1999 Toyota Trucks/Thor/Parts Unlimited Supercross Series St. Louis: 125ESX Results
March 27, 1999
- Monster Energy AMA Supercross Championship
- AMA Pro Motocross Championship
- SuperMotocross World Championship
- FIM Motocross World Championship
- Progressive GNCC Racing
- Motocross of Nations
- FIM World Supercross Championship
- Australian Supercross Championship
- Women's Motocross Championship
- Monster Energy Cup
125ESX Results
| Rider | Hometown | Bike | |
|---|---|---|---|
| 1 | | Costa Rica | Yamaha |
| 2 | | Greensboro, NC | Yamaha |
| 3 | | Quail Valley, CA | Suzuki |
| 4 | Nicholas Wey | DeWitt, MI | Kawasaki |
| 5 | | Wapakoneta, OH | KTM |
| 6 | | Martinez, GA | Yamaha |
| 7 | | Colton, CA | Suzuki |
| 8 | | Kennesaw, GA | Suzuki |
| 9 | | Lawrence, KS | Suzuki |
| 10 | | Stillwater, OK | KTM |
| 11 | | Kansas City, MO | Kawasaki |
| 12 | | Eagle, ID | Honda |
| 13 | | Quebec | Suzuki |
| 14 | | Ludington, MI | KTM |
| 15 | | Oklahoma City, OK | Suzuki |
| 16 | | Pickerington, OH | Yamaha |
| 17 | | Mt. Pleasant, PA | Suzuki |
| 18 | | Salinas, CA | Suzuki |
| 19 | | Elizabeth, PA | Kawasaki |
| 20 | | Melrose, FL | Yamaha |
| 21 | | Vancouver, WA | Honda |
| 22 | | New Philadelphia, OH | Honda |


