I always commute by stopwatch checkpoints(both to know if I'm going to be late or off-paced), so its kinda strava-ish low tech style Around here there don't seem to be many commuters at the times/routes I go but in my post college years in a different locale there were.

One hot summer day after work which was a solid 20 miles away, I took my newly rebuilt and overhauled Sedona out for the ride home in typical style. Felt solid, kept on driving. In the flatter straightaway I saw a pair of well dressed well paced roadies which took a while to catch(as they should). Eventually I caught them and drafted before they looked back a little closer to see me in a sleeveless and cut-offs on a very knobby mtb. Not sure if that was what killed it or me just wearing them down They didn't catch up for another 5 miles. Either way it was a good maiden run for a bike rebuild that took almost a full winter. Oddly, that tubeless mtb setup was faster on the total time than the Trek roadie that I had been riding. Go fig.