Most people have no clue how gnarly the Tour de France is. In summary, it’s a 2,170-mile race (equivalent to biking from Salt Lake City to New York) with intense elevation gain, spanning 23 days with only two rest days, and divided into 21 stages.

The average cyclist in this race burns over 7,000 calories each day, totaling a staggering 150,000 calories over the 23-day race.