Is there a way to correct inaccurate splits on a run?
Usually my TomTom Spark is very reliable and accurate for my runs but today I ran a short 4km recovery run with a friend and the difference between the splits on my TomTom and her Garmin are astounding.
My TomTom says I ran 7:27, 6:38, 5:48, 5:58.
My friend's Garmin says we ran 5:53; 5:57, 5:52, 5:53 which seems far more likely as it was a short, fast outing for us.
Why does this happen and is it correctable. I know it seems like a small niggle but I worked hard and would like to see the real splits.