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Marathon Calendar near Sunbury-on-Thames 2025-2026

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Explore the top marathons near Sunbury-on-Thames for 2025-2026! We've gathered 105 exciting races in the area. Check out our detailed list below to find your next local race.

July 2026
Jul
5
Su

Saturn Running - Staines-upon-Thames
3 km 7 km ... Marathon 50 km
Jul
17-19
Fr - Su

BigHeat Trails (FIRE)
Trail Run 12 km 16 mi Marathon 50 km
Jul
24
Fr

Saturn Running - Midweek Medal Madness Run
3 km 7 km ... 49 km 50 km
Jul
24
Fr

Saturn Running - Midweek Chasing Numbers
3 km 5 km ... 50 km 7 hr
August 2026
Aug
2
Su

Vanguard Way Marathon
Trail Run 13 mi 26 mi
Aug
7
Fr

Saturn 7 Hour Time Challenge - Wraysbury
Trail Run 3 km 7 km ... Marathon 50 km
Aug
7
Fr

Saturn Running - Midweek Chasing Numbers
3 km 5 km ... 50 km 7 hr
Aug
8
Sa

Phoenix Running - Westhumble
Trail Run 5 km 10 km Half Marathon Marathon
Aug
9
Su

Saturn Running - Staines-upon-Thames
3 km 7 km ... Marathon 50 km
Aug
9
Su

Saturn 7 Hour Time Challenge - Staines-upon-Thames
3 km 3 mi ... 50 km 7 hr
Aug
9
Su

Thames Meander Summer
Trail Run 10 km 13 mi 26 mi
Aug
14
Fr

Saturn Running - Midweek Medal Madness Run
3 km 7 km ... Marathon 50 km
Aug
14
Fr

Saturn 7 Hour Time Challenge - Wraysbury
Trail Run 3 km 7 km ... 49 km 50 km
Aug
14
Fr

Saturn Running - Midweek Chasing Numbers
3 km 5 km ... 50 km 7 hr
Aug
30
Su

Woldingham Marathon
Trail Run 13 mi 26 mi
September 2026
Sep
5
Sa

Phoenix - Summer Marathon & Half Marathon
Half Marathon Marathon
Sep
5
Sa

Phoenix Running - Walton-on-Thames
Trail Run Half Marathon Marathon
Sep
12
Sa

The Shere 42k Multi Terrain Event
Trail Run 10 km Half Marathon Marathon
October 2026
Oct
4
Su

Thames Meander Autumn
Trail Run 10 km Half Marathon Marathon
Oct
24
Sa

RunThrough - Battersea Park
Half Marathon Marathon