Get your gait checked, take the time make the effort it's worth it. Oh and then like a car make sure your contact points on the ground are up to the task.
The staff in proper running/sports shops don't want to sell you something that's incorrect or expensive, most of them work in the industry because they run or keep fit themselves. They even offer returns or exchanges even if used and the footwear isn't working for you..... Sometimes anyone can have a blip.
Wales was spring-like even slithers of blue skies, yep albeit double layered 2 tops, the tights disposed of, just a buff to keep the sweat out of my eyes (and it reassures me I'm not gonna lose my glasses in the canal π€
Ps note to ju-ju I couldn't find and muddy bits π€«