| Record | |||||
| Category | General | ||||
| Class | Sports Class | ||||
| Type | Out & Return Speed 300km | ||||
| Region | Michigan | ||||
| status | confirmed | ||||
| Details | |||||
| Record Holder | Glenn Betzoldt | ||||
| Date | 9/12/2025 | ||||
| Location | Merillat, MI | ||||
| Sailplane | Schleicher ASH-31MI-18 | ||||
| Record Value | 51.18mph | ||||
| Documentation | |||||
| Official Observer | Laura Betzoldt | ||||
| Flight trace | |||||
| Claim documentation | |||||
| Other documentation | |||||