| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | James W. "J. W."•Krumpholz |
| Used name | J. W.•Krumpholz |
| Born | 22 September 1987 in Orange County, California (USA) |
| Measurements | 191 cm / 93 kg |
| Affiliations | Los Angeles WPC, Los Angeles (USA) |
| NOC | United States |
| Medals | OG |
| Gold | 0 |
| Silver | 1 |
| Bronze | 0 |
| Total | 1 |
Son of Kurt Krumpholz (non-Olympian), world champion and world record holder is swimming. He set a 400 metres freestyle world record in the heats of the 1972 US Olympic trials, but did not finish in top two at the final.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2008 Summer Olympics | Water Polo (Aquatics) | USA |
J. W. Krumpholz | |||
| Water Polo, Men (Olympic) | United States | 2 | Silver |