I think my next 30 day challenge will be this interval workout: http://www.runnersworld.com/peak-performance/new-workout-the-30-20-10-produces-impressive-results … Only 10 second sprints, but still promising results.
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Replying to @mattcutts
@mattcutts it works! Also good for on the bike too or the trainer if you prefer riding indoors.1 reply 0 retweets 0 likes
Replying to @chipnicodemus
@chipnicodemus of course, 5-6% improvement on "very slow" pace of mine is still "very slow" :)
5:42 PM - 30 Jul 2015
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