A recent post by Scientific American reports on a study concluding that endurance events, including marathons, ultra marathons, and long-distance cycling, might cause scarring the heart, leading in some cases to a fatal cardiac event.  See

While fatalities in marathons and ultramarthons are rare events, a long-term study of 52,000 runners found that those who only ran one to 20 miles a week spaced out over two to five days and at an 8.5- to 10-minute mile lived longest.  (Note: other lifestyle factor in this group were not reported, so running may or may not have been the operative factor).

The good news for followers of Smart Marathon Training, though, is that targeted truing still seems to be there nest way to go.  “Indeed,” reported Scientific American, “the best bang for your buck seems to be a daily short session—just 20 minutes or so—of intense, interval-based exercise, such as repeated bursts of intense running, biking, swimming or strength training with short recovery periods in between.”


About horowitzrun

Jeff is a certified running, cycling, and triathlon coach, and is the author of "My First 100 Marathons" (Skyhorse Press 2008) and "Smart Marathon Training" (Velo Press 2011). An obviously addicted runner, Jeff has run at least one marathon in every state and on 6 continents, including marathons in South Africa, China, Bangkok, and Antarctica. Jeff is available for group, one-on-one, and virtual coaching. Options include: 1. Basic Training Plan. This includes a customized training schedule geared towards a goal race, with a detailed running schedule that would include all distances and target times for each workout, including speedwork, tempo, and endurance sessions. 2. Complete Fitness and Race Plan. This includes the plan listed above, plus the non-running workouts and drills that runners need for better overall fitness and performance. You would get strength & core workouts, as well as run-specific training drills and stretches. 3. Virtual Coaching. This includes all of the above, implemented on a week-by-week basis. We review each week's progress at week's end so that adjustments can be made. The program is tailored to suit you right up to race day. It involves more contact, on a weekly or even daily basis. 4. Full Coaching for athletes in the Washington DC area. All of the above, plus a weekly workout together including speedwork, drills, and strength training. 5. Individual track sessions. One-on-one track-based workouts. Contact Jeff for pricing.
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