Double Unders seminar 20+21+27 April

We are thrilled to announce that CrossFit Leman will be hosting two double under seminars the 20th, 21st and 27th of April 2016. Save the date, this seminar sold really fast last time we held it. The JumpNrope instructors travel worldwide teaching this highly-effective (and entertaining!) two-hour seminar. Since 2011 JumpNRope has conducted over 350 Double Under [...]

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