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<blockquote data-quote="TorqPenderloin" data-source="post: 1145652" data-attributes="member: 211504"><p>[USER=74874]@curiouser[/USER] makes some excellent points and many/all of them hold true for me, personally.</p><p></p><p>While I definitely don't race, I can run for about 90 minutes (avg. about 9minute miles) before I start to get bored.</p><p></p><p>As crazy as it sounds, I find that a shorter ~3mile run actually makes it tougher to manage my blood sugar than longer runs that exceed 45-60 minutes. The main reason for that is around depleting glycogen reserves as curiouser mentioned. If I only run 3 miles, my blood sugar will continue to climb for another 15-30 minutes and will usually need an insulin correction to bring back down.</p><p></p><p>My issues are more with respect to hypers rather than hypos and I only begin to have (small) hypo issues if I exceed 10 miles.</p><p></p><p>My general approach is to run early in the morning 5:30am-7am when my chances of hypos are lowest. On days I run, I give myself a very small bolus (half a unit) and my normal Levemir dose. On days I don't run, I give myself a 1-1.5 unit bolus in order to combat my morning spikes that mimic dawn phenomenon (although likely from my high protein intake).</p><p></p><p>The end result is that I get a modest blood sugar rise in the first ~30 minutes of running, and after that my levels begin to fall back down to normal (4-6mmol/l) as stay that way until I exceed 90 minutes of running.</p></blockquote><p></p>
[QUOTE="TorqPenderloin, post: 1145652, member: 211504"] [USER=74874]@curiouser[/USER] makes some excellent points and many/all of them hold true for me, personally. While I definitely don't race, I can run for about 90 minutes (avg. about 9minute miles) before I start to get bored. As crazy as it sounds, I find that a shorter ~3mile run actually makes it tougher to manage my blood sugar than longer runs that exceed 45-60 minutes. The main reason for that is around depleting glycogen reserves as curiouser mentioned. If I only run 3 miles, my blood sugar will continue to climb for another 15-30 minutes and will usually need an insulin correction to bring back down. My issues are more with respect to hypers rather than hypos and I only begin to have (small) hypo issues if I exceed 10 miles. My general approach is to run early in the morning 5:30am-7am when my chances of hypos are lowest. On days I run, I give myself a very small bolus (half a unit) and my normal Levemir dose. On days I don't run, I give myself a 1-1.5 unit bolus in order to combat my morning spikes that mimic dawn phenomenon (although likely from my high protein intake). The end result is that I get a modest blood sugar rise in the first ~30 minutes of running, and after that my levels begin to fall back down to normal (4-6mmol/l) as stay that way until I exceed 90 minutes of running. [/QUOTE]
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