Runs in Wales in Spring

Find runs in Wales in Spring - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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The most beautiful half marathon in North Wales! Flanked by breathtaking views of Snowdonia and the Menai Straits, the beauty and uniqueness of this event is what draws people from all over the UK!

Sun 1 Mar 2026
£9.99-£49.99

Anglesey, Isle of Anglesey, UK

Jones o Gymru Anglesey Half Marathon and 10K

The most beautiful half marathon in North Wales! Flanked by breathtaking views of Snowdonia and the Menai Straits, the beauty and uniqueness of this event is what draws people from all over the UK!

Families
Recycling
Newcomers
Plastic bottle free
Music
Event village
Coast
Free venue entry
Sustainability policy
Public transport links
Plastic-free event
Age 5 & over

Fun run
10K run
Half marathon

Come and get involved in the second St David's Day Dragon Run in the beautiful Dare Valley Country Park in, of course, Wales!

Sun 1 Mar 2026
£16-£35

Aberdare, Mid Glamorgan, UK

St Davids Day Dragon Run

Come and get involved in the second St David's Day Dragon Run in the beautiful Dare Valley Country Park in, of course, Wales!

Families
Newcomers
Event village
Park
All ages

Trail run
5K run
10K run
Half marathon
Marathon
+ 3 more races

The courses are challenging but the event environment is relaxed and friendly. Runners of all abilities can get involved and enjoy a run out on those fabulous trails.

Sat 7 Mar 2026
£18-£20.50

Mold, Clwyd, UK

Loggerheads Trail 5K & 10K

The courses are challenging but the event environment is relaxed and friendly. Runners of all abilities can get involved and enjoy a run out on those fabulous trails.

Families
Newcomers
Dogs allowed
Event village
Park
Age 11 & over

5K run
CaniCross
10K run

A great chance to stretch your legs with this event at the start of the Easter holidays, with a canicross race going off before the main pack. You'll find out distance and route as you run!

Sat 28 Mar 2026
£19

Mold, Clwyd, UK

Moel Famau Easter 'Piece of String' Race

A great chance to stretch your legs with this event at the start of the Easter holidays, with a canicross race going off before the main pack. You'll find out distance and route as you run!

Newcomers
Dogs allowed
Event village
Age 18 & over

Trail run
CaniCross

Gather on the summit of Moel y Parc at over 1300ft and follow the Offa's Dyke National Trail to the coast to finish line on the beach at Prestatyn.

Sun 12 Apr 2026
£33.50

Prestatyn, Clwyd, UK

Summit 2 Sea - The Offa's Dyke Half Marathon

Gather on the summit of Moel y Parc at over 1300ft and follow the Offa's Dyke National Trail to the coast to finish line on the beach at Prestatyn.

Newcomers
Enter online
Hilly
Event village
Rural
Coast
Mountains
Age 17 & over

13.8 miles trail running + 2450 ft ascent

This event gives participants the opportunity to take in a runnable, beautiful route which follows the North Walian coastline between Prestatyn and Bangor.

Sat 25 Apr 2026
£52.50-£90.50

Prestatyn, Clwyd, UK

North Wales 50K & 100K

This event gives participants the opportunity to take in a runnable, beautiful route which follows the North Walian coastline between Prestatyn and Bangor.

Newcomers
Event village
Age 18 & over

50K ultra run
100K ultra run

Didn't get a ballot entry into The London Marathon 2026? Don't panic, come and run with Saturn Running instead!

Sun 26 Apr 2026
FREE-£35

Aberdare, Mid Glamorgan, UK

The Nearly But Not Quite London Marathon - Wales

Didn't get a ballot entry into The London Marathon 2026? Don't panic, come and run with Saturn Running instead!

Families
Newcomers
Event village
All ages

Trail run
5K run
10K run
Half marathon
Marathon
+ 3 more races

The finish line is unique to you: 24 hours after the mass start, the race shall stop and the Solo Runners and Teams furthest South on the National Trail, shall be declared winners.

Sat 9 - Sun 10 May 2026
£95.50-£155.50

Prestatyn, Clwyd, UK

24 Hours South | The Offa's Dyke Ultra

The finish line is unique to you: 24 hours after the mass start, the race shall stop and the Solo Runners and Teams furthest South on the National Trail, shall be declared winners.