Week 1: Run 1 minute. Walk 90 seconds. Repeat 8 times. Week 2: Run 2 minutes. Walk 1 minute. Repeat 7 times. Week 3: Run 3 minutes. Walk 1 minute. Repeat 6 times. Week 4: Run 5 minutes. Walk 2 minutes. Repeat 4 times. Week 5: Run 8 minutes. Walk 2 minutes. Repeat 3 times. Week 6: Run 12 minutes. Walk 1 minute. Repeat 3 times. Week 7: Run 15 minutes. Walk 1 minute. Run 15 minutes. Week 8: Run 30 minutes continuously. Do Each 3x A Week