Claim: Tanzania's Suleiman Nyambui won in the 1987 Berlin Marathon.
Evidence: Tanzania's Suleiman Nyambui won the men's race in 2:11:11 hours, while the women's race was won by West Germany's Kerstin Preßler in 2:31:22. 
Suleiman Nyambui (2:11:11) 
Suleiman Nyambui Tanzania 2:11:11