Marathons in UK in May 2026
Find 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.
Filter by place
London
South East
South West
East of England
East Midlands
West Midlands
Yorkshire
North East
North West
Scotland
Wales
Northern Ireland
Everywhere
Filter by date
This week
This weekend
Next week
Next weekend
Apr
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Spring
Summer
Autumn
Winter
All dates
Filter by category
MapEvent listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Fri 1 May
- £15-£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.
- 26.2 miles trail running
- Sat 2 - Mon 4 May
- £7-£75
Mid Sussex Marathon Weekend
Be part of the action! The Mid Sussex Marathon Weekend returns for it’s 15th year in 2026. This unique sell-out Bank Holiday weekend event has something for everyone.
- 10 miler 2
- 10K run
- Marathon 2
- Fun run 6
- Multi-terrain run
- Sat 2 May
- £40-£42
May the Fourth be with you (original) | Marathon
Take on a stunning, two-lap, trail marathon challenge across the Shropshire Hills, with epic scenery, and a rewarding finish earned mile by mile.
- 26.2 miles trail running + 4948 ft ascent
- Sun 3 May
- £49
Three Forts Challenge | Marathon
Welcome to the best running event for miles! Run rolling South Downs trails, climb rewarding hills, and take in sweeping coastal views in a scenic, spacious marathon. Run with heart. Run the hills.
- 26.2 miles multi terrain running + 3195 ft ascent
- Mon 4 May
- £15-£27
Bank Holiday Madness May | Marathon
Come and join the day of running and aim to complete a midweek marathon within the 7-hour time limit on a scenic course then receive a fantastic medal and goody bag at the finish!
- 26.2 miles trail running
- Mon 4 May
- £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.
- 26.2 miles road running + 938 ft ascent
- Sat 9 May
- £53-£55
Magna Carta Summer | Marathon
The Magna Carta Marathon is based in scenic Runnymede right near the historic site where the treaty of Magna Carta was agreed by King John of England and signed on 15th June 1215.
- 26.35 miles trail running + 150 ft ascent
- Sun 10 May
- £15-£35
The Spring Lucky Dip Run
Come and join the Spring Lucky Dip Run! There is no set medal for this race; instead, you will get to choose your own from a selection of medals from past events!
- Trail run
- 5K run
- 10K run
- Half marathon
- Marathon
- + 3 more races
- Sun 10 May
- £40
Something Wild Festival | Marathon
A stunning but tough marathon trail race taking in the South West Coast Path for runners of all abilities with chip timing and eco medals for all, as part of the festival weekend!
- 26.2 miles trail running + 3747 ft ascent
- Sun 10 May
- £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.
- 26.6 miles multi terrain running + 1743 ft ascent
- Sun 10 May
- £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.
- 26.2 miles road running + 1247 ft ascent
- Sat 16 May
- £15-£35
Rocky at 50 Run
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 16 May
- £40-£42
The Shindig in the Shire | Marathon
Push your limits on a historic marathon trail run through Ironbridge Gorge with scenic views, testing climbs, and a rewarding finish with great food, drink, and well-earned bling.
- 26.2 miles trail running
- Sat 16 May
- £139
Weymouth Trail Marathon
Take on the ‘classic Jurassic’ scenery, coastal sights and tough climbs of this marathon-distance challenge along the stunning coastal path whilst enjoying full support along the way.
- 42 km trail running + 1100 m ascent
- Sat 16 May
- £26-£28
Lincolnshire Run | Marathon
Welcome to a 6-hour timed running event where you can run a marathon within the 6-hour limit, on a flat out-and-back route, with fuel stations each lap, and a medal and goody bag at the finish.
- 26.2 miles trail running + 264 ft ascent
- Sun 17 May
- £37.50-£39.50
SoBo Series | Volume 3 | Good Vibrations
Set along the beachfront promenade at Southbourne (SoBo), choose your own distance from 5K to ultra, along this flat, tarmacked, lapped route suitable for all abilities.
- 7 hrs road running
- Sun 17 May
- £33-£38
The Birthday Run | Full Marathon
Zig Zag Running is 6 years old this month so why not come along and celebrate?! You are promised lots of cake!
- 26.2 miles multi terrain running + 496 ft ascent
- Thu 21 May
- £17-£29
Dun Holm Challenge | Day 1 | 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 marathon is for you! Durham-themed medals too.
- 26.2 miles trail running
- Fri 22 May
- £17-£29
Dun Holm Challenge - Day 2 | 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 marathon is for you! Durham-themed medals too.
- 26.2 miles trail running
- Sat 23 - Sun 24 May
- FREE-£176
Edinburgh Marathon Festival
Experience Edinburgh's festival of running on Bank Holiday weekend! With nine distances on offer there's something for everyone - come and smash your PB at the marathon, previously voted UK's fastest!
- Marathon 2
- Half marathon
- 10K run
- 5K run
- Fun run 4
- Sat 23 May
- £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.
- 26.2 miles trail running + 1312 ft ascent
- Sat 23 May
- £22-£34
Catch Me If You Can | Northampton | Marathon
Run it your way, from 5k to ultra, at your own pace, on a looped scenic Northampton trails. Inclusive, flexible, and rewarded with an amazing medal every time.
- 26.2 miles trail running
- Sat 23 May
- £17-£29
Dun Holm Challenge | Day 3 | 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 marathon is for you! Durham-themed medals too.
- 26.2 miles trail running
- Sat 23 - Sun 24 May
- £139
Sussex Marathon
Part of the London 2 Brighton Ultra weekend, run, jog or walk from Turners Hill through wonderful Sussex countryside up & over the testing South Downs before coastal views to Brighton Racecourse.
- 42 km trail running + 700 m ascent
- Sun 24 May
- £22-£34
Slow and Steady Wins The Race | Northampton | Marathon
Walk, jog or run a marathon distance on a flat, traffic-free, looped route, enjoy stunning Washlands trails, and earn a well-deserved medal and goody bag.
- 26.2 miles trail running