DateExpected
Early July 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Mairie–salle des fêtes de Trédias, Trédias
Trédias, Côtes-d'Armor
Countdown
July
The middle option at Trédias: 12 km with 350 m of climbing, enough ups and downs to feel like a proper trail without going long.
Key facts
01Open from the Cadet category upwards
Create a free training plan for the TBR - Trail Breizh Reder 12 km
7-day free trial, no card required
The course
The route
Trédias
Distance12km
Total climb350m
StartElevation
0 kmDrag map to rotate12.1 km
Weather
Early-July, Trédias
21°CTypical high
13°CTypical low
9°CColdest in 20 years
38%Days with rain
Highs around 21°C and lows around 13°C, but it has dropped to 9°C. Rain on 38% of days.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01BONNEFOIS LUCIE01:12:2010.0 km/h
02BARBRY STEPHANIE01:14:479.6 km/h
03LE GAC JEANNIE01:15:399.5 km/h
29
Women finishers
1:36:16
Median time
7.5 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
OrganiserAssociation Breizh Reder
Running since2017
Training
Training for the TBR - Trail Breizh Reder 12 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 TBR - Trail Breizh Reder 12 km plan targets
Typical sessions
12 km with 350 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 TBR - Trail Breizh Reder 12 km plan.
7-day free trial, no card required.
Other races at TBR - Trail Breizh Reder
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Grand Raid du Guillestrois-QueyrasFri, 2 Jul 2027 · Guillestre→Grand Trail de la Vallée d'OssauExpected Early July 2027 · Laruns→Grand Trail du CanigóExpected Early July 2027 · La Bastide→Les CopainsSat, 3 Jul 2027 · Ambert→Luchon Aneto TrailExpected Early July 2027 · La Rochelle→MB RaceSat, 3 Jul 2027 · Megève→
