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Running Calendar South East (England) 2025-2026

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Explore the best running races in South East (England) for 2025-2026! Our updated list features 585 exciting races across the region. Find your next race in South East (England) below and join the running community at these great events!

Half Marathons Marathons Trail Runs Triathlons
November 2025
Nov
29
Sa

Box Hill Vertical KM
Trail Run 13 mi
Nov
29
Sa

Witterings Beach Run
Trail Run 5 km 10 km 15 km
Nov
29
Sa

Riverside Marathon & Half Marathon
Trail Run Half Marathon Marathon
Nov
29
Sa

The Maverick Dark Oxfordshire Trail
Trail Run
Nov
29
Sa

The Wallop
Trail Run Half Marathon
Nov
30
Su

Surrey Hills Half Marathon
Trail Run 13 mi
Nov
30
Su

Running Tribe Races
Trail Run 7 km 10 km ... 30 mi 40 mi
Nov
30
Su

Phoenix Running - Walton-on-Thames
Trail Run 5 km 10 km ... Marathon 7 hr
December 2025
Dec
4
Th

Wessex Night League - Brockenhurst
Trail Run 60 min
Dec
4
Th

KNC9 - Maidstone East Street O
Trail Run 60 min
Dec
5-7
Fr - Su

Gremlins & Deja Vu - Marathon & Half Marathon
Half Marathon Marathon
Dec
5
Fr

Winter on the Downs
Trail Run 50 km 55 mi 100 mi
Dec
5
Fr

Saturn 7 Hour Time Challenge - Staines-upon-Thames
3 km 7 km ... Marathon 50 km
Dec
5
Fr

Phoenix Fridays
Backyard Ultra 5 km
Dec
5
Fr

The Christmas Jumper Jaunt
3 km 5 km ... Marathon 50 km
Dec
6
Sa

Sussex Downs Trail Run
Trail Run 12 km Half Marathon
Dec
6
Sa

Saturn Running - Staines-upon-Thames
3 km 5 km ... Marathon 50 km
Dec
6
Sa

Cowdray Winter Night Run
Trail Run 5 km 10 km
Dec
6
Sa

Santa Dash Brighton
5 km
Dec
6
Sa

Bolderwood & Mark Ash Wood Local
Trail Run 3 km 6 km