Every summer, the world"s best cyclists take on one of the most gruelling athletic events in modern sports—the Tour de France. Beginning this year on July 5, the 2025 race will span 21 stages and over 3,000 kilometres across France. First held in 1903 to boost newspaper sales, the Tour has grown into cycling"s most iconic race. Riders compete in mountain climbs, sprints and time trials, with the race traditionally ending in Paris.