| 15961 | 01 Nov 26 | Cedar Park Run: Mile Challenge & 5K (Fall Edition) | 5K | Cedar Park, TX |
| 15962 | 01 Nov 26 | Cedar Park Run Mile Challenge (Fall Edition) | 1M | Cedar Park, TX |
| 15963 | 28 May 26 | Cedar Lake Triathlon Series | Sprint/Sprint Triathlon Relay/supersprint triathlon | Chester, CT |
| 15964 | 20 Jun 26 | Cedar Hill Kids and Family Triathlon | supersprint triathlon/youth triathlon | Cedar Hill, TX |
| 15965 | 17 May 26 | Cedar Grove Scamper | 4M | Chico, CA |
| 15966 | 07 Sep 26 | Cedar Fest 5K | 5K | Cedarville, OH |
| 15967 | 10 Apr 27 | Cedar Creek Park Spring Duathlon | supersprint duathlon/supersprint duathlon relay | Seaford, NY |
| 15968 | 10 Oct 26 | Cedar Creek Park Fall Duathlon | supersprint duathlon | Seaford, NY |
| 15969 | 24 Oct 26 | Cedar Creek Haunted Wine Run 5k | ['5K'] | Martinsville, IN |
| 15970 | 01 Aug 26 | Cedar City Moonwalk and 5K | 5K | Cedar, UT |
| 15971 | 12 Sep 26 | Cedar City Half Marathon | 13.1M | Cedar, UT |
| 15972 | 05 Sep 26 | Cedar Bend Endurance Event | 4H trail run/8H | Waverly, IA |
| 15973 | 05 Jun 26 | Cecilton Tiger Trials | 1M | Chesapeake, MD |
| 15974 | 27 Jun 26 | Cecil Jarvis Greater Clarksburg 10K | 5K/10K | Clarksburg, WV |
| 15975 | 26 Nov 26 | CEA Johanna Foods Turkey Trot | 5K | Flemington, NJ |