Registration opens on Wednesday. The new event highlights the growing popularity of triathlons in Vietnam and extends the IRONMAN 70.3 race series to Vietnam’s northern region. The race will cover a total distance of 113 kilometers (70.3 miles), comprising a 1.9-kilometer swim, a 90-kilometer cycling leg, and a 21.1-kilometer run.

The IRONMAN 70.3 Ha Long Bay is scheduled for Sunday, March 21, 2027. One day earlier, three events will take place in Ha Long – SUNRISE SPRINT Vietnam, IRONKIDS Vietnam, and the 5150 triathlon (over a total distance of 51.50 kilometers), creating a multi-event festival for athletes of different ages and abilities.

Many participants are sure to take the opportunity to explore Ha Long Bay and other nearby tourist attractions in Quang Ninh.