Chamonix (FR) – Courmayeur (IT) – Switzerland, Mont-Blanc massif, France · Trail run · Expected: August 2027 (not yet announced)
The lottery for 2027 isn't open yet (expected: January 2027, not yet announced). For 2026, the ballot opened on 8 Jan 2026.
Last verified 30 Sept 2026, 19:12 UTC ·
Every way in we know of for 2027, most actionable first. Times are shown in local time at the event (Europe/Paris) and in yours.
Lottery / ballot
Not yet announced for 2027. Previous cycle required a valid UTMB Index in the matching category and at least one Running Stone earned in the prior 24 months.
Qualifier early access
For 2026, runners with priority access got a direct registration link by email ahead of the lottery. 2027 eligibility and dates not yet announced.
One email when something changes — openings, sell-outs, lotteries, transfers — plus reminders before announced opening times.
A live calendar feed of this event's registration moments (openings, closings, lottery results) — not just race day. Subscribing keeps it updated.
| Edition | Entries opened | Sold out? | Still possible after | Source |
|---|---|---|---|---|
| 2026 | 8 Jan 2026Lottery | Unknown | —Lottery pre-registration reportedly ran 8–19 Jan 2026 with results on 22 Jan (media source). Priority-access holders could register from 6 Jan to 19 Jan. TDS and youth races later showed as sold out. | Sources: [1][3][4][5] |
Week of trail races around Mont Blanc (UTMB, CCC, OCC and others). The three flagship races are entered via a pre-registration lottery weighted by Running Stones, with a valid UTMB Index required.
French Alps (Megève to Chambéry in 2027) · Road sportive
Next key date
Not announced yet
Event: Tue 17 Aug 2027
French mountains (route varies yearly) · Road sportive
Early access opens
Thu 22 Oct 2026
Event: Sun 18 Jul 2027 (provisional)
Oisans, Isère (French Alps) · Gran fondo
Registration opens
Expected: October 2026 (not yet announced)
Event: Sun 27 Jun 2027 (provisional)
Unofficial page. bibalerts is independent and not affiliated with the organizers of UTMB Mont-Blanc; the event name is used only to identify it. Details can change at short notice — always confirm on the official site before you pay. Last verified 30 Sept 2026, 19:12 UTC. .