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Trail Running Calendar near Horsham 2026-2027

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Explore the top trail runs near Horsham for 2026-2027! We've gathered 197 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

October 2026
A timed endurance event around King George’s Parks where participants run a 3.5 km loop every 30 minutes for up to 12 hours, either solo or in pairs.
A family friendly 5k obstacle and colour run near Dorking Surrey in October 2026 with mud, water features and obstacles for ages 6 and up.
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.
A community organised 10 km race at Imberhorne School featuring mixed terrain, marshals, chip timing and a sustainably sourced finisher medal supporting local charities.
Multi-lap timed run at Tilgate Park with flexible starts, distances from 5 km to ultra, a 7 hour limit and a bespoke finisher's medal.
Annual early October trail races from Landport Bottom near Lewes offering 5 mile and 10 mile off road routes across the South Downs.
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.
Beat Box Hill Trails on 10 October 2026 at Box Hill, Surrey offers 21K, 31K and 50K marked trail routes across ridgelines, woodland and chalk climbs with marshal support.
A 10 lap ultra at Pippingford Park on 10 October 2026 with 3, 4 and 5 mile loop options, regular aid stations and close parking.
Commando Series at Hever Castle on 10 October 2026 features 3K, 6K and 12K military style obstacle courses with age specific entries and an event village.
Trail running in Hurtwood Forest near Guildford with 15 km and 21 km routes, on-site facilities, water stations and medals for all.
Trail races at Cowdray Estate on 10 October 2026 offering 10 mile, 10 km, 5 km and a new 3 km kids run alongside Cowdray Farm Shop Apple Day.
Four seasonal trail races at Cowdray Estate near Midhurst offering 3km kids races, 5km, 10km, 10 mile and CaniRun categories with series prizes.
A single lap 10k through Oxted Woodlands on off road tracks and footpaths, with varied slopes, a water station and finishers' T shirt and medal.
Flat mixed trail races along the Basingstoke Canal and through Wellesley Woodlands with 10 km, 5 km and a 2 km fun run, chip timing and a collectable medal.
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.
An annual 25 km or 50 km countryside challenge in Kent Surrey and Sussex with written route directions, checkpoints, included food and GPX files.
A trail running event on 18 October 2026 from Fernhurst Recreation Ground to the Temple of the Winds on Blackdown, featuring a 10 km route with a 866 ft climb and an approximate 4.5 km alternative. Entries online only.
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.
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