International Historic Racing Organisation · Since 1980
Historic racing.
Pure passion.
Classic Grand Prix motorcycles, legendary European circuits and close racing between riders who keep motorsport history alive.
About IHRO
Racing history
in motion.
IHRO brings riders and enthusiasts together to race historic motorcycles as they were meant to be experienced: at speed, on track.
The International Historic Racing Organisation preserves the spirit of classic motorcycle competition. Our paddock combines authentic machines, international friendship and serious racing at some of Europe’s most iconic circuits.
2027 Championship
The new season
starts here.
IHRO returns to some of Europe’s great racing circuits in 2027. Eight race meetings are planned across Germany, the Netherlands, Belgium and beyond.
Become part of the grid
Race with IHRO.
Do you race a suitable historic motorcycle and want to compete at classic race meetings across Europe? Discover the IHRO regulations and enter one of our 2027 events.
From the 2026 season
Hockenheim
Three classic racers side by side during the final meeting of the 2026 IHRO season.
- #21 Jan Frank Bakker · ABSAF
- #4 Ed Tieleman · Norton Manx
- #33 Niels Gerritsen · Honda CB500 Four
Explore IHRO
More than racing.
Meet the riders, follow the latest stories from the paddock and discover motorcycles and parts offered by the IHRO community.
International Historic Racing Organisation
Keep racing history alive.
Whether you want to race, visit an event or simply learn more about IHRO, you are welcome to become part of our international historic racing community.