<div><p>Three weeks before she went for a run that would change her life, Kelly Herron had taken a self-defence workshop. Little did she know, every move she learned would save her life. </p><p>The 36-year-old was just four miles into her run when she stopped to use a public washroom in Seattle's Golden Gardens Park. That's when registered sex offender, Gary Steiner attacked. </p><p>The 40-year-old man was hiding in the bathroom when he approached Herron. As he pinned her down, she began battling for her life. She clawed his face, punched him and screaming "not today, M**F**er!"</p><div><figure><a href="https://www.instagram.com/run_kiwi_run/" target="_blank"><amp-img src="https://www.shared.com/content/images/2017/03/33-6.jpg" srcset="https://www.shared.com/content/images/2017/03/33-6_GH_content_550px.jpg 550w, https://www.shared.com/content/images/2017/03/33-6_GH_content_650px.jpg 650w, https://www.shared.com/content/images/2017/03/33-6_GH_content_750px.jpg 750w, https://www.shared.com/content/images/2017/03/33-6_GH_content_850px.jpg 850w, https://www.shared.com/content/images/2017/03/33-6_GH_content_950px.jpg 950w, https://www.shared.com/content/images/2017/03/33-6_GH_content_1050px.jpg 1050w, https://www.shared.com/content/images/2017/03/33-6_GH_content_1150px.jpg 1150w, https://www.shared.com/content/images/2017/03/33-6_GH_content_1250px.jpg 1250w" sizes="89vw" title="" alt="" height="9" width="16" layout="responsive"></amp-img></a><figcaption class="op-vertical-center"><cite><a href="https://www.instagram.com/run_kiwi_run/" target="_blank">Instagram @Run_Kiwi_Run</a></cite></figcaption></figure></div><p><!-- [invalid-shortcode] --></p><p>Although he tried to beat her down, Herron fought back with everything she had and managed to escape his grasp. She and a passer-by locked him inside the restrooms and called police.</p><p>The images from her fitness tracker show the terrifying struggle to get away from Steiner:</p><div><amp-instagram height="1" width="1" layout="responsive" data-captioned="" data-shortcode="BRTqqdHD1No"></amp-instagram></div><p>Herron told <a href="http://abcnews.go.com/US/female-jogger-seattle-defense-tactics-fend-off-brutal/story?id=46034147">ABC News</a> that being attacked while training was "her biggest running nightmare," and she's not the only one. A<a href="http://www.runnersworld.com/running-while-female"> Runner's World</a> survey reports that 43 percent of women experience harassment while running, compared to just four percent of men.</p><p><!-- [invalid-shortcode] --></p><p>Thankfully, Herron was able to keep her wits about her and fight back. She says the workshop taught her how to "put hard bones in soft, fleshy areas," which likely saved her life.</p><p>As for her attacker, Steiner has been charged with attempted second-degree rape and second-degree assault with sexual motivation.</p><p>Watch her interview here:</p><amp-iframe sandbox="allow-scripts allow-same-origin" layout="responsive" frameborder="0" height="9" width="16" src="https://abcnews.go.com/video/embed?id=46031338"></amp-iframe></div>
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