Hardship vs Warm Up Laps
#30430 from Eric Heinrich · Rule change · TB 21-05 (2021-05 Fastrack)
In GCR, Appendix F. Technical Glossary, add the following:
"Hardship Lap – The driver does not take a complete lap. The driver enters the track at Pit Out and exits the track at Pit In without
making a complete lap."
"Warmup Session – A warmup session is a time certain session of laps that are intended to allow drivers to test their vehicles
prior to race sessions."