156 events
Trail running races 2025 - 2026: half marathons in the United Kingdom
Summertime Windsor Trail Run
Clewer Village, United Kingdom
07 Sep, 2025 (Sun)
Trail running
21.1 km
Machlud Trail Race
Cilcain, United Kingdom
13 Sep, 2025 (Sat)
Trail running
21.1 km
Dunstable Downs Challenge
Dunstable, United Kingdom
14 Sep, 2025 (Sun)
Trail running
21.097 km
Glencoe Marathon Gathering
Glencoe, United Kingdom
14 Sep, 2025 (Sun)
Trail running
21.097 km
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See moreThe Lyon Equipment Lake District Mountain Trial
Bassenthwaite, United Kingdom
14 Sep, 2025 (Sun)
Trail running
21 km
Causeway Coast Marathon and Ultra Marathon
Bushmills, United Kingdom
20 Sep, 2025 (Sat)
Trail running
21.097 km
Punk Panther Yorkshire Reservoir Dogs
City of Leeds, United Kingdom
27 Sep, 2025 (Sat)
Trail running
20.9 km
The One on the Trail - Marlow - September
Bisham, United Kingdom
28 Sep, 2025 (Sun)
Trail running
21.1 km
Forest of Dean Rotary Autumn Half
Forest of Dean, United Kingdom
28 Sep, 2025 (Sun)
Trail running
21.097 km
Hever Castle Multisport Festival
Sevenoaks, United Kingdom
28 Sep, 2025 (Sun)
Trail running
21.1 km
This event also offers:Duathlon, Triathlon, Aquathlon, Swimming, Aquabike