Photo: © Portumna Forest MarathonMARATHON50K21K10K
Portumna Forest Marathon
Portumna, IrelandChoose the distanceTap a distance: the course, fees, times and rules below update for that race.
Multiple laps
At a glance
Portumna Forest Marathon 2027 takes place on 12 June 2027 in Portumna, Ireland. Distances: 50 km, 42.195 km, 21.098 km, 10 km. Start at 08:00 from Portumna Forest Park, parcheggio principale.
- Date
- Saturday, 12 June 2027
- Location
- Portumna, Ireland
- Start
- Portumna Forest Park, parcheggio principale
- Distances
- 50 km · Competitive
- Marathon · 42.195 km · Competitive
- Half marathon · 21.098 km · Competitive
- 10 km · Competitive
- Start times
- 50 km 08:00 · Maratona 09:15 · Mezza maratona 10:00 · 10 km 09:00
- Registration
- Registration open · Register now ↗
- Official website
- forestmarathon.com ↗
Last updated: 19 October 2026
The race
The Portumna Forest Marathon takes place on Saturday 12 June 2027 in Portumna Forest Park, County Galway, on a flat 5 km loop of tarmac roads and compacted gravel paths.
The 50 km starts at 8:00 (cut-off 8 hours), the 10 km at 9:00, the marathon at 9:15 (7 hours) and the half at 10:00 (4 hours). Walkers and wheelchairs are welcome, from age 18.
Rules and requirements
Minimum age18 years
Time limit8 h
Where it is
Portumna · Ireland© OpenStreetMap · OpenFreeMap
Race-day weather
12 JUN 2027 · average of the last 10 years (2017–2026)Rain is common
Temperature on race day
11°● At the start 13°18°
Low / high11° / 18°At the start (08:00): 13°
Rain2.8 mmRain on 59% of days
Wind20 km/h
Sunrise05:06
