- Shangrila Rendon
- 23 total number
- United States (Long Beach)
The most 140.6-mile triathlon distances completed in one year (female) is 23 and was achieved by Shangrila Rendon (USA/Philippines) between 30 October 2020 and 2 December 2020.
Although Shangrila had a whole year to complete the required 140.6 miles triathlons to break the record, she completed the 23 of them in 34 days. 10 of the race distances were run in consecutive days.