Just discovered this on their website, posted today (22 Jan):
Want to Ride FREE this Year? In celebration of launching our limited-time Annual Membership rates, we’re giving away 12 months of free bike share to TWO lucky winners.
We want to see where Healthy Ride takes you!
Submit your photos that feature a journey made on a Healthy Ride bicycle. Photos of stations, the bikes around town, a ride with with friends, or a bike-related event on a Healthy Ride all apply. Share photos via Twitter and Instagram before March 1st, 2016 with the hashtag #TakeHealthyRide and be entered to win a free Standard Annual Membership (unlimited 30-minute rides).