it depends on who is more physically stronger and who is physically fitter
No that was NASCAR
No solution
there racing
One friend would be walking behind the other two friends.
Dogs are supposed to be gay so they can hump each other
because it is (Edited by ayoth13) Psychiatrists thought that this is because the two people walking are in contact with each other and they try to keep pace with each other.
The hotter it is the faster the molecules will move away from each other
No, they burn at the same speed as each other. That's what i think.
to keep track of each other
It is believed that Barrel Racing first saw competitive light in the state of Texas http://en.wikipedia.org/wiki/Barrel_Racing
No. This is dangerous to both the horse and the Jockey.
Yes, when swimmers compete against each other they're called races.