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Marathon Calendar near Amersham 2025-2026

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Explore the top marathons near Amersham for 2025-2026! We've gathered 68 exciting races in the area. Check out our detailed list below to find your next local race.

February 2026
Feb
21
Saturday

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Feb
21
Saturday

Saturn Running - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Feb
21
Saturday

Magna Carta

10 km Half Marathon Marathon
Feb
28
Saturday

Saturn Running - Staines-upon-Thames

3 km 4 mi ... 49 km 50 km
March 2026
Mar
6
Friday

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... 50 km 7 hr
Mar
9-15
Mo - Su

Enigma Week at the Knees

26 mi
Mar
14
Saturday

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Mar
21
Saturday

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
April 2026
Apr
2
Thursday

Saturn Running - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Apr
2
Thursday

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Apr
2
Thursday

Saturn Running - Englefield Green

3 km 7 km ... Marathon 50 km
Apr
3-4
Fr - Sa

The Enigma Easter Series

Half Marathon Marathon
Apr
3
Friday

Saturn 7 Hour Time Challenge - Wraysbury

Trail Run 3 km 7 km ... Marathon 50 km
Apr
11
Saturday

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Apr
11
Saturday

Saturn Running - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Apr
17
Friday

Saturn Running - Midweek Medal Madness Run

3 km 7 km ... Marathon 50 km
Apr
18
Saturday

Saturn Running - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Apr
26
Sunday

TCS London Marathon

Marathon
May 2026
May
1
Friday

Saturn Running - Midweek Chasing Numbers

3 km 4 mi ... Marathon 50 km
May
1
Friday

Saturn 7 Hour Time Challenge - Wraysbury

Trail Run 3 km 7 km ... Marathon 50 km
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