Regional Continential Divide & Rio Grande Regions 98-RS-105-P June 20, 1998
| Class | | Entries | Qualifiers | Starters | Finishers
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|---|
| | Total Car Cnt | 54 | 54 | 52 | 43
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|---|
| EP | E Production | 1 | 1 | 1 | 1
| | FP | F Production | 1 | 1 | 1 | 1
| | GP | G Production | 1 | 1 | 1 | 1
| | GT1 | Grand Touring 1 | 4 | 4 | 4 | 1
| | GT5 | Grand Touring 5 | 1 | 1 | 1 | 1
| | AS | American Sedan | 5 | 5 | 5 | 3
| | T2 | Touring 2 | 2 | 2 | 2 | 2
| | SSB | Showroom Stock B | 1 | 1 | 1 | 1
| | FC | Formula Continental | 6 | 6 | 6 | 5
| | FF | Formula Ford | 4 | 4 | 4 | 4
| | FV | Formula Vee | 2 | 2 | 1 | 1
| | S2 | Sports 2000 | 3 | 3 | 3 | 3
| | SRF | Spec Racer Ford | 9 | 9 | 9 | 9
| | DSR | D Sports Racing | 2 | 2 | 1 | 1
| | LEG | Legend Cars | 1 | 1 | 1 | 1
| | SP | Super Production | 1 | 1 | 1 | 0
| | ITE | Improved Touring E | 1 | 1 | 1 | 1
| | ITS | Improved Touring S | 1 | 1 | 1 | 1
| | ITA | Improved Touring A | 2 | 2 | 2 | 1
| | ITB | Improved Touring B | 1 | 1 | 1 | 1
| | S7 | Spec RX-7 | 1 | 1 | 1 | 1
| | CF | Club Ford | 4 | 4 | 4 | 3
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