The race, which is sponsored by Access Bank, commenced in front of the National Stadium, Surulere, and ended at the Eko Atlantic City, Victoria Island, a 42-km distance. Barmasai completed the 42km race under two hours 30 minutes.
The Third Mainland Bridge, Osborne road, Parkview and Lekki/Ikoyi link bridge were among roads that were closed for the annual activity.
The last edition of the marathon (2019) was won by Sintayehu Legese of Ethiopia. He finished with a time of 2:17:28.
Well-known faces such as former Super-Eagles icon, Austin ‘Jay-Jay’ Okocha, also participated in the race.
Tumo will be going home with a grand prize of $50,000.
Also, the first woman to cross the finish line was another Kenyan, Sharon Jemutai Cherop.