Sub 4 min mile and sub 2 hr 10 min marathon in different races: only 33 people have done both.
Summitted Mt. Everest: 6,664 people have summited Mount Everest, a total of 11,996 times
Run a sub 4 min mile: As of June 2022, the "four-minute barrier" has been broken by 1,755 athletes
English Channel: As of June 2024, the Channel Swimming Association (CSA) has recorded 3,025 successful swims across the English Channel
About 1,000 people per year reach the North Pole