Course
Half Marathon21.1 km
10 km10 km
5 km5 km
1.28 km1.3 km
Key dates
- ★Race dayOctober 2027 · date to be announced
Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.
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Save Ronde Du Lac 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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Le 1789km De Crosne
Distance of 17.89km deliberately echoes the year 1789
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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.