You will be placed into the appropriate age group based on your age on race day.

Age groups for the 48 & 28 mile races are: 11 & under (Soft Rock only), 12-15 (Soft Rock only), 16-19, 20-24, 25-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-64, 65-69, 70+.

Male and female single speed and fat bike racers, male, female, and mixed tandem teams will have separate groups in the 48 and 28 mile races, regardless of age.

Age groups for the 10 mile Shore Rock are: 1-8, 9-10, 11-12, 13‑14, 15-19, 20-29, 30-39, 40-49, 50-59, 60+. Riders 11 and under must have a responsible adult with them at all times during the race.


Field limit of 2500. Transferring of numbers will not be permitted. Bandits (non registered riders) are strictly prohibited.


A very limited number of preferred start positions are available in both the Hard Rock and Soft Rock events. Please be sure to check the box on the entry form. More preferred start information here.


A change of event request must be submitted and received in writing by August 6th. Mail or email your request. No phone calls or faxes please. No changes will be allowed after this date. Transferring of numbers will not be permitted.