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In 2025, NASCAR sanctioned three national series, four regional series, four international series, and three esports series:

Contents

• National Series
• Regional Series
• International Series
• Esports Series

National Series

• 2025 NASCAR Cup Series
• 2025 NASCAR Xfinity Series
• 2025 NASCAR Craftsman Truck Series

Regional Series

• 2025 ARCA Menards Series
• 2025 ARCA Menards Series East
• 2025 ARCA Menards Series West
• 2025 NASCAR Whelen Modified Tour

International Series

• 2025 NASCAR Canada Series
• 2025 NASCAR Mexico Series
• 2025 NASCAR Euro Series
• 2025 NASCAR Brasil Series

Esports Series

• 2025 eNASCAR Coca-Cola iRacing Series
• 2025 eNASCAR College iRacing Series
• 2025 D-BOX eNASCAR International iRacing Series