Trail Running calendar near Grafham Water 2025-2026

The Berko 10km will take place in Berkhamsted on Saturday 7 March 2026. You can run 10 kilometers.

Leith Hill Half Marathon is a challenging 13.1 miles trail race across Surrey with about 1,800 feet of ascent and a summit finish at Leith Hill Tower. Enjoy scenic singletrack, a reusable medal, local beer and a full cooked breakfast.

Take on 15.5 or 26.6 mile routes at the 6th Hannington Hike on 8 March 2026 in Wellingborough, across rolling Northamptonshire countryside. Entries include checkpoints, refreshments and a hearty finish meal.

Enjoy a scenic riverside run along the Thames Path with options from 10 km to a full marathon. Flat, runnable routes marshalled and supported with checkpoints, food and medical cover make this a great spring challenge in Barnes.

Join a guided 16k trail run at High Lodge in Thetford Forest, paced conversationally for runners moving from road to trail. Explore varied woodland surfaces with gentle coaching on hill technique and a friendly, inclusive group vibe.

Join the women focused TrailX Women Run at Culden Faw Estate near Henley on Thames on 8 March 2026 for a scenic day on the trails. Multiple distances from a 3 km fun run to 13 km competitive options make it perfect for all abilities.

Take on the Hundred Hills 50 km, a scenic trail ultra through the rolling Chiltern countryside around Stonor Park on 14 March 2026. Two 25 km loops, big climbs and forest tracks make this a rewarding and rugged challenge.

Run beneath the Sherwood Forest canopy on Sunday 15 March 2026, choosing from a new 20 Mile, half marathon, 10k or junior run. This Gold Badge trail event features bespoke medals, free photos and prizes for top finishers.

Take on the Sevenoaks Circular Challenge on Mother's Day, 15 March 2026, a scenic LDWA event across the North Downs and Greensand Ridge with 15, 20 and 30 mile options. Expect indoor checkpoints, hot finish food and friendly marshals.

Take on Phoenix Running's Octopus Run on 15 March 2026 at Walton on Thames for a scenic towpath challenge along the River Thames, with distances from 5 km to ultra and flexible start times. Finish your effort and collect a bespoke finishers..

Join Gratitude 25KM 2026 in Broxbourne for a rewarding 25 km run on 21 March 2026. Ticketed entry and a welcoming atmosphere make it ideal for runners looking for a spring challenge.

Run the Moo Marathon, Calf and Hen K at scenic Hyde Hall Farm with 10k to ultra distances on lap based trail routes. Secure parking, water at the lap point and a farm finish; bring a cup or bottle as the event is cupless.

Take on Trails of Mena in Derbyshire on 21 March 2026 with a marathon or a 20 mile trail through fields, woodland and the 5 Pits Trail. Enjoy a circular, lightly marked course, aid stations, a finisher medal, warm drinks and support for Spa..

Guided 13 mile trail run from St Martha's Hill through the Surrey Hills and parts of the North Downs Way, including Shere and Newlands Corner. Not a race, this social group run is paced at around 10 min per mile and may finish with an alcoh..

Run or walk the scenic North Downs Way in Surrey with Y2Y, choosing 26.2 mile or 14 mile routes that finish at YMCA East Surrey, Redhill. Waymarked routes, support stops, GPS files and finish showers, all raising funds for YMCA East Surrey.

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..