I just sprint by double tapping my "W" key, its not the best way to use run, but it works, I have a #1 Pro-tip when your PVPing someone. If you run up to someone hit them in the front once, then get behind them and try to stay behind them, and keep hitting them, you will get hit once or twice but you'll kill that person. But if you just be a noob and come up to someone and staying in front of them they will have a higher chance of killing you because you came up to them, they will have the first hit and they will keep knocking you back! And you die and get no hits. Thats the #1 Tip, use it guys!
- MBTG