South Mission Beach/ Bonita Cove, San Diego

The Urban Assault Ride challenges cyclists to speed from obstacle course to obstacle course across their city during eco-friendly scavenger hunts that benefit local charities. Teams draft a road map to try to thwart the competition and be the first to complete the race, pausing at a series of checkpoints, where they must surmount such active roadblocks as slip 'n' slides, bike jousting, and reciting the Iliad in Pig Latin. The first team to conquer each challenge and cross the finish line is declared the victor, but all participants celebrate their efforts at a lively after-party stocked with snacks, beer, nonalcoholic drinks, and prizes.