Dick Quax was a fine runner. Born in 1948 and died in 2018, he was able to run a full career. Steve Prefontaine, born in 1951, died in 1975. Pre ran 3:38 at 22, 1500m, 3:54.6 mile, also at 22 in 1973, his last mile, 2k in 5:01.4 in 1975 at 24, 7:44 3k at 21 and 7:42.6 at 23, 8:18.29 2 mile at 23, 13:21 5000m at 23 and 2 seconds slower at 24 in May 1975, shortly before his death, along with 27:43 and 28:09 in 1974-75. Quax was 2 seconds faster at 1500m (3:36), 2 seconds slower at the mile, 9 seconds slower at 2000m (5:10), 3 seconds slower at 3000m (7:45), a second faster at 2M (8:17), 9 seconds faster at 5000m and 1 second faster at 10000m.
But of course Quax didn't get himself killed in a car crash at 24, and so had the extra track years to get the faster times at 1500, 2M, 5000m, and 10000m. He ran multiple pr's at 28 and 29, whereas Pre's career ended at 24, two days after that 13:23.