2013 3GR Route 35 mi · gravel Cedar Valley Lakes Trail to Riverview Recreation Area Trail 52 mi · gravel E 82nd St S to County Hwy S6G 23 mi · gravel C Ave to D Ave 9.0 mi · gravel Copperhead Rd to 100th Ave 5.6 mi · gravel Sherman St to Kirby Ave 5.9 mi · gravel Kent Ave to Kirby Ave 2.8 mi · gravel Merino Ave 5.9 mi · gravel Osburn Ave 3.5 mi · gravel 210th St to 200th St 7.0 mi · gravel Crikum bottom 16 mi · gravel IA-146 S to IA-146 N 117 mi · gravel Penrose St to 340th St 20 mi · gravel H Ave 3.9 mi · gravel 113th Street to 130th Street 11 mi · gravel Charles City/Nashua 15 mi · gravel Bladensburg Road to Park Road-Ottumwa to Keosauqua 45 mi · gravel dyersville to denver 87 mi · gravel NH Poker Run 86 mi · gravel WSC Byway 73 mi · gravel South Elm Street to Asherton Avenue 45 mi · gravel 140th Street to South 11th Street 29 mi · gravel Forest Home Road to Barrows Avenue 33 mi · gravel To moms 27 mi · gravel Northeast 166th Avenue to Glass Avenue 115 mi · gravel To work on gravel 11 mi · gravel Knoxville, IA 20 mi · gravel Knoxville 16 mi · gravel to East Montgomery Street 15 mi · gravel Tosanak 8.4 mi · gravel Work to Home 44 mi · gravel Home to Work 44 mi · gravel 29th Avenue Southwest to Asherton Avenue 20 mi · gravel Grinnell 52 52 mi · gravel Grinnell Prairie Burn 50 52 mi · gravel Grinnell 2nd South 30 31 mi · gravel Grinnel Level B to Malcom 24 mi · gravel Grinnell Tour de B-Level 44 mi · gravel Grinnell OnC 2 30 mi · gravel Steamboat to Lincoln 29 mi · gravel North 51st Avenue West to Conrad 60 mi · gravel Janesville to Royal Blue 16 mi · gravel Haverhill Social Club 51 mi · gravel Pella 48 mi · gravel Pour House to Tap 6.7 mi · gravel Ottumwa to Pella camp at lake red rock 50 mi · gravel 337th Avenue to Greenwood Avenue 43 mi · gravel Big Southern Loop 82 mi · gravel