Put a magnet on your car, refrigerator, etc. to let others know that you ran a memorable distance! Or hand this great running gift to a friend at the finish line of their next long race. 5 inches wide by 3 ¼ inches high. Magnets we carry include the half marathon (13.1), marathon (26.2), 50K (31M), 50 miles (50M), 62 miles (100k) and 100 miles (100M).