Semi de la Baie
Race snapshot
Race Day
52–68°F · Feels cool
Total elevation gain
Relatively flat course · Net elevation change +0 ft
Participants
Medium-sized race
Crowd Rating
Good crowd energy
The Lowdown
Semi de la Baie is a road half marathon in Pontorson, on the edge of the Mont-Saint-Michel bay, organised by the club Courir en Baie Pontorson. It starts and finishes at the town hall square and heads out toward the Barrage du Mont, with views of the island and its abbey. It can be run solo or as a duo, with two runners sharing the 21.1 km. The 2026 edition, the fourth, took place on 31 May and 1,898 runners appear in the results. The next edition is expected on the last Sunday of May 2027, and registration runs through Nextrun.
Questions about the Semi de la Baie 2027
When is the Semi de la Baie 2027?
Sunday, May 30, 2027.
What time does the Semi de la Baie start?
The race starts at 9:00 AM, local time.
How do I enter the Semi de la Baie 2027?
Registration has not opened yet. Ways in: Online registration through Nextrun.
What is the Semi de la Baie course like?
40 m of total elevation gain. It passes Barrage du Mont.
What is the weather like at the Semi de la Baie?
Race-day temperatures are usually 11–20 °C (52–68 °F).
Where are the Semi de la Baie results?
The official 2026 results are on the organizer's site. Official results
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