I did a 35 - minute recovery run a day after the Los Angeles Marathon .
I was doing 80 % of my effort with an average pace of 5 : 40 minutes per kilometer and an average heart rate of 144 bpm .
I did a 35 - minute recovery run a day after the Los Angeles Marathon and I was doing 80 % of my effort with an average pace of 5 : 40 minutes per kilometer and an average heart rate of 144 bpm .