(links open in a new tab)
- Iron Butt Association – US site
- IBA Archive of Wisdom (AOW)
- Fatigue and Motorcycle Touring Dr. Arthur has completed multiple Iron Butt Rallies, as well as a 100,000-mile year, and many other notable and extraordinary LD accomplishments. This man knows his stuff. This is a pdf download
- Iron Butt Association Finland in Finnish of course, but some pages are English…
- Iron Butt Association Benelux
- Iron Butt Association Sweden in Swedish of course!
- Iron Butt Association UK
- Iron Butt Association Ireland
- Iron Butt Association Southern Brazil in Portuguese of course, but some pages are English…
- Iron Butt Association Russian (Russian)
- IBA in Mexico – The Asphalt Rats – Official representatives of the IBA in Mexico