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Trackday: THill West with OnGrid

  • Thunderhill Raceway 5250 State Highway 162 Willows, California 95988 (map)


Sina and Marios from the previously known organization, Speed-Dynamics bring you OnGrid!

OnGrid will be at Californias newest race track, Thunderhill West. This 2 mile course is extremly popular and very rare to run so do not miss the oppertunity to come join OnGrid for another fantastic driving day!

Gates Open at 7am, the track is hot from 9:00am-5:00pm with a 60 minute lunch break. Each run group will recieve (5) 20 minute sessions with a potential 6th 20 minute session.



Available groups:

Group 1 (Beginner/Low Intermediate)
Group 2 (High Intermediate)
Group 3 (Advanced)
Group 4 (Advanced)

Group 1 - Intended for drivers with a small amount of track experience. (usually 1-5 days)
This group allows drivers to focuses on furthering their comfort on track and taking the correct racing lines without being pressured.
Point By Passing is Mandatory and only allowed on the straights.

Group 2 - High Intermediate is intended for drivers with a medium level of track experience. (usually 6-10 days)
This group is similar to Group 1 but for drivers with more experience and awareness.
Open Passing Allowed on Straights when safe. Point-Bys are still Required on Corners.

Group 3 - Intended for drivers with a greater amount of track experience. (usually 11+ days).
Group 3 is the same a Group 4, but intended for drivers with slower cars (around 1:32 or faster lap times generally).
Open Passing is Allowed everywhere.

Group 4 - Similar to Group 3 but for drivers with faster cars (1:28 or faster lap times generally).
This group will have a low car count and is great for drivers looking for fast laps.
Open Passing is Allowed everywhere.

OnGrid welcomes everyone from seasoned pros to beginners with no prior experience. We hold fun, low key and relaxed events. Our class room sessions allow beginners to get comfortable with driving on a race track.

Spots are limited allowing maximum seat time.

Must be 18+ to drive or ride along on the race track. Any age is allowed on the facility to hangout.

OnGrid offers session by session personal instruction, please check out our registration page for options.

Entering Thunderhill property is free.