| Race | Time | Place |
| 2019 (Pro) | ||
| SwimRun North Carolina | 26-Oct | |
| Imogene Pass Run | 7-Sep | |
| Ironman Lake Placid | 28-Jul | |
| Challenge Roth | 9:04:45 | 29th pro |
| Sean O’Brien 100k Trail Run | 13:48:09 | 68th |
| 2018 (Pro) | ||
| Ironman Boulder | 9:04:20 | 10th |
| Sean O’Brien 100k Trail Run | 14:12:36 | 71st |
| 2017 (Pro) | ||
| Challenge Aruba Beer Mile | 5:52 | 1st |
| Ironman Louisville | 9:10:12 | 21st |
| Ironman Lake Placid | 9:23:25 | 12th |
| Ironman 70.3 Eagleman | 4:22:25 | 19th |
| 2016 (Pro) | ||
| Ironman Arizona | 8:48:53 | 24th |
| Ironman Vineman | 9:02:18 | 8th |
| Musselman Half-Iron | 4:16:02 | 3rd |
| Ironman North American Championship | 8:16:04 | 33rd |
| 2015 (Pro) | ||
| Ironman Arizona | 8:58:39 | 22nd |
| Ironman Chattanooga | 8:54:59 | 23rd |
| Ironman Mont Tremblant | 9:17:48 | 11th |
| Cayuga Lake Triathlon | 2:10:07 | 1st |
| Musselman Half Iron | 4:27:46 | 6th |
| Ironman Coeur d’Alene (flat tire) | 9:48:28 | 13th |
| 2014 (Pro) | ||
| Ironman Chattanooga | 8:54:45 | 18th |
| Challenge Penticton | 9:11:24 | 9th |
| Cayuga Lake Triathlon | 2:07:36 | 1st |
| Boulder Peak 5150 | 2:07:20 | 20th |
| Ironman Texas | 8:56:46 | 15th |
| Ironman 70.3 US Pro Championship | 4:26:33 | 40th |
| Ironman Los Cabos | 9:13:14 | 13th |
| 2013 (Pro) | ||
| Ironman Lake Tahoe | 9:37:50 | 15th |
| Ironman Lake Placid | 9:08:49 | 7th |
| Musselman | 4:20:51 | 1st |
| Ironman 70.3 Syracuse | 4:25:22 | 6th |
| Keuka Lake Triathlon | 2:08:33 | 3rd |
| Fly By Night Duathlon | 1:21:45 | 2nd |
| Binghamton Bridge Run Half Marathon | 1:16:52 | 11th |
| Skunk Cabbage Half Marathon | 1:20:35 | 6th |
| Ironman Los Cabos | 9:37:26 | 16th |
| 2012 (Pro) | ||
| Leadman Epic 250 | 9:09:53 | 10th |
| Rev3 Cedar Point | 9:15:27 | 14th |
| Cayuga Lake Triathlon | 2:10:31 | 1st |
| Ironman Lake Placid | 9:33:25 | 5th |
| Vestal XX | 1:18:24 | 8th |
| Rev3 Quassy | 4:35:36 | 22nd |
| Leadman 125 | 5:09:46 | 5th |
| 2011 (1st half of year as Amateur, 2nd half of year as Pro) | ||
| Ironman Arizona | 9:09:57 | 34th |
| Soma Triathlon | 4:21:50 | 9th |
| Rev3 Cedar Point | 9:04:08 | 7th |
| Ironman Coeur d’Alene | 9:19:09 | 1st Amateur |
| Ironman 70.3 New Orleans | 3:45:09 | 14th Amateur |
| Great Clermont Triathlon | 2:10:45 | 10th |
| Gator Half Ironman | 4:07:21 | 1st |
| 2010 (Amateur) | ||
| Ironman World Championship | 9:31:21 | 171st |
| Boulder Sunset Triathlon | 2:03:24 | 1st |
| Imogene Pass Run | 2:54:23 | 38th |
| Ironman Coeur d’Alene | 9:27:37 | 5th Amateur |
| American Triple T | 10:01:xx | 8th |
| Wildflower Half Iron | 4:37:08 | 7th Amateur |
| 2009 (Amateur) | ||
| Ironman Arizona | 9:32:23 | 29th Amateur |
| Pumpkinman | 5:10:18 | 1st |
| Ironman Louisville | 9:54:38 | 57th |
| Musselman | 4:32:53 | 5th |
| Wildflower Half Iron | 4:50:21 | 103rd |
| 2008 (Amateur) | ||
| Collegiate National Championships | 2:10:39 | 98th |
| 2007 (Amateur) | ||
| Greater Cleveland Half Iron | 4:52:39 | 9th |
| Cayuga Lake Triathlon | 2:22:47 | 19th |
| Ironman Lake Placid | 10:46:58 | 138th |
| Ironman Coeur d’Alene | 10:59:33 | 228th |
| Collegiate National Championships | 2:11:24 | 127th |
| 2006 (Amateur) | ||
| Cayuga Lake Triathlon | 2:33:19 | 36th |
Collegiate Rowing Highlights (at Cornell University)
-2002 Intercollegiate Rowing Association National Champion, Men’s Varsity Pair, set a course record that stood for 4 years (6:53.76)
-Former World Record holder, Lightweight Men’s Indoor 100-km row (6:54:56)
Doug MacLean, Pro Triathlete 