USPHS (US Public Health Service)
2015/2016
| Athlete | Age | Location | Country | Season | |
|---|---|---|---|---|---|
| Stephen Hewitt | 49 | Potomac, MD | USA | 1,343,564m | |
| Mark Freese | 60 | Round Pond, ME | USA | 20,000m |
| Athlete | Age | Location | Country | Season | |
|---|---|---|---|---|---|
| Stephen Hewitt | 49 | Potomac, MD | USA | 1,343,564m | |
| Mark Freese | 60 | Round Pond, ME | USA | 20,000m |
