This training plan is a good fit for cyclists looking to complete their first century ride as well as for those who need or prefer a low-mileage training plan. The plan is 16 weeks long and features four rides per week. It also includes four lactate threshold tests, in Weeks 3, 6, 9 and 12. These tests are opportunities to use BSX Insight to measure your progress and adjust your training zones. Be sure to complete a lactate threshold test before you start the plan in order to establish your initial zones. You should also be able to ride comfortably for at least 20 miles before you start.