A. 20.4 miles
B. 26.2 miles
C. 23.5 miles
D. 24.6 miles
🧠 Explanation:
A marathon’s official distance is 26.2 miles, a standard set from the 1908 London Olympics. This race is a key topic in sports and fitness, engaging runners and enthusiasts. Understanding its distance highlights endurance training, relevant for athletics and health studies. The marathon’s global popularity attracts those exploring competitive sports and personal fitness, emphasizing its role in promoting physical health and inspiring events like the Boston or London Marathons worldwide.