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Marathon Calendar near Henley-on-Thames 2025-2026

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Explore the top marathons near Henley-on-Thames for 2025-2026! We've gathered 82 exciting races in the area. Check out our detailed list below to find your next local race.

December 2025
Dec
5
Fr

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Dec
5
Fr

The Christmas Jumper Jaunt

3 km 5 km ... Marathon 50 km
Dec
6
Sa

Saturn Running - Staines-upon-Thames

3 km 5 km ... Marathon 50 km
Dec
6
Sa

A Christmas Carol Bobble Hat Run

3 km 5 km ... Marathon 50 km
Dec
14
Su

Running Tribe Races

Trail Run 7 km 10 km ... 30 mi 40 mi
Dec
25
Th

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Dec
25
Th

Saturn Running - Egham

Trail Run 3 km 5 km ... Marathon 50 km
Dec
28
Su

Phoenix - Year End Marathon & Half Marathon

Half Marathon Marathon
January 2026
Jan
1
Th

Saturn Running - Staines-upon-Thames

3 km 5 km ... Marathon 50 km
Jan
1
Th

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... Marathon 50 km
Jan
9
Fr

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... 50 km 7 hr
Jan
9
Fr

Saturn Running - Midweek Chasing Numbers

3 km 5 km ... 50 km 7 hr
Jan
9
Fr

Phoenix Fridays

Backyard Ultra 5 km 10 km Half Marathon Marathon
Jan
10
Sa

Saturn Running - Staines-upon-Thames

3 km 5 km ... Marathon 50 km
Jan
17
Sa

Phoenix Running - Walton-on-Thames

Trail Run 5 km 10 km Half Marathon Marathon
Jan
23
Fr

Phoenix Fridays

Backyard Ultra 5 km 10 km Half Marathon Marathon
Jan
24
Sa

Saturn Running - Staines-upon-Thames

3 km 5 km ... Marathon 50 km
Jan
24
Sa

Running Tribe Races

Trail Run 7 km 10 km ... 30 mi 40 mi
February 2026
Feb
6
Fr

Saturn 7 Hour Time Challenge - Staines-upon-Thames

3 km 7 km ... 50 km 7 hr
Feb
6
Fr

Saturn Running - Midweek Chasing Numbers

3 km 5 km ... 50 km 7 hr