IAU 24-Hour world silver medal
Covered 274.172 km in Albi, setting Australian and Oceania records.
Source-checked athlete record · Updated Oct 12, 2026
Holly Ranson
24-hour world silver medalist and Oceania 24-hour record holder
Holly Ranson won 2025 IAU 24-hour world silver with an Oceania-record 274.172 km and set a then-Australian women’s backyard record of 61 yards.
AustraliaSunshine Coast, QueenslandW35–39
The record so far
Holly Ranson is an Australian fixed-time, backyard, and trail ultrarunner from Queensland. At the 2025 IAU 24-Hour World Championship in Albi, she covered 274.172 km for the silver medal, setting Australian and Oceania records in a race where the first three women all surpassed the previous world record.
Earlier in 2025, Ranson won the Australian 24-Hour Track Championship outright with 263.548 km. She then completed 61 yards and 409.066 km at Dead Cow Gully, an Australian women’s backyard record at the time; Yuko Sato raised that mark to 65 yards at The Clint Eastwood in Rocklea in August 2026.
Her trail results include the 2024 Australian Long Trail Championship at the Surf Coast Century. Ranson won the women’s race in 9:03:00, placed second overall, and broke the event’s eight-year-old women’s course record.
Defining performances
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Australian 24-hour champion
Won the national championship outright with an Australian-record 263.548 km.
Australian women’s backyard record
Completed 61 yards and 409.066 km at Dead Cow Gully, a national women’s mark until Yuko Sato ran 65 yards in August 2026.
Australian long-trail champion
Won the women’s Surf Coast Century title in a course-record 9:03:00.
Australian female ultra runner of the year
Received the national association’s 2024 award for her Australian open 24-hour record of 238.546 km in Canberra.
Performance history
| Date | Event | Performance | Result | Source |
|---|---|---|---|---|
| IAU 24-Hour World Championship24-hour road | 274.172 km | 2nd woman · Silver medal | View ↗ | |
| Dead Cow Gully Backyard UltraBackyard ultra | 61 yards · 409.066 km | 2nd woman · Then-Australian women’s record | View ↗ | |
| Australian 24-Hour Track Championship24-hour track | 263.548 km | 1st overall · Australian record | View ↗ | |
| Surf Coast Century100 km trail | 9:03:00 | 1st woman · 2nd overall · Course record | View ↗ | |
| Australian 24 Hour Track Invitational24-hour track | 238.546 km | 1st overall · Australian record | View ↗ |
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