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OCC by UTMB (Orsieres-Champex-Chamonix)

Orsieres, Switzerland to Chamonix, France · 35 mi

Lottery window
Dates TBD

Same Running Stones lottery mechanism as CCC/UTMB: pre-registration typically early-to-mid January, draw shortly after

Verified July 2026, same official source as CCC. Note: at 56km/35mi this is on the short end of 'ultramarathon' (just above marathon distance) — included since the lottery mechanism is identical and clearly confirmed.

Estimated — verify before relying on it

Key info
Official website
35 miles
Lottery with qualifier

A ~56km trail race from Switzerland into Chamonix, the shortest of the three official UTMB World Series Finals races that use the Running Stones lottery.

My status

Requires a valid UTMB Index and at least one active Running Stone earned from finishing a qualifying UTMB World Series Event or Major.

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Go to official application page

Race Agent is an independent, unofficial tracker and is not affiliated with OCC by UTMB (Orsieres-Champex-Chamonix) or its organizers. Lottery dates change without notice — always verify on the official race site before relying on this information.