Predicting a 400 time

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8 years ago 04/17/2017 5:26pm EDT

I know that 10x400 is supposed to be a predictor workout for the mile, but I don't know how to predict what I can run for 400.

Today I did a workout of 3x(300,150):

46.3, 19.8

45.8, 19.x -missed the button on my watch to stop it

45.5, 19.5

This is probably not the absolute fastest I could've run this workout, as I had a small soreness in my hip that put a hitch in my stride, but it is the fastest I have ever run it.

I have run 2:08/4:47, and figure I could run about 57. I don't get the chance to run the 400 very often if ever, but am curious to know what I could run.

8 years ago 04/17/2017 5:41pm EDT

re: Hooo

Oh. And rest was avg. 3:25 between reps, varying to a fair degree (I was running with a group without a set rest time).

8 years ago 04/17/2017 8:18pm EDT

re: Hooo

Based on my experience you can quite clearly run sub 60, 57 seems like a good guess if you're an inexperienced racer. Maybe 55-56 max ability though.

8 years ago 04/17/2017 9:28pm EDT

re: Hooo

Hooo wrote:
I have run 2:08/4:47, and figure I could run about 57. I don't get the chance to run the 400 very often if ever, but am curious to know what I could run.

400 0:57.32

800 2:08.0

1000 2:45.84

1500 4:24.77

1-mile 4:47.0

3000 9:44.93

2-mile 10:33.50

5000 17:23.78

10000 37:56.8

from stats gangsta's calculator

http://timescalculator.appspot.com

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Predicting a 400 time

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