Runs in Hertfordshire in Spring
Find runs in Hertfordshire in Spring - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sat 21 Mar 2026
- £27-£38
Moo-rathon, Calf and Hen K
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.
- Newcomers
- Dogs allowed
- Event village
- Age 18 & over
- Multi-terrain run 2

- Sun 22 Mar 2026
- £24-£34
ATW Run Fest at Lee Valley
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.
- Recycling
- Newcomers
- Event village
- Park
- Free venue entry
- Sustainability policy
- Public transport links
- Age 15 & over
- 10K run
- Half marathon

- Fri 3 Apr 2026
- £26-£28
ATW St Albans Easter 10K
A flat, fast and chip timed event - it's a sure-fire guarantee to give you the best chance of a PB in the 10K.
- Families
- Recycling
- Newcomers
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Event village
- Park
- Sustainability policy
- Age 15 & over
- 10 km road running + 108 ft ascent

- Mon 6 Apr 2026
- FREE-£32
ATW Stevenage Spring Half Marathon & 10K
From the fantastic Ridlins Stadium athletics track, wind your way around superb traffic-free tarmac routes and enjoy the beautiful Fairlands Valley Park the return to a vibrant event village!
- Families
- Newcomers
- Music
- Event village
- Urban
- Park
- All ages
- Fun run
- 10K run
- Half marathon

- Sat 23 - Sun 24 May 2026
- £33-£165
Farmmageddon
Can you survive Farmmageddon? You have 32 hours to complete 100 miles over a fantastic 5.3K loop through the lovely grounds of Hyde Hall Farm. 24-hour or shorter distance options too.
- Newcomers
- Event village
- Rural
- Age 18 & over
- 5K run
- 10K run
- Half marathon
- Marathon
- Ultra run 2
- + 2 more races
- Sat 28 Mar 2026
Run the Wild Half Marathon - Spring Edition
- 21.1 km trail running + 300 m ascent