Flat Half marathons in May 2026
Find flat half marathons near me in May 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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- Sun 3 May 2026
- £36-£38
Worthing RUNFEST Half Marathon
Enjoy a fully closed road race, on flat coastal roads with a spectacular seafront finish. Chance to take home a PB along with the finishers' t-shirt and medal.
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running + 37 m ascent
- Mon 4 May 2026
- £20-£27
Bank Holiday Madness May | Half Marathon
Come and join the day of running and aim to complete a midweek half marathon within the 7-hour time limit on a scenic course then receive a fantastic medal and goody bag at the finish!
- Enter online
- Flat
- Age 17 & over
- 13.1 miles trail running + 0 ft ascent
- Mon 4 May 2026
- £40-£50
MK Half Marathon
A popular, fast, scenic AIMS-certified race, with BARR Gold accreditation for outstanding race management featuring beautiful lakes, parks, and picturesque villages with the highest level of support.
- Chip timing
- Enter online
- GPS tracking
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running + 518 ft ascent
- Sun 24 May 2026
- £46.25
- 9 charities
Edinburgh Half Marathon
Just before the Marathon, the Half follows the same fast and flat route from the iconic castle and city sights to the coast for an explosive finish and offers genuine PB potential.
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running + 76 m ascent
- Sun 24 May 2026
- £30-£32
Get the Hull out of Here | Half Marathon
Based out of East Hull this race will run out on the TransPennine Trail towards Hornsea, it should allow runners to enjoy a flat even surface ideal or both beginners or for seasoned athletes...
- Enter online
- Flat
- PB
- Age 17 & over
- 13.1 miles trail running + 33 ft ascent
- Sun 31 May 2026
- £46-£55
- 3 charities
Great Manchester Run Half Marathon
The city’s original and best-loved running event! It's a party from start to finish with a high-energy soundtrack and live music. Over 99% of Manchester runners say they’d recommend it to a friend.
- Chip timing
- Enter online
- GPS tracking
- Flat
- PB
- Traffic free
- Age 17 & over
- 13.1 miles road running
- Sun 10 May 2026
RUN Hereford | Half Marathon
- 13.1 miles road running + 81 m ascent
- Sun 17 May 2026
PUMA Salzburg Marathon | Salzburger Sparkasse Half Marathon
- 21.1 km road running
- Sat 23 May 2026
Seven Sisters Half Marathon
- 13.1 miles trail running + 2057 ft ascent