- Quién
- Bart M. Hackley
- Qué
- 123 total number
- Dónde
- Estados Unidos (Various)
- Cuándo
The most sanctioned triathlons completed in one year is 123 and was achieved by Bart M. Hackley (USA) from 21 Feburary 1988 to 19 February 1989.
Bart ran a triathlon in 12 different states and five different countries (United States, Puerto Rico, New Zealand, Mexico and Canada).