GTH MOUNTAIN FESTIVAL
Registration open
Ultra

GTH MOUNTAIN FESTIVAL

18–19 Dec 2026
Paiania, 🇬🇷 Greece
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About this event

The GTH Mountain Festival explores Mount Hymettus, the historic ridge overlooking Athens that has drawn hikers and runners for centuries. The flagship 103km route circumnavigates the entire mountain massif through a night-to-day journey, weaving between technical singletrack and forest roads with 5,400 metres of climbing. Three shorter distances (11km, 22km, and 37km) offer accessible entry points to this rugged terrain just minutes from the Greek capital. Starting from Paiania on a December evening, runners experience Hymettus in its quieter winter season, when the Mediterranean light plays across ancient trails and the distant city lights create a striking backdrop.

Distances

11 km

Intermediate
11km
Distance
565m
D+
Free

22 km

Intermediate
22km
Distance
1400m
D+
Free

37 km

Advanced
37km
Distance
2180m
D+
Free

103 km

Expert
103km
Distance
5400m
D+
Free

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Price

Free

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Race data from ITRA