Walk for 3 minutes at 4.0; run at 7.0 for 90 seconds; then sprint at 9.5 for 30 seconds -- repeat until you have completed 30 minutes (should be close to 4 miles!) -- then jog for 3 minutes to cool-down.
Is run a marathon on your bucket list? Now is the time to cross it off! Join the Calgary Marathon 2013 and run on behalf of Child Find Alberta. Raise funds for an amazing organization and cross something off your bucket list. Buckets Lists Running, Bucketlist Marathons, Buckets Lists Marathons, Half Marathons, Motivation, Before I Die, Life Goals, Fit Buckets Lists, Bucket Lists