ICE/SNOW ALSO CANCEL. We start at Bicentennial Park in Tukwila and follow the Green River/Duwamish River Trail to South Park and on to Alki. There will be a coffee and pastry break at Tully's at Alki before returning to Tukwila. Arrive early enough to ready your bike and sign the ride waiver. The pace of this ride is based on having no wind. If we have a headwind, the pace will be lower, if we have a tailwind, the pace may be higher. Keep this in mind when deciding to do this ride. DIRECTIONS TO START: take Exit 1 from I-405; turn south on W. Valley Hwy; turn right again at Strander Blvd; go over the small bridge and immediately turn right into the park.