Distance
Climb
Start Time
Cutoff
Terrain
Difficulty
The longest race of the series covers 160 km with 6,300 m of climbing and carries a 100M UTMB index. It does not take place in the 2027 edition and returns in 2029.
Lakes and castles of the Hautes Fagnes
Forest singletrack and ski slopes around Ovifat
Start and finish at the Ovifat ski piste
House beer brewed for the GTLC
Race distances from 2 km to 87 km
Start / Finish
Ovifat ski piste, Waimes, Belgium
Ovifat ski piste, Waimes, Belgium
Terrain
Route
Race Day
What to bring
Bag intended for carrying mandatory equipment during the race
Phone
Cup of at least 15 cl
At least 1 litre of extra water
Headlamp
Spare battery for headlamp
Survival blanket minimum 1.40 x 2.0 m
Sufficient food reserve for autonomy adapted to the course
Rain jacket
Clothing suitable for weather conditions (sun, rain, cold, snow)
Identity card or passport
What you get
GTLC house beer
Official event eShop
On the day
Merchandise
Other questions
Le Grand Trail des Lacs & Châteaux Summer is scheduled for 15 and 16 May 2027, with start and finish at the Ovifat ski piste.
No. The 160 km race with 6,300 m of climbing comes back in 2029. The other distances are organised as normal in 2027.
The programme includes the GT85 at 87 km, the GT42 at 47 km, the GT21 at 21 km, the GT11 at 11 km, the GT2 at 2 km and the TRI+ at 8.59 km.
The page lists no mandatory qualification. The courses are graded by UTMB index categories (100M, 100K, 50K and 20K), and the Summer rules set out the entry conditions.
Positive gain runs from 93 m on the GT2 to 3,370 m on the GT85, with 520 m on the GT11, 750 m on the GT21, 1,888 m on the GT42 and 6,300 m on the GT160 when it is on the programme.
Entry fee not listed
Check the race's registration page for pricing.Waimes, Belgium
Saturday, May 15, 2027
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