Ethiopia’s Gudaf Tsegay runs to victory in the women’s 1500m final during the Indoor World Athletics Championships in Nanjing, in eastern China’s Jiangsu province, on March 23, 2025. [Pedro PARDO / AFP] The World Athletics Indoor Championships Nanjing 25 drew to a close on Sunday after three days of thrilling action, marking the start of a busy year for the sport. Three World Athletics Series events will be held this year, all of them in Asia. After the World Indoor Championships in Nanjing, Guangzhou will host the World Athletics Relays in May and then the World Athletics Championships will take place in Tokyo in September. Final figures from Nanjing confirm that 516 athletes participated, comprising 274 men and…