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What registrations open in May 2027?

Lotteries, permits, huts and race entries opening in May 2027

1 lottery3 bookings2 registrations

Updated · Checked

Next opening 191 days Copenhagen Marathon, May 12

In short

6 fixed-date openings in May: 1 lottery (Copenhagen Marathon); 3 bookings (Milford Track · Routeburn Track · Kepler Track); 2 registrations (Barcelona Half Marathon · Göteborgsvarvet). Plus 5 monthly windows and 3 rolling windows (set by your start date).

What opens on a fixed date in May? earliest first

Edge colour: type of opening Lotteries and ballotsFixed-date bookings

  1. 12MayWed.
    Copenhagen MarathonLottery opens, at 10:00 a.m., Copenhagen time, closes June 2Copenhagen, Denmark · Marathons and halve · Lottery
    in 191 daysestimated
  2. 12MayWed.
    Milford TrackGreat Walks bookings open, at 9:30 a.m., Auckland timeNew Zealand · Hike · Booking
    in 191 daysestimated
  3. 13MayThu.
    Barcelona Half MarathonRegistration opensBarcelona, Spain · Marathons and halve · Registration
    in 192 daysestimated
  4. 14MayFri.
    Routeburn TrackGreat Walks bookings open, at 9:30 a.m., Auckland timeNew Zealand · Hike · Booking
    in 193 daysestimated
  5. 18MayTue.
    Kepler TrackGreat Walks bookings open, at 9:30 a.m., Auckland timeNew Zealand · Hike · Booking
    in 197 daysestimated
  6. 23MaySun.
    GöteborgsvarvetRegistration opensGothenburg, Sweden · Marathons and halve · Registration
    in 202 daysestimated

Which lotteries come back every month, including May? May 2027 window

  1. 1MaySat.
    HallasanBooking opens for the summit access slotJeju, South Korea · Hike · Booking
    press
  2. 1MaySat.
    Phantom RanchLottery opens for the beds at the lodge on the canyon floor, closes May 25Grand Canyon, United States · Hike · Permit lottery
    estimated
  3. 1MaySat.
    The SubwayLottery opens for the canyon permit, closes May 25Zion, United States · Hike · Permit lottery
  4. 1MaySat.
    The WaveLottery opens for the area permit, closes May 30Arizona, United States · Hike · Permit lottery
  5. 16MaySun.
    Grand Canyon backcountryLottery opens for the overnight permit, closes June 1Arizona, United States · Hike · Permit lottery

Which bookings depend on your start date? rolling windows

  1. 24weeks
    John Muir TrailBookable in May for a start date from October 16 to November 15, 2027Yosemite, United States · rolling window, 24 weeks before your start date
  2. 90days
    Kalalau TrailBookable in May for a start date from July 30 to August 29, 2027Kauai, United States · rolling window, 90 days before your start date
  3. 30days
    Yushan, Paiyun LodgeBookable in May for a start date from May 31 to June 30, 2027Taiwan · rolling window, 30 days before your start date

Don't miss anything in May

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 May?

6 fixed-date openings: Copenhagen Marathon (May 12, 2027); Milford Track (May 12, 2027); Barcelona Half Marathon (May 13, 2027); Routeburn Track (May 14, 2027); Kepler Track (May 18, 2027); Göteborgsvarvet (May 23, 2027).

What is the first opening in May?

Copenhagen Marathon: lottery opens on Wednesday, May 12, 2027.

Which lotteries run in May?

Copenhagen Marathon: May 12 to June 2, 2027.

Do you need to log in at a set time?

Copenhagen Marathon: 10:00 a.m., Copenhagen time; Milford Track: 9:30 a.m., Auckland time; Routeburn Track: 9:30 a.m., Auckland time; Kepler Track: 9:30 a.m., Auckland time. For a lottery, the time makes no difference to your chances.

Which lotteries come back every month, including May?

Hallasan; Phantom Ranch; The Subway; The Wave; Grand Canyon backcountry.

See also

What opens in April9 fixed-date openingsWhat opens in June3 fixed-date openingsHeading out in May: what to bookWhat to book, and whenWhat are my odds in a race lottery?Practical guideRecreation.gov: winning US permit lotteriesPractical guideTime zones: never miss an opening abroadPractical guide
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 November 2, 2026.