Answer:
What has 13 hearts but none beat?
RUGBY = 9, TENNIS = 14, FOOTBALL = 12, HOCKEY = 16, SWIMMING = ?
Two horses, swiftest traveling, harnessed in a pair, and grazing ever in places. Distant from them.
They belong to me; they belong to you; They can make you feel happy or make you feel blue; They never end until the day you do.
Come up and let us go. Go down and here we stay
People take me on walks and I run and have fun. What am I?