Fastest 140.6-mile triathlon distance on Antarctica (male)
- Who
- Spencer Matthews
- What
- 28:51:11 hour(s):minute(s):second(s)
- Where
- Antarctica (Antarctica)
- When
- 04 December 2025
The fastest 140.6-mile triathlon on Antarctica (male) is 28 hr 51 min 11 sec and was achieved by Spencer Matthews (UK), in Antarctica, on 3-4 December 2025.
As well as achieving this record, Spencer also set a record for the fastest time to complete a 140.6-mile triathlon distance on seven continents (male) having also completed triathlons in London, Arizona, Cape Town, Perth, Dubai and Rio de Janeiro over the previous 21 days.