Trail Running calendar near Staines-upon-Thames 2025-2026

Fen Gallop 2026 is a scenic running event held in Willingham, Cambridgeshire, featuring flat, multi-terrain courses along country roads, footpaths, and bridleways. Participants can choose between a 10K race or a shorter 4-mile option, both offering chip timing. The event welcomes runners aged 15 and..

Chiltern Ridge Half Marathon is a 21.1km trail race along The Ridgeway National Trail in Buckinghamshire, starting and finishing in Wendover. The course runs from Wendover to Whiteleaf Hill Nature Reserve near Princes Risborough, with a forested loop en route before returning to the start. It is a f..

The Thursley Common 10km is a scenic trail running event held at Thursley National Nature Reserve in Surrey, one of the largest heathland areas in the region. The 10km course is notably flat, making it ideal for trail running beginners and those seeking a relaxed group run experience. Participants e..

The Spitfire Scramble is a unique 24-hour multi-terrain relay or solo race held at Albyns Farm, London Borough of Havering. Participants can run solo or in teams of two to eight, tackling a 5.75-mile lap repeatedly through day and night. The course spans areas managed by Havering and Forestry Englan..

Ultra:5K Kempston is held at Box End Park, Box End Rd, Kempston MK43 8RQ. The event, scheduled for Sunday 12 July, offers a simple but challenging format: participants run a 5K on the hour, every hour, for five hours. A three-race option is also available.Competitors accumulate time across the chose..

BigHeat Trails (FIRE) is the third event in the Classic Element Trail Series, held at Rother College in Midhurst, Surrey. Inspired by the element of fire, this trail running event offers two challenging single-lap distances: a marathon and a 16-mile run. The course features winding dusty tracks, sun..

Great Barrow Challenge - 10 events in 10 days is hosted by Zig Zag Running at the Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX. This exclusive multi-day challenge offers ten daily routes ranging from 5k to ultra distances, with each day presenting a different course: Denham Flats (..

Great Barrow Challenge Day 1, hosted by Zig Zag Running, kicks off at the Suffolk Running Centre in Bury St Edmunds (IP29 5AX). This is the first day of a 10-day, individual endurance series offering 5k, 10k, half, full, or ultra distances, with your race at your pace. Day 1 features the Denham Flat..

Race The Light at Wendover Woods is an evening trail race at Wendover Woods, Forestry England. The event raises funds for the Chilterns Neuro Centre, supporting people affected by MS, Parkinson’s and stroke survivors. Runners can choose between a 10km (250m+) or 5km (125m+) trail route, with a 1.5km..

Maidenhead Trail Run, part of RunThrough UK, takes place at Summerleaze Park in Maidenhead. The event offers 5K, 10K and Half Marathon on a flat, soft-trail course that loops through tranquil paths beside Maidenhead and Cookham Commons and around Summerleaze Lake. It’s pitched as a relaxed, scenic r..

North Downs 50 Ultra Challenge takes place on the North Downs in Surrey, starting and finishing at Loseley Park, Guildford, with 25 km and 10 km options. The 50 km loop uses the North Downs Way through Surrey hills, offering scenery and views southward with easy access from London. Participants walk..

The MTC Thames Challenge is a four-day ultra endurance event from August 6–9, 2026, starting at Kemble Station in the Cotswolds (GL7 6AW). The 184-mile course unfolds across four stages, featuring four unique Ultra events: The Cotswold Ultra, The Oxford Ultra, The Windsor Ultra, and The Richmond Ult..

The MTC Cotswold Ultra is the opening day of The Thames Challenge, based at Kemble Station (GL7 6AW). This UKA-sanctioned running event is a self-sufficient ultramarathon with solo entry (£90). The route follows the Thames Path from Kemble to the river’s source, then returns via Wysis Way and along..

The MTC Oxford Ultra is an ultra-distance running event in Oxford, serving as Day 2 of The Thames Challenge. The venue is the Travelodge Oxford on Abingdon Road (OX1 4XG). A key feature is self-sufficiency: competitors must carry mandatory gear, including a backpack, head torch with spare batteries,..

The MTC Windsor Ultra is an ultra running event held in Windsor, United Kingdom, organized by Ultra Running Ltd and listed under UK Athletics. The event is scheduled for Saturday, 8 August 2026. Entry is currently open with an individual entry fee of £90 plus service fee; a defer option to 2026 is a..

ATW Odyssey12 is a multi-terrain running event held at Riverside Park, Regatta Meadow in St Neots, Cambridgeshire (PE19 7AB). It forms part of the ATW First to Full Triathlon Festival, with three events — Odyssey12, Odyssey Triathlon, and St Neots Triathlon (Race 2) — running side by side. Runners c..

Ramsbury Gold 10km is a multi-terrain running event held near Ramsbury in Wiltshire. The race starts and finishes at Ramsbury Brewery, Stockclose Farm, Aldbourne, within the Ramsbury Estate countryside. Participants can choose the standard 10km or a Canicross 10km option, both on a scenic Wiltshire..

The Black Bull 15 Mile Trail Run and 15 km Trail Run in Chelmsford, Essex, is staged by Multisport-Management. The event features a 15-mile loop through local countryside and country roads, with a non-competitive 15 km option for those who prefer a jog or walk. Runners start and finish in the pub ga..

The Windsor Trail Run, organized by RunThrough UK, takes place at Alexandra Gardens in Windsor, UK. It offers 10K and Half Marathon distances along a flat, trail course with light elevation (29m for 10K, 58m for the half). The route showcases Windsor’s royal scenery, including distant Windsor Castle..

Set along the River Thames at Temple Island Meadows, Henley-on-Thames, the Henley River Half Marathon, 10K & Junior Race from RunThrough UK offers a late-summer Riverside challenge. The event features three distances: half marathon (the route includes a mini lap plus two laps), 10K (one lap), and a..