Trail Running calendar near Grantham 2026-2027

A backyard ultra at High Lodge Thetford Forest where runners complete 4.167 mile laps every hour until one remains. The event has open ended, 6 hour and 12 hour options, chip timing and a £1000 prize for the overall winner.

A family-friendly inflatable obstacle run at Lincoln Showground on 6 June 2026 offering lap-based distances of 2.5k, 5k, 10k and 15k, music zones, large inflatables and a finisher's medal. Spectator areas, water stations and on-site vendors..

A multi-distance fundraiser at TF4 3HZ with 8 mile laps that form 16 mile and marathon options, a mixed paths-and-tracks route through the Valley of Ironbridge, and a playful fancy dress tradition. Entry fees are listed from £30 to £42.

A new 75 miles trail ultra across the National Forest Way from Alrewas to Beacon Hill, with six staffed checkpoints, mandatory safety kit, medical cover by TrailMed and a team relay option where each runner covers over 20 miles.

A 50 mile linear ultramarathon across the South Pennines from Marsden to Ilkley that visits six carved Stanza Stones and passes through Haworth. The route features high moorland and valley sections with live tracking and indoor checkpoints.

A 46 mile circular run or walk around Cambridgeshire starting and finishing at RAF Wyton, visiting former RAF Pathfinder Force airbases. Options for solo completion or team relay, with eight checkpoints and an included t shirt and medal.

Test your endurance at MacTuffX Sutton Coldfield with 400m and 800m interval repetitions. Choose between solo entries, doubles, or relay teams for this intense fitness event designed for participants aged 18 and over.

A 5k obstacle run at Willen Lake, Milton Keynes, part of Cancer Research UK’s Race for Life. Staggered wave starts, a minimum age of 13, on-site facilities and event accessibility support are provided.

Pretty Muddy 5 km at Markeaton Park is an obstacle course of climbs, crawls and slides completed at each participant's own pace. Waves run every 15 minutes, participants must be 13 or older, and a medal and fundraising pack are provided.

A Pretty Muddy 5k obstacle course at Graves Park on Saturday 06 Jun 2026, featuring mud obstacles and varied terrain. Participants must be 13 or older and are asked to meet a minimum fundraising target of £50 for Cancer Research UK.

A multi-distance running event around Ousden and Suffolk countryside offering 5k, 10k, half, marathon and ultra options with Dalham Kiln and Goldings Hills routes, aid stations every 10 km, and parking included.

A forest trail event at Wendover Woods on 7 June 2026 offering a half marathon, a 10k multi-lap course and a junior run. The hilly route includes route maps and GPX files, with onsite parking, a cafe and spectator facilities.

Take on the Passing Clouds fell race in the Peak District on Sun 7 Jun 2026, a scenic but testing 15.7 km trail with 565 m of climb around Tittesworth Reservoir. Entry on the day from £9 for members, parking charges apply.

MacTuffX Leeds is an interval based running event featuring solo and team formats. Participants alternate between repeated 400 meter or 800 meter segments in a high intensity environment designed for adults.

Join the Calton Crawl on Tue 9 Jun 2026 in the Peak District for an energetic 8.5 km trail run with 244 m of climb, offering great views and a proper challenge. Friendly village hall base and day entries welcome for a low cost event.

A five mile charity trail run in Epperstone on 9 June 2026, raising funds for The Brain Tumour Charity. The undulating course returns to The Cross Keys pub and offers vouchers, club prizes and course record recognitions.

Experience a midweek trail run through South Yorkshire's historic Wentworth Castle Gardens. Choose from 5km or 10km routes featuring gothic landmarks, woodland trails, and a canicross friendly atmosphere.

Tackle the Boar's Head fell race in the Peak District on Wed 10 Jun 2026. This BM 8 mile course climbs 402 m from the Boar's Head Hotel, welcomes teams and on the day entries for £5; entrants must be 18 or older.

A scenic 10 km route around Sandringham Estate on 12 June 2026 with chip timing, a bespoke finish medal and event photography. The mixed terrain course is marshalled and signposted and features a water station at about 5 km; in ear headphon..

A 24 hour trail race around Sandringham Estate with solo and team entries, camping and an event village. The weekend includes a five mile lap format, a children’s one mile fun run, timing, medical support and on-site facilities.