Energy systems for 400m dash

[kitkat1]

@robin1

Not sure I’m following. 45.94 - 34.15 is 11.79. I timed his last 90m as 10.7 from video, so 11.8 for the last 100m should be about right.

You would be right. I wasn’t thinking straight. When I came up with 13sec I thought gee, that doesn’t make any sense at all but I didn’t bother checking…