver time. For a lottery, the time makes no difference to your chances.
Which lotteries come back every month, including December?
Hallasan; Phantom Ranch; The Subway; The Wave; Grand Canyon backcountry.