Flat Road runs in Hertfordshire
Find flat road runs in Hertfordshire in 2025/2026 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Wed 31 Dec
- £28-£30
ATW St Albans New Years Eve 10K
Finish the year with a brand new PB and celebrate the arrival of a brand new year with a glass of fizz and a healthy twist at this New Year's Eve running extravaganza.
- Families
- Recycling
- Beginner-friendly
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Event village
- Park
- Sustainability policy
- Age 15 & over
- 10 km road running + 92 ft ascent
- Sun 11 Jan 2026
- £27-£29
ATW Hatfield 10K
Chase your next PB at the ATW Hatfield 10K — a fast, scenic route on the Alban Way with free photos, medals, and unbeatable race-day energy with exciting perks!
- Beginner-friendly
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Event village
- Age 15 & over
- 10 km road running + 39 ft ascent
- Sun 22 Mar 2026
- £26-£36
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
- Beginner-friendly
- Event village
- Park
- Free venue entry
- Sustainability policy
- Public transport links
- Age 15 & over
- 10K run
- Half marathon
- Fri 3 Apr 2026
- £28-£30
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
- Beginner-friendly
- 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
ATW Stevenage Spring 400M Childrens Fun Run
A free 400m Children’s Fun Run will take place on the running track 30 mins before the half-marathon start - no need to book, just turn up. Parents are welcome to run with their kids and warm up!
- Flat
- Traffic free
- All ages
- 400 m track and field
- Sun 19 Jul 2026
- £26-£28
ATW St Albans Summer 10K
ATW brings you the St Albans Summer 10K with a twist! Flat, fast and chip-timed with pacers to help you achieve a PB, plus buzzing event village for all the family with music, play zone and ice cream.
- Families
- Beginner-friendly
- Entertainment
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Event village
- Park
- Age 15 & over
- 10 km road running + 108 ft ascent
- Sun 7 Jun 2026
Hitchin Hard Half Marathon, Tough Ten Miler and Fierce 5 Miler and Kids Fun Run | The Fierce Five Miler
- 5 miles road running