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Trail Running Calendar near Chiswick 2026-2027

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Explore the top trail runs near Chiswick for 2026-2027! We've gathered 261 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

November 2026
Three trail distances through Stonor Park and the Chilterns with marked courses, fuel outposts, on site facilities and notable gradients.
76km ultramarathon or 36km run or walk finishing at Portsmouth Historic Naval Dockyard on 7 November 2026.
A licensed 7 hour Time Challenge in Staines along the River Thames with multiple distances from 3 km to 50 km, commemorative medals and distance pins.
Remembrance Run in Surrey along the River Thames: a 7 hour time challenge with distances from 3 km to 50 km, medals, aid stations, and a two minute silence.
A riverside marathon and half marathon on 8 November 2026 featuring a two minute silence pause, flat towpath laps, limited places and medals for all participants.
Join a community of runners at Richmond Park for a series of timed races supporting Movember. Enjoy a hilly tarmac course with distances ranging from a kids mini run to a half marathon in a supportive atmosphere.
A point to point 13.1 mile race along the Grand Union Canal from Cowley to Cassiobury Park with chip timing, four water stations and an optional coach transfer from the finish.
Second Sunday 5 on 8 November 2026 at Richardson Evans Memorial Fields in Wimbledon Common is an informal two lap event organised by Thames Hare & Hounds.
Biweekly free Sunday morning trail runs from Surrey Trek and Run with varied routes and distances, limited to 10 places per leader.
Three day, 84 mile ultra along the Ridgeway from Buckinghamshire to Wiltshire with overnight stops, organised by XNRG Druids and based at Tring Rugby Club.
A flexible Friday running event on a flat 5.3 km out and back course along the Thames offering distances from 5 km to ultra, timed over a seven hour limit with bespoke finishers medals.
A 50 mile trail race in Wendover Woods made of five 10 mile loops with 10,000 feet of climb, nine aid stations, medical support and a 15 hour cut off.
Lap based timed run along the Grand Union Canal in Harefield on 14 November 2026, using a 3.28 mile lap with distances from 5 km to ultra.
A multi-terrain 5K and 10K race in the Chiltern Hills on 15 November 2026, organised by the Radnage Primary School PTA, with water stations, first aid, a village hall cafe and proceeds supporting the school.
A 7-hour time challenge along the River Thames with distances from 3 km to 50 km, themed medals, aid stations and parking in Staines.
Timed multi-lap run on a flat Thames towpath in Walton on Thames with distances from 5 km to ultra, a seven hour limit, flexible one hour start window and finishers medal options.
A fully marked 50 km trail race from Putteridge Bury across the North Chilterns with three aid stations and an 8 hour 45 minute time limit.
Trail run from Alexandra Gardens in Windsor along the Thames with chip timing, two distance options, riverside views and finisher medals.
Half day 6 miles 10 km trail run in the Chiltern Hills with a private Tring Brewery tour, tasting and a bottle or a pint included.
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