Trail Running calendar near Grantchester 2025-2026

Explore flat, well kept trails around Windsor Castle with 10K and half marathon options plus a RunThrough Foundation place. Chip timed racing, free photos and post race food and an event village make it a great day out.

Tackle a rugged 6 mile off road cross country at Manor House Farm in Hardwick near Aylesbury on 22 March 2026. Limited to 300 runners, the undulating farm route crosses fields, streams and tracks and finishes with hot drinks and a memento.

Enjoy scenic trail runs through Danesfield woods and country paths with 10k, 6.5k and a 1k Little Sprinters for kids. All entries include chip timing, a finisher medal and village refreshments for a fun family day out.

Frogger Jogger is a timed lap race on the scenic Thames towpath in Walton on Thames where you can run 5.3 km laps to choose distances from 5 km to ultra. Places are limited, enjoy river views and digital race extras.

Join a guided 10k through Thetford Forest at High Lodge on 22 Mar 2026, led at a relaxed conversational pace. Friendly ability groups, mostly flat woodland trails and a postrun stretch make this a great choice for newbies and regulars alike..

Challenge yourself at Spring Run on 22 March 2026 at Northampton Active, where a six hour timed event lets you tackle distances from a 5K up to an ultra marathon. Enjoy lap support, a Spring Run medal and a generous goody bag.

Enjoy a flat, scenic 10 km along the River Stour between Chartham and Canterbury, perfect for a fast time or a relaxed riverside run. Friendly village atmosphere with medals, trophies and age group awards to celebrate your finish.

Run a 10k night trail at Salcey Forest by head torch, with Petzl demo lamps on site and hot drinks before and after the flat two lap course. Canicross entries start early and a tree token can replace a medal to plant wildflowers.

Elephant Challenge is a six hour off road lap event at Salcey Forest where runners, walkers and canicross teams cover as many 3.5 mile loops as they like. Expect forest trails, possible mud and distances from 5 km to 80 km plus.

Join a guided 10km trail run at atmospheric Hankley Common, often held as sunset or night runs and passing the Lion's Mouth and famous film locations. This relaxed group run is not a race so enjoy guided trails, varied views and unique mili..

Run the Chiltern Hills on a guided trail half marathon based at The Home Office in Tring, led by qualified leaders who group runners by ability and teach trail technique. Enjoy scenic trails, a midcourse refreshment stop and finisher medal.

Test your mettle at Fortitude Ultra in Pippingford Park, a 10 hour challenge to complete 10 laps of 3, 4 or 5 mile loops through wooded, hilly trails. Basic camping available and a true back to nature endurance experience.

Take on the Ashridge Boundary Run on 28 March 2026 in Aldbury, a scenic 17.5 mile trail around the Ashridge Estate starting and finishing at Aldbury Recreation Ground. National Trust backed, with water stations, a finisher gift and prizes.

Take on the Spring Blickling Half Marathon on 29 March 2026, starting and finishing at Blickling Hall. Enjoy a scenic multi terrain route, bespoke medal and finish line treats while helping EPIC Norfolk reinvest profits into local sport.

Take on a scenic 10K through Epping Forest on 29 March 2026, two laps on traffic free forest tracks with an undulating, multi terrain route. Limited to 600 entries and finishers receive a medal.

Take on the Gauntlet Treasure Run along a flat riverside towpath in Walton on Thames, doing laps of a 5.3 km out and back to build any distance from 5k to ultra within seven hours. Limited places and every finisher gets a medal.

Choose your distance on the day and tackle scenic looped courses through woods and trails around Chalfont St Peter, with pacers welcome and a trained medic on standby. Distances from 7k to ultra are offered and top three finishers earn meda..

Join The One in the Woods Henley on March 29, 2026 at Culden Faw Estate for duathlon, cross duathlon or offroad endurance on scenic laps. Expect chip timing, a finisher medal and a lively event village.

Celebrate the Galloping Grind reopening with the Easter Egg 10k trail in Chelmsford. Limited to 30 runners, this dusk run includes an on site chocolate egg hunt and a limited edition T shirt.

Run or walk riverside laps along the Thames at the Eggcellent Easter Orange Run in Runnymede, a flexible multi distance event for all abilities. Choose anything from 3 km to a 7 hour time challenge and earn an Easter egg themed medal.