 
| Roles | Competed in Olympic Games | 
|---|---|
| Sex | Female | 
| Full name | Sarah Kathryn•Hammer (-Sparks) | 
| Used name | Sarah•Hammer | 
| Born | 18 August 1983 in Redondo Beach, California (USA) | 
| Measurements | 171 cm / 65 kg | 
| NOC |  United States | 
| Medals | OG | 
| Gold | 0 | 
| Silver | 4 | 
| Bronze | 0 | 
| Total | 4 | 
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2008 Summer Olympics | Cycling Track (Cycling) |  USA | Sarah Hammer | |||
| Individual Pursuit, Women (Olympic) | 5 | |||||
| Points Race, Women (Olympic) | ||||||
| 2012 Summer Olympics | Cycling Track (Cycling) |  USA | Sarah Hammer | |||
| Team Pursuit, Women (Olympic) | United States | 2 | Silver | |||
| Omnium, Women (Olympic) | 2 | Silver | ||||
| 2016 Summer Olympics | Cycling Track (Cycling) |  USA | Sarah Hammer | |||
| Team Pursuit, Women (Olympic) | United States | 2 | Silver | |||
| Omnium, Women (Olympic) | 2 | Silver |