DateExpected
Early June 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Glentress Forest, Peebles, Scotland
Peebles, Scottish Borders
Countdown
June
Run as many 4.4-mile forest loops as you can in eight hours. Each lap climbs 253 m, so it's about pacing and staying fuelled, not one big push.
Key facts
01A final lap can start up to 7:59:59 and must finish by 9:00:00 (2026 rules)
02Timed laps: your result is the number of loops completed in 8 hours
Create a free training plan for the Glentress 8-hour Challenge
7-day free trial, no card required
The course
One lap, on repeat
Peebles · one lap
Total climb253m
Duration8hr
Start · finishOne lap · elevation
0 kmDrag map to rotate7.0 km
Weather
Early-June, Peebles
15°CTypical high
7°CTypical low
2°CColdest in 20 years
50%Days with rain
Highs around 15°C and lows around 7°C, but it has dropped to 2°C. Rain on 50% of days.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
OrganiserNU Limits Running Ltd (Fraser Gorn)
Instagram@nulimitsrunning
Training
Training for the Glentress 8-hour Challenge
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Glentress 8-hour Challenge plan targets
Typical sessions
A sustained 8hr effort
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Back-to-back weekend runs for fatigue resistance
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Glentress 8-hour Challenge plan.
7-day free trial, no card required.
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