One of the 50 best overseas ultras
Trail Running Magazine, 2016
2 - 4 June 2023
RUN - JOG - WALK
Registration opens in October 2022
Carpathian Mountains, Romania
100km - 3 days - supported
100km solo
Teams (42km + 8km / 50km + 8km)
Marathon XFun (42km + 8km)
Fun Run (8km)
Embark on an adventure
Ultrabug is a 100km 3-day, fully supported ultra marathon through the winding mountain footpaths, mineral water streams and remote culture rich villages in the Carpathian Mountains, Romania.
It is suitable for all fitness levels and is a great first time ultra.
You can take part as a solo runner or in a team of two. Those who are not ready to cover the full 100km, can do Marathon XFun (42km + 8km) or just the Fun Run (8km)
Need iTRA points?
Ultrabug ultra marathon
will earn you 3 iTRA points as a 100 km solo finisher
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