Buy Photo None Rebekah Recker, Chief Operating Officer for Riders Unlimited, Inc., leads ponies Levi, left, and Sprite in spring 2017. Molly Corfman/The News-Messenger Buy Photo None Rebekah Recker, 50, of Fremont was diagnosed with an inoperable brain tumor a month ago. With no preparation time to deal with her brain tumor diagnosis, she said her health issues forced her to evaluate her life and the future of the Riders Unlimited program.