| Record | |||||
| Category | General | ||||
| Class | Open Class Singleplace | ||||
| Type | Out & Return Speed 500km | ||||
| Region | Washington | ||||
| status | confirmed | ||||
| Details | |||||
| Record Holder | Kelvyn Flavall | ||||
| Date | 5/25/2025 | ||||
| Location | Ephrata | ||||
| Sailplane | Binder EB29R | ||||
| Record Value | 61.32mph | ||||
| Documentation | |||||
| Official Observer | Michael Bamberg | ||||
| Flight trace | |||||
| Claim documentation | |||||
| Other documentation | |||||