Where We've Been Since 1997
- 1st 1997 Powell – Meeteetse – Thermopolis – Tensleep – Buffalo – Kaycee – Casper (Linear)
- 2nd 1998 Cody – Greybull – Dayton – Clearmont – Gillette – Sundance (Linear)
- 3rd 1999 Dubois – Lander – Jeffery City – Rawlins – Baggs – Saratoga (Linear)
- 4th 2000 Jackson – Pinedale – Farson – Lander – Lander – Shoshone – Thermopolis (Linear)
- 5th 2001 Gillette – Wright – Newcastle – Sundance – (loop to Devil’s Tower ) Sundance – Moorcroft – Gillette
- 6th 2002 Worland – Greybull – Dayton – Buffalo (Kaycee Century) Buffalo – Ten Sleep – Worland
- 7th 2003 Riverton – Thermopolis – Basin – Cody (Yellowstone Century) Cody – Thermopolis – Riverton
- 8th 2004 Kemmerer – Big Piney – Jackson – Alpine – Cokeville – Kemmerer
- 9th 2005 Laramie – Saratoga – Medicine Bow – Casper – Douglas – Wheatland – Laramie
- 10th 2006 Dayton – Buffalo – Ten Sleep – Meeteetse – Basin – Burgess Junction – Dayton
- 11th 2007 Moorcroft – Sundance – Newcastle – Spearfish, SD – Devil’s Tower (century option) Devil’s Tower – Moorcroft
- 12th 2008 Cody – Greybull – Lovell – Red Lodge, MT – Cody – NW College Field Station – Cody
- 13th 2009 Laramie – Walden, CO – Steamboat Springs, CO – Baggs – Saratoga – UW Recreation Camp – Laramie
- 14th 2010 Green River – Kemmerer – Garden City, UT – Cokeville – Mountain View – Manila, UT – Green River
- 15th 2011 Worland – Ten Sleep – Buffalo – Dayton – Burgess Junction – Basin – Worland
- 16th 2012 Jackson – Afton – Montpelier, ID – Alpine – Driggs, ID – (optional century ride) Driggs, ID – Jackson
- 17th 2013 Cody – Powell (optional loop) Powell – Red Lodge, MT – Silver Gate, MT – NW College Field Station – Cody
- 18th 2014 Riverton – Dubois – Jackson – Pinedale – Farson – Lander – Riverton
- 19th 2015 Sundance – Newcastle – Custer, SD – Rapid City, SD – Spearfish, SD – Devil’s Tower – Sundance
- 20th 2016 Sheridan – Buffalo – Ten Sleep – Meeteetse – Basin – Burgess Jct. – Sheridan
- 21st 2017 Cheyenne – Wheatland – Rock River – Saratoga – Laramie – Cheyenne
- 22nd 2018 Afton – Cokeville – Kemmerer – Big Piney – Pinedale – Alpine – Afton
- 23rd 2019 Thermopolis – Basin – Cowley – Red Lodge, MT – Powell – Meeteetse – Thermopolis
- — Cancelled due to COVID
- — Cancelled due to COVID
- 24th 2022 Rock Springs – Flaming Gorge Resort (loop option) – FG Resort – Mountain View – Kemmerer – Farson – Rock Springs
- 25th 2023 Buffalo – Sheridan – Dayton – Antelope Butte Ski Area – Basin – Meadowlark Ski Area – Buffalo
- 26th 2024 Laramie – Walden – Riverside – Baggs – Riverside – Centennial – Laramie