How many marathons in the United Kingdom are there?

42Cal currently lists 5 upcoming marathons in the United Kingdom, from September 2026 through May 2027. The list updates automatically as new races are added to the calendar.

When do these races take place?

The next race is in September 2026 and the calendar runs through May 2027. Races are listed by date so the soonest events appear first.

How is this list chosen?

Every entry is an upcoming, non-cancelled race that matches the "Marathons in United Kingdom" criteria, pulled live from the 42Cal database and sorted by date. Past races drop off automatically.

All Collections

Race Collection

Marathons in United Kingdom

There are 5 upcoming marathons in the United Kingdom on the 42Cal calendar, from September 2026 through May 2027. Course elevation gain starts as low as 164 ft, with a median of 394 ft across the field.

Upcoming races

September 2026 – May 2027

Date range

Countries

394 ft

Median elevation

The Races

5 races

Sep 27, 2026

Registration Closed

Loch Ness Marathon

Inverness, Scotland, United Kingdom

Also: 10K, 5K

Brighton Marathon

Brighton, United Kingdom

Also: 10K

Also: Half Marathon, 10K, 5K

See full guide

Compare These Races

Race	Date	Location	Distance	Elevation	Status
Loch Ness Marathon	September 2026	Inverness, United Kingdom	Marathon	310 m	Registration Closed
Brighton Marathon	April 2027	Brighton, United Kingdom	Marathon	120 m	Registration Open
Adidas Manchester Marathon	April 2027	Manchester, United Kingdom	Marathon	50 m	Opening Soon
London Marathon	April 2027	London, United Kingdom	Marathon	55 m	Lottery Only
Edinburgh Marathon	May 2027	Edinburgh, United Kingdom	Marathon	150 m	Registration Open