1846 1796 1894 1896
600m 400m 800m 200m
1862 1712 1912 1812
All outdoor 1 year Indoor/ Next Year Outdoor Outdoor, Indoor every 3rd Year All Indoor
Junior Outdoor Senior Indoor
4 years Year 6 Years 2 Years
100m sprint 100m relay 200m relay 60m sprint
Greece Iraq Italy Egypt
770 BC 1770 AD 70 BC 770 AD