D paced 14.4-miler with 230-vertical-feet: ... Colorado 257, south; Greeley 2 Canal path, west; 17th in Windsor; ....
D Route Map: https://ridewithgps.com/routes/44587180
C-paced 20.5-miler with 600-vertical-feet: Up the hill on New Liberty Road, Windsor.
C Route Map: https://ridewithgps.com/routes/39949251.
B-paced 24.5-miler with 700-vertical-feet: ... 'east Prospect Road'; Weld County Road 80; ... central Windsor; ... up the hill on New Liberty Road, Windsor....
B Route Map: https://ridewithgps.com/routes/43474129.
Bike (marker) lights are recommended.
Après-bike: an informal gathering at Timnath Beerwerks.