Mark Spitz won 7 gold medals in swimming.
100
12 medals
heaps
Mickel Phelip
13
Altogether Team GB got 65 medals.
USA won the most medals at the Olympics in Vancouver 2010 with 37 total medals (9 Gold, 15 Silver, 13 Bronze).
Michael Phelps, he got 8 gold medals for swimming
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Mexico
China, 51.
USA with 38.