The Gravel Odysseys Odyssey, definition; - A long and eventful, adventurous journey or experience. An intellectual or spiritual quest with hardship or difficulty that teaches you something about yourself or about life. Gravel Odyssey Coast to Coast 2025 Gravel Odyssey Gotland North 2025 Gravel Odyssey Jämtland 2025 Gravel Odyssey Gotland South 2025 Group Rides Future Odysseys... Special events