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Marathon Calendar near Alphen aan den Rijn 2025-2026

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Explore the top marathons near Alphen aan den Rijn for 2025-2026! We've gathered 8 exciting races in the area. Check out our detailed list below to find your next local race.

September 2025
Sep
14
Sunday

Tikkende Klok Challenge

Backyard Ultra Marathon 84 km
Sep
28
Sunday

Hap Trap Run

Marathon
November 2025
Nov
16
Sunday

Ronde Venen Marathon

10 km Marathon
March 2026
Mar
15
Sunday

Lentemarathon Amstelveen

5 km 10 km Half Marathon Marathon
Mar
21
Saturday

Love it Trail it - Run the Tops

Trail Run 10 km Half Marathon Marathon
Love it Trail it - Run the Tops
April 2026
Apr
11-12
Sa - Su

Marathon Rotterdam

3 km 4 km ... 15 km Marathon
May 2026
May
9-10
Sa - Su

Leiden Marathon

5 km 10 km Half Marathon Marathon
June 2026
Jun
12-14
Fr - Su

Mud Masters - Haarlemmermeer

Obstacle Run 3 km 5 km ... 16 km Marathon
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