19 APRCOST
Newport Wales Marathon
Wales
Event weekend
- Cost
- Character
- Pancake Flat
- Coastal
- Riverside
- City
£59Entry
annual regional distance guide
2026 Marathons in Wales
2026 marathon guide for Wales, built from source-backed race dates, UK region data, route-map coverage, elevation profiles and entry signals where available.
2026 Marathons in Wales coverage
6Dated race pages4Mapped routes2Elevation profiles67%Map coverage
Dated race pages
Featured 2026 marathons in wales
25 APRMAP
Endurancelife Pembrokeshire
Wales
Event weekend
- Map
- Profile
- Character
GPS trace: 1,127 pts / www.endurancelife.com
- Hilly
- Coastal
- Parkland
- Desert
- Ascent
- 1,015 m
- m/km
- 23.1 m/km
5.3%GAP
28 JUNMAP
The Wales Marathon (Tenby)
Wales
Event weekend
- Map
- Cost
- Character
GPS trace: 1,113 pts / www.activitywalesevents.com
- Rolling
- Coastal
- Countryside
- Waterfront
£60Entry
11 JULCOST
Snowdonia Trail Marathon Eryri
Wales
Event weekend
- Cost
- Character
- Mountainous
- Countryside
- Mountain
- Parkland
£62Entry
24 OCTMAP
Snowdonia Marathon
Wales
Event weekend
- Map
- Profile
- Character
GPS trace: 668 pts / www.marathoneryri.com
- Mountainous
- Mountain
- Parkland
- Lakeside
- Ascent
- 786 m
- m/km
- 18.6 m/km
3.3%GAP
07 NOVMAP
The Beacons Ultra, Marathon & Half (Talybont-on-Usk)
Wales
Event weekend
- Map
- Cost
- Character
GPS trace: 784 pts / www.andalievents.com
- Hilly
- Countryside
- Mountain
- Riverside
£60Entry
Related race guides
2026 marathons
All dated marathon race pages in this calendar period.
Wales marathons
All indexed marathon race pages in Wales, across every date.
Wales running races
Every indexed race page in this UK region, across distances and calendar periods.
Marathons
All indexed marathon race pages, including route evidence and ranking filters.
Marathon route maps
Mapped marathon race pages with stored route geometry where available.
2026 Marathons in Wales questions
What 2026 marathons in wales are included?
This guide includes 6 marathon race pages whose latest source-backed race date falls in 2026 and whose source-backed UK region is Wales. Nearby races by radius are not included.
Does this mean every 2026 marathon in Wales recurs every year?
No. Calendar guide pages use the latest published race date for each race page. They do not infer annual recurrence unless that edition date is present.
Which 2026 marathons in wales have route maps?
4 marathon race pages in this guide currently have stored route geometry. Route traces appear only when stored geometry exists.