Half marathons in San Sebastián

11 upcoming half marathons in San Sebastián. Filter by date, exact distance, or elevation.

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This calendar in numbers

This calendar currently lists 11 upcoming events, from Oct 4, 2026 to Nov 28, 2027. October is the busiest month, with 5 events scheduled. Events are spread across 8 different locations; Donostia-San Sebastián hosts the most (4). Course distances range from 15 km to 21.1 km.