Experience the 7th edition of the Tro Lenn, an exhilarating race that takes place around Guerledan Lake on the first weekend of October. This year's event will start from the center of Mur de Bretagne, a commune within Guerledan (marked in the town). The gravel course offers distances of 45/75/100/130 kilometers, all guided by GPS technology. Online registrations are open until Thursday, October 1, 2026, at 11:00 PM via KLIKEGO. For VTT and walking enthusiasts, there will be shorter routes of 25/40 kilometers for bikes and 8/12 kilometers for walkers. Participants can register on-site the day before the event and enjoy a complimentary drink, saucisse galette, and goodies upon completion. The gravel course results will be emailed to participants by Saturday, October 3, 2026, at 9:00 AM. For all the latest details, follow Tro Lenn's Facebook page. Should you have any questions, feel free to contact celti.bike@gmail.com. Join us for a race that promises stunning views of Guerledan Lake and challenging yet rewarding terrain. Whether it’s your first time or an annual tradition, this event offers the perfect blend of nature and competition in one of France's most picturesque regions.
Races Offered
Chemin des sangliers
Oct 04, 2026
straighten
Distance —
130 km
terrain
Type —
Running
timer
0 days remaining
sell
€16.20
La vallée engloutie
Oct 04, 2026
straighten
Distance —
75 km
terrain
Type —
Running
timer
0 days remaining
sell
€16.20
Le tour du Lac
Oct 04, 2026
straighten
Distance —
45 km
terrain
Type —
Running
timer
0 days remaining
sell
€16.20
Route des miniers
Oct 04, 2026
straighten
Distance —
100 km
terrain
Type —
Running
timer
0 days remaining
sell
€16.20
Weather History
These values represent the 3-year monthly averages for October in Mur de bretagne.
thermostatTemperature
9.6° / 16.7°
wb_sunnyFeels like
7.0° / 14.1°
light_mode
Avg sunshine hours
6h 39m
water_drop
Avg rainfall
3.1 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
13.6 km/h (Gentle breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Low (2.8)
humidity_mid
Humidity
84.9%
wb_twilight
Sunrise
08:33
nightlight
Sunset
19:21
Hotels & Places to Stay
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