Babysitter Needed for my Children - Now Hiring

My wife & I both work full time in executive positions, Monday - Friday. Our 5-year-old daughter is very active, loves to be outside & swim. Our 1-year-old boy is also very active and loves being outside. We are looking for somebody to help care for the kids occasionally on Friday evenings, regular basis on Saturdays from around 10 a.m. to 5 p.m. or around those times, and then on Sundays for maybe 5 hours. My wife & I are both very active in training for marathons & an iron man. We are looking for somebody to help out on the weekends so we can spend a little time together & catch up on things we are needing to get done.