Loose gravel
2016 Joe Martin Stage Race, Deans Market, AR - Alizée Brien from Team Tibco-SVB had a 30 second lead on the peloton during Friday's Road Race until hitting loose gravel on a tight chicane. Ironically the tight chicane was added last minute as part of a course reroute to avoid a prolonged stretch of fresh pea-gravel on US Highway 71.