Trail Running calendar near Grafham 2026-2027

Revesby Running Festival on 19 July 2026 offers multiple race options at Revesby Estate near Boston, England. Options include 5K, 10K, a tabbing 10K, a half marathon and solo and team Challenge The Estate entries.

Set your own distance goal in this 6-hour trail running challenge. Runners complete as many 5K loops as they can on a scenic, 95% off-road course. Every finisher receives a medal.

A muddy 5k obstacle event at Hylands Park, Chelmsford on 19 July 2026 featuring climb, crawl and slide elements in staggered waves. Participants must be 13 or older and there is a minimum fundraising target of £50.

A guided *10 km* group trail run at High Lodge in Thetford Forest on 19 July 2026, led at a conversational pace and organised into ability groups. Entry costs £12.50 and parking is charged at £4.

A single day entry in a 10 day series hosted by Zig Zag Running at Suffolk Running Centre, offering distances from 5k to ultra. Day one follows the Denham Flats route with parking included and on course aid at base camp.

Enjoy a 10k trail run through Chelmsford featuring a unique brewery checkpoint. This non competitive event includes mid race and finishers drinks along with a commemorative medal for all participants.

A 7 hour timed riverside challenge near Egham with flexible start options, themed medals from 3 km and goody bags for finishers. The signed course is mainly on paths and tarmac with aid stations each lap.

A Friday running event on a flat 5.3 km out-and-back riverside lap near Walton on Thames offering distances from 5 km to ultra and finishers' medals including spinning Rubber Ducky designs.

A family friendly inflatable obstacle fun run in Coventry on 25 July 2026, with giant inflatables, five music zones and choices of 2.5k, 5k, 10k or 15k laps. Participants receive a finisher medal and on-site food and facilities are provided..

A six hour timed circuit run in Skellingthorpe offering distances from 5k to ultra marathon. The mainly tarmac out and back course uses 3.28 or 4.37 mile laps and includes on-course drinks, food, a medal and a goody bag.

MacTuffX Birmingham on 25 July 2026 at Edgbaston combines ten functional Xercises with repeated runs in Classic (10x400m) or 2X (10x800m) formats. Solo, doubles and relay entries are available; entrants must be 18 or older.

A Pretty Muddy 5k obstacle event at Priory Park in Bedford where participants climb, crawl and slide around a grass and tarmac course in staggered waves. The event has a minimum fundraising target of £50 and separate adult and child entry f..

A one lap 10K trail run through Garendon Park on Sunday 26 July 2026, featuring mixed open and wooded paths with some gentle climbs. Entries are limited to 400 and early bird pricing runs until 31 January 2026.

Bright Skies Surrey Hills is a daytime trail event at Denbies Wine Estate with marathon, half marathon, 10K and children's races. The marathon features a self navigation first half with checkpoints and a fully marked second half.

A circular half marathon trail run on the Ridgeway that visits Ashdown House and the original White Horse Hill. The route is described as undulating and the event is held under UK Athletics rules with a Trail Running Association permit.

Flat trail races at Summerleaze Park on 26 July 2026, offering 5K, 10K and a Half Marathon with marked routes, marshals, chip timing and post-race goodies.

A looped trail event from Guildford across the North Downs in Surrey offering 50 km, 25 km and 10 km options with covered rest stops, GPS tracking, medical support, camping and shuttle transfers, plus a finishers medal and t shirt.

MacTuffX at Finsbury Park London on 1 August 2026 combines ten Xercises with repeated runs and offers solo, doubles and five-person relay entries plus a LITE weight division.

Third race of the Forest Five mile series on 1 August 2026, held as Orion Harriers' ELVIS fixture. The event awards individual and team trophies and offers a discounted series rate with age-category aggregate prizes.

Experience a flat multi-terrain race through the historic grade II listed grounds of Elvaston Castle Country Park. Choose between chip-timed 5k, 10k, and half marathon distances in a scenic parkland setting.