Arunaabh Shah (b August 11, 1990) of Delhi completed the Ultraman Triathlon (an event consisting of 10 km swim, 421.1 km cycling and 84.3 km run) in Australia on May 16, 2016. He became the first and youngest Indian man to finish an Ultraman race in its 33 year history.
He has also done the Ironman Triathlon involving 3.8 km swim, 180.2 km bike and 42.2 km run in Mallorca, Spain.