Arizona Monster 300 champion
Won the 308.6-mile race in 82:49:45 and lowered the course record.
Source-checked athlete record · Updated Aug 17, 2026
Michael McKnight
Arizona Monster 300 course-record holder and 200-mile specialist
Michael McKnight is an American 200-mile specialist, 2023 Cocodona champion, and 2026 Arizona Monster 300 winner and course-record holder.
🇺🇸 United StatesSmithfield, UtahM35–39
The record so far
Michael McKnight is an American ultrarunner based in Smithfield, Utah, whose strongest results have come in 200-mile-plus mountain races. His record includes victories at Cocodona, Moab, Bigfoot, and the Arizona Monster 300.
In 2019, McKnight became the first runner to win Tahoe 200, Bigfoot 200, and Moab 240 outright in one season. His combined time of 162:00:51 established a Triple Crown benchmark that has since been surpassed.
McKnight won the 2023 Cocodona 250 in 69:41:31. In 2026 he added the Arizona Monster 300 title, covering the 308.6-mile route in 82:49:45 to establish a new course record, before completing his fifth consecutive Cocodona later that spring.
Defining performances
↗
Cocodona 250 champion
Won the point-to-point Arizona race in 69:41:31.
Triple Crown of 200s sweep
Won Tahoe, Bigfoot, and Moab outright in one season, finishing the series in a then-record 162:00:51.
Bigfoot and Moab champion
Returned to win Bigfoot 200 in 57:58:22 and Moab 240 in 55:49:58.
Performance history
| Date | Event | Performance | Result | Source |
|---|---|---|---|---|
| Cocodona 250250-mile trail | 70:21:30 | 9th man · 13th overall | View ↗ | |
| Arizona Monster 300308.6-mile trail | 82:49:45 | Winner · Course record | View ↗ | |
| Coldwater Rumble60 km trail | 4:58:59 | 2nd overall | View ↗ | |
| Cocodona 250250-mile trail | 71:56:52 | 8th man · 9th overall | View ↗ | |
| Tahoe 200206-mile trail | 56:01:29 | 2nd overall | View ↗ | |
| Cocodona 250250-mile trail | 69:41:31 | Winner | View ↗ | |
| Moab 240238-mile trail | 55:49:58 | Winner | View ↗ | |
| Bigfoot 200206-mile trail | 57:58:22 | Winner | View ↗ |
Related coverage
Runner directory
More athlete records
Mark DowdleBackyard specialist and 2026 Arrowhead 135 championHendrik 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 winner