Tom Peck NASCAR Xfinity Series results at Darlington
| Year | Race # | Start | Finish | Car # | Sponsor | Engine | Owner | Crew Chief | Qualifying Speed | Laps | X Led | Laps Led | Status | Money | Points | 
| 1988 | 24 | 22 | 24 | 96 | Hagerstown Speedway | Oldsmobile |  |  |  | 141 | 0 | 0 | running | 625 | 91 | 
| 1989 | 5 | 30 | 35 | 96 | JLG Industries | Oldsmobile |  |  |  | 93 | 0 | 0 | engine | 560 | 58 | 
| 1989 | 23 | 10 | 5 | 96 | Sikkens Car Refinishes | Oldsmobile |  |  |  | 147 | 0 | 0 | running | 5350 | 155 | 
| 1990 | 6 | 19 | 11 | 96 | Thomas Chevrolet | Oldsmobile |  |  |  | 146 | 0 | 0 | running | 2257 | 130 | 
| 1990 | 24 | 37 | 14 | 96 | Thomas Racing | Oldsmobile |  |  |  | 146 | 0 | 0 | running | 2525 | 121 | 
| 1991 | 7 | 22 | 10 | 96 | Thomas Racing | Oldsmobile |  |  |  | 146 | 0 | 0 | running | 4375 | 134 | 
| 1991 | 25 | 22 | 8 | 96 | Thomas Racing | Oldsmobile |  |  |  | 147 | 0 | 0 | running | 5332 | 142 | 
| 1992 | 6 | 32 | 20 | 19 | Levin Racing | Oldsmobile |  |  |  | 144 | 0 | 0 | running | 2505 | 103 | 
| 1992 | 25 | 29 | 15 | 19 | Levin Racing | Oldsmobile |  |  |  | 145 | 0 | 0 | running | 3260 | 118 | 
| 1993 | 4 | 3 | 32 | 19 | S-K Hand Tools | Chevrolet |  |  |  | 78 | 0 | 0 | accident | 3085 | 67 | 
| 1993 | 20 | 39 | 19 | 19 | Delco-Remy | Chevrolet |  |  |  | 144 | 0 | 0 | running | 3535 | 106 | 
| 1994 | 6 | 34 | 27 | 31 | Channellock Tools | Chevrolet |  |  |  | 145 | 0 | 0 | running | 5070 | 82 | 
| 1995 | 21 | 24 | 19 | 18 | Unifirst Uniforms | Ford |  |  |  | 146 | 0 | 0 | running | 3485 | 106 |