Former 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 Oct 12, 2026
Viktoria Brown
72-hour record setter and six-day champion
Canadian multiday runner Viktoria Brown set a former GOMU 72-hour world record of 471.631 km and won the women’s EMU Six Day World Trophy with 747.384 km.
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 at the time and by the Canadian association as the national record, and went on to win the women’s six-day title with 685.379 km. 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. After completing 47 yards at Capital Backyard Ultra in March 2026, she is named in Canada’s team for the 2026 Big’s Backyard World Team Championship, which starts on October 17, 2026.
Defining performances
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EMU Six Day World Trophy winner
Won the women’s race in Balatonfüred with 747.384 km and set a Canadian six-day record.
Three GOMU 48-hour podiums
Won the women’s championship in 2022 and 2023, then placed third in 2024 with 405.025 km, a mark GOMU credits as both the Hungarian and the Canadian 48-hour national record.
Performance history
| Date | Event | Performance | Result | Source |
|---|---|---|---|---|
| Capital Backyard UltraBackyard ultra | 47 yards · 315.182 km | 2nd woman · 4th overall | View ↗ | |
| 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 splitBrown went on to win the women’s six-day championship with 685.379 km. | 471.631 km | Then-world record split | View ↗ |
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