Athletics Pan American Games 2007 at Rio de Janeiro (bra) Women: 20 km Walk July 22: 1. Cristina López (els) 1h38:59 2. Mirian Ramón (ecu) 1h40:03 3. María Sánchez Coyote (mex) 1h41:47 4. Tania Spindler (bra) 1h42:15 5. María del Rosario Sánchez (mex) 1:42.47 6. Sandra Zapata (col) 1h43:44 7. Yadira Guaman (ecu) 1h46:06