Duncan Callahan (M38)
| Race | Date | Distance | Result | Overall | |
|---|---|---|---|---|---|
| 2017 | |||||
| Leadville Trail | 08/19/17 | 100 Miles | 26:13:47 | 76 | |
| 2014 | |||||
| Javelina Jundred | 11/01/14 | 100 Miles | 19:34:43 | 16 | |
| 2011 | |||||
| Hardrock 100 Endurance Run | 07/08/11 | 100 Miles | 30:57:00 | 8 | |
| Moab Red Hot 55k/33k | 02/19/11 | 55 KM | 4:32:54 | 5 | |
| 2009 | |||||
| Sage Burner 50k | 05/23/09 | 50 KM | 4:14:51 | 3 | |
Duncan Callahan (M37)
| Race | Date | Distance | Result | Overall | |
|---|---|---|---|---|---|
| 2017 | |||||
| Silver Rush 50 | 07/09/17 | 50 Miles | 8:56:29 | 23 | |
| 2015 | |||||
| Moab's Alpine to Slickrock | 07/04/15 | 50 Miles | 12:08:38 | 4 | |
| Desert Rats Trail Running Festival | 04/18/15 | 50 KM | 5:22:17 | 6 | |
| Antelope Canyon Ultras | 02/21/15 | 100 Miles | 21:50:02 | 5 | |
| 2014 | |||||
| Leadville Trail | 08/16/14 | 100 Miles | 20:27:20 | 13 | |
| Gunnison 100k Endurance Run | 06/14/14 | 100 KM | 9:57:42 | 1 | |
| Cimarron Endurance Run | 05/04/14 | 50 KM | 3:55:37 | 1 | |
| Desert Rats Trail Running Festival | 04/19/14 | 52 Miles | 7:59:30 | 1 | |
| 2013 | |||||
| Collegiate Peaks | 05/04/13 | 50 Miles | 7:12:50 | 2 | |
| 2012 | |||||
| Rock/Creek StumpJump 50K | 10/06/12 | 50 KM | 4:32:55 | 2 | |
| Run Rabbit Run | 09/15/12 | 100 Miles | 22:36:37 | 5 | |
| Grand Mesa Ultras | 07/28/12 | 50 Miles | 7:20:00 | 1 | |
| Desert Rats Trail Running Festival | 04/21/12 | 50 Miles | 7:44:21 | 1 | |
| 2011 | |||||
| Leadville Trail | 08/20/11 | 100 Miles | 19:11:15 | 9 | |
| San Juan Solstice | 06/18/11 | 50 Miles | 9:54:28 | 7 | |
| Sun Mountain | 05/22/11 | 50 Miles | 6:16:34 | 1 | |
| Collegiate Peaks | 05/07/11 | 50 Miles | 7:34:52 | 4 | |
| Desert Rats Trail Running Festival | 04/16/11 | 50 Miles | 7:38:47 | 1 | |
| Antelope Island Buffalo Run | 03/25/11 | 50 Miles | 6:35:24 | 2 | |
| 2010 | |||||
| Grand Teton Races | 09/04/10 | 100 Miles | 19:03:58 | 2 | |
| Leadville Trail | 08/21/10 | 100 Miles | 17:43:25 | 1 | |
| Bighorn | 06/18/10 | 100 Miles | 21:22:13 | 5 | |
| Sage Burner 50k | 05/29/10 | 50 KM | 4:32:05 | 2 | |
| Desert Rats Trail Running Festival | 04/17/10 | 50 Miles | 8:17:48 | 6 | |
| 2009 | |||||
| Grand Teton Races | 09/05/09 | 50 Miles | 7:33:27 | 1 | |
| Rocky 50 | 02/07/09 | 50 Miles | 6:11:54 | 2 | |
| 2008 | |||||
| Moab Red Hot 55k/33k | 02/16/08 | 55 KM | 4:13:56 | 4 | |
| 2007 | |||||
| Leadville Trail | 08/18/07 | 100 Miles | 20:35:55 | 7 | |
| Desert Rats Trail Running Festival | 04/21/07 | 50 Miles | 7:41:36 | 1 | |
| Moab Red Hot 55k/33k | 02/17/07 | 55 KM | 4:51:00 | 5 | |
Duncan Callahan (M31)
| Race | Date | Distance | Result | Overall | |
|---|---|---|---|---|---|
| 2010 | |||||
| Silver Rush 50 | 07/18/10 | 50 Miles | 6:50:55 | 1 | |
Duncan Callahan (M40)
| Race | Date | Distance | Result | Overall | |
|---|---|---|---|---|---|
| 2008 | |||||
| Sage Burner 50k | 06/07/08 | 50 KM | 3:53:45 | 2 | |
Duncan Callahan (Unknown Age)
| Race | Date | Distance | Result | Overall | |
|---|---|---|---|---|---|
| 2009 | |||||
| Leadville Trail | 08/22/09 | 100 Miles | 18:26:40 | 3 | |
| 24 Hours of Utah | 03/28/09 | 100 Miles | 18:52:00 | 1 | |
| 2008 | |||||
| Leadville Trail | 08/16/08 | 100 Miles | 18:02:39 | 1 | |
| San Juan Solstice | 06/21/08 | 50 Miles | 9:29:33 | 3 | |
