Leap Year Rides
Leap Year 1000
Leap Year 1600K
Leap Year 2600K
Leap Year BBG
Iron Butt Logo

Version No. 1.4
Date last revised: January 30, 2024

2024, Iron Butt Association, Sheridan, Wyoming
Please respect our intellectual property rights.  Do not distribute this document or portions therein, without the written permission of the Iron Butt Association.


It only happens every four years!  Special certificates will be awarded to commemorate the day.

AnySS1000, SS1600K, SS2500K or Bun Burner Gold 1500 ride is acceptable for these certificates.

Documentation:  See here.


DBR - Dated Business Receipt

A DBR is a machine generated receipt with the date, time and LOCATION on it.  Check it - do not assume it is correct.  A receipt with an incorrect time/date/location is worthless.  Check and re-check.

Fees:  Normal fees apply


The ride must be completed in less than 24 hours.  At least one DBR must show on February 29th.

Regular SaddleSore abd Bun Burner rules apply

Your official time is determined by the starting and ending receipts.  PLEASE check these documents and make sure the clock and date are correct!

Spotwalla.com is strongly recommended but not required.


There is no additional merchandise for this ride.