72-hour world record
Reached 471.631 km at the 72-hour split of the GOMU Six-Day World Championship in Policoro.
Source-checked athlete record · Updated Aug 17, 2026
Viktoria Brown
72-hour record setter and six-day champion
Viktoria Brown is a Canadian multiday ultrarunner with the 471.631 km GOMU 72-hour world record and a 747.384 km six-day victory.
🇨🇦 CanadaWhitby, OntarioBalatonfüredi Atlétikai ClubW50
The record so far
Viktoria Brown is a Hungarian-Canadian multiday ultrarunner based in Ontario. Her deepest results sit at 48 hours, 72 hours, and six days, with national records recognized by the Association of Canadian Ultramarathoners.
Brown covered 471.631 km at the 2023 GOMU Six-Day World Championship, an intermediate 72-hour mark recognized by GOMU as a world record and by the Canadian association as the national record. Later that year she won the women’s race at the EMU Six Day World Trophy with 747.384 km.
Her record also includes backyard ultras, Badwater 135, and 24-hour racing, extending her competitive range from single-day events to six-day races.
Defining performances
Performance history
| Date | Event | Performance | Result | Source |
|---|---|---|---|---|
| IAU 24-Hour World Championships24-hour race | 195.372 km | Team Canada | View ↗ | |
| Badwater 135135-mile road | 31:27:09 | 5th woman | View ↗ | |
| The Raven 24 Hour24-hour race | 224.189 km | Winner · 3rd overall | View ↗ | |
| GOMU-EMU Six Day World ChampionshipSix-day race | 718.719 km | 2nd woman | View ↗ | |
| EMU Six Day World TrophySix-day race | 747.384 km | Winner | View ↗ | |
| GOMU Six-Day World Championship72-hour split | 471.631 km | World record split | View ↗ |
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