Sanrat represented Thailand at the 2008 Summer Olympics in Beijing. She competed at the 4x100 metres relay together with Orranut Klomdee, Jutamass Thavoncharoen and Sangwan Jaksunin. In their first round heat they placed fifth in a time of 44.38 seconds was the eleventh time overall out of sixteen participating nations. With this result they failed to qualify for the final.
- Athlete biography: Nongnuch Sanrat, beijing2008.cn, ret: Aug 30, 2008