Marathons in May 2026
Find marathons in May 2026 - filter by date or location, display on a map or use the advanced search to find your perfect race.
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Event listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Fri 1 May 2026
- £20-£27
Midweek Chasing Numbers May | Marathon
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- Enter online
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Sun 3 May 2026
- £55
ABP Southampton Marathon
This 2-lap marathon course offers a spectacular route including green parks, shoreline and riverside views, starting and finishing at the iconic Southampton Guildhall.
- Chip timing
- Enter online
- Age 18 & over
- 26.2 miles road running + 296 m ascent
- Mon 4 May 2026
- £20-£27
Bank Holiday Madness May | Marathon
The aim of the midweek runs is to hold events as cheaply as possible in order for people to be able to build their numbers or simply to help people achieve their own goals at an affordable price.
- Enter online
- Age 18 & over
- 26.2 miles trail running + 0 ft ascent
- Mon 4 May 2026
- £50-£60
MK Marathon
A multi award-winning marathon consistently ranked in the top 10 UK marathons with a stadium finish to give you goosebumps! AIMS-certified and BARR Gold accreditation for outstanding race management.
- Chip timing
- Enter online
- GPS tracking
- Flat
- PB
- Traffic free
- Age 18 & over
- 26.2 miles road running + 938 ft ascent
- Sun 10 May 2026
- £45
Shires and Spires | Marathon
The multi-terrain marathon is 12.9 miles on road and 13.7 miles of trails and covers a large part of the ultra distance route.
- Chip timing
- Enter online
- GPS tracking
- Undulating
- Age 18 & over
- 26.6 miles multi terrain running + 1743 ft ascent
- Sun 10 May 2026
- £33-£38
Zig Zag Marathon and Half | Full Marathon
Ideal for runners who want to get a marathon 'Good For Age' place as it is over an officially measured course on the Kirtling Road Route which is mildly undulating and very scenic.
- Enter online
- Undulating
- PB
- Age 18 & over
- 26.2 miles road running + 1247 ft ascent
- Thu 21 May 2026
- £17-£34
Dun Holm Challenge - Day 1 | Marathon
Come and join in for Day 1 of The Dun Holm Challenge!
- Enter online
- Age 18 & over
- 26.2 miles trail running + 72 ft ascent
- Fri 22 May 2026
- £17-£34
Dun Holm Challenge - Day 2 | Marathon
Come and join in for Day 2 of The Dun Holm Challenge!
- Enter online
- Age 18 & over
- 26.2 miles trail running + 72 ft ascent
- Sat 23 May 2026
- £33-£38
Farmmageddon | Full Marathon
Can you survive Farmmageddon? A fantastic marathon through the lovely grounds of Hyde Hall Farm as part of the Farmmageddon endurance weekend.
- Chip timing
- Enter online
- Traffic free
- Age 18 & over
- 26.2 miles trail running + 164 ft ascent
- Sat 23 May 2026
- £17-£34
Dun Holm Challenge - Day 3 | Marathon
Come and join in for Day 3 of The Dun Holm Challenge!
- Enter online
- Age 18 & over
- 26.2 miles trail running + 72 ft ascent
- Sun 24 May 2026
- £52-£65
Lough Cutra Castle | Marathon
Race through the beautiful castle grounds over marathon distance for all levels from first-timers to elite then celebrate with friends and family in the festival village.
- Chip timing
- Enter online
- Age 18 & over
- 42.2 km trail running
- Sun 24 May 2026
- £40-£42
Get the Hull out of Here | 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 18 & over
- 26.2 miles trail running + 66 ft ascent
- Sun 24 May 2026
- £17-£34
Dun Holm Challenge - Day 4 | Marathon
Come and join in for Day 4 of The Dun Holm Challenge!
- Enter online
- Age 18 & over
- 26.2 miles trail running + 72 ft ascent
- Sun 24 May 2026
- £82
Edinburgh Marathon
Fast, flat and beautifully scenic with Edinburgh Castle as the backdrop, this marathon route takes you along the coastline and sells out every year so go for it and enter!
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Relay
- Age 18 & over
- 26.2 miles road running + 165 m ascent
- Sun 24 May 2026
- £176
Edinburgh Marathon Team Relay
The relay is a chance for a team of four to join forces and complete the Edinburgh Marathon. The 26.2 miles is split into four legs, each runner will run one leg plus you'll receive matching medals!
- Chip timing
- Enter online
- Flat
- PB
- Traffic free
- Relay
- Age 15 & over
- 26.2 miles road running + 165 m ascent
- Mon 25 May 2026
- £17-£34
Dun Holm Challenge - Day 5 | Marathon
Come and join in for the 5th of final day of The Dun Holm Challenge!
- Enter online
- Age 18 & over
- 26.2 miles trail running + 72 ft ascent
- Sun 31 May 2026
- £55
Lake District Running Festival | Grasmere Gallop 42km Trail Run
A 42K trail run as part of the Lake District Running Festival in an iconic location with a grandstand finish, wooden medal, free event photos and, more importantly, cake...
- GPS tracking
- Mountainous
- Age 18 & over
- 42 km trail running + 1905 m ascent
- Sun 3 May 2026
Eau Claire Marathon | Eau Claire Marathon
- 26.2 miles road running
- Sun 3 May 2026
Tempo Trail Races | Marathon
- 26.2 miles trail running + 1743 ft ascent
- Sun 3 May 2026
Three Forts Challenge | Marathon
- 26.2 miles multi terrain running + 3195 ft ascent
- Sat 9 May 2026
Radyr Trail Races: Half Marathon and Marathon | Marathon
- 26.2 miles trail running
- Sun 10 May 2026
TotalEnergies Vitoria Gasteiz Marathon Martin Fiz | Marathon
- 42 km road running + 137 m ascent
- Sun 10 May 2026
Hardmoors 26.2 White Horse Trail Marathon | Marathon
- 29 miles trail running + 3400 ft ascent