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Running Calendar near Alphen aan den Rijn 2025-2026

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Explore the top running races near Alphen aan den Rijn for 2025-2026! We've gathered 117 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
June 2026
Jun
28
Sunday

Buytensportdagloop

5 km 15 km
Jun
28
Sunday

Dobbeloop Nootdorp

July 2026
Jul
4
Saturday

Kadeloop Schipluiden

5 km 12 km
Jul
5
Sunday

10 van Noordwijk

Jul
11
Saturday

Dutch Triathlon Series - Haarlemmermeer

Triathlon
Dutch Triathlon Series - Haarlemmermeer
Jul
30
Thursday

Kooyman Polderloop

4 km 10 km
Kooyman Polderloop
August 2026
Aug
22
Saturday

Dutch Triathlon Series - Ouderkerk

Triathlon
Dutch Triathlon Series - Ouderkerk
Aug
30
Sunday

Zwemloop Wassenaar

Trail Run Aquathlon 5 km 10 km
September 2026
Sep
6
Sunday

Tikkende Klok Challenge

Backyard Ultra
Tikkende Klok Challenge
Sep
26
Saturday

Halve van Katwijk

5 km 10 km 15 km Half Marathon
Sep
27
Sunday

Geuzenloop Zoetermeer

25 km
Sep
27
Sunday

Halve van Haarlem

5 km 10 km Half Marathon
Halve van Haarlem
October 2026
Oct
3
Saturday

Rottemerenloop Bleiswijk

11 km Half Marathon
Oct
4
Sunday

Harbour Run Rotterdam

Obstacle Run 6 km 10 km
Harbour Run Rotterdam
Oct
17
Saturday

Jan Koudstaal Dijkloop - Schoonhoven

6 km 10 km Half Marathon
November 2026
Nov
21
Saturday

Hollands Duin Trail

Trail Run 6 km 10 km Half Marathon 30 km
December 2026
Dec
19
Saturday

Hollands Duin Ultra

Trail Run
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