| date | event | finish | age | home | time | gender | division | place |
|---|
| Alvin Lai/Zach Lai |
|---|
| 02/27/2015 | Couples Relay (10K - 5K each runner) | 105 | - | | 53:42 | - | 40-59 | 20 |
| Alvin Lai |
|---|
| 07/23/2023 | 4th Sunday Run (5K) | 49 | 55 | Castro Valley | 29:54 | M | 50-59 | 5 |
| 05/28/2023 | Tilden Tough Ten (10 Miles) | 81 | 55 | Castro Valley | 104:19 | M | 50-59 | 15 |
| 07/25/2022 | 4th Sunday Run (5K) | 22 | 54 | Castro Valley | 26:21 | M | 50-59 | 4 |
| 08/23/2015 | 4th Sunday Run (5K) | 52 | 47 | | 28:43 | M | 40-49 | 6 |
| 05/17/2015 | Tilden Tough Ten (10 Miles) | 196 | 46 | | 101:56 | M | 40-49 | 40 |
| 05/18/2014 | Tilden Tough Ten (10 Miles) | 183 | 45 | Castro Valley | 98:09 | M | 40-49 | 40 |
| 05/25/2013 | Tilden Tough Ten (10 Miles) | 195 | 44 | Castro valley | 101:38 | M | 40-49 | 51 |
| 05/20/2012 | Tilden Tough Ten (10 Miles) | 195 | 43 | Castro Valley | 102:00 | M | 40-49 | 43 |
| 04/26/2009 | 4th Sunday Run (5K) | 54 | 40 | | 31:42 | M | 40-49 | 9 |