A scenic 31km loop through Sai Kung's UNESCO Geopark and pristine beaches
The Third is a spectacular 31km loop through the heart of the Sai Kung Peninsula, tracing the Maclehose Trail past High Island Reservoir and its UNESCO Global Geopark coastline, over coastal hills with sweeping sea views, across remote beaches at Long Ke and Ham Tin, through ancient villages, and finishing with a panoramic climb to Tai Cham Koi (408m). A challenging but accessible introduction to the wider Hong Kong 100 course.
Some ultra experience recommended
Sai Kung, New Territories, Hong KongJanuary 21, 2027
Hong Kong 100 The Third is a loop trail race in Sai Kung, New Territories, Hong Kong, held on January 21, 2027. The course covers 34 km, climbs 1,558 m, and has a 10h cutoff.
This edition has its own course and we haven't mapped it yet. The interactive map, elevation profile and aid stations will appear here once the route is confirmed.
We do have the 2026 route on file. We aren't showing it here, because a race's course — and sometimes its finish line — can move between editions, and a stale map is worse than no map.
Aid stations for this edition aren't published yet. They'll appear here once the route is confirmed.
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