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Trail Running Calendar South East (England) 2025-2026

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Monthly updates for South East (England)

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Explore the best trail runs in South East (England) for 2025-2026! Our updated list features 256 exciting races across the region. Find your next race in South East (England) below and join the running community at these great events!

August 2026
Aug
7
Fr

The MTC Oxford Ultra

Trail Run 49 mi
Aug
7
Fr

Saturn 7 Hour Time Challenge - Wraysbury

Trail Run 3 km 7 km ... Marathon 50 km
Aug
8
Sa

The MTC Windsor Ultra

Trail Run 47 mi
Aug
8
Sa

North Downs Way 100

Trail Run 103 mi
Aug
8
Sa

Phoenix Running - Westhumble

Trail Run 5 km 10 km Half Marathon Marathon
Aug
9
Su

Mount Ephraim 10K

Trail Run 10 km
Aug
14
Fr

Saturn 7 Hour Time Challenge - Wraysbury

Trail Run 3 km 7 km ... 49 km 50 km
Aug
16
Su

Henfield Half Marathon

Trail Run Half Marathon
Aug
23
Su

The Big Pilgrimage

Trail Run 15 mi Marathon
Aug
30
Su

Windsor Trail Run Half Marathon

Trail Run 10 km Half Marathon
Aug
30
Su

Woldingham Marathon

Trail Run
September 2026
Sep
5
Sa

Henley River Half Marathon

Trail Run 10 km Half Marathon
Sep
5-6
Sa - Su

South Coast Challenge

Trail Run 25 km 43 km 57 km 100 km
Sep
5
Sa

Phoenix Running - Walton-on-Thames

Trail Run Half Marathon Marathon
Sep
8
Tu

Silent Pool 10km

Trail Run 10 km
Sep
12
Sa

Bewl Water Autumn

Trail Run 10 km 13 mi 27 mi 50 km
Sep
12
Sa

The Shere 42k Multi Terrain Event

Trail Run 10 km Half Marathon Marathon
Sep
13
Su

The Farnham Pilgrim Marathon

Trail Run Half Marathon
Sep
13
Su

Rye Ancient Trails 30K & 15K

Trail Run 15 km 30 km
Sep
13
Su

Alf Shrubb Memorial 10k

Trail Run 5 km 10 km