I like running , except it can be hard on your knees.
Oh, yeah, you have to have proper runner's form. Maybe you'd enjoy track and field, a sport including running jumping and throwing!
I used to do that in school. Its was pretty fun and good exercise too. 
Yeah, haha, it is pretty fun. It's name is derived from the sport's typical venue, haha
I liked the sprints, race walking and hurdling contests. And it got you out of class for awhile.
Those would be considered foot racing events, which also include distance events. Have you ever won one?
Came in second a few times. The first examples are the Ancient Olympic Games in Olympia, Greece in 776 BC
athletes participate in a combination of track and field events. Most track and field events are individual sports with a single victor; the most prominent team events are relay races, which typically feature teams of four. Events are almost exclusively divided by gender, although both the men's and women's competitions are usually held at the same venue. If a race has too many people to run all at once, preliminary heats will be run to narrow down the field of participants.
Track and field is one of the oldest
which Robinson’s art is held by the "2000 AD" writers:
"Q - Have you ever had an artist turn in something, and thought ‘Oh No! What have they done?!’ 
A - Yeah, but what can you do? The reverse happens too, of course. You turn in a script you maybe didn't think was so great, and the artist really brings it to life. That happened on a Dredd story I did called "Couch Potatoes". I quite liked