Two games makes a biathlon
Shooting and skiing
Three games makes a triathlon
Swimming, biking, long-distance running
Four games makes a tetrathlon
Hurdles, shot-put, running, high jump, and short-distance running
Five games make a pentathlon
Long jump,, discus throwing, stadion, javelin throwing, and wrestling
Seven games makes a heptathlon
Hurdles, running high jump, shot-put, 200m race, long jump, javelin throwing, and middle-distance running
Eight games makes an octathlon
100m race, long jump, shot-put,400m race, 110m hurdles, javelin throwing, running high jump, and 1500m race
Ten games makes an decathlon
100m race, long jump, shot-put, running high jump, 400m race, 110 m hurdles, discus throw, pole vaulting, javelin throwing, and 1500m race
20 games makes an icosathlon
100m race, long j ump, 200m hurdles, shot-put, 5000m race, 800m race, running high jump, 400m race, hammer throw, 3000m obstacle course, 110m hurdles, discus throw, 200m race, pole vault, 3000m race, 400m hurdles, javelin throwing, 1500m race, triple jump, and 10000m race