Notes
4x1/2m (roughly). Used corte madera bike path. from the stump near the cm center parking lot (on the path) to a wooden fence. then to the bride. then back. back was slight uphill but distance for 1&4 and 2&3 the same. 2:46, 2:32, 2:43, 2:55. was definitely pushing. its that heavy deep breathing that i am just not used to anymore. also, lots of aches. left shin injury reflagged, high stress running.