Date
Sat, 18 Sept 2027
Venue
Trailrun.be headquarters, Warempage 8F, 6983 Ortho, La Roche-en-Ardenne
Ortho, Marche-en-Famenne
Countdown
September
A half-marathon distance on mostly off-road trail, with 766 m of climbing. Lumpy rather than brutal, and a good step up from the shorter runs.
Key facts
01Access for non-members was limited from 2026, so check your entry status
Create a free training plan for the Trail Festival du Barrage 21 km
7-day free trial, no card required
The course
The route
Ortho
Distance21km
Total climb766m
StartElevation
0 kmDrag map to rotate21.5 km
Weather
Mid-September, Ortho
18°CTypical high
9°CTypical low
2°CColdest in 20 years
39%Days with rain
Highs around 18°C and lows around 9°C, but it has dropped to 2°C. Rain on 39% of days.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01Elfriede HEERWEGH02:16:279.3 km/h
02Claire VERHAMME02:19:379.1 km/h
03Myrthe MULDER02:24:438.8 km/h
42
Women finishers
2:58:26
Median time
7.1 km/h
Median speed
Women · 2026 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
Training
Training for the Trail Festival du Barrage 21 km
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 Trail Festival du Barrage 21 km plan targets
Typical sessions
21 km with 766 m of climbing
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 Trail Festival du Barrage 21 km plan.
7-day free trial, no card required.
Other races at Trail Festival du Barrage
