20 Years, 20 Firsts -- Dave Mirra triples up in 1998

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20 Years, 20 Firsts -- Dave Mirra triples up in 1998

In the ongoing X Games "20 Years, 20 Firsts" series, X Games examines Dave Mirra, the BMX pro who became the first competitor to win three X Games gold medals at one event in 1998.