| Mark McCormack | |
| Birth Date: | 15 September 1970 |
| Birth Place: | Plymouth, Massachusetts, U.S. |
| Discipline: | Cyclo-cross, road cycling |
| Role: | Rider |
| Majorwins: |
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Mark McCormack (born September 15, 1970, Plymouth, Massachusetts) is a professional cyclo-cross and road bicycle racer from the United States. McCormack became the first rider to hold the U.S. national championship in cyclo-cross and road bicycle racing in a career.
On Monday November 12, 2012, McCormack took first place in one, if not the, first ever "fat tire" bicycle race at the Coonemesset Farms Eco-Cross in Falmouth, Massachusetts. The organizers required that all participant's bicycles had a tire width no narrower than 3.5".
USA Cycling Cyclocross National Championships USPRO National Championships