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Trail Running Calendar near Forest Row 2026-2027

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Explore the top trail runs near Forest Row for 2026-2027! We've gathered 183 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

November 2026
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.
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.
Lap-based timed running on the Downslink at Southwater with distances from 5 km to ultra, flexible start times and a seven hour limit; all participants receive a finisher medal.
An approx 8.5 km loop trail around Northiam on 29 November 2026 with over 70% trail, a 60 person entry limit, prizes and post race tea and cake at the village hall.
December 2026
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.
Three single loop winter trail races from Plumpton Racecourse across the South Downs with marked routes, aid stations, GPS tracking and variable winter weather.
A 50 km trail ultramarathon from Dorking along the Greensand Way, crossing Leith Hill, Holmbury Hill and Pitch Hill through the Surrey Hills AONB.
A December 10 mile undulating race around Peacehaven with mostly off road sections, marked route, finishers' medal and festive prizes.
Timed lap event at Tilgate Park, Crawley with 5 km laps and distances from 5 km to ultra, a 7 hour limit, and a finisher medal for all participants.
A 200 mile continuous winter trail adventure forming a giant loop across the south of England with a 96 hour time limit and 22500 feet of elevation.
A 100 mile point-to-point winter trail run from Amberley Museum to Juniper Hall on established long-distance trails, with a 35 hour limit, three aid stations, and mandatory kit checks.
A Christmas timed run along the Thames in Walton on Thames with lap-based distances from a 5.3 km loop up to ultra and medal or no medal entry options.
Mince Pi Run on 13 December 2026 at Shalford Park, Guildford offers looped offroad races from 3.14 to 31.4 miles, a Pi marathon option and a one mile fun run shaped like the Pi symbol. The course runs along the water and results are posted online.
A hilly five mile trail race in Lesnes Abbey Woods on 13 December 2026 in memory of Ray Marshall, with manual timing and a 90 minute cut off.
A self-navigated festive night trail of about 5 miles through Friston Forest and downland, with medals, a bar perk and a fancy dress dessert prize.
A dawn to dusk trail challenge at Box Hill where runners complete laps of a roughly 10 mile loop with about 2,400 ft ascent per lap; entries include insurance, medical cover and a finisher medal.
A 50 km trail ultra along the North Downs Way from Detling to Wye with about 1,000 m of ascent, three checkpoints and mandatory kit requirements. The route passes Boxley Warren, Thurnham Castle, Lenham Cross and the Wye Downs.
Phoenix Running West Sussex stages a timed Jingle Bell Bauble Run on the Downslink at Southwater with 5 km laps, flexible starts and a 7 hour time limit.
Community Santa fun run in Lewes on 20 December 2026 offering 5 km, 10 km, 15 km and a junior 1 mile Elf Run with proceeds to Friends of Lewes Victoria Hospital.
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