Trail Running calendar near Grantham 2026-2027
We have found 522 Trailruns within 80 miles of Grantham. See below where and when you can find the races.
0 – 100∞ km
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A 10 km summer evening trail race at Coombe Abbey Park, run over two laps through woodland and meadow with water stations, basic facilities and an option for a tree-planting token instead of a medal.
A six-hour trail event at Coombe Abbey Park where entrants run as many 3.3-mile laps as they wish within the time limit. The course mixes stone paths, meadow and woodland and offers parking, on-site facilities and optional charity support.
A multi-day Spartan obstacle event at Belvoir Castle featuring Sprint, Super and Beast races plus kids races and Hurricane Heat sessions. The Trifecta Weekend format lets racers attempt all three main distances across the same weekend.
A roughly five-mile off-road trail run at High Lodge, Thetford Forest with chipped timing and a finishers medal. Entries are non-refundable; transfers allowed until 06/07/2026, and competitors must be 16 or over.
Races run from Slaithwaite along the Huddersfield narrow gauge canal, including a 3.5 mile tunnel. Four distances from 5k to marathon with feed stations roughly every three miles and marshals along the route.
Take on the Charlesworth & Chisworth Carnival Fell Race on Sat 11 Jul 2026 in the Peak District, a testing 5 km / 3.1 mile course with 180 m of climb. Pre entry and entry on the day plus junior races make this a great community running day.
Phoenix Blaze is the second race in a 2026 Summer Series at Hardy Farm on 11 July 2026, featuring timed laps on a 5.3 km riverside course so participants can complete distances from 5 km up to ultra within a seven hour limit.
A timed endurance run in Thetford Forest. Run solo, in a pair, or as a team of four for 6, 12, or 24 hours on a scenic looped course. Free camping is available on-site.
A guided morning trail run through the Chiltern Hills covering 10 km from Church Farm Cafe, Aldbury, with Run Leaders, trail instruction and bag storage. Entry is limited to 50 places and tickets are £23.
MacTuffX Peterborough offers a unique interval based competition for adults. Choose between solo, doubles, or relay formats featuring 400m and 800m repetitions for a focused fitness test.
A lap based timed run at Mowsbury Park on 11 July 2026 offering distances from 5 km up to ultra with a flexible one hour start window and a choice of medal or lower cost no medal entry. Places are limited to 75.
A short 1.6 km hill race with 95 m of climb on Sugar Lane in Rainow on 11 July 2026, held as part of the Rainow Village Fete. Open to runners aged 8 and over with entry on the day.
A 5k obstacle course through Abington Park on 11 July 2026 featuring climbing, crawling and sliding obstacles. The event uses staggered wave starts, has a minimum fundraising target and limited accessibility for wheelchair users.
An outdoor 5k obstacle course at Lincolnshire Showground on 11 July 2026 where participants climb, crawl and slide through muddy obstacles while raising funds for Cancer Research UK. Waves run every 15 minutes and the event is not wheelchai..
A muddy 5k obstacle event at Temple Newsam on Saturday 11 Jul 2026 that raises funds for cancer research. Participants aged 13 and over tackle climbs, crawls and slides on a single lap course in staggered 15 minute waves.
A muddy 5k obstacle course at Cofton Park on 11 July 2026 with climb, crawl and slide elements. The event has staggered wave starts, on-site parking and a minimum fundraising target of £50.
Join this multi-distance trail event at Bawsey Country Park featuring distances from 5k to Ultra Marathon. Enjoy a lap-based course with straightforward logistics and a finishers medal for all participants.
A self-navigation circular route of about 17 miles and 2,000 ft ascent around Parwich in the Derbyshire Dales. The event includes three aid stations, a collect and deliver quest, and a six hour cut off for runners and fast walkers.
Ultra:5K challenges runners at Box End Park in Kempston. The format requires running a 5K on the hour, either five times or three times. The fastest total time across all the runs wins.