https://youcandomore.net/2015/03/01/400m-track-workouts-in-excel/ Your brain is lying to you...don't believe it ! Tue, 29 Aug 2017 15:07:53 +0000 hourly 1 https://youcandomore.net/2015/03/01/400m-track-workouts-in-excel/comment-page-1/#comment-11613 Thu, 14 May 2015 21:21:01 +0000 http://youcandomore.net/?p=2280#comment-11613 Am 31 years, i run 400m and i have been doing alot of long runs to a point where my speed is gone, i have endurance ut am not fast, what workout shoul i do to increase my speed?

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