How it unfolded
Winds near 40 km/h were blowing across Oxford that afternoon, and 25-year-old medical student Roger Bannister nearly called off his record attempt until minutes before the start. When the wind dropped 30 minutes before the race, he decided to go. Chris Brasher led the first two and a half laps, and Chris Chataway took over the third. Splits ran 57.5 for the first 400m, 1:58.2 at 800m, and 3:00.7 at 1200m. On the final lap Bannister passed Chataway and ran the home straight alone, collapsing into the arms of helpers just after crossing the line. Before roughly 3,000 spectators, official Norris McWhirter announced the result — the words 'three minutes fifty-nine point...' were drowned out by cheering before he could finish. The official time was 3:59.4. The record lasted just 46 days: Australia's John Landy ran 3:57.9 in Turku, Finland, on June 21, and the two met at the Vancouver Empire Games in August, where Bannister won.
Why it still matters
Four minutes for the mile was widely believed a physiological limit, and once it fell, several runners went under it within a year. It stands as the clearest evidence in the sport's history that psychological barriers are real, and it was also one of the last great moments of the amateur era — Bannister trained during lunch breaks between hospital shifts and was paid nothing for the run.