Trail Running calendar near Grantchester 2025-2026

We have found 345 Trailruns within 80 miles of Grantchester. See below where and when you can find the races.

Tackle scenic, hilly forest trails at Wendover Woods with half marathon, 10k and junior options on 14 June 2026. Enjoy multi lap routes, on site cafe and family friendly facilities plus medals and free photos.

Beyond London is a scenic trail run through London's parks and woodlands offering 55 km and 25 km options. Run parts of the Capital Ring from Eltham Palace to Richmond Park and finish beside Richmond upon Thames.

Take on the Three Shires Way on 20 June 2026, a point to point trail through ancient woodlands and countryside across Buckinghamshire, Bedfordshire and Northamptonshire. Choose a 50 mile ultra or a marathon, finish at Grafham Water with aid..

Take on the Phoenix Centaur 100 Mile Ultra at Denbies Wine Estate, a flatish 1 mile off road loop with multiple distance options across the weekend. Enjoy central aid, chip timing and a Centaur medal and buckle for 100 mile finishers.

Run a marathon or half marathon at Denbies Wine Estate on 20 June 2026, tackling a scenic off road loop through the vineyards. Choose attended or virtual entry, enjoy chip timing and a collectible community medal while places remain limited..

Join the Phoenix Hydra 75 Mile Ultra at Denbies Wine Estate in Dorking for a scenic 1 mile off road loop with chip timing and a staffed aid station. Distances run from 12 hour to 100 miles and all entrants receive a free memento.

Join a scenic trail half marathon across Dunstable Downs with sweeping ridge views, steep climbs and thrilling descents. Limited to 300 runners on 21 June 2026, this challenging 21.2 km course is perfect for elevation lovers.

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The Midsummer Munro will take place in Walton on the Hill on Sunday 21 June 2026. You can run 13 miles.

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The Run Sandringham 10K will take place in Norfolk on Sunday 21 June 2026. You can run between 5 and 10 kilometers.

Explore the War of the Worlds sandpits at Horsell Common on 21 June 2026 in the volunteer run Martian Race. With 21k, 10k, 5k and a 2k kids race, proceeds support local charities and the event pledges to protect the common.

Enjoy a scenic multi terrain 10km that starts and finishes at Twisted Tree Brewery on the Tusmore Estate, with a canicross option. Finishers get a medal and a beer or soft drink to enjoy at the brewery.

Take on the Colworth Marathon Challenge over a three day weekend in North Bedfordshire, where three multi terrain races add up to a full marathon. Enjoy free camping, family entertainment and children's races while choosing one, two or all..

Join Cock a doodle Dawdle on 27 June 2026 at Hyde Hall Farm for undulating trails across grassland and paths, with distances from 5k to ultra for all levels. Limited to 300 entries, friendly aid station and bespoke medals add to the charm.

Tackle the legendary Surrey Hills on forest trails and fields from Cranleigh Showground, with routes from 5 km to a 50 km ultra. Enjoy big climbs, stunning North Downs views, on course support and a medal to celebrate your trail adventure.

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Run scenic off road trails through the Thames Valley at the RunThrough Marlow Trail Run, with 5K, 10K and half marathon options. Enjoy chip timing, a themed medal, free race photos and a lively event village with food and drinks.

Run scenic forest trails at TrailFest Salcey Forest on 28 June 2026 with 10K, half marathon, marathon or 50 km options. Routes are clearly marked, all finishers get a medal and a Big Bear drink for a memorable day out.

Run the 3 Brewers 10km at 3 Brewers Brewery in the Hertfordshire countryside, or try the new 5km option over mostly off road multi terrain trails. Celebrate with a free pint, live jazz and support charity Earthworks.

July 2026

Run the full 82 mile Essex Way from Epping tube to Harwich lighthouse over challenging trails and country lanes. Enjoy supported checkpoints, GPS tracking and a 24 hour finish window for an epic route across Essex.

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Event overview The SATURN Midweek Chasing Numbers event takes place on Friday, 3 July 2026 at Wraysbury Skiff & Punting Club, Egham (TW20 0AE). It is a 7 hour Time Challenge with flexible start times available throughout the day. The ev..

Fen Gallop on Sunday 5 July 2026 in Willingham offers a flat, scenic run through the Cambridgeshire fens with 10 km and 4 mile options. Friendly for families and walkers, the community event raises funds for Willingham School Association an..