Trail Running calendar near Sunbury-on-Thames 2025-2026

We have found 367 Trailruns within 80 miles of Sunbury-on-Thames. See below where and when you can find the races.

The St Peters Way Ultra is a 42 mile point to point trail from Chipping Ongar to the Chapel of St Peter on the Wall at Bradwell on Sea. Expect muddy footpaths, rural tracks and an exposed sea wall, with live tracking and checkpoints for foo..

Dirt Run is a trail running series across two rounds in Northamptonshire at Irchester in January and Brigstock in February. Tackle mixed trails and a notable hill, pick short or longer distances and earn a unique finisher medal.

Take on the Hadleigh Legacy 10k at Hadleigh Country Park on 22 Feb 2026, a single lap off road trail with hills, mud and lovely views. Enjoy race photos, a bespoke medal and prizes for top finishers.

Guided 10 km trail runs on Thursley Common across heath, bog and the boardwalk voted Britain's Favourite Path. Friendly, non competitive group runs include sunset and night options with headtorches.

Join the G3 Series at Newlands Corner, Guildford on Saturday 28 February 2026 for scenic 10 km and 15 km runs through Surrey countryside. Single entries and series bundles are available; register by 26 February.

Tackle a guided 30 mile trail on the South Downs Way from Harting Down, West Sussex, passing Beacon Hill and the ancient yews of Kingley Vale. This friendly group run from Running Adventures offers a scenic, supportive challenge for experie..

Explore scenic coastal paths around Chichester Harbour with views of Bosham Hoe, Itchenor and the South Downs and a short foreshore crossing at low tide. Choose 16 km or 21 km routes with canicross options and a friendly race day vibe.

March 2026

Run a scenic 10 km along the Thames and Jubilee River through Windsor, Dorney and Eton, finishing by the Windsor & Eton Brewery. Multi terrain course with a medal and post race pint makes this a perfect social and club outing.

Up on the Downs, hosted by Tri-Counties Trail Running, takes place at Breamore House near Salisbury. Runners can choose from 5k, 10k (about 11.5k), or a half marathon, all starting and finishing at Breamore House. The route is mainly trail,..

Join the Pitsford Water Trail Races on 1 March 2026 for scenic, fully marshaled trail runs around Pitsford Water with 10k and half marathon options. Enjoy village views, finisher medal and free digital photos in a friendly countryside event..

Take on the rugged Imber Ultra, a 33.5 mile multi terrain trail around Salisbury Plain starting from Westbury. This charity fundraiser on 1 March 2026 follows the Imber Range Perimeter Path clockwise and welcomes adventurous trail runners.

Join a guided 10 km trail from Silent Pool, Albury along the North Downs Way through Netley Heath to Shere, with sunset or headtorch night options. Led by a qualified guide, the run features kit trials and sometimes an alcohol free beer.

Brutal at Chawton is a raw trail run across muddy woodland, water filled craters and steep sided valleys with tight technical trails. Options for 5 km or 10 km include dedicated canicross waves so bring your dog and expect big challenges.

Join Thunder Races at Harrold Odell Country Park for scenic 25 km and 50 km trail runs through woodland and countryside. Marked routes, aid stations and finish medals make it a welcoming challenge for trail runners of all levels.

UTMB Index

Take on the stunning Sussex coastal trails at Eastbourne on 7 March 2026 with 10K, half marathon, marathon and ultra options that pass the Seven Sisters cliffs. Expect challenging chalk and forest terrain, great views and full event support..

UTMB Index

Join the Humanity Direct Amersham Ultra on 7 March for scenic footpath and bridleway routes of 10 km, 25 km or 50 km starting at Dr Challoner's School. Run or walk to fundraise for Humanity Direct and earn a finisher medal.

Run through ancient New Forest woodlands, heath and meadows with 10km, 15km and 22km route options. Dog friendly, with canicross categories, chip timing and medals.

Tackle the Leith Hill Half Marathon, a scenic 13.1 miles cross country run from Dorking to Leith Hill Tower and back with about 1,800 feet of climbing. Enjoy stunning views, a commemorative medal and a full cooked breakfast at the finish.

Take on the Wight Riot, a mixed terrain coastal path run at Hordle Cliff West with stunning views of the Isle of Wight and passages past Sturt Pond. Choose a 5K or multiple lap ultra and earn a finisher medal for every completed lap.

Hannington Hike in Wellingborough on 8 Mar 2026 offers two waymarked walks of about 15 and 27 miles for LDWA members and guests. Enjoy checkpoints with snacks and hot drinks and a certificate and badge at the finish.