You think triathletes can run a marathon in under 2:10? Or a 10k in under 30 min?
Track and field is hyper specialized. There’s a reason that swimmers do half a dozen events while track athletes might be lucky to do two. But in each event, a score of 1000 points is world class. The world record is over 9000, so they’re phenomenal athletes with a solid mastery of most of their events