Result History for Dennis Vanderheiden
| Race Name | Race Date | Finish Time | Overall Place | Gender Place | Age | Age Group | Age Group Place |
| 2.4 Mile Wetsuit | 2019-09-08 | 01:10:54 | 13/39 | 6/15 | 60 | 60 - 69 | 2/2 |
| 10K Wetsuit | 2017-09-10 | 03:36:46 | 9/11 | 5/6 | 58 | 50 - 59 | 1/2 |
| 2.4 Mile Wetsuit | 2016-08-14 | 01:15:59 | 8/25 | 3/9 | 57 | 50 - 59 | 3/3 |