Danny Brewer's product work log documents his triathlon training activities from December 14, 2011 to January 18, 2012. The log shows that he ran 6 and 4 miles on December 14, ran and biked on January 4 to practice transitions, and on January 18 he biked 8 miles, ran 5 kilometers, and commented that his biking was improving but still weak while running was easy after training.