Trail Running calendar near Marlow 2025-2026

We have found 393 Trailruns within 80 miles of Marlow. See below where and when you can find the races.

"Something to Talk About" is a 7-hour trail running event set in the scenic New Forest at Avon Tyrrell Outdoor Activity Centre. Participants can choose their own distance, from 5K to ultra-marathon, with looped routes of 3.28 miles through beautiful forest surroundings. The event offers flexible sta..

The Kingfisher Challenge is a unique trail running event held at Coombe Abbey Park, offering participants the flexibility to run as many 5k laps as they wish within a 6-hour time limit. This event caters to all abilities, allowing runners to choose their distance, from a casual lap to over 50 miles...

The Petzl Night Trails 10K at Coombe Abbey is an exciting running event set in the scenic Coombe Abbey Park in Coventry. Participants will experience a unique night-time trail run, showcasing the beauty of the park under the stars. This event is designed for runners of all levels, offering a thrilli..

October 2025

The London Epping Forest 50 Km will take place in London on Saturday 4 October 2025. You can run 50 kilometers.

The London Ecotrail 25 Km is an exciting running event that takes participants through the scenic landscapes of Epping Forest. This eco-friendly trail run emphasizes sustainability and encourages runners to enjoy the natural beauty of the area while promoting environmental awareness. The event is de..

The Guided 50k Ultramarathon in New Alresford, Hampshire, offers participants a scenic running experience through beautiful trails, including sections of the Watercress Way and Oxdrove Way. This event is designed for those who have completed at least a 20-mile run in the past year and will be conduc..

The Guided 15 Mile Run in New Alresford, Hampshire, offers a scenic experience for runners looking to tackle the first loop of a 50k event. Participants can enjoy the beautiful trails of the Watercress Way and Oxdrove Way, starting and finishing in the charming market town of Alresford. This relaxed..

Run to the Sea Bournemouth is a scenic 50k ultramarathon that offers a flat and well-organized course, making it suitable for both novice and experienced runners. The race takes participants from Moors Valley Country Park to Hengistbury Head, following the picturesque Castleman Trailway and stunning..

UTMB Index

The Dovedale Dash is a renowned cross-country race covering 4 3/4 miles, attracting 1,200 to 1,400 participants of all abilities. Set in the scenic area around Thorpe near Ashbourne in the Derbyshire Peak District, the course primarily traverses fields, paths, and open ground along the valleys of th..

Bolt Round the Holt is a charity running event held at Alice Holt Forest, aimed at raising funds for GUTS, an organization focused on improving bowel cancer survival through early detection and treatment. The event features a scenic and undulating trail, offering participants the choice of a Half Ma..

The Thames Meander Autumn is a scenic riverside race series organized by Hermes Running, taking place along the picturesque Thames Path. Starting from the Petersham & Ham Sea Scouts HQ in Richmond, participants can choose from three distances: 10km, half marathon, and marathon. The routes are flat a..

The Burnham on Crouch 10K is an exciting running event organized by the Rotary Club of Burnham-on-Crouch and Dengie Hundred, scheduled for October 5, 2025. Participants will enjoy a scenic, flat, single-lap course that features coastal paths along the Dengie peninsula and trails through open country..

The Run the Wild Half Marathon - Autumn Edition is a scenic trail running event set in the beautiful Chiltern Hills. Participants will cover approximately 13 miles (21 km) over undulating terrain, guided by qualified Run Leaders. This event is designed for runners of all abilities, making it ideal f..

The Kent Downs 50 Ultra Challenge is an exciting endurance event set in the picturesque Kent Downs, known as the 'Garden of England.' Participants can choose from three distances: 50 km, 25 km, or 10 km, with a basecamp located near Maidstone. The 50 km route features a scenic loop that includes the..

UTMB Index

The Barrows and Downs event features a Marathon and Half Marathon set in the historic Salisbury Plain of Wiltshire, where participants run among ancient barrows dating back to 3500 BC. The scenic routes offer breathtaking views of the Wiltshire Downs and are designed for trail running enthusiasts. B..

The Southend Pier Marathon is a unique running event scheduled for October 12, 2025, taking place on the world's longest pleasure pier, which stretches 1.34 miles over the sea. This marathon is a world first, offering participants the chance to run a full marathon in a stunning coastal setting. The..

The ATW Holdenby House Trail & Canicross event takes place at the historic Holdenby Estate, a 2,000-acre site in Northamptonshire. Participants can choose from various distances, including a 5k, 10k, and Half Marathon, with the course offering scenic views of the estate and its gardens. A special 5k..

The Marlow Donkey is a challenge event organized by the Thames Valley LDWA, offering participants the choice of two routes: 16 miles and 25 miles through the scenic Chiltern Hills. The event welcomes both walkers and runners, providing basic refreshments along the route and a simple meal at the fini..

The Frieth Hilly 5km and 10km runs are exciting mixed-terrain races set in the picturesque Chiltern Hills, located between Marlow and Henley-on-Thames. Participants can expect a challenging course that features winding woodland paths and scenic country roads, offering stunning views throughout the r..

The South Downs Way Ultra Run is a 30-mile trail event that showcases the stunning landscapes of the South Downs Way and its surrounding areas. Starting and finishing at Harting Down in West Sussex, participants will traverse scenic routes including Beacon Hill and Kingley Vale, known for its ancien..