DHI

Whether one speaks of track experience or durability of consumables... What constitutes ONE track day?

4 or 5 20 minutes sessions?

JClark

One rotation of the earth spent at a race track.

pontifex4

Good question. I would imagine that for the majority who use the term, it constitutes around two hours of eight tenths driving. That's certainly what it means for me, in any case.

Frank 993 C4S

17 GAL of gas.

cornerhans

A single fix to an expensive addiction!

J Berk

4 or 5 20 min sessions is probably a good time-average.

My993C2

+1

schwank

By this measure after 4 years of competitive racing my car has never done a track day. I use 13 gal of gas in an entire race weekend, but that is pretty much 4 or 5 sessions.

VaSteve

Provided you're actually on the track.

PasPar2

Last track day with PCA was 4 30 minutes sessions. With HOD I got 6 (!) sessions but green went out with yellow...

Crazy Canuck

You really don't want to start adding up the $$$.

bobt993

To the OP that is a reasonable definition. There are events that distort what is reasonable. eg: I did an event in Germany years back where we were on track for almost 12 hours a day. ( I was really tired too!). I think saturation happens over 2 hours unless there is serious test/tune going on and that is for car development not driver training.