Chris Nikic is the world's first person with Down Syndrome to complete an Ironman (Credit: Nik Nikic)

The next time you find an excuse to abandon your aspirations, think of Chris Nikic. On November 7, 2020, the 21-year-old Maitland, Florida, resident made history as the first person with Down Syndrome to attempt and complete an Ironman. Organized by the World Triathlon Corporation, the grueling competition requires athletes to swim 2.4 miles, bike 112 miles, and run a full, 26.2-mile, marathon — in under 17 hours!