The first one.
The 70.3 half Ironman is a triathlon not a marathon. It consist of an 1.2 mile swim, 56 mile bike, and an 13.1 mile run.
26.2 miles. Every marathon is that long.
Typically the term for a 13-mile run is hyphenated half-marathon.
it's simple. it says it in the question, it's marathon.
20 mile mark
It was set by Paula Radcliffe of the United Kingdom on April 13, 2003 at the London Marathon. The time was 2:15:25
Natick, MA
9.154 minutes per mile (rounded)
mile and kilometer
Marathon Bar.
A 26.2-mile marathon is 42.16 kilometers.
Wikipedia is a very valid source for finding out how long a marathon is. Specifically, a marathon is a long-distance run based around the 25 mile mark.