Table 1.

Race distances in ultra-triathlon competitions

Race distance	×-times Ironman	Swimming distance (km)	Cycling distance (km)	Running distance (km)
Double Iron	2×	7.6	360	84.4
Triple Iron	3×	11.4	540	126.6
Quadruple Iron	4×	15.2	720	168.8
Quintuple Iron	5×	19	900	211
Deca Iron	10×	38	1,800	422
Double Deca Iron	20×	76	3,600	844
Triple Deca Iron	30×	114	5,400	1,266

Notes: The full distance of Double Deca Iron ultra-triathlon was officially held in 1998, 2010, and 2012 in Monterrey, Mexico. The Triple Deca Iron ultra-triathlon was held in 2013 in Italy as a multi-stage race with 30 Ironman triathlons in 30 days. The full distance of Triple Deca Iron ultra-triathlon is planned for the end of 2015 in Monterrey, Mexico.