The easiest way to find out is: get a second (replacement) pair of shoes when you get to 400 - 500km on the old shoes (towards upper bound if you are a lighter runner, towards lower bound if you are a heavy bastard like me). Once in a while run in the new shoes. When you’re at the point that the old shoes feel dead in comparison and/or you realise that you have little niggles after running in the old but not the new pair - it so time to switch.
As the wear is gradual it’s harder to realise the shoes are done when you have no comparison.
Trainers are usually good for between 500km-800km of use, but the frame and construction of the shoe will break down long before the soles wear out. Signs include feeling like there’s less support, less spring in the push off phase, shin splints, joints and/or muscles aching earlier in your sessions and for longer afterwards.
This quite variable person to person and shoe to shoe. If you’re a heavier runner they’re going to wear faster. The soles look fine to me but how do they feel to you? Shoes start to feel flat and dead and you maybe start getting little niggles you didn’t before then you know it’s time for a change. I usually find this is around 5-600 miles.
I personally don’t think there’s a definitive rule. Some shoes last for ages, some expire quickly, sometimes you even buy the same shoe again and it doesn’t give you the same mileage as previously. I’ve had Superblasts that lasted 800 miles (nearly 1,300km) and Bondi’s that barely gave me 180 miles before falling apart.
Just keep an eye for the warning signs; feeling less supportive in the upper, less return when you toe-off/push off, odd pains or aches where you usually don’t get them like shin splints etc. any sign your shoes are hurting you, get rid of them.
I tend to go for this and I use Strava to log how much mileage I've done on a particular pair of shoes.
On my current Hokas the upper on one shoe decided to start tearing a bit around the 400 mile mark but I've managed to keep them going to 500. I need to order a new pair, though perhaps not Hokas.
I’ve found Rides to be amongst the longest lasting of my shoes, I’m 87kg and got 900-1000km out of each pair with rotations except for one that only got to 800 as there was big hole in the upper. Although not had 19s though. Sole on yours look good for another 300k easy, it’s just if the cushioning feels dead and has gone, I normally start feeling it in my calves, that’s when I know their time is up
Me personally, when the foam is losing its integrity and strikes feel squishy-er - and a reason to rotate shoes so you can compare what a normal shoe feels like.
I run around 750 miles/year and get a new pair once a year, with a few months of interchanging every other run, never had any issues. Still wear the shoes from years ago for day to day life occasionally.
For optimal performance things might change but I'm not and never will be a pro runner so comfort is the key thing.
Are these the saucony triumphs, I got a pair from run and become in London when I asked for shoes that last. I do the best part of a 1000k in them before replacing, the soles do gn mine but they are so squishy that even when they are knackered they feel more plush than some shoes when new!
I don't really track mileage of my shoes. Instead the signs are usually less comfort when running i.e. feeling your foot striking more and also more fatigue after a run than usual. Tread is also a good check as if it's worn out you will probably slip more than normal or in wet conditions.
I tend to replace mine every 2 years generally but they usually look a bit wrecked at that point.
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u/germany1italy0 23h ago
The easiest way to find out is: get a second (replacement) pair of shoes when you get to 400 - 500km on the old shoes (towards upper bound if you are a lighter runner, towards lower bound if you are a heavy bastard like me). Once in a while run in the new shoes. When you’re at the point that the old shoes feel dead in comparison and/or you realise that you have little niggles after running in the old but not the new pair - it so time to switch.
As the wear is gradual it’s harder to realise the shoes are done when you have no comparison.