Course
Marathon42.2 km
Half Marathon21.1 km
10 km10 km
Key dates
- ★Race dayMay 2027 · date to be announced
Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.
About
The Marathon de la Mer offers 10K, half marathon and marathon distances in the heart of the Côte d'Opale, in a festive, friendly seaside atmosphere in Boulogne-sur-Mer.
Your next race, seen from above.
Save Marathon De La Mer to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Save Marathon De La Mer to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.