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Trail Running Calendar near Box Hill 2026-2027

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Explore the top trail runs near Box Hill for 2026-2027! We've gathered 208 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

February 2027
A timed lap event in Crystal Palace Park on 21 February 2027 where runners complete 2.65 km laps to reach distances from 5 km to ultra, with a seven hour limit and a finishers' memento for all participants.
Group guided 10 km trail run across the boardwalk and heathland of Thursley National Nature Reserve with evening and night options, car parking and a post-run alcohol-free beer.
Running event at Newlands Corner offering 15 km and 10 km options, organised by G3 Series on 27 February 2027.
Looped trail and road races near Chalfont St Peter offering 7K and 10K loops with distance choices up to ultramarathons plus aid stations and medical support.
March 2027
A 10 km mixed-terrain run from Windsor & Eton Brewery along towpaths and parkland, with staggered starts, a pint cup and free drink at the finish, chip timing and downloadable race photos.
Guided 10 km trail run around Silent Pool near Guildford, following parts of the North Downs Way and Netley Heath forest. Sessions run at dusk or at night with headtorches in a led group and a recommended pace of about 10 min per mile.
A 24 hour endurance format at Alice Holt Forest where runners repeat a 6.7 km loop each hour, finishing laps within 60 minutes. Wooden medals are given to finishers and a wooden trophy is awarded to the overall champion.
A quirky partner carrying race on a 380 m out and back course up The Nower in Dorking, with weigh in rules, helmets required and proceeds donated to a local food charity.
A hilly 13.1 miles out-and-back trail from Dorking to Leith Hill Tower with about 1,800 feet of ascent, water stations and marshals. Race HQ is The Priory School and entry includes a postrace cooked breakfast and a reusable medal.
A Kent LDWA challenge with three new West Kent routes, indoor checkpoints, limited entry and a 30 mile option with 4200 ft ascent and an 11 hour limit.
Twelve consecutive days of timed riverside running in Walton on Thames with multiple distance options, collectible daily lantern medals, finishers shirts, and a Double-Down option to run two half marathons each day.
Looped trail and road races near Chalfont St Peter offering 7K and 10K loops with distance choices up to ultramarathons plus aid stations and medical support.
A London ultramarathon in the Lea Valley on 20 March 2027, listed on the Camino Ultra event calendar. The event is set in the E15 2HB area of London.
A guided trail half marathon around the Surrey Hills, about 13 miles from St Martha's Hill in Guildford, following parts of the North Downs Way and notable viewpoints. The run is social in format with a guided pace and evening options.
Seven consecutive days of timed running on certified out and back routes along the River Thames in Walton on Thames. Distances from 5 km to ultra are available and finishers earn daily mementos plus a seven day lantern medal set.
April 2027
A 42 km trail to road marathon from Stanmer Park across the South Downs, including Ditchling Beacon, then joining the Brighton Marathon for the final 6 km into Hove Lawns.
Races on the Thames Path at Wraysbury Skiff & Punting Club in Runnymede offering Marathon, Half Marathon and 10 km courses with marked turnaround points and stocked checkpoints.
Trail runs at Froyle on 10 April 2027 offering 10k and half marathon routes from Froyle Village Hall, with parking, water stations, medals and onsite refreshments.
A trail weekend at Cowdray Estate, West Sussex offering five distances from 12 km to 110 km, low technical difficulty, an event village with expo, and optional camping and race support.
Windsor 50 Ultra Challenge on 17 April 2027 offers 50 km, 25 km and 10 km looped routes from Windsor Racecourse with full support and marked trails.
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