yesterday i started the work out for it.
400 warm up (25 cr + 25 im)
8x50 on 50'' IM (25 kick on back + 25 soft desc)
2x(4x25 butterfly strong on 30'' + 50 easy on germanic back)
5x200 crawl B1 on 2'30'' (160/170 bpm)
4x50 easy back & *** rec 15''
10x100 crawl B1 on 1'20''
4x50 easy back & *** (punch) rec 15''
Tot. 3.500m
