I love to run. Or I used to. In the past five years, body has gone from expressing mild resistance to running to flat out refusal. Injury, pain, and general malaise would be the three top descriptors of my post-cancer running career. I’d built my identity around my status as a runner and, even as my relationship with the sport soured, I held onto the hope that with enough time/training/nutrition/motivation my post-cancer body would return to pre-cancer performance. I had never been a run-every-day-to-keep-a-streak-going kind of runner, but I loved the endorphin high of a good run. I had never been fast, but I did track my distance, pace, and race times religiously, comparing current race pace to prior runs and rejoicing with each new personal record. I celebrated every incremental increase in mileage, owned more than my share of training magazines and manuals, and had at least one race-like event scheduled for almost every month of the year. I ran solo for stress relie...