Base Swim500 swim - form and cruise 500 negative split 500 broken at the 100 with :05 R 500 100 easy, 100 fast 500 strong steady *take 1 min between each 500 100 backstroke cool down
500 swim - form and cruise 500 negative split 500 broken at the 100 with :05 R 500 100 easy, 100 fast 500 strong steady *take 1 min between each 500 100 backstroke cool down
