Now, his brother Isaac is hoping to replicate the success at the Rio Olympics in two years' time even if it means beating the champion sibling.
Isaac, who won the five kilometre dream run at the Lavasa Hill Run on Sunday, revealed he will soon start training seriously for the 2016 Rio Games.
"I will be looking to qualify for the next Olympic Games. My brother won the gold medal in London and I hope to win the gold medal in Rio. I will start serious training in a week's time after I get back to Kenya," he said.
The Lavasa Hill Run, the first of its kind in India, saw a huge number of endurance enthusiasts in the age groups of nine to 70 years take part in the 10km run and Dream run (5 km).
The event, as expected, was dominated by the Kenyans, with Daniel Yegon winning the 10 km Endurance run for men, in a timing of 31 minutes, 32 seconds, and his compatriot Gladys Tarus clinching the women's event in 37 minutes, 24
Among the amateur runners, the oldest was Gopinathan Cherakulam (age 70 years) from Mumbai, while the youngest was eight-year-old Virendra Sinh Arvin Patil from Kolhapur. Both completed the 10 km Endurance race.
The run flagged off by Air Marshall K.S. Gill, while Rear Admiral Anand Iyer was one of the chief guests.
India's athletes were also to the fore, with Man Singh from the Army Sports Institute in Pune finishing third in the 10km run, and Swati Haridas Gadhave taking the same place in the corresponding women's event.
A total of 983 running enthusiasts from five countries and 10 Indian cities participated.
Lavasa, which is three hours’ drive from Mumbai and an hour's from Pune, is regarded as India’s first hill city.