First person with Down's syndrome to complete an IRONMAN® triathlon
Chris Nikic
- first
United States (Panama City)

The first person with Down's syndrome to complete an IRONMAN triathlon is Chris Nikic (USA), who completed the IRONMAN Florida triathlon in Panama City Beach, Florida, USA, on 7 November 2020.

The 21-year-old Chris from Maitland, Florida, is the first athlete with Down's syndrome (or Down syndrome) to successfully apply to compete in an IRONMAN triathlon. At the Panama City Beach competition, Chris had 17 hours in which to complete a 3.8-m (2.4-mile) swim in the Gulf of Mexico, a 180-km (112-mile) bicycle ride through Panama City Beach and a full 42.1-km (26.2-mile) marathon run along the beach front, which he finished in a total time of 16 hours 46 minutes 9 seconds.