Challenge rides may be day rides of fixed distance (e.g. 50 km, 100 km, 100 miles) or multi-day trips that span a state, country or province, such as RAGBRAI in Iowa and the End to End in the United Kingdom.
East Riding of Yorkshire | Little Red Riding Hood | West Riding of Yorkshire | riding | Challenge Cup | Challenge Tour | North Riding of Yorkshire | Riding Mountain National Park | Challenge Anneka | University Challenge | Riding (division) | Millennium Challenge Corporation | Spanish Riding School | Diamond Challenge Sculls | USA Pro Cycling Challenge | Stamford Bridge, East Riding of Yorkshire | Challenge | Willerby, East Riding of Yorkshire | The Great Indian Laughter Challenge | Infinite Challenge | WRU Challenge Cup | World Club Challenge | Sa Re Ga Ma Pa Challenge 2005 | Real World/Road Rules Challenge: Fresh Meat | Grand Challenge Cup | Fletcher Challenge | FIRST Tech Challenge | Extra Challenge | Welton, East Riding of Yorkshire | Watton, East Riding of Yorkshire |
The Dunwich Dynamo is an annual semi-organised, through-the-night bicycle ride from London Fields park in Hackney, London, England to Dunwich on the Suffolk coast.