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  2. Physiology of marathons - Wikipedia

    en.wikipedia.org/wiki/Physiology_of_marathons

    The physiology of marathons is typically associated with high demands on a marathon runner's cardiovascular system and their locomotor system. The marathon was conceived centuries ago and as of recent has been gaining popularity among many populations around the world. The 42.195 km (26.2 mile) distance is a physical challenge that entails ...

  3. Running economy - Wikipedia

    en.wikipedia.org/wiki/Running_economy

    Running economy. Running economy ( RE) a complex, multifactorial concept that represents the sum of metabolic, cardiorespiratory, biomechanical and neuromuscular efficiency during running. [1] : 33 [2] [3] Oxygen consumption (VO 2) is the most commonly used method for measuring running economy, as the exchange of gases in the body, specifically ...

  4. Bruce protocol - Wikipedia

    en.wikipedia.org/wiki/Bruce_protocol

    [citation needed] The heart rate formula most often used for the Bruce is the Karvonen formula (below). A more accurate formula, offered in a study published in the journal, Medicine & Science in Sports & Exercise, is 206.9 - (0.67 x age) which can also be used to more accurately determine VO2 Max, but may produce significantly different results.

  5. The best GPS running watches for 2023 - Engadget

    www.engadget.com/best-gps-running-watch...

    The best GPS running watch for triathletes: Garmin Forerunner 745. Garmin. Garmin Forerunner 745. Best for triathletes. Garmin's watch has a myriad of training and recovery features for serious ...

  6. Apple Watch Series 2 review (as written by a marathoner)

    www.engadget.com/2016-09-23-apple-watch-series-2...

    All told, Apple says the dual-core CPU inside can deliver up to a 50 percent performance gain, while the GPU is up to twice as fast as on last year's watch. The Series 2 does indeed feel ...

  7. Adidas miCoach Smart Run review: the almost-perfect training ...

    www.engadget.com/2013-11-19-adidas-micoach-smart...

    By default, when you start tracking a run from the watch menu, you'll see either your heart rate, or pace. Swipe up and you can see additional info -- splits, total distance, time, et cetera.

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