800M - 2019 - 17 letters! 43 PRs!
43 PRs! Really? WOW!
Most letters, by far, ever on the guys side. 7 ties the all time best for the girls.
Most of you are not nature 800M runners, but improving your speed and ability to suffer makes you a better runner.
Check out splits below. An "ideal" 800M race has the 2nd 400M split about 3 to 5 seconds slower than the first 400M.
1st split is about 4 seconds slower than what you could run all out for a 400M race.