OCC (UTMB week)2027AUG2027Race day
Trail ultra
OCC (UTMB week)
Orsières to Chamonix · Aug 2027
Lottery: expected January 2027.
Free. Get its checklist, entry dates and reminders in the My Dream Race app.
How to get in
Any Index category accepted, including 20K. Running Stones needed.
Race facts
- Race date
- Aug 2027
- Location
- Orsières to Chamonix
Entry windows
- LotteryExpected January 2027. Last year: Jan 8–19, 2026.UTMB, CCC, OCC and TDS lotteries.
Never miss the window
Track OCC (UTMB week) in My Dream Race to see its entry dates on your season timeline, tick off what it takes, and add the deadline to your calendar.
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