Flat Road runs in Hertfordshire
Find flat road runs in Hertfordshire in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
Filter by place
Filter by date
Filter by category
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sun 22 Mar
- £28-£38
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.
- 10K run
- Half marathon
- Fri 3 Apr
- £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.
- 10 km road running + 108 ft ascent
- Mon 6 Apr
- 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!
- 400 m track and field
- Sun 19 Jul
- £27-£29
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.
- 10 km road running + 108 ft ascent
- Thu 31 Dec
- From £25
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.
- 10 km road running + 92 ft ascent
- Sun 7 Jun
- £20
Hitchin Hard Half Marathon, Tough Ten Miler and Fierce 5 Miler and Kids Fun Run | The Fierce Five Miler
- 5 miles road running
- Sun 30 Aug
- FREE-£30
Stevenage Menzies 5K and 10K
- Fun run 2
- 10K run
- 5K run