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Trail Running Calendar near Twickenham 2026-2027

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Explore the top trail runs near Twickenham for 2026-2027! We've gathered 228 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

October 2026
Scenic out and back races along the Thames Path from Petersham & Ham Sea Scouts HQ to Barnes, offered as 10 km, half marathon and marathon options with staffed checkpoints and medical cover.
Three mapped walking routes from Marlow of 25 km, 40 km and 50 km with checkpoints, time limits, mandatory kit and limited online entry.
A community organised 10 km race at Imberhorne School featuring mixed terrain, marshals, chip timing and a sustainably sourced finisher medal supporting local charities.
Lap-based timed run at Tilgate Park, Crawley offering distances from 5 km to ultra with flexible start times and a seven hour limit on a compact off-road trail.
A lap based Friday timed run on the Thames towpath offering distances from a single 3.28 mile lap up to ultra distances, with the ten pound charity entry supporting Rays of Sunshine and a special double sided medal.
A half marathon and 10K through Epping Forest, London on 10 October 2026, run on marked woodland trails with aid stations, chip timing and an eco friendly focus.
A military inspired obstacle mud run at Hever Castle on 10 October 2026 offering 3K, 6K and 12K courses, junior options, and an event village with spectator attractions.
Road and trail races in the Chiltern Hills on 11 October 2026 offering 5 km and 10 km routes with woodland paths, country lanes and notable climbs.
The Titsey Trail 10k is a community running event held on Sunday, 11th October 2026. Organized by runners for runners, it raises funds for a variety of local charities.
Community organised 5k in Aldershot on 11 October 2026 with a flat course on the Polo Fields and Basingstoke Canal towpath, chip timing and finisher medals.
A scenic approximate 15 km trail race in Tring on 11 October 2026, routed through Ashridge Estate, the Ridgeway and Pitstone Hill with water stations and finish facilities.
A lap-based out and back run along the Thames in Walton on Thames offering distances from a single 5.3 km lap up to ultra distances with a seven hour limit.
A lap based Friday timed run on a flat 5.3 km out and back course along the river Thames, with distances from 5 km up to ultra. Both attended and virtual entrants receive a finisher medal.
Annual 25 km and 50 km routed challenge across Kent, Surrey and Sussex with checkpointed support, food included and GPX route files provided.
A guided 10 mile trail through Chilterns waterways and reservoirs, passing Britain’s oldest post windmill, with trail instruction and a 2026 finisher’s medal.
Timed multi-lap running at Buchan Country Park in Crawley with lap based distances from 5 km up to ultra, flexible start times and a seven hour time limit. Medal and lower cost no medal entry options are offered.
Looped races at Chalfont Park and Chalfont St Peter let runners choose distances from a 7K loop to multi lap ultras. Aid station, clear course marking, crew support and medical cover are provided.
A fully marked single loop 50K trail race around the Chilterns starting and finishing in Berkhamsted, with three aid stations, mandatory kit and a nine hour cutoff.
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