Find your race Upcoming Find a Qualifier

Search Dashboard Saved Races Calendar

Helping the trail running community discover, plan for, and thrive at the world's best trail races.

Find Races

Search all trail races
Explore collections
Race series
Race qualifiers
Trail running glossary

Races by Location

Colorado trail races
California trail races
Utah trail races
Arizona trail races
Washington trail races
All US trail races

Lottery Odds

Lottery calendar & calculators

Company

About
Get the app
Roadmap
Terms of service
Privacy policy

Feedback

Send Feedback
Feature Requests
Report a Bug

© 2026 Trailrace.co. All rights reserved.

Built on bad decisions in Boulder, CO.

Hong Kong 100 Ultra Marathon

4 Race Events100K, 100 Mile, 50K, 30K

Hong Kong Trail Racing Limited

Sai Kung, New Territories, Hong Kong

Lottery

Hong Kong 100

Jan 23, 2027

100KCrew

Combo

Hong Kong 100 The Grand Sam

Jan 21, 2027

100 Mile

Lottery

Hong Kong 100 The Half

Jan 22, 2027

50KCrew

Lottery

Hong Kong 100 The Third

Jan 21, 2027

30KCrew