Ohsweken Speedway
| The Big O | |
|---|---|
| Location | 1987 Chiefswood Road Ohsweken, Ontario Canada |
| Time zone | UTC−05:00 (UTC−04:00 DST) |
| Coordinates | 43°04′58″N 80°06′47″W / 43.082798°N 80.112981°W |
| Capacity | 8,000 |
| Owner | Styres Family |
| Operator | Glenn Styres & Curt Styres |
| Broke ground | 1994 |
| Opened | 1996 |
| Major events | Current: World of Outlaw Sprint Car Series (2025-present) Northern Sprint Car Nationals (2023–present) Former: NASCAR Canada Series Northern Summer Nationals (2022–2024) World of Outlaws Sprint Car Series Six Nations Showdown (2007–2017) Super DIRTcar Series Triple Crown Showdown (2015, 2017, 2020) World of Outlaws Late Model Series Six Nations 50 (2008–2009) Canadian Sprint Car Nationals (2005–2022) |
| Oval (1996–present) | |
| Surface | Clay |
| Length | 0.375 miles (0.604 km) |
| Turns | 4 |
| Banking | 15 degrees |
| Race lap record | 12.047 sec (Kraig Kinser, Steve Kinser Racing, 2010, 410 Sprint Car) |
The Ohsweken Speedway is a 0.375 miles (0.604 km) dirt track in the village of Ohsweken, Ontario, Canada. Ohsweken’s weekly Friday night racing program runs from May to September each year, featuring 360 Sprint Cars, Crate Sprint Cars, Thunder Stocks, and Mini Stocks, while the season finishes each year with the annual Northern Sprint Car Nationals. Ohsweken Speedway also hosts weekly Micro Sprint racing on Thursday nights, and hosted the World of Outlaws Sprint Car Series from 2007 until 2017. The World of Outlaws Sprint Car Series returned in 2025.