| 1996 | 19 Apr 26 | Withlacoochee River Trail Marathon | 5K/10K/13.1M/26.2M | Hernando, FL |
| 1997 | 14 May 26 | Prairie Series Day 7 - MN | 5K/10K/13.1M/26.2M | Breckenridge, MN |
| 1998 | 13 May 26 | Prairie Series Day 6 - SD | 5K/10K/13.1M/26.2M | Baltic, SD |
| 1999 | 15 May 26 | Prairie Series Day 8 - ND | 5K/10K/13.1M/26.2M | Wahpeton, ND |
| 2000 | 11 Apr 26 | Serengeti Trail Races | 5K/10K/13.1M/26.2M | Erda, UT |
| 2001 | 17 May 26 | Windermere Marathon | 5K/10K/13.1M/26.2M | Spokane, WA |
| 2002 | 09 May 26 | Prairie Series Day 2 - MO | 5K/10K/13.1M/26.2M | Saint Joseph, MO |
| 2003 | 10 May 26 | Prairie Series Day 3 - KS | 5K/10K/13.1M/26.2M | Hiawatha, KS |
| 2004 | 12 May 26 | Prairie Series Day 5 - IA | 5K/10K/13.1M/26.2M | Sioux, IA |
| 2005 | 11 May 26 | Prairie Series Day 4 - NE | 5K/10K/13.1M/26.2M | South Sioux, NE |
| 2006 | 26 Apr 26 | Whidbey Island Marathon | 5K/10K/13.1M/26.2M | Oak Harbor, WA |
| 2007 | 24 May 26 | Coeur d'Alene Marathon | 5K/10K/13.1M/26.2M | Coeur d'Alene, ID |
| 2008 | 02 May 26 | Texas Switchback Trail Race | 5K/10K/13.1M/26.2M | Johnson, TX |
| 2009 | 08 May 26 | Prairie Series Day 1 - OK | 5K/10K/13.1M/26.2M | Miami, OK |
| 2010 | 02 Aug 26 | Camarillo Marathon | 5K/10K/13.1M/26.2M | Camarillo, CA |