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Trail Running Calendar near Slough 2026-2027

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Explore the top trail runs near Slough 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
Half marathon through Wimbledon Common on 22 November 2026, organised by RunThrough, chip timed and supporting the charity Beder.
A 10 km road and riverside run starting and finishing at Kingston Hawker Centre, using chip timing and offering a finisher medal, refreshments and baggage drop. The event supports Kingston Hospital Charity and notes nearby train and local parking o..
Guided 10 km trail run around the Devil's Punchbowl in Hindhead, Surrey, with hills, views and group navigation. Events take place at dusk or at night with headtorches and cost £22 per person.
Complete as many 5 km laps as possible on a marked trail loop from Peaslake Community Hall, with a 2 km ascent toward Pitch Hill and a downhill return. Solo and three-person team entries are available, with refreshments and prizes included.
A charity Friday run in Walton on Thames where the £10 entry fee is donated to Rays of Sunshine. Flexible rock up and run format on a flat 5.3 km riverside lap with a finishers' medal for all participants.
A riverside marathon and half marathon along the River Thames on an accurately measured UKA certified course. Multiple laps on a flat towpath route with medals for all finishers and virtual entries.
Guided group ultra trail run from Haslemere along sections of the Serpent Trail and Sussex Border Path with kit support and on-route refreshment.
Join the Christmas Advent Run on Sunday 29 November in Walton on Thames for a festive riverside run. Tackle timed laps to suit you and enjoy optional medal and chocolate advent calendar plus a prize draw.
A 7 hour Time Challenge along the River Thames offering flexible lap based distances from 3 km up to ultra distances. Finishers receive a themed medal, a goody bag with a vegan option and on route aid stations.
Trail runs of 10km, 10 mile and Half Marathon through muddy woodland and estate roads at Mapledurham Estate on 29 November 2026, with an event village and finish refreshments.
December 2026
A trail half marathon around Hughenden Manor and nearby woodlands, 21.1 km with marked navigation, aid stations and uneven terrain.
Timed Thames towpath run where participants choose lap distances on a 5.3 km out and back course and entry supports Rays of Sunshine Children's Charity.
A guided 12.5 mile trail run around Box Hill that gains about 1000 metres of elevation across woodland, heathland and open fields. Group pace with technical climbs and scrambling and a chance of an alcohol free beer at the finish.
Saturn Running's 7 hour Time Challenge in Staines upon Thames offers distances from 5 km to ultra along the River Thames, with a finisher medal and a bobble hat.
A charity event supporting the Hospice of St Francis with a guided 8 km trail run and a 4 km family walk, mince pie included and limited dog places.
Map and compass adventure in the Surrey Hills on 5 December 2026, with run and bike options for solo entrants or teams and bike hire available.
A 50 km trail ultramarathon from Dorking along the Greensand Way, crossing Leith Hill, Holmbury Hill and Pitch Hill through the Surrey Hills AONB.
10 km trail championship at Wendover Woods on 6 December 2026, for qualified runners, marked route with chip timing and about 295 m of ascent.
A festive family fundraising run at Frimley Lodge Park with 5K and fun run options, festive items and an Event Village supporting local NHS hospitals.
A 200 mile continuous trail race around the South of England with a 96 hour limit, three major aid stations offering hot food and sleeping, live tracking and mandatory kit checks.
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