- Sun 8 Dec
- £27-£34
- Sun 8 Dec
- £27-£34
ATW Stevenage Winter Half Marathon
Starting and finishing on the fantastic Ridlins Stadium athletics track, the route winds its way around the superb traffic-free tarmac routes that cover the town of Stevenage.
- Enter online
- Age 17 & over
- 13.1 miles road running
- Sun 2 Feb 2025
- £34-£36
- Sun 2 Feb 2025
- £34-£36
ATW Watford Half Marathon
This popular event has a strong history within the running community and has been taking place for over 40 years. Join a day of running, community spirit and exciting experiences!
- Chip timing
- Enter online
- Undulating
- Age 17 & over
- 13.1 miles road running + 751 ft ascent
- Sat 22 Mar 2025
- £25-£37.50
- Sat 22 Mar 2025
- £25-£37.50
Moo-rathon, Calf and Hen K | 6 Hour
Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 6 hrs trail running
- Sat 22 Mar 2025
- £25-£37.50
- Sat 22 Mar 2025
- £25-£37.50
Moo-rathon, Calf and Hen K | 4 Hour
Marathon, Half and 10K! Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 4 hrs trail running
- Sun 23 Mar 2025
- £35-£37
- Sun 23 Mar 2025
- £35-£37
ATW Run Fest at Lee Valley | Half Marathon
Smash your personal best on a traffic-free, flat and fast course from the White Water Centre and into surrounding beautiful regional parkland with a custom-designed medal for finishers.
- Enter online
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running + 79 ft ascent
- Sat 24 May 2025
- £34-£36
- Sat 24 May 2025
- £34-£36
Farmmageddon | Half Marathon
Can you survive Farmmageddon? A fantastic half marathon through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend.
- Chip timing
- Enter online
- Traffic free
- Age 18 & over
- 13.1 miles trail running
- Sun 8 Jun 2025
- £37-£39
- Sun 8 Jun 2025
- £37-£39
ATW St Albans Half Marathon
A community focused event, ATW St Albans Half Marathon aims to raise money for local charities and organisations as well as put on a great day out for all the family, delivered by runners for runners.
- Chip timing
- Enter online
- Traffic free
- Age 17 & over
- 13.1 miles road running
- Sat 28 Jun 2025
- £23-£37.50
- Sat 28 Jun 2025
- £23-£37.50
Cock-a-doodle Dawdle | 4 hour
Join like-minded runners doing different distances, starting from the base camp of Hyde Hall Farm and encompassing the beautiful grounds around it.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 18 & over
- 4 hrs trail running
- Sun 28 Sep 2025
- £30-£36
- Sun 28 Sep 2025
- £30-£36
ATW Welwyn Half Marathon
The popular Welwyn Half Marathon starts and finishes on the impressive 400m athletics track at Gosling Sports Park with an ideal, traffic-free, disused railway line in between.
- Chip timing
- Enter online
- Traffic free
- Age 17 & over
- 13.1 miles road running
- Sun 2 Mar 2025
Berkhamsted Half Marathon and Five Mile Run | Half Marathon
- 13.1 miles road running
- Sat 29 Mar 2025
Run the Wild Half Marathon - Spring Edition
- 21.1 km trail running
- Sun 1 Jun 2025
Circuit Du Sore Legs - Part Cinq | Half Marathon
- 13.1 miles track and field