Race notes:
Factory Porsche and Ferrari were not present because of the rule change by FIA, allowing organisers to permit use of only certain brand of fuel. However the factories wanted to use the fuel they had been committed to use.
Pre-race sessions:
3 practice sessions held for a total of 420 minutes on 23-24/3
| Winners: |
| Overall: | 42 | Porsche 718 RS 60 | Herrmann / Gendebien |
| Sports 3000 - class 12S: | 8 | Ferrari 250 TR 59/60 | Lovely / Nethercutt |
| Sports 1150 - class 7S: | 58 | Lola Mk.1 Climax | Vögele / Ashdown |
| Sports 850 - class 5S: | 63 | Osca S 750 | Bentley / Gordon |
| Grand Touring 5000 - class 14G: | 6 | Chevrolet Corvette | Fritts / Hall |
| Grand Touring 3000 - class 12G: | 16 | Ferrari 250 GT California | Abate / Scarlatti / Serena |
| Grand Touring 2000 - class 10G: | 31 | Arnolt-Bristol Bolide | Goldman / Durbin |
| Grand Touring 1600 - class 9G: | 72 | Porsche 356 A Carrera | Dungan / Sheppard |
| Grand Touring 1300 - class 8G: | 54 | Alfa Romeo Giulietta SV | Van Beuren / Velasquez / Velazquez |
| Fastest Laps: |
| Overall: | 11 | Ferrari 250 GT SWB Berlinetta | Arents / Kimberly | 3:04.020 | | lap 23 |
| Sports 1600 - class 9S: | 42 | Porsche 718 RS 60 | Herrmann / Gendebien | 3:25.420 | | lap 123 |
| Sports 1150 - class 7S: | 58 | Lola Mk.1 Climax | Vögele / Ashdown | 3:41.460 | | lap 10 |
| Sports 1000 - class 6S: | 61 | Austin-Healey Sebring Sprite | Sprintzel / Lumkin | 4:03.030 | | lap 29 |
| Sports 850 - class 5S: | 66 | Fiat-Abarth 750 S | Cuomo / Richards | 3:52.980 | | lap 34 |
| Grand Touring 5000 - class 14G: | 5 | Chevrolet Corvette | Johnson / Morgan | 3:34.100 | | lap 107 |
| Grand Touring 3000 - class 12G: | 16 | Ferrari 250 GT California | Abate / Scarlatti / Serena | 3:45.410 | | lap 114 |
| Grand Touring 2000 - class 10G: | 36 | AC Ace Bristol | Hulsey / Washburn | 3:47.100 | | lap 95 |
| Grand Touring 1600 - class 9G: | 72 | Porsche 356 A Carrera | Dungan / Sheppard | 3:42.440 | | lap 106 |
| Grand Touring 1300 - class 8G: | 55 | Lotus Elite | Evans / Weiss / Chamberlain | 3:58.790 | | lap 109 |
| Notes of interest: |
| Top makes by numbers: | Ferrari (10), Porsche (8), Alfa Romeo (7), Chevrolet (6), Osca (4), Austin-Healey (4), AC (4), Maserati (4) |
| Top engines by numbers: | Ferrari (10), Porsche (8), Bristol (7), BMC (7), Alfa Romeo (7) |
| Top car types by numbers: | Ferrari 250 GT (7), Chevrolet Corvette (6), Porsche 718 (5) |
| Driver nationalities: | USA (113), GB (8), I (5), MEX (5), RA (3), S (2), NL (2), CDN (2) |
| Team nationalities: | USA (49), GB (4), I (3), S (2) |
| Most used colours: | white (29%), red (24%), silver (13%), green (10%), blue (8%) |
| Engine positions: | front-engined (85%), mid-engined (9%), rear-engined (6%) |
| Average engine size: | 2131 cc |
| Oldest known drivers: | Briggs Cunningham (53), John Fitch (43), James Forno (43) |
| Youngest known drivers: | Ricardo Rodriguez (18), Pedro Rodriguez (20), Graham Hill (21) |
| Female drivers: | Denise McCluggage, Pinkie Windridge |