Overview

The Iron Butt Association (IBA) is a US-based organization dedicated to endurance motorcycle riding with a claimed over 50,000 members world-wide who tout themselves as the "World's Toughest Riders."
One of its more popular slogans is "The World Is Our Playground"

IronButt challenges

Saddle Sore 1000 (SS1000)

Ride 1000 miles within 24 hours.
http://www.ironbutt.com/ridecerts/getdocument.cfm?DocID=1

Bun Burner 1500 (BB1500)

Ride 1500 miles within 36 hours.
http://www.ironbutt.com/ridecerts/getdocument.cfm?DocID=2

Bun Burner 1500 Gold (BBG1500)

Ride 1500 miles within 24 hours.
http://www.ironbutt.com/ridecerts/getdocument.cfm?DocID=3

IronButt Hall Of Fame, Stromtrooper/V-Strom Riders

Note: List is for riders on V-Strom models only, some riders have done IBA challenges on other bikes
Call Sign
Name
IBA#
Motorcycle
Challenge
Actual Length
Date
RandyO
Randy Orvis
9560
DL1000 K7
BBG1500
1550 miles
20-JUN-2009
mcb2
Morgan Bailey
35551
DL650 K8
BB1500
SS1000
SS1000
1538 miles
1060 miles
1080 miles
19-MAY-2012
11-SEP-2010
19-SEP-2009
Bigman73
Yuval Naveh
49537
DL650 L1
SS1000
1098 miles
19-MAY-2012
Wallydog
Clive Chapman
54971
DL650
SS1600K
1661 KM
11-JAN-2013
Put your name/call sign here, with authenticated IBA #, ride type, length & time

References

1. http://en.wikipedia.org/wiki/Iron_Butt_Association