The Distance of a Marathon is 26.2 statute miles.  This is also equal to:

• (mi) 26.2 miles
• (km)  42.1648128 kilometers
• (nmi) 22.767 nautical miles
• (m) 42,164.8128 meters
• (yd) 46,112.0 yards
• (ft) 138,336.0 feet