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HFG - 100 Percent Manual Challenge


This one-off GT4 class race offers clean racing in a friendly community at both European and Americas-friendly times. Our community welcomes fair and clean competition, and respectful behaviour on AND off track, not a win-at all-costs attitude. We have drivers of different skills, so please remember to leave space and be understanding when things go wrong. We will not tolerate bullying, racism, etc.

This race does not allow any automatic assists. Engine electricity, Starter, Pit Limiter, Lights, Wipers, are all manually activated for this challenge.

Our rules are found in the HFG DiscordTo join our events you MUST be a member of our Discord, AND your nickname in Discord MUST contain your SimGrid profile name.


Signups and changes to cars are allowed up to 24 hours before the race (2000 EDT). After that there will be no changes allowed.


Start Time: 2030 EDT / 0030 UTC

Practice - 15 Minutes
Qualifying - 15 Minutes
Race - 45 Minutes

You do not have to join the server at the beginning of practice, just do so before Qualifying begins to avoid causing lag spikes.


There is one mandatory fuel stop. Tires are not required during the pit. Drivers have 6 tyre sets for each race in the series. The pit window is 20 minutes long.


The use of custom liveries made outside of the game is permitted in this series. However, the use of these liveries is not officially supported by the game developers. Please be aware that running external custom liveries can induce significant client side lag when another user connects or disconnects.


If you are signed up but then unavailable to attend, please click 'manage registration' and then click 'leave event' so that others can join the championship. If you want to withdraw from a specific race, please click on 'races' and select 'admin" and click 'withdraw.' Penalties will apply if you do not withdraw from a race and then fail to attend.


This series has post-race stewarding. If you feel someone was deliberately not following the rules, go to the race tab on the SimGrid web site, select the race, then select the admin tab, and click on the incident report button.For rude in-game chat, take a screenshot of the chat and submit it to Jacky Harris or Guidot (Jeff) via PM on Discord.


Half Fast Gaming

10 Events

8 25
Registration Closed

Event Dates

Start Date
Race Day
Next Round
Event Completed Results

Classes & Cars

  • Alpine GT4
  • Aston Martin GT4
  • Audi R8 GT4
  • BMW M4 GT4
  • Chevrolet Camaro GT4
  • Ginetta GT4
  • KTM GT4
  • Maserati GT4
  • McLaren 570s GT4
  • Mercedes AMG GT4
  • Porsche Cayman GT4

No-Show Rules

Max Allowed Penalties
10 Points
No Show Penalty
5 Points
Withdrawals Allowed

Sponsored By

Jacky Harris Racing

Official Partners