- Marietta Rowing & Cycling Club
- Devola Multi-Use Trail
- Blennerhassett Bicycle Club
- City of Marietta
- City of Belpre
- Ohio Department of Transportation
- Ohio Department of Health
- Washington County Creating Healthy Communities
- Williamstown-Boaz Trail
- Athens Conservancy District
- Belpre Multi-Use Trail
- City of Vienna
- WWW Regional Planning Organization
- Buckeye Hills Development District
- River Cities Single Track Serpents Composite
- River Valley Mountain Bike Association
- Friends of the Marietta River Trail
- Marietta Adventure Company
Area bicycle, outdoor groups and public officials all working together to develop trails for bicyclist, strollers, walkers, runners & other alternative transportation. Get involved with a group above or email for more information.