Prior to Stanford
- 1M Junior National Champion (2025)
- California State 1M Champion (2025)
- Junior National Championship podium finish 3M (3rd) and Platform (3rd) (2025)
- Placed 4th (1M and Platform) at the 2024 Jr. National Championships
- Placed 2nd (3M) at the 2023 Jr. National Championships
- Two-time Zone E Champion -1M, 3M, and Platform (2024-25)
- Three-time Central Coast Section High School 1M diving Champion (2023-25)
- Named to the National Interscholastic Swim Coaches Association 1M Diving All American Teams for years 2023, 2024, and 2025
- Placed 5th on 3M at the 2023 Junior Pan Am Championships
Personal
- Son of Edwin and Lisa Grubbs
- Coached by Oleg Andriyuk and Ryan Wallace at Stanford Diving Club
- Started diving at age 12
- Former level 7 gymnast; Placed 3rd in 2018 Men's Region 1 Championships