S. Kozul Marathon Finishes
| Year | Event | Finish Time |
| 2012 | St. Louis Marathon | 5:42:59 |
| 2013 | Walt Disney Marathon | 5:38:35 |
| 2013 | Asheville Marathon | 5:51:24 |
| 2013 | St. Louis Marathon | 5:24:52 |
| 2013 | Omaha Marathon | 5:29:10 |
| 2013 | Space Coast Marathon | 5:10:31 |
| 2014 | Walt Disney Marathon | 5:26:17 |
| 2014 | Town of Celebration Marathon | 5:12:59 |
| 2014 | Marine Corp Marathon | 5:22:24 |
| 2014 | Space Coast Marathon | 5:27:45 |
| 2015 | Route 66 Marathon | 4:33:05 |
| 2016 | Texas Marathon | 4:20:05 |
| 2016 | Bataan Death March Marathon | 5:03:55 |
| 2017 | 26.2 with Donna Marathon | 4:10:36 |
| 2017 | Snickers Marathon | 3:58:46 |
| 2017 | Eugene Marathon | 3:53:55 |
| 2017 | Chicago Marathon | 3:59:33 |
| 2018 | Walt Disney World Marathon | 4:45:38 |
| 2018 | Myrtle Beach Marathon | 3:49:00 |
| 2018 | Berlin Marathon | 4:46:22 |
| 2023 | Chickamuaga Battlefield Marathon | 4:09:45 |
| 2024 | OC Marathon | 4:16:12 |
| 2024 | Indianapolis Monumental Marathon | 4:11:51 |
| 2024 | Space Coast Marathon | 4:35:18 |
| 2025 | Rome Marathon | 4:29:39 |
| 2026 | Grandma’s Marathon | 3:56:12 |