Go One More Ultra winner
Completed 73 yards to win the Texas backyard race and establish his deepest published backyard performance.
Source-checked athlete record · Updated Aug 17, 2026
Mark Dowdle
Backyard specialist and 2026 Arrowhead 135 champion
Mark Dowdle is an American ultrarunner with a 73-yard backyard best, multiple last-runner-standing wins, and victory at the 2026 Arrowhead 135.
🇺🇸 United StatesSt. Paul, MinnesotaM20s
The record so far
Mark Dowdle is an American ultra-endurance athlete based in St. Paul, Minnesota. His public race record is strongest in backyard ultras, where he progressed from 21 yards at WausaUltra in 2021 to a 73-yard winning performance at the 2026 Go One More Ultra.
Dowdle has also produced results outside the backyard format. In January 2026 he won the foot division of the Arrowhead 135 in 35:48, improving from fourth place at the same winter race one year earlier. His 2025 season included victories at WausaUltra, Last Dot Standing, and Summit Backyard Ultra.
Across five years of published results, Dowdle progressed from regional backyard races to victories over 60 yards and a major winter-ultra title. His record now spans hourly-loop, elimination, and point-to-point endurance formats.
Defining performances
Performance history
| Date | Event | Performance | Result | Source |
|---|---|---|---|---|
| Mid-State MileElimination ultraFinished behind Harvey Lewis after 48:40 of recorded running time. | 258.460 km | 2nd overall | View ↗ | |
| WausaUltra Backyard RaceBackyard ultra | 31 yards | Winner | View ↗ | |
| Go One More UltraBackyard ultra | 73 yards | Winner | View ↗ | |
| Arrowhead 135135-mile winter ultra | 35:48:00 | 1st male foot finisher | View ↗ | |
| Summit Backyard UltraBackyard ultra | 68 yards | Winner | View ↗ | |
| Last Dot StandingBackyard ultra | 64 yards | Winner | View ↗ | |
| WausaUltra Backyard RaceBackyard ultra | 38 yards | Winner | View ↗ | |
| WausaUltra Backyard RaceBackyard ultra | 34 yards | Winner | View ↗ |
Related coverage
Runner directory
More athlete records
Hendrik BouryGerman backyard record holder and elite 48-hour runnerNorman Mascher-AspensjöBack-to-back German 24-hour championMartin StillerGreenLoop winner and Last Soul final-five runnerAyyoub El OsroutiLast Soul assist with front-of-pack road speedHarvey LewisTwo-time Big’s champion and Badwater 135 winnerPhil GoreBackyard world-record holder and 2025 Big’s champion