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Across

2. any of various contests held to determine a champion
4. a meeting for contests in a variety of sports
7. the use or application of medicine.
10. to regulate the food of
11. a person or thing that trains.
13. the state of being fit
14. a building or room designed and equipped for indoor sports, exercise, or physical education.
15. a trial or practice session in athletics, as in running, boxing, or football.
16. a sign or indication of something.

Down

1. a large, usually rectangular board in a ballpark, sports arena, or the like, that shows the score of a contest
3. the act of performing.
5. the act or process of nourishing or of being nourished.
6. any of a group of organic substances essential in small quantities to normal metabolism
8. track and field events
9. (verb) to do over and over again to get better
12. a brief suspension of activity in sport