Date
Thu, 24 Jun 2027
Start
06:00
Venue
Multiple starts around the Golfe du Morbihan
Multiple starts around the Golfe du Morbihan
Countdown
June
A 100 km point-to-point run that starts at dawn and finishes in Vannes harbour. Fairly flat for the distance, with a boat crossing to break it up.
Key facts
0120-hour cut-off
02Includes a boat crossing
Create a free training plan for the L'Ultra Marin® 100 km
7-day free trial, no card required
The course
The route
Multiple starts around the Golfe du Morbihan
Distance100km
Total climb810m
StartElevation
0 kmDrag map to rotate95.5 km
2025 results
Who finishes, and how
#RiderTimeAvg speed
01Catherine YOUNG08:37:5411.6 km/h
02Elodie LE POETVIN09:19:2810.7 km/h
03Ludivine BALLUAIS-DELAUNAY09:20:5010.7 km/h
221
Women finishers
14:56:39
Median time
6.7 km/h
Median speed
Women · 2025 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
OrganiserL'Ultra Marin® Organisation (SAS)
Websiteultra-marin.fr
Instagram@ultramarin_morbihan
Running since2005
Training
Training for the L'Ultra Marin® 100 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a L'Ultra Marin® 100 km plan targets
Typical sessions
100 km with 810 m of climbing
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Back-to-back weekend runs for fatigue resistance
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your L'Ultra Marin® 100 km plan.
7-day free trial, no card required.
Other races at L'Ultra Marin®
More events in June in France
Ultr'ArverneExpected Early June 2027 · Ambert→La Chaussée des GéantsSat, 5 Jun 2027 · Thueyts village→La Route de Bourgogne avec Claudio ChiappucciSat, 5 Jun 2027 · Arnay-le-Duc→La Transju’TrailsSat, 5 Jun 2027 · Les Rousses→La Traversée des DentellesSat, 5 Jun 2027 · Gigondas→Trail du PoulduExpected Early June 2027 · Clohars-Carnoët→
