2026 Competition Class Structure

Vehicle classification is determined by power-to-weight ratio (BHP per US ton) or by recognized homologation. Homologated cars must compete as homologated and may be subject to Balance of Performance (BoP) adjustments via Event Technical Bulletin.

• SACRIFICE CLASS - Sports Racers & Prototypes

Sacrifice P1 - 261–450 bhp/ton

• Sebeco NP-01 SPX (homologated with 5L uprated engines)
• Radical 1500 (homologated)

Sacrifice P2 - Up to 260 bhp/ton

• Sebeco NP-01 (homologated with 0L standard or 2.5L restricted engines)
• Radical 1340 (homologated)
• ZRS ZP2
• WRL GTU

• FREEDOM CLASS - 225–280 bhp/ton
  • SRO GT4 (homologated)
  • WSC TCR (homologated)
  • SCCA T1
  • SCCA American Sedan

• VALOR CLASS - 175–225 bhp/ton
  • SRO TCX (homologated)
  • SRO TC (homologated)
  • SCCA T2
  • ZRS ZR2
  • WRL GP1
  • NASA ST3 & E0 (TBC)

• REMEMBRANCE CLASS - 125–175 bhp/ton
  • SRO TCA (homologated)
  • Toyota GR Cup (homologated)
  • MX-5 Cup (homologated)
  • ZRS ZR3
  • SCCA T3
  • WRL GP3 / GP2
  • NASA ST5 & E2
• HONOR CLASS - 75–125 bhp/ton
  • SCCA B-Spec
  • WRL GP3
  • SCCA Spec Miata
  • CASC-OR Miata Cup

Entry & Technical Bulletins - Final eligibility, BoP adjustments, and homologation confirmation will be detailed in the Technical and Sports Regulations.�