Wondering if anyone knows how many miles the Nike Vaporfly 4% shoes will really last before dying/ceasing to be effective race shoes. I have raced in mine four times (5k, 10k, 2 x half marathon) and done a couple of short jogs in them to test them out, so probably total of 70 km (approx 45 miles I think) and wondering if I should replace them before my next marathon or whether they are still in great shape to race a marathon in.
Thanks in advance!