At the 2006 Honolulu Marathon, Denisova ran 2:27:19, a race record.
Denisova tested positive for an elevated testosterone-to-epitestosterone ratio 20 March 2007. On 15 May 2007 it was announced that she was banned for two years. She has since become a mother and returned to running.
- All results regarding marathon, unless stated otherwise
|1999||Reading Half Marathon||Reading, United Kingdom||1st||1:15:18|
|2002||Los Angeles Marathon||Los Angeles, United States||1st||2:28:49|
|2005||Los Angeles Marathon||Los Angeles, United States||1st||2:26:11|
|2006||Honolulu Marathon||Honolulu, Hawaii||1st||2:27:19|
|2016||Bimbo Global Energy Race - 10K||Orlando, Florida||1st||00:37:30|
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