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iamacyborgtoday at 10:49 AM1 replyview on HN

Great read, that site is also super useful for fairly objective shoe reviews and breakdowns in a world full of influencers trying to peddle you shit they don’t understand


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LeifCarrotsontoday at 1:14 PM

RunRepeat is THE place to go for actual measurements and objective data about running shoes.

I'm currently recovering from blisters due to racing a 25k two weeks after my debut marathon in Vaporfly 3 shoes. Poor planning, but it wasn't the shoe's fault: My form fell apart in the marathon after about 23 miles, cramping up and running out of strength and mobility to maintain a midfoot strike.

But I've done my own testing - tempo runs holding a target heart rate in each of my Nike Pegasus trainers, Zegma 2 trainers, and the Vaporflys.

It's not even close.

At 165-170 bpm, I can hold about 7:15/mile for 40 minutes in the Pegasus trainers. On the same route, same weather, same sleep, same heart rate, just a week later, I was able to do 6:40/mile for 40 minutes.

I'm sure a good deal of that comes from weight - I've also got some spike flats for interval training that are really fast but have ordinary EVA foam with low drop and a very low stack, but I wouldn't attempt a marathon in them.

My younger brother was an All-American swimmer in the era of supersuits (2007-2009). I hope that the same doesn't happen to supershoes.