| Name: | Grant Maughan | |
| Gender: | M | |
| Natonality: | USA | |
| Date | Event | Overall | M | Distance | Time |
|---|---|---|---|---|---|
| 2014 | 2014-12-05 | Coast to Kosci Ultramarathon (246km trail) | 2 | 2 | 246.000 km | 26:56:32 h |
| 2018 | 2018-07-12 | Last Annual Vol-State 500K Endurance Run (500km road) | 1 | 1 | 500.000 km | 94:02:59 h |
| 2022 | 2022-12-02 | Coast to Kosci Ultramarathon (240km trail) | 15 | 11 | 240.000 km | 35:42:16 h |