SEMI-MARATHON
Saint-Omer Longuenesse
Distance
21.45 Km
Ascent +
71 m
Descent -
43 m
Est. duration
2h42
Running
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Summary

Discover this 21.4 km running route that starts in Saint-Omer and ends in Longuenesse. This route includes 18.3 km of roads and 2.6 km of cycle paths. Allow about 2 hours and 42 minutes to complete this route.
Route creation date: Jan 25, 2026.
Last update of the route sheet: 3 weeks ago.
Route ID: 23243658
Language
🇬🇧 English
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