But the Jamaicans are hardly a lock in the Olympics sports betting lines and Tyson Gay has also been lauded by online betting odds for Olympics odds makers.The online betting odds for Olympics are well known for many events, but when it comes to Olympics sports betting the games are perhaps best known for the track and field events. And among the track and field events featured in the online betting odds for Olympics none draws more interest from Olympics sports betting fans than the men’s 100 meter dash. This year promises to be one of the most competitive in online betting odds for Olympics history with no clear favorite and a handful of runners that look capable of taking gold.