John O'Brien
| Event | Category | Date | |
|---|---|---|---|
| 1 | Alpine Epic XC MTB Endurance Race | Category 2 Men 60+ | 6/10 |
| 3 | Sisters Stampede | Category 2 Men 60+ | 5/28 |
| 1 | Twilight Time Trials | Men 60+ | 5/23 |
| 3 | Silver Falls XC Mountain Bike Race | Category 2 Men 60+ | 5/20 |
| 1 | Twilight Time Trials | Men 60+ | 5/16 |
| 1 | Twilight Time Trials | Men 60+ | 5/9 |
| 1 | Twilight Time Trials | Men 60+ | 5/2 |
| 1 | Deschutes River Valley Time Trials | Men 60+ | 4/29 |
| DNS | Chilly Crow Time Trial | Men 60-69 | 4/16 |
| 1 | Chilly Crow Time Trial | Masters Men 60-69 | 4/9 |
| 1 | Chilly Crow Time Trial | Men 60-69 | 4/2 |
62nd — Mountain Bike BAR: Masters Men
| Event | Category | Date | Points | |
|---|---|---|---|---|
| 3 | Silver Falls XC Mountain Bike Race | Category 2 Men 60+ | 5/20 | 13 |
| 3 | Sisters Stampede | Category 2 Men 60+ | 5/28 | 13 |
| 1 | Alpine Epic XC MTB Endurance Race | Category 2 Men 60+ | 6/10 | 15 |
| 41 |
52nd — Road BAR: Masters Men
| Event | Category | Date | Points | |
|---|---|---|---|---|
| 1 | Deschutes River Valley Time Trials | Men 60+ | 4/29 | 15 |
| 15 |
551st — Ironman: Calculation
| Event | Category | Date | Points | |
|---|---|---|---|---|
| 1 | Chilly Crow Time Trial | Men 60-69 | 4/2 | 1 |
| 1 | Chilly Crow Time Trial | Masters Men 60-69 | 4/9 | 1 |
| DNS | Chilly Crow Time Trial | Men 60-69 | 4/16 | |
| 1 | Deschutes River Valley Time Trials | Men 60+ | 4/29 | 1 |
| 1 | Twilight Time Trials | Men 60+ | 5/2 | 1 |
| 1 | Twilight Time Trials | Men 60+ | 5/9 | 1 |
| 1 | Twilight Time Trials | Men 60+ | 5/16 | 1 |
| 3 | Silver Falls XC Mountain Bike Race | Category 2 Men 60+ | 5/20 | 1 |
| 1 | Twilight Time Trials | Men 60+ | 5/23 | 1 |
| 3 | Sisters Stampede | Category 2 Men 60+ | 5/28 | 1 |
| 1 | Alpine Epic XC MTB Endurance Race | Category 2 Men 60+ | 6/10 | 1 |
| 10 |
6th — Age-Graded BAR: Masters Men 60-64
| Event | Category | Date | Points | |
|---|---|---|---|---|
| 32 | Overall BAR | Masters Men | 2023 | 777 |
| 777 |
32nd — Overall BAR: Masters Men
| Event | Category | Date | Points | |
|---|---|---|---|---|
| 12 | Time Trial BAR | Masters Men | 2023 | 289 |
| 52 | Road BAR | Masters Men | 2023 | 249 |
| 62 | Mountain Bike BAR | Masters Men | 2023 | 239 |
| 777 |
12th — Time Trial BAR: Masters Men
| Event | Category | Date | Points | |
|---|---|---|---|---|
| 1 | Chilly Crow Time Trial | Men 60-69 | 4/2 | 15 |
| 1 | Chilly Crow Time Trial | Masters Men 60-69 | 4/9 | 15 |
| DNS | Chilly Crow Time Trial | Men 60-69 | 4/16 | |
| 30 |