| 12241 | 14 Feb 26 | 2026 Lovers 5k/10k/Half | 10K/13.1/5K | Fairfax Station, VA |
| 12242 | 20 Jun 26 | 2026 Loveland Lake to Lake Triathlon | triathlon | Loveland, CO |
| 12243 | 04 Apr 26 | 2026 Louisville 10 Mile | 10 Mile | Louisville, KY |
| 12244 | 03 Oct 26 | 2026 Lost Dog 5k/10k | 10K/5K | Lorton, VA |
| 12245 | 28 Feb 26 | 2026 Los Alamitos Race on the Base Triathlon & 5K | triathlon | Los Alamitos, CA |
| 12246 | 19 Jul 26 | 2026 Long Beach Legacy Triathlon | triathlon | Long Beach, CA |
| 12247 | 11 Jul 26 | 2026 Logan Health Kids Triathlon | triathlon | Kalispell, MT |
| 12248 | 05 Apr 26 | 2026 Lobo Triathlon | triathlon | Albuquerque, NM |
| 12249 | 12 Sep 26 | 2026 Littlefoot Sprint Triathlon | triathlon | Lakewood, CO |
| 12250 | 11 Jul 26 | 2026 Litchfield Hills Triathlon | triathlon | New Hartford, CT |
| 12251 | 11 Apr 26 | 2026 Lifeline Duathlon | triathlon | Lafayette, LA |
| 12252 | 30 May 26 | 2026 Lewisburg Triathlon | triathlon | Lewisburg, PA |
| 12253 | 07 Feb 26 | 2026 Lewisburg Sunset Rotary Frosty 5k Run/Walk | 5K | Lewisburg, PA |
| 12254 | 15 Mar 26 | 2026 Leprechaun Leap 5k/10k | 10K/5K | Fairfax Station, VA |
| 12255 | 23 Aug 26 | 2026 Leopold's Preserve 5k/10k | 10K/5K | Haymarket, VA |