I train and race in the Brooks Ravenna 2 and I am considering purchasing the Brooks ST Racer for racing (mostly 5K's). How much time would I gain, in a 5K, by switching to the ST racer?
Ravenna 2 = 10.8 oz
ST Racer = 8.6 oz
My last 5k was 17:09.
Thank you for any feedback!
It's a great shoe but time gain will be pretty minimal. You'll feel faster but you've got to train fast to run fast.
It's the Racer ST, not the ST Racer.
I believe the rule of thumb is 1 sec per ounce per mile. So, running in the racer st would save you about 2 sec per mile or about 6 sec total for a 5k compared to running in the ravenna. Has anyone else heard this?
It's like 1 second per mile per 100g, which is like 3.x ounces. So you'd run like 17:06 if you're lucky.
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