Side Effects. Side effects are rare; still symptoms like ear irritation, acute inflammation of the ear canal and pinna are reported. In some cases the pet might experience lack of appetite, vomiting, diarrhea, or hearing loss during the course of treatment, which might require immediate medical aid.
Furthermore, if the median age of a marathon participant is about 40, then the average maximum heart rate of a U.S. marathoner is about 180. Seventy percent of 180 is 126, while 80 percent is 144. Therefore, the heart rate of a mid-pack runner during a marathon is near the middle of the range -- between 126 and 144, or 135 beats per minute.
Long Runs: The key to getting ready to finish a Half Marathon is the long run, progressively increasing in distance each weekend. Over a period of 12 weeks, your longest run will increase from 3 to 10 miles.Don't worry about making the final jump from 10 miles in practice to 13.1 miles in the race.ong Runs: The key to getting ready to finish a Half Marathon is the long run, progressively increasing in distance each weekend. Over a period of 12 weeks, your longest run will increase from 3 to 10 miles.