Here, we share whats happening around the world in endurance sports. Which events are happening, where they are happening, and on which dates.

Fifty years after the NYC Marathon went five-borough, the two fastest Americans ever, a record-sized field and a $100M charity goal make Sunday’s race the one the whole endurance world is watching.

Sam Flannery, 19, hates swimming. He swam 24 hours straight anyway: 55.5 km in a 50 m pool at a 2:35/100m pace, raising awareness and funds for homelessness in Australia.

Every hour, one bell. In 2026, nations raced the same 4.167-mile loop at once, and two Belgians pushed past 110 yards. Inside the Backyard Ultra World Team Championship: format, mindset and records.

IRONMAN is coming to Gujarat in February 2027. Discover what the Ahmedabad triathlon means for India’s endurance athletes, from swimming and cycling to the final marathon run.