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FixedMulticlass
13th Week iRacing Prototype Challenge - Fixed
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13th Week - iRacing Prototype Challenge - Fixed - 2026 Season 3
2026 · S3 · 7 WEEKS
ACTIVE SESSION
W6/7
SEASON PROGRESS71%
Allowed Cars
8 cars
GTP
Cadillac V-Series.R GTPMARKET
Acura ARX-06 GTPMARKET
Ferrari 499PMARKET
Porsche 963 GTPMARKET
BMW M Hybrid V8 (Evo)MARKET
Eligibility
REQUIRED LICENSE
R
Log in to verify if you have the required license and content to compete in this series.
Championship
Competition Rules
Duration
15 m
Fast Repairs
1x
Start Type
Rolling
DSQ Limit
Off
Open Practice
120m
GWC Limit
None
Lucky Dog
Disabled
Driver Changes
Solo
Tire Types
Standard
Participation
Starters
6–26
Min – Max drivers per race session
Driver Changes
Solo
Single driver only
Setup Format
Fixed
All cars use same baseline
Categorization
Multiclass
Multiple car classes