2025 Gran Fondo National Series

Thunderbolts Adventure

April 26 - April 27 2025
Gloucester Australia
Date Confirmed
 
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Distances: 105, 125 km
Difficulty: Moderate terrain with rolling short steep hills or moderate, sustained climbs

The Thunderbolts One-Day Monument – Are You Ready to Send It?

Back in 2017, a frothing pack of 40-odd legends lined up for the first-ever Thunderbolts Adventure—a beast of a ride spanning 230km of rugged gravel and 5,000m of lung-busting elevation. It was wild, it was brutal, and it was unforgettable.

Now, in 2025, The Monument is BACK. Whether you’re here to race it all-out or just survive to tell the tale, this is the ultimate test of grit, gravel, and guts in the toughest one day gravel event in Australia. 

 Thunderbolts Adventure

 
Start Located At: Gloucester, Australia
 
 
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Apr 26 2025 - EVENT: Thunderbolts Adventure