Trail Running Calendar South East (England) 2025-2026

We have found 209 Trailruns in South East (England). Check below where and when you can find the races.

Run the Hurtwood 50, a 50k trail ultramarathon from Dorking through the Surrey Hills. Tackle ridgelines and wooded valleys with climbs over Leith Hill and Holmbury Hill while earning UTMB runner performance index credit.

UTMB Index

A scenic 10km loop around Rye Harbour Nature Reserve, almost entirely off road and fully marked for a relaxed coastal trail. Limited to 70 runners, with prizes for top finishers and tea and cake after the race.

Join the New Forest Xmas Trails on 7 December at Holmesly Campsite for fully marked off road laps through heathland and woodland, with distances from 15K to a 50K ultra. Enjoy a festive trail vibe and the option to plant a tree instead of t..

The Mince Pie 10 is a festive 10-mile race held in Peacehaven, East Sussex, organized by Seaford Striders. The multi-terrain course features about six miles of farm tracks and bridleways, with the remaining four miles on quiet roads, includ..

Take on the Winter Downs 200, a continuous 200 mile trail around the South of England with about 6,800 m of climbing and a 96 hour cutoff. Centurion Running stages an epic loop from Juniper Hall with aid stations and GPX navigation.

UTMB Index

Mince Pi Run - races of 2 decimal places is a 14 December 2025 off-road event at Shalford Park, Guildford. Participants choose from 3.14 to 31.4 miles (1–10 laps) on a scenic, mostly flat course with one or two hills. A Pi marathon option a..

Christmas Pudding Dash in Pett, near Hastings, East Sussex, marks its 20th year as a festive multi-terrain cross-country event. The main race runs a single loop of roughly 4.2 miles through farmland and woods around Pett, with a 2-mile Fun..

The Winter Wanderlust 50km is an ultra-trail race held in Kent, UK, starting at Detling Village Hall and finishing at Wye Village Hall. Covering 50 kilometers with approximately 1,000 meters of elevation gain, the course follows the scenic..

Festive Friston Forest 5 mile night trail run takes place at The Plough & Harrow, Litlington, East Sussex. It is a self-navigated event following a Strava GPX route through forest, downlands and countryside, mostly anti-clockwise as the rev..

The Die Hard Christmas Marathon and Half Marathon is a festive running event taking place on December 24, 2025, at Caldecotte Lake in Milton Keynes. Participants can choose between a full marathon, consisting of 7.5 scenic laps, or a half m..

Join the Santa Claws 10km at Renegade Brewery for a festive, muddy cross country run across the Yattendon Estate. Finishers receive a medal, a beer or non alcoholic option and a pint cup, and a canicross option welcomes runners with dogs.

Take on a scenic 7.5 km trail loop around Westfield on Sunday 28 December, with fully marked, marshalled routes and tea and cake in the village hall after. Entries are limited to 50 so enter early for this friendly end of year challenge.

Winter X in the Meon Valley on 28 December 2025 invites trail runners to pick 10, 30, 50 or 70 km out and back legs from Meonstoke, with scenic South Downs Way and old railway line views. Marked courses, checkpoints, chip timing and post ra..

The Christmas Charity Run at Rathfinny The event takes place on 28 December 2025 at Rathfinny Wine Estate, The Tasting Room, Alfriston, Polegate, BN26 5TU. The run is limited to 75 places and is open to local runners only. Part of the entry..

Finish the year with the River Thames Run, a six hour timed challenge along a flat, scenic out and back route beside the Thames. Choose a 3.28 mile lap, 5k, 10k or go further up to ultramarathon distance while enjoying club facilities.

January 2026

Start the new year on trails with the Knacker Cracker 10K around Box Hill, a scenic but challenging course that finishes at Box Hill Fort. There is a Nipper Knacker fun run for kids and a Knicker Knacker ladies prize adds extra fun.

Rhino Run in Wraysbury at Wraysbury Skiff and Punting Club is a 6-hour timed running event organized by Circuit Running. The course is an out-and-back with each lap about 3.28 miles. Runners can complete from 5k up to an ultra within the ti..

Join the Penshurst Village Cross Country Run on Sunday 4 January 2026 for mud, hills and community spirit across scenic village trails. Choose a 5 mile race or a 5 mile canicross and enjoy a friendly morning for runners and dogs alike.

Run the G3 Surrey trail series at Newlands Corner, Guildford and Hound House Road on 10 Jan, 31 Jan and 28 Feb 2026. Choose 10km or 15km over scenic forest trails with hills, mud and tricky descents for a rewarding challenge.

Tackle the Country to Capital Ultra, a 43 mile point to point from Wendover to Little Venice as canal towpaths and country trails lead you into central London. This UTMB index race features live GPS tracking and an 11 hour cutoff.