In her first ever outdoor 600m, @lauramuiruns clocks 1:26.89 in South Africa 🇿🇦

Only four Brits - @mokoro4, @damekellyholmes, @dianemodahl and @MariSmith141 - have run faster than that time over 600m outdoors.

📸 @lauramuiruns

The great Steve Prefontaine would've turned 71 today 🇺🇸

Here's a clip of the American tearing it up in Oregon.