This is a quick post on the 2 differences between the “official 300mH” event recognised by World Athletics (on March 25, 2025). For Masters men, the 400mH is replaced by the 300mH at M60 (which is good news for me, if I ever decide to hurdle! More on that later!)
The current world record for the 300m hurdles is 33.26 by Karsten Warholm in 2021.
But the confusing part is the 300mH is a popular event in USA high schools, but the spacings are different, as well as an extra hurdle! It’s 8, not 7!
As you can see in the above chart, the standard 300mH is 50m to H1, not 45m as in the 400mH.
The other difference is USA HS 300mH uses the same spacing (45m to H1, 35m between hurdles) except for the 8th hurdle, and “only” 10m run in to the finish line.
Karsten Warholm’s 300M Hurdles World Record
Below is the WR video from 2021, still held during the covid pandemic. How many people can run 33.26 without hurdles?
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