In the even years the Rattlesnake Ramble course goes up the Eldorado Trail first and then out the Fowler Trail.
| Name | Date and Time | |
|---|---|---|
| 2014 Rattlesnake Ramble | Saturday, September 13, 2014 6:00AM (MDT) | 104 entrants |
| 2012 Rattlesnake Ramble | Saturday, September 15, 2012 8:00AM (MDT) | 109 entrants |
| 2010 Rattlesnake Ramble | Saturday, September 18, 2010 8:00AM (MDT) | 89 entrants |
| 2008 Rattlesnake Ramble | Sunday, September 21, 2008 8:00AM (MDT) | 62 entrants |
| 2006 Rattlesnake Ramble | Saturday, September 16, 2006 8:00AM (MDT) | 58 entrants |