Trail Running calendar near Welwyn 2026-2027

We have found 514 Trailruns within 80 miles of Welwyn. See below where and when you can find the races.

Experience a four day endurance race covering 184 miles along the River Thames. This multi stage event features four unique ultra marathons and requires participants to be self sufficient while navigating the historic river path.

Experience a 57 mile point to point ultra marathon following the scenic Thames Path from Kemble to Oxford. Enjoy a well supported route featuring multiple checkpoints, bespoke finisher medals, and trophies for top performers.

A 49 mile point to point ultra from Travelodge Oxford Abingdon Road to Henley-on-Thames along the Thames Path, with three checkpoints, mandatory GPX navigation and a minimum average pace of 4.0 miles per hour; finishers receive a bespoke me..

A timed Friday run on a 5.3 km out and back towpath loop along the River Thames. The event is promoted as a ten pound charity entry for Rays of Sunshine and includes a double sided finisher medal.

A 47 mile point to point ultra along the Thames from Henley to Kingston with three checkpoints offering food and drink. Finishers receive a bespoke medal and technical race kit and a 4.0 mph minimum pace is enforced.

Test your endurance at this 12 hour multi terrain event in St Neots. Run solo or in a team on a flat 5.3km loop featuring a festival atmosphere with live music and on site camping.

Experience a 103 mile continuous trail journey from the Surrey Hills to Ashford. This Western States Qualifier features 11,000 feet of climb across the North Downs Way with a 30 hour time limit.

UTMB Index

Experience a point to point ultra run through the historic English trails of Constable Country with 100 km and 50 km race options. Finishers earn UTMB Index points while traversing scenic footpaths from Newmarket or Sudbury to Brantham.

UTMB Index

Choose any number of laps on a scenic 5.3 km loop at Denbies Wine Estate to make distances from 5 km up to ultra. Timed event with a flexible 1.5 hour start window and support on a hilly off road course.

Experience the muddiest summer race at Bordon featuring woodland trails and sandy terrain. Choose between one or two laps of a bog filled course designed for those who enjoy technical single tracks and steep hills.

Experience a beautiful multi-terrain trail race across the Ramsbury Estate in Wiltshire. This 10km event features woodland routes and finishes at the Ramsbury Brewery with a medal and a well-deserved pint cup for all participants.

Experience a scenic run through undulating country lanes and the beautiful Mount Ephraim Gardens in Kent. This event features a 10K race and a Junior Run while supporting local charitable causes.

Experience a flat and scenic out and back race along the historic Thames Path with marathon, half marathon, and 10km options starting from Richmond.

Choose a multi-terrain 10k or half marathon through the Kent countryside near Wye. The route passes a historic chalk crown carved for a king's coronation. Facilities include refreshments and a post-race gathering area.

The Hart 4 is a four-hour trail relay where teams of four race a scenic 4km loop at Minley Manor. With categories for male, female, and mixed teams, it's a fun, traffic-free challenge. The event features chip timing, medals for all, and a l..

Experience a scenic trail run through the Bedfordshire and Hertfordshire countryside. Choose between three distances starting from Luton Sports Village with access to full leisure facilities including showers and a café.

Enjoy a flexible seven hour time challenge along the scenic River Thames in Egham. Run or walk as many laps as you choose to earn a medal and special distance pins on a flat, paved course.

Foxton Hound Ultra runs 50k and 100k trail routes around Market Harborough on 15 August 2026, following long-distance footpaths and local landmarks, with checkpoints, mandatory kit requirements and GPX navigation files provided.

This timed event on August 15, 2026, offers a flexible, multi-lap format on a smooth riverside course in Winchester. Runners can choose their start time and distance, from a single lap to an ultra marathon, within a 7-hour window. All finis..

Celebrate twenty years of trail sports with a 15 mile run or a 15 km hike through scenic environments. Enjoy a flexible start format and post race rewards in a social pub garden setting.