Common mistakes made in running 1) you tell people your Strava time instead of the official race time Your official time is the one on the official race results page, you can’t just pick whichever one is quicker unfortunately. 2) you claim the marathon course was “too long” and “inaccurate” Your watch will probably track the marathon as longer than 42.2km / 26.2 mi. This doesn’t mean the course is too long or inaccurate, just means the GPS was a bit off at times. This is why it’s important to le