Key facts
- Porsche won the prototype Petit Le Mans race.
- Alpine will retire from WEC at year-end.
- Genesis, Ford, and McLaren are joining WEC.
- OEMs favor IMSA's LMDh regulations over WEC's Hypercar rules.
- A single set of regulations is being discussed for 2030.
Sportscar racing is experiencing a surge in popularity, driven by factors like the "Drive to Survive" effect, visually appealing cars, and enhanced fan access. IMSA's audience has grown significantly both domestically and internationally. The 2026 IMSA season concluded with Porsche securing its first prototype Petit Le Mans win at Road Atlanta. However, the sport faces challenges including manufacturer pullbacks due to economic outlooks and geopolitical events, as well as regulatory divergence between IMSA's LMDh rules and the World Endurance Championship's (WEC) Hypercar regulations. Despite these hurdles, new manufacturers like Genesis, Ford, and McLaren are entering WEC, and stakeholders are discussing a unified regulatory framework from 2030.