" Race courses are usually held on the streets of major cities and towns but they could be on any sealed road. Most road races are either 5 km (3 . 1 miles), 10 km (6. 2 miles), half-marathon (21. 097 km, 13. 1 miles), or marathon (42. 195 km, 26. 1220 Balance New Running Shoes2 miles), but non-standard distances are also acceptable. The "Round the Bays" run in Auckland, New Zealand is 8. "

"4 km (5. 2 miles), the SBLI Falmouth Road Race in Falmouth Cape Cod is 7 miles long, San Francisco's "Bay to Breakers" is 12 km (7. 46 miles); "City to Surf" in Sydney, Australia is 14 km, Honolulu's "Great Aloha Run" is 8. 15 miles (13. 12 km), and the "Charleston Distance Run" in Charleston, West Virginia is 15 miles (24. 14 km). Any running that covers a distance further than a marathon is called ultrarunning; the event is an ultramarathon. 470 Balance New Running Shoes Trail Such events can be measured in distance (for example, 100 kilometers) or by time (whoever has run the farthest after 24 hours). Examples include the London to Brighton run in England which is just over 54 miles (87. "