Marathons in United Kingdom
400 upcoming races are listed in United Kingdom, including 79 marathons, 207 half marathons and 152 ultras. The next is 13 Valleys Ultra 180km - 184km on September 25, 2026.
October has the most races, and a typical entry costs £30–66. Race pages link the official source where we have one. Confirm dates and prices with the organizer before you register.
400
Races listed
79
Marathons
October
Busiest month
£30–66
Typical entry
17 Jun
Last updated
| Date | Race | City | Distances | From |
|---|---|---|---|---|
| 25 Sep 2026 25Sep 26 | 13 Valleys Ultra 180km - 184km | - | 180K · 184K | - |
| 25 Sep 2026 25Sep 26 | Ochil Ultra | - | Ultra | - |
| 26 Sep 2026 26Sep 26 | 5 Valleys Ultra 55km - 58km | - | 55K · 58K | - |
| 26 Sep 2026 26Sep 26 | 7 Valleys Ultra 110km - 110km | - | 110K | - |
| 26 Sep 2026 26Sep 26 | Battersea Park 10K & Half Marathon September | - | 21.1K · 10K | - |
| 26 Sep 2026 26Sep 26 | Cheshire Ring Ultra 100 Mile - 164K | - | 164K | - |
| 26 Sep 2026 26Sep 26 | Guardians of the CODRC | - | 21.1K | - |
| 26 Sep 2026 26Sep 26 | Kelpies Half Marathon | - | 21.1K | - |
| 26 Sep 2026 26Sep 26 | Sampford Half & 10K | - | 21.1K · 10K | - |
| 27 Sep 2026 27Sep 26 | Barns Green Half Marathon, 10K & 5K | - | 21.1K · 10K · 5K | - |
| 27 Sep 2026 27Sep 26 | Barnstaple Marathon, Half Marathon & 10K | - | 21.1K · 10K | - |
| 27 Sep 2026 27Sep 26 | Baxters Loch Ness Marathon | Inverness | 42.2K · 10K · 5K | £72.99–£74.99 |
| 27 Sep 2026 27Sep 26 | Castle Race Series Hever | - | 42.2K | - |
| 27 Sep 2026 27Sep 26 | Ealing Half Marathon 2026 | - | 21.1K | - |
| 27 Sep 2026 27Sep 26 | Folkestone Rotary Half Marathon | - | 21.1K | - |
| 27 Sep 2026 27Sep 26 | Forest Of Dean Autumn Half Marathon | - | 21.1K | - |
| 27 Sep 2026 27Sep 26 | Great Scottish Run Glasgow | Glasgow | 21.1K · 10K | £30–£55 |
| 27 Sep 2026 27Sep 26 | Run Aintree 5K, 10K & Half Marathon September | - | 21.1K · 10K · 5K | - |
| 27 Sep 2026 27Sep 26 | Swindon Half Marathon | - | 21.1K | - |
| 27 Sep 2026 27Sep 26 | The One On The Trail Marlow | - | 21.1K · 10K · 1K | - |
| 27 Sep 2026 27Sep 26 | Wensum Way Trail | - | 21.1K | - |
| 27 Sep 2026 27Sep 26 | Windsor Half Marathon | - | 21.1K | - |
| 28 Sep 2026 28Sep 26 | Panther Takes The Hindmost | - | Ultra · 18 Laps · 14 Laps | - |
| 29 Sep 2026 29Sep 26 | Sidley London Revolution Trails | - | Ultra · 42.2K · 21.1K | - |
Go a level deeper
Links go down the map, not sideways. Each region and city has its own page of races.
Regions
Cities
Common questions
When is the next race in United Kingdom?
13 Valleys Ultra 180km - 184km on September 25, 2026. The table above lists every upcoming race in date order.
Which months are busiest in United Kingdom?
October (96), November (70), April (48), counting every upcoming race listed in United Kingdom.
Which distances can I run in United Kingdom?
The listed races include 79 marathons, 207 half marathons, 152 ultras, 88 10Ks and 47 5Ks. Many events offer more than one distance on the same day.
How do I confirm a race’s details?
Open the race page and check its provenance ledger, which shows where each fact came from. Then confirm the date, price and entry rules with the organizer before you register or book travel.
Spotted something wrong on this page?
Dates and prices move · tell us and we check the organizer’s source