| Record | |||||
| Category | General | ||||
| Class | Open Class Multiplace | ||||
| Type | Out & Return Speed 300km | ||||
| Region | Washington | ||||
| status | confirmed | ||||
| Details | |||||
| Record Holder | Henry Rebbeck Patrick Grady | ||||
| Date | 6/14/2025 | ||||
| Location | Methow Valley State Airport | ||||
| Sailplane | DG Flugzeugbau DG-1000 | ||||
| Record Value | 55.72mph | ||||
| Documentation | |||||
| Official Observer | Tory Tolton | ||||
| Flight trace | |||||
| Claim documentation | |||||
| Other documentation | |||||