Trail Running calendar near Grantchester 2025-2026

We have found 273 Trailruns within 80 miles of Grantchester. See below where and when you can find the races.

Roman Ramble at Billingford Lakes offers rugged trail running with four hour and six hour options across heavy half and ultra laps. Parking is included and all finishers receive bespoke medals, so bring your own cup or bottle for refills.

Run the Thames Ring Series, a multi day trail loop based in Streatley on Thames that follows the river and canal towpaths on mostly flat, scenic terrain. Pick 100, 150 or 250 mile routes from 22 to 26 April 2026 for a true endurance fix.

Event overview A Coventry Way Challenge is scheduled for Sunday 26 April 2026. The event follows a countryside route of 40 miles that starts and finishes at the Heart of England Social Club in Meriden. The route can be completed as a walk o..

The Other Run, organized by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds, coinciding with the London Marathon day. It offers multiple distance options: 5k, 10k, half marathon, and full marathon. The marathon..

The Trident Grantham Triathlon will take place in Grantham on Sunday 26 April 2026.

May 2026

Saturn’s Midweek Chasing Numbers 7-Hour Time Challenge is held at Wraysbury Skiff & Punting Club on the River Thames. The event is designed to be affordable and flexible, inviting all abilities to run or walk within a 7-hour window. Partici..

Event overview The Greensand Way Ultra Run is a guided, group trail run taking place on Saturday 2 May 2026 in Guildford, Surrey. The route covers 30 miles and the advertised cost is £45 per person. The event is presented as suitable for fi..

Take on the iconic Thames Path 100, a 100 mile point to point trail from Richmond to Oxford offering riverside scenery and varied terrain. With a 30 hour cutoff and support stops along the way this classic ultra blends challenge and charm.

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Rapid Relays is a dynamic running event held at the scenic Culden Faw Estate in Fawley, near Henley on Thames, Oxfordshire. The race features a woodland trail course on estate tracks with gently undulating terrain, including a notable climb..

Event overview This is a guided trail run around Box Hill, Dorking, Surrey. The route covers approximately 12.5 miles with around 1000 m of elevation gain. Scheduled dates include Saturday 29 November 2025, Saturday 3 May 2026 and Saturday..

Discover the Cotswolds on foot at Tempo Trail Races 2026, a scenic weekend of trail racing on 3 May with distances from 10K to 100 km, and a new 50K option. Friendly atmosphere, challenging routes and stunning countryside await.

Bat Challenge is a 6-hour day/night trail running event at Beacon Hill Country Park, Leicestershire, England. It features a 3.3-mile off-road loop that participants can repeat to reach 5k, 10k, or over 50k within the time limit. The course..

Run to the Sea Brighton is a scenic point to point 50k from the Sussex downs to Hove seafront with a two person relay. Expect trails, rolling hills, sea views, aid stations, medical support and a bespoke finisher medal.

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Join the Run Rabbit Trail Festival at scenic Deene Park for an inclusive multi distance trail running weekend with races and social events. Tackle short loops, a scenic half or go for the Quest for the Golden Carrot to earn extra bling.

The Goring Gap Trails event, held in Mapledurham near Reading, offers a variety of running and walking challenges, including a 50-mile ultra, a 52K ultra, and a half marathon, alongside walking options of half marathon, full marathon, and a..

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Explore Suffolk's scenic trails at the Holy Trail Festival of Running, offering marathon, 50 km and 50 mile distances for adventurous runners. Friendly festival atmosphere, full support and hot post run food make it a must do challenge.

The Chiltern Hills 100K will take place in Chesham from Saturday 9 May 2026 to Sunday 10 May 2026. You can run 100 kilometers.

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Shires and Spires is a friendly multi distance loop from Naseby Village Hall offering races from 10 km to a 35 mile ultra across scenic trails and country roads. Routes alternate each year and GPS files plus live tracking guide runners.

Halstead & Essex Marathon offers an annual road race on scenic low traffic roads through rolling hills, woods and farmland. Run by Halstead Road Runners as they mark their 40th year, it blends competitive spirit with a friendly club vibe.

Event The Oliver Fisher 10k & 5k is scheduled for 10/05/2026 at Milton Creek Country Park in Sittingbourne, Kent. The event offers three race options: 10k 5k Junior Run The course is off-road on stone trail and follows the route used..