1) Advances rapidly 2) Big steps 3) Hardly baby steps 4) In Australia, worn steps 5) Large steps 6) Long steps 7) Long steps or paces 8) Major advances 9) Major steps 10) Natural paces 11) Progress 12) Progress, so to speak 13) Purposeful gaits 14) Significant advancement 15) Significant advances 16) Slang for trousers Found on https://www.crosswordclues.com/clue/strides
Short, fast but controlled runs lasting 15-45 seconds followed by full recovery; benefits include faster leg turnover and improvements in running form Found on http://www.howtobefit.com/glossary-of-running.htm
Short, fast, but controlled runs of 50 to 150 meters. Strides, which are used both in training and to warm up before a race, build speed and efficiency. Found on https://www.encyclo.co.uk/local/21244