400 ULTRA 2027
Unsupported 400 km loop from Mostek. Carry everything yourself, no outside help.
400 Ultra 2027 400 km runs from 21 May 2027 to 23 May 2027, starting in Mostek, Czechia. The route is 400 km with 9,000 m of climbing. Time limit: 60 h. Support: self-supported.
- Distance · 400 km
- 400km
- Climbing
- 9,000m
Entry is handled by the organizer. Confirm places, prices and requirements before paying.
2027 edition / 400 km
- Climbing
- 9,000m
- Time limit
- 60hours
- End date
- 23 May 2027
- Support
- Self-supported
- Surface
- Gravel
Training plan · MeepMeep
Train for the start line
MeepMeep, Ultracycling Hub’s own training app, builds a free indoor plan that counts down to this start, within the hours you have each week. It runs in your browser, with no account.
- Start
- 21 May 2027
- Distance
- 400km
- Climbing
- 9,000m
Opens meepmeep.cc with these facts filled in. Check them against the organizer before you plan. How MeepMeep works with the Hub →
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Follow this event
2027 (400 km) starts on 21 May 2027. We’ll tell you if a published fact changes, and when it’s on course.
- Entry opening and closing reminders
- Changes to dates, route and fees, a day after the last edit
- New editions, and the start
Sources & checks
Last checked . Event details can still change.
Status may be out of date. Check the organizer for the latest information.
Verified by the Hub, 15 Oct 2026. We compared this listing with its sources on that date. Not a recommendation.
Verification details
Still being verified
Entry fee, Entry closing date. Suggest a correction
Sources · 2
Organizer website
Source lists the 2027 400 km edition; start 2027-05-21; distance 400 km; climbing 9000 m; time limit 60 h.
Checked 15 Oct 2026
Open sourceSomething changed?
Suggest a correction → Are you the organizer? Confirm your race →Similar events
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