Time's-Up! rides are not races. They are very moderately-paced (11-12 MPH), fun, disclipined, guarded tours that stress that "the ride's the thing". We leave NO ONE behind...EVER. Over the years, the talented folks at Time's-Up have repaired hundreds of flats,put back dropped chains and made other minor adjustments that have occurred during rides. Those with more substantial problems have been escorted to subway entrances, etc. Time's-Up and its members welcome you to "Come ride with us!" Here's our web site: http://www.times-up.org/