| Record | |||||
| Category | General | ||||
| Class | Open Class Multiplace | ||||
| Type | Triangle Speed 100km | ||||
| Region | Michigan | ||||
| status | confirmed | ||||
| Details | |||||
| Record Holder | John Sullivan Glenn Betzoldt | ||||
| Date | 9/18/2025 | ||||
| Location | Ionia | ||||
| Sailplane | Schempp-Hirth Arcus M | ||||
| Record Value | 56.1mph | ||||
| Documentation | |||||
| Official Observer | Laura Betzoldt | ||||
| Flight trace | |||||
| Claim documentation | |||||
| Other documentation | |||||