Betsy (nee Bostwick) Bartos, 57, of Wayne, PA passed away suddenly on Monday October 24, 2016. Betsy was the daughter of the late Barbara (nee Stewart) and the late Jack Bostwick. Betsy was an elite athlete and active member of her community, participating in many fundraising marathons and triathlons. She was a popular and sought after spin instructor who played an active role in many local gyms and fitness centers. Betsy’s strength and passion for fitness touched everyone she met and she will be sorely missed by family and many friends. Surviving are 4 children: Drew, Alexandra (Travis) Shaw, Tyler & Brian and 1 granddaughter: Nala Shaw. Also surviving are 3 siblings: Jeffrey S. Bostwick, Todd S. (Jane) Bostwick & Wendy (Peter) Norman. Relatives and friends may call on Mon. Oct. 31, 2016 from 1030AM-12PM at Alleva Funeral Home, Inc.: 1724 East Lancaster Ave. Paoli, PA. A Memorial Service will begin at 12PM.