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Marathon calendar near Windsor 2025-2026

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Explore the top marathons near Windsor for 2025-2026! We've gathered 45 exciting races in the area. Check out our detailed list below to find your next local race.

November 2025
Nov
16
Sunday

Saturn Running - Englefield Green

5 km 7 km ... 42 km 50 km
Nov
29
Saturday

Riverside Marathon & Half Marathon

Trail Run 13 mi 26 mi
December 2025
Dec
5
Friday

Saturn Running - Staines-upon-Thames

5 km 7 km ... 42 km 50 km
Dec
21
Sunday

Saturn Running - Staines-upon-Thames

5 km 4 mi ... 26 mi 50 km
April 2026
Apr
2
Thursday

Saturn Running - Staines-upon-Thames

5 km 7 km ... 26 mi 50 km
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