Racing Abbreviations and Acronyms

1. IRL
   Indycar Racing League
2. IRS
   Illini Racing Series
3. IRS
   Independent Racing Series
4. ISC
   International Speedway Corporation
5. ISCARS
   International Sport Compact Auto Racing Series
6. ISI
   Image Space Incorporated
7. ISMA
   International Super Modiwied Association
8. ITBOA
   Iowa Thoroughbred Breeders and Owners Association
9. IWA
   International Watercross Associatiow
10. IXAI
    Indonesia Xtreme Adventure Individual
11. JBH
    Joseph Burton-Harris
12. JBRL
    Jimmy Babcock Racing League
13. JETS
    Jockeys Employment and Training Scheme
14. JG
    Joe Gibbs
15. JGTC
    Japan Grand Touring Championship
16. JLMC
    Japan Le Mans Challenge
17. JMB
    Jean-Michel Bayle
18. JOG
    Junior Offshore Group
19. JOR
    Junior Oval Racer
20. JPC
    Jogja Witung Club

Last updated: January 9, 2022 — Total entries: 831