question about 2 pains

ok every saturday i go for a ride with a riding group...usually 35-40 miles. when i am done, the rest of the day i have a dull pain in the middle of my back just to the left of my spine. it hurts every time i take a deep breath or sneeze. the next day the pain is gone.

for my second pain, when i go do my running workouts at the local high school track, i sometimes incorporate a few laps of all out sprints on the straightaways and walk briskly around the curves. when im done with my workouts, the first two toes on the side of my big toe, on the bottoms, have a "carpet burn" sensation. its almost like they were constantly being rubbed and are raw. the pain goes away the next day.


these arent bad pains, just annoying ones. can anyone relate to this or maybe have an idea of why they are caused?

thx