It is recommended that each rider, before attempting an IBA ride for the first time, reads the "Archive of Wisdom" - 28 tips on safe long distance riding compiled by experienced IBA riders.
The official IBA Rules for these SaddleSore rides rides may be found at: http://ironbutt.com/ridecerts/getdocument.cfm?DocID=1
SS1000 in 24 hours, SS2000 in 48 hours, SS300 in 72 hours, SS4000 in 4 days, SS5000 in 5 days, SS6000 in 6 days, SS7000 in 7 days, SS8000 in 8 days, SS9000 in 9 days.
The SS1000 is the most common ride, as it is the entry level ride into IBA long distance riding.
The SaddleSore rides are also available in the metric equivalents, but including the K after the number: SS1600K, SS2000K (both in 24 hours); and various other kilometre distance rides are ridden around the world.
Basically, rides in UK are done in MILES , and rides in Europe may be done in either MILES or KILOMETRES .
1000 miles in less than 24 hours
SaddleSore 1000 guidlines. 
Verification Forms.
1600 Kilometres in less than 24 hours
SaddleSore 1600k guidlines. Verification Forms.
2000 Kilometres in less than 24 hours
SaddleSore 2000k guidlines.
Verification Forms.
2000 miles (3220 kilometres) in less than 48 hours
SaddleSore 2000 guidlines.
Verification Forms.
2000 miles (3220 kilometres) in less than 36 hours
To attempt the Gold varient you should have successfully completed at least a SaddleSore 1000. SaddleSore 2000 Gold guidlines. Verification Forms.
3000 miles (4830 kilometres) in less than 72 hours
To attempt this ride you should of successfully completed either SaddleSore 1000, SaddleSore 1600K, Bun Burner 1500 and Bun Burner 2500K.
SaddleSore 3000 guidlines.
Verification Forms.
5000 miles (8050 kilometers) in less than 120 hours
To attempt this ride you should of successfully completed either Saddle Sore 1000, Saddle Sore 1600K, Bun Burner 1500 and Bun Burner 2500K..
SaddleSore 5000 guidlines. Verification Forms.