OCC by UTMB (Orsieres-Champex-Chamonix)

Lottery + qualifier

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

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.

Go to official application page

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Exact dates, the official application link, and calendar sync are free once you create an account — no credit card required.

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.

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