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Trail Running Calendar near Mortimer Common 2026-2027

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Explore the top trail runs near Mortimer Common for 2026-2027! We've gathered 222 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

November 2026
Take on flat, scenic laps along the Thames towpath in Walton on Thames with flexible starts and distances from 5 km to ultra. Limited places, aid stations, digital results and medals make this a friendly, festival style challenge.
Saturn Running's We Will Remember Poppy Run in Staines-upon-Thames is a 7 hour Time Challenge from 5 km to ultra on a signed riverside course with a poppy finisher medal.
Night trail at Stonor Park with three marked routes of 7 km, 13 km and 17 km, timed results, one outpost on middle and long routes and no dogs allowed.
Trail races of 7 km, 13 km, and 22 km through Stonor Park and the Chilterns, with steep sections, marked courses, and outpost support.
Nighttime trail run around Winchester on signed routes including the South Downs Way, offered in 12 km and 22 km options with mandatory headtorches.
A fundraising endurance event finishing in Portsmouth with a 76 km ultramarathon from Aldershot or a 36 km run or walk from Petersfield.
Trail event in Windsor on 8 November 2026 with chip timed 10K and half marathon from Alexandra Gardens, featuring medals, free photos and an event village.
Remembrance Run in Staines is a 7 hour Time Challenge on a signed Thames-side loop offering distances from 3 km to 50 km, medals, pins and aid stations.
A Remembrance Day run along the River Thames in Staines with a seven hour time challenge, multiple distances, commemorative medals and distance pins.
A marathon and half marathon on 8 November 2026 in Walton on Thames with a two minute race freeze at 11.00am and a flat, lap based riverside towpath course.
Free biweekly Sunday morning trail runs from Surrey Trek and Run with multiple distances and a limit of 10 participants per leader.
Free, community guided trail runs in south east England with a run leader, tail runner, social pace and limited places; membership is free and advance registration is required.
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.
Timed multi lap event on the Itchen Way in Winchester on 14 November 2026, with 2.62 mile laps that add up to half marathon, marathon and ultra distances. Flexible start format, aid station with vegan options, bespoke finisher's medal.
Timed lap event on a flat 5.3 km out and back Thames towpath course in Walton on Thames offering distances from 5 km to ultra within a seven hour limit.
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.
Multi terrain 5K and 10K trail races in Radnage, Chiltern Hills, raising funds for the village school and including a one mile children's fun run.
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.
A chip-timed trail run from Alexandra Gardens, Windsor, along the Thames Path with two distances, riverside views, medals and on-course support.
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