Half marathons in UK in May 2026
Find half marathons in UK 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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Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Mon 4 May
- £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.
- 13.1 miles road running + 518 ft ascent
- Sun 17 May
- 6 charities
Hackney Half charity places
General entries have sold out for the fourth year running - but charity places are available! Run for charity in London's electric event, support a UK cause and join their team today!
- 13.1 miles road running
- Fri 22 May
- £17-£29
Dun Holm Challenge - Day 2 | Half Marathon
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped half marathon is for you! Durham-themed medals too.
- 13.1 miles trail running
- Sat 23 May
- £33-£38
Farmmageddon | Half Marathon
Can you survive Farmmageddon? A fantastic half marathon through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend.
- 13.1 miles trail running + 656 ft ascent
- Sat 23 May
- £17-£29
Dun Holm Challenge | Day 3 | Half Marathon
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped half marathon is for you! Durham-themed medals too.
- 13.1 miles trail running
- Sun 24 May
- FREE-£40
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.
- 13.1 miles road running + 76 m ascent
- Sun 24 May
- £17-£29
Dun Holm Challenge | Day 4 | Half Marathon
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped half marathon is for you! Durham-themed medals too.
- 13.1 miles trail running
- Sun 24 May
- £30-£32
Get the Hull out of Here | Half Marathon
Based out of East Hull this half marathon 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.
- 13.1 miles trail running
- Sun 24 May
- £31-£33
RUN Victoria Park Half Marathon
Set in one of East London’s iconic green spaces, this event offers a flat, scenic half marathon route through Victoria Park alongside 5K and 10K options on the same day, ideal for all abilities.
- 13.1 miles road running
- Mon 25 May
- £17-£29
Dun Holm Challenge | Day 5 | Half Marathon
Whether you are a Durham resident, you just love the area, or you fancy running along the River Wear with views of the Cathedral, then this looped half marathon is for you! Durham-themed medals too.
- 13.1 miles trail running
- Fri 29 May
- £15-£27
Midweek Medal Madness | Leons Birthday Run | Half Marathon
Come and join this May Midweek Medal Madness event, where runners will also be celebrating Leon's Birthday!
- 13.1 miles road running
- Sat 30 May
- £14-£34
Rocky at 50 Run | Wales
Come and celebrate 50 years since the release of the iconic Rocky film! Have you got the Eye of The Tiger, the guts to get the glory and the will to rise up to the challenge and run?
- Road run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sat 30 May
- £28-£30
Yorkshire Weekend Saunter Series in Bingley | Half Marathon
“Your Distance, Your Pace, Your Weekend” Looking for a friendly, scenic half marathon in Yorkshire?
- 13.1 miles road running + 151 ft ascent
- Sun 31 May
- £52-£55
Great Manchester Run Half Marathon
The city’s original and best-loved running event! In true Mancunian style, it’s a party from start to finish. Over 99% of Manchester runners say they’d recommend it to a friend.
- 13.1 miles road running
- Sun 31 May
- £30-£32
Rothwell Cakeathon | Half Marathon
Run. Refuel. Repeat. Take on the Rothwell Cakeathon and earn every slice in this friendly, traffic-free, flat, runnable course with a welcoming, no-pressure atmosphere.
- 13.1 miles trail running
- Sun 31 May
- £34-£36
Circuit Du Sore Legs | Half Marathon
In its sixth year! Come take on the challenge of the track at Wodson Park. Do you have it in you to complete your distance on a 400-metre athletics track?
- 13.1 miles track and field
- Sat 2 May
- £10-£39
Lakeland Trails in Staveley
- 5K run
- 10K run
- Half marathon 2
- Trail run 2
- Sun 3 May
- £37
Tempo Trail Races | Half Marathon
- 13.1 miles trail running + 884 ft ascent
- Sun 3 May
- From £45
ABP Southampton Half Marathon
- 13.1 miles road running + 152 m ascent
- Sun 3 May
- £35
Three Forts Challenge | Half Marathon
- 13.1 miles multi terrain running + 1455 ft ascent
- Sat 9 May
- £38.50
Sid Valley Ring Half and Third Marathon | Half Marathon
- 21.1 km trail running + 596 m ascent
- Sat 9 May
- £40
Radyr Trail Races: Half Marathon and Marathon | Half Marathon
- 13.1 miles trail running
- Sat 9 May
- £47
Endurancelife | Exmoor | Half Marathon
- 13.5 miles trail running + 2822 ft ascent
- Sun 10 May
- £30
Run Rabbit Trail Festival | Thump Trail Half
- 13.1 miles trail running