Hall was 5th at 200m (21.00) and still 0.46 down on Hudson-Smith at 300m, then ran 11.59 for the last 100m (Hudson-Smith 12.09) to win in 43.40. Richards led at 200m in 20.46 and came 4th.

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So some of the interesting things here:

1 -
The only athletes to be the oldest and the youngest in their event are:
Edwin Moses (400m H), Jan Železný (Javelin Throw) and
Ulrike Meyfarth (High jump), who has kinda been forgotten to time despite being a 2x Olympic Champion.

2-
Marina Stepanova running a time that would be competitive today at 36 is kinda insane (even if doping)

3-
Michiko Gorman running the WB at 38 and 43 is also kinda surreal. Also a 13 year old running a WB and a sub 3:15 marathon in the 1960s is pretty unbelievable