Runners from Ethiopia regained their supremacy by outwitting their arch rivals Kenya as they captured top honours in both the men's and women's events in the 28th edition of the Pune International Marathon today.Belachew Endale Abayneh won the men's 42.195 km race in 2 hours, 17 minutes and 52 seconds, while Aberu Zewude Tesema claimed the top spot in the women's half distance race clocking 1 hour, 16 minutes and 54 seconds.