| 1975 | Started racing Formula Karts in Eaton, Ohio. |
| 1978 | Won five races of Skip Barber Series, finished seventh in points. |
| 1979 | Won nine races and a series title. |
| 1980 | Set several track records in SCCA Formula Ford Northeast Division and finished 14th in points. |
| 1981 | Indy: Qualified for 29th spot for first start … Broken half-shaft sidelined him on Lap 173, finished 16th. PPG Cup: Competed in 10 races with best finish of seventh in inaugural Michigan 500 … First championship event March 22 at Phoenix, finishing 15th … 13th in points. |
| 1982 | Indy: Practiced, but did not make qualifying attempt. PPG Cup: Competed in five races with best finish of 10th in Michigan 500. |
| 1983 | Indy: Qualified for second “500” at 196.713, starting 29th … Flagged at 195 laps in ninth place, best finish of year. PPG Cup: Five other starts, with best finish of 12th in Michigan 500. |
| 1984 | Indy: Set stock-block engine records with 204.638 one-lap mark and 203.637 four-lap average in turbocharged Buick-powered March … Started 26th … Transmission problems sidelined him after 150 laps in 18th. PPG Cup: Started 12 other events with best finish of sixth at Pocono … 23rd in points. |
| 1985 | Indy: Was first qualifier and set track records in turbocharged Buick V6-powered March on each of the first three laps … Third-lap speed of 214.199 was fastest of month … Pancho Carter’s four-lap average was .229 miles an hour faster, so Brayton started in middle of front row … Led 15th lap of race, but dropped out after 19 circuits with turbo problem. PPG Cup: Ran nine other races with best finish of sixth at Portland. |
| 1986 | Indy: Qualified for fifth start, again with Buick power … Engine failure sidelined him after 69 laps in 30th. PPG Cup: Ran four other events with best finish of 13th in Michigan 500. |
| 1987 | Indy: Qualified at 205.647 and started 13th … Finished 12th after engine problem sidelined him after 167 laps. PPG Cup: Ran four other races with best finish of fifth at Portland. |
| 1988 | Indy: Set record qualifying speed of 212.624 for turbocharged stock block engines in Buick V6 powered Lola and started seventh … Spun in Turn 2 on opening lap and finished 31st. PPG Cup: Ran Lola/Judd in 11 other races with best finish of ninth at Portland. |
| 1989 | Indy: Second qualifier and set turbocharged stock block track record on each of his four laps … Fourth lap fastest at 221.877 of four-lap average of 220.459 … Started outside second row, flagged after 193 laps in sixth place. PPG Cup: Ran all series races except Detroit … 16th in points. |
| 1990 | Indy: Qualified for 26th starting spot at 213.028 … Flagged in seventh place, his second-best Indy finish in nine starts, after completing 194 laps … Second start for Dick Simon Racing. PPG Cup: Competed on full trail with best finish other than Indy of eighth at Mid-Ohio … Finished 15th in points, tops among Cosworth-powered drivers. |
| 1991 | Indy: First on track for month of May in first year with Chevy Indy V-8 power … Reached 221.588 two days before qualifying, but dropped to 209.239 on first qualifying lap on Pole Day and waved off … Qualified second day at 218.627 for 19th on grid … On Race Day, moved to ninth after 50 miles, eighth after 75 miles, second at Lap 140, 10 seconds behind eventual winner Rick Mears at that point … Engine blew on Lap 146, leaving him 17th. PPG Cup: Ran full circuit with best finish of sixth at Australia, Milwaukee, Toronto … Led 12 laps at Michigan … 12th in points. |
| 1992 | Indy: Drove one of Dick Simon’s “fleet” of four cars which were “first out” for the month of May … Escaped serious injury in Turn 3 mishap May 5 … Team made decision to qualify repaired Buick-powered car instead of using Chevy … Qualified on first day at four-lap average of 226.142 for seventh starting spot … Jumped to third at 50 miles on Race Day and held it until the 125-mile mark … Engine failure ended his day after 93 laps … PPG Cup: Got career best finish of third at Milwaukee after starting fourth … 15th in points with 39. |
| 1993 | Indy: Qualified Dick Simon entry for 11th starting spot after being in unofficial top 10 in speed chart on five of first seven days of practice … On Race Day, was fifth at halfway point, fourth at 350 miles, finished sixth. PPG Cup: Ran all 16 races with best finishes of sixth at New Hampshire, Milwaukee, in addition to Indy … Finished 15th in point standings. Other: Ran 231.8 unofficially in Menard machine in test at Indy on Nov. 23, 1993. |
| 1994 | Indy: Joined Menard team … Was fastest in practice on first day of track activity at 227.658 … Was third driver to attempt to qualify, but waved off on attempts in two cars on first day … Had another waveoff on second day before qualifying at 223.652 … Started 20th, finished 23rd after engine failure. PPG Cup: No other starts. |
| 1995 | Indy: Led Day 4 and Day 6 of practice … Reached 234.656 on Day 6, fastest unofficial lap in Speedway history, broken later by both himself (234.473 on Day 7) and Menard teammate Arie Luyendyk (234.913 on Day 7) … With Luyendyk setting pole speed just 20 minutes earlier, Brayton reeled off four-lap average of 231.604 for “500” pole and his first appearance on front row since 1985 … On Race Day, fell to fourth on Lap 1, got back to third on Lap 28 … Dropped to 24th at one point before coming back to 17th. PPG Cup: No other starts. |
| 1996 | IRL: Qualified 10th, finished 15th with handling problems at the Indy 200 at Walt Disney World. |
