Flat Road runs in UK in September 2026
Find flat road runs in UK in September 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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Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sat 5 - Sun 6 Sep
- £12-£37
ATW Bedford Running Festival
More than just a running race! Join thousands at Bedfordshire’s most popular weekend of running with festival magic, live music, bar, yoga, kids zone, street food, outdoor cinema and fun fair!
- Families
- Recycling
- Beginner-friendly
- Event village
- Park
- Sustainability policy
- All ages
- Fun run
- 5K run
- 10K run
- Half marathon
- Road run
- Sun 6 Sep
- £15-£35
- 10 charities
The Big Half
The Big Half promises a party atmosphere on a landmark-packed, half marathon route which follows some of the famous marathon course in reverse!
- Families
- Trees not tees
- Venue accessible
- Recycling
- Beginner-friendly
- Entertainment
- Music
- Chip timing
- Enter online
- GPS tracking
- Flat
- Traffic free
- Fancy dress
- Event village
- Event expo
- Urban
- Sustainability policy
- Age 17 & over
- 13.1 miles road running + 218 ft ascent
- Sat 12 - Sun 13 Sep
- £12-£56.50
Richmond RUN-FEST
Richmond RUN-FEST consists of different distanced events, 5,000 runners, a music stage, fitness expo, amazing male and female cut tech t-shirts and chunky triangle medals!
- Families
- Recycling
- Beginner-friendly
- Entertainment
- Music
- Fancy dress
- Event village
- Event expo
- Park
- Free venue entry
- Public transport links
- Age 3 & over
- Fun run
- 10K run
- Half marathon
- Marathon
- Sun 27 Sep
- £6-£80
Baxters Loch Ness Marathon and Festival of Running
Loch Ness Marathon is a monster race - running alongside the shores of the most famous loch in the world, complete with shorter distances, family and corporate events over the festival weekend.
- Families
- Beginner-friendly
- Entertainment
- Music
- Fancy dress
- Event village
- Event expo
- Urban
- Park
- Rural
- Sustainability policy
- All ages
- 5K run
- Marathon
- 10K run
- Fun run
- Sun 27 Sep
- £0.50
Windsor Half Marathon | Sprite Sprint
Run for fun at the Windsor Half Marathon! A short run for ages 5-9 on the grass alongside the Long Walk which you can come and enter on the day.
- Flat
- Traffic free
- Fancy dress
- Age 5-9
- 40 m road running
- Sun 27 Sep
- From £38
- 3 charities
Robin Hood Half Marathon
One of the longest-established and most popular city centre road events in the UK! A true Nottingham favourite, it’s also the city’s biggest charity fundraising event!
- Chip timing
- Enter online
- Flat
- Undulating
- Traffic free
- Age 17 & over
- 13.1 miles road running
- Sun 27 Sep
- £49.99
- 3 charities
Vitality London 10,000
A capital city 10K on a flat course with closed roads and world-famous landmarks! Cheering crowds, great medal, family-friendly run and wellness festival too.
- Families
- Venue accessible
- Recycling
- Beginner-friendly
- Chip timing
- Enter online
- Flat
- Traffic free
- Fancy dress
- Event village
- Event expo
- Urban
- Free venue entry
- Sustainability policy
- Public transport links
- Age 15 & over
- 10 km road running
- Sun 27 Sep
- From £25
Folkestone Rotary Half Marathon
This ever popular race promises amazing coastal views and a relatively flat coastal promenade run with real PB potential.
- Chip timing
- Enter online
- Flat
- PB
- Age 17 & over
- 13.1 miles road running + 469 ft ascent
- Sun 20 Sep
ABP Humber Coastal Half Marathon 10K & Family Fun Run
- 10K run
- Half marathon
- Fun run