I-35 Speedway
Track Conditions
Track Affiliations
| Location: | Mason City, Iowa |
| Surface: | Dirt |
| Length: | 1/2 mile |
| Race Days: | Sunday |
| Phone: | 641 424-6515 |
| Visit track website | |
- Sunday, 3/20
- Sunday, 3/20
- Saturday, 4/9
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