I need help I've got some Adidas trainers I brought last year and they are fine for about 10k then my feet start to ache. I tried doing my first ever 10 miles Sunday before last in these trainers which I managed to complete in 1 hr 44 mins. But I ended up with tendinitis in my foot. I've had nike trainers before and they were fine. I'm doing my first half marathon in April and need some ideas to a good trainer. Any help would be great!