Trail Running calendar near Aylesbury 2026-2027

Experience the twilight beauty of Ardingly Reservoir during this evening run in West Sussex. Choose between a 5K or 10K distance on an undulating trail course featuring scenic water views and a finisher medal.

A 5k obstacle event at Southsea Common on 09 May 2026 where participants climb, crawl and slide around a flat route while raising funds for cancer research; facilities include toilets and refreshments and accessibility support is provided.

A road marathon on scenic low traffic lanes around Halstead, marking its 30th running on 10 May 2026. The event is limited to 500 entries, is part of the Essex Road Running Championships and supports local charities.

A multi distance running event around Naseby in Northamptonshire featuring road and trail sections, landmark views and annually reversing course direction. Distances range from a 10K up to a 35 mile ultra with varied aid and navigation arra..

Road marathon and half marathon from Suffolk Running Centre on measured Kirtling and Windmill routes. Aid stations every 10k, parking included and bespoke finisher medals; the event is cupless so bring your own bottle or cup.

Off-road 10k, 5k and junior runs at Milton Creek Country Park on 10 May 2026. The event supports the Oliver Fisher Special Care Baby Trust and includes medals, prizes, pacers and limited free on-site parking.

An approximately 13 mile self guided loop around the Garden City Greenway starting and finishing at Standalone Farm, organised under UKA rules with a three hour time limit and proceeds donated to the charity GRIT.

Trail races in the South Downs around Cocking on 10 May 2026, offering 10 km and 20 km senior courses plus 3 km and 5 km junior races on mostly off road trails with water stations, marshals and age category awards.

A multi terrain community event on 10 May 2026 at Dilton Marsh playing field offering 10 km, 3 km and a 1/2 km fun run with medals for finishers, prize categories, water stations and basic facilities.

A one day 30 km trail run in the Chiltern Hills near Tring with guided trail technique instruction, a well stocked checkpoint and a finisher's medal. The route runs through woodland, ridge lines and rolling hills with about 500 m ascent.

A 10 km trail run at Symonds Yat in the Forest of Dean with undulating terrain and views of the River Wye. The final 1 km includes a large climb to the finish. Coffee and hot food are available at the start and finish.

An inclusive UK trail running series offering 1K, 5K, 10K and kids races with free entry for under 16s, held at Dunstable Downs in May and Blaise Castle Estate in October 2026, with activities, food and live music.

Hairy Legs is an all ages cross-country event at Sheepcot Recreation Ground on 10 May 2026, with children's laps, teenage and adult loops plus solo and relay options, and proceeds supporting two local primary schools.

A one lap *10 km* trail through Hampton Estate and Puttenham Common with undulating hills and bluebell woods. Chip timing, finish medals and on-site parking, with food and refreshments available at the finish.

A multi-distance trail event in the Cotswolds on 10th May 2026, featuring quarter, half, marathon and Ultra 40 routes across trails, towpaths and commons with marked routes, checkpoints and on-course water.

A community 5k trail run and walk around East Hendred with a separate 1k kids event on the Sportsground. Entries are limited and close on 8 May 2026.

Experience a ten mile multi terrain lap through the scenic Cotswold countryside and Coln Valley. This undulating course features fields, footpaths, and a river crossing near the historic Chedworth Roman Villa.

A cross country event in Little Gaddesden on 10 May 2026 offering 10K, 5K and mini races for under 7s. Pre registration and on the day fees apply and medals are awarded to all finishers.

A self‑navigated trail event in Thaxted on 10 May 2026 raising funds for Thaxted Windmill restoration. Two route options are offered, 5 miles (8k) and 8.25 miles (13k), with entry fees and a refreshment voucher included.

A family fun run and a five mile all terrain race across National Trust parkland, marshalled with chipped timing and medals; proceeds fund school equipment, trips and PE provision.