Track-and-field athletics

Across
2.	an organized event in which people try to win a prize by being the best, fastest, etc.
4.	to be involved in an activity with other people
5.	a sports event in which the competitor jumps from one foot and lands on it, then jumps from one foot and lands on the other, and finally jumps with both feet
7.	a sport in which competitors try to jump over a bar supported on two poles. The height of the bar is gradually raised and the winner is the person who jumps highest without knocking the bar off the poles
10.	a running race of slightly over 26 miles (42.195 kilometres)
12.	a short and very fast race, such as the 100 metres, or the last part of a longer race that is run as fast as possible
15.	a stick that is passed from one runner to another in a relay race
17.	race over a medium distance, especially 800 or 1500 metres
20.	shoes with metal or plastic pieces worn to stop the person from sliding on the ground

Down
1.	a sports competition in which you jump over a high bar using a long stick to push yourself off the ground
3.	a small gun that makes a loud noise instead of firing bullets and is used for starting races
6.	a frame or fence for jumping over in a race
8.	a heavy metal ball attached to a chain that is thrown as part of a sports event
9.	the general name for a particular group of sports in which people compete, including running, jumping, and throwing
11.	a long stick with a pointed end that is thrown in sports competitions
13.	a competition in which all the competitors try to be the fastest and to finish first
14.	a type of path or road, often in the shape of a ring, that has been specially designed and built for sports events, especially racing
16.	a running race between two or more teams usually of four members, each of whom goes a part of the distance
18.	a heavy plate-shaped object that is thrown as part of a sports event
19.	an area, usually covered with grass, used for throwing events