strain. Similarly, repeatedly working just one group of muscles can lead to a strength imbalance within the leg, leaving it more susceptible to injury. Time spent pursuing sports that work the opposing muscles (such as cycling) will improve your stride
. In addition I typically swam one or two times a week and cycled one or two times a week. I did suffer in the marathon and found the last quarter very tough. I didn’t have enough decent long runs in the bank and I'm pretty sure my relatively low mileage didn
