13th Week - GT3 Challenge Fixed - 2025 Season 3
13th Week GT3 Challenge - Fixed - iRacing
Sep 09, 2025
-
Sep 15, 2025
iRacing
Events
13th Week - GT3 Challenge Fixed - 2025 Season 3 - Week 1 - Watkins Glen International (Boot)
Sports Car
Official
Completed
Watkins Glen International
(Boot)
USA
iRacing 13th Week GT3 Challenge - Fixed Week 0
No scheduled sessions
13th Week - GT3 Challenge Fixed - 2025 Season 3 - Week 2 - Autódromo Hermanos Rodríguez (Grand Prix)
Sports Car
Official
Completed
Round 2
Autódromo Hermanos Rodríguez
(Grand Prix)
Mexico
iRacing 13th Week GT3 Challenge - Fixed Week 1
No scheduled sessions
13th Week - GT3 Challenge Fixed - 2025 Season 3 - Week 3 - Sonoma Raceway (Sportscar)
Sports Car
Official
Completed
Round 3
Sonoma Raceway
(Sportscar)
USA
iRacing 13th Week GT3 Challenge - Fixed Week 2
No scheduled sessions
13th Week - GT3 Challenge Fixed - 2025 Season 3 - Week 4 - Circuit de Spa-Francorchamps (Grand Prix Pits)
Sports Car
Official
Completed
Round 4
Circuit de Spa-Francorchamps
(Grand Prix Pits)
Belgium
iRacing 13th Week GT3 Challenge - Fixed Week 3
No scheduled sessions
13th Week - GT3 Challenge Fixed - 2025 Season 3 - Week 5 - Shell V-Power Motorsport Park at The Bend (International Circuit)
Sports Car
Official
Completed
Round 5
Shell V-Power Motorsport Park at The Bend
(International Circuit)
Australia
iRacing 13th Week GT3 Challenge - Fixed Week 4
No scheduled sessions
13th Week - GT3 Challenge Fixed - 2025 Season 3 - Week 6 - Autódromo Hermanos Rodríguez (Grand Prix)
Sports Car
Official
Completed
Round 6
Autódromo Hermanos Rodríguez
(Grand Prix)
Mexico
iRacing 13th Week GT3 Challenge - Fixed Week 5
No scheduled sessions
13th Week - GT3 Challenge Fixed - 2025 Season 3 - Week 7 - Autodromo Internazionale Enzo e Dino Ferrari (Grand Prix)
Sports Car
Official
Completed
Round 7
Autodromo Internazionale Enzo e Dino Ferrari
(Grand Prix)
Italy
iRacing 13th Week GT3 Challenge - Fixed Week 6
No scheduled sessions