Below is a list of CITRA allied races. Each race is independently owned and operated by different race directors but the races work together for scheduling and often share resources to enhance the greater trailer running opportunities in the region!
- Late-January – Chill Billy 2hr and 8hr timed races
- Mid-March – Cactus Classic Trail Races – 10K, 13.1, 26.2.
- Mid-April – Potawatomi Trail Runs 10mi, 30mi, 50mi, 100mi, 150mi, 200mi.
- Late May – Blue Chevy Trail Race 10K.
- Various times of the year at midnight- Midnight Mayhem.
- Early July – Cry Me A River! Trail Runs 13.1, 50k, 100k, 100mi.
- Early September – Temptation 200 Ultras (50k, 100k, 150K, 200K)
- Early Oct – Farmdale Trail Runs 10K, 13.1, 30mi, 50mi, 100mi.
- Late Oct – McNotAgain Trail run 10mi, 30mi
See also the 2019 Central Illinois Ultra Series!