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