Alice- I was 32 when I had my first hip replaced and 38 when I had my other hip replaced. It changed my life completely. I have been able to be as active as I want to be. I play volleyball, strength train, Dance class, yoga, cross fit and kickboxing without any pain and only minimal flexibility issues. I enjoy running but I try to limit my runs to once a week only 4-5 miles at a time and have not participated in any marathons out of concern that it may cause too much wear and tear on my hips, but I really love running most of all. There is nothing like that runners high and there is no swimmers high or bikers high last I checked. I’m coming on 10 years since my 1st hip was replaced. I was wondering if anyone out there has underwent a revision yet or had their cup replaced due to excessive wear and tear from running?