GTR
Grumbles Team Rowing.
Team Capt. Ron Grumbles Sr.
Team Members; Our team is open to anyone. The majority members are from my family.
World Erg Challenge Participants
| Pos. | Athlete | Age | Location | Country | Challenge |
|---|---|---|---|---|---|
| 1 | Ron Grumbles | 60 | Thrall, TX | USA | 305,000 |
| 2 | Misty Grumbles | 55 | Thrall, TX | USA | 290,000 |