| 1 | TBK Bank Thirsty 13 Half MarathonHalf Marathon | Durango, Colorado | Aug 28, 2027 | 68°F | 43°F |
| 2 | Redwood (Summer) Trail Run8K, Half Marathon, Marathon, 50K, Kids, Other | Oakland, California | Aug 14, 2027 | 73°F | 58°F |
| 3 | Wausau Marathon5K, Half Marathon, Marathon, Relay | Wausau, Wisconsin | Aug 22, 2027 | 74°F | 59°F |
| 4 | Moonlight on the Falls - Marathon, Half Marathon, Quarter Marathon, and Distance ChallengeHalf Marathon, Marathon, Other | Davis, West Virginia | Aug 21, 2027 | 76°F | 61°F |
| 5 | Rock Hall Half Marathon5K, 10K, Half Marathon, Relay | Cleveland, Ohio | Aug 22, 2027 | 76°F | 66°F |
| 6 | Craft Classic Seattle5K, Half Marathon | Redmond, Washington | Aug 1, 2027 | 78°F | 56°F |
| 7 | Lake Country Half MarathonHalf Marathon, Other | Oconomowoc, Wisconsin | Aug 28, 2027 | 79°F | 60°F |
| 8 | 2026 Jared Anez Eagle Lake Race Series: THANK YOU ALL FOR A GREAT RACE DAY!5K, Half Marathon, Kids | Willmar, Minnesota | Aug 7, 2027 | 79°F | 63°F |
| 9 | Tour de La Porte 20275K, Half Marathon, Kids | La Porte, Indiana | Aug 28, 2027 | 79°F | 60°F |
| 10 | Luau 5K, 10K, & 13.1M at Bettendorf, IA (33)5K, 10K, Half Marathon | Bettendorf, Iowa | Aug 21, 2027 | 80°F | 65°F |
| 11 | Bound for Boston Marathon & Half Marathon - MinneapolisHalf Marathon, Marathon | Richfield, Minnesota | Aug 15, 2027 | 80°F | 62°F |
| 12 | Hall of Fame Half Marathon/Relay - Pro Football Hall of Fame Race SeriesHalf Marathon, Relay | Canton, Ohio | Aug 29, 2027 | 80°F | 60°F |
| 13 | Popsicle 5K/10K/Half - Minneapolis5K, 10K, Half Marathon | Richfield, Minnesota | Aug 14, 2027 | 80°F | 62°F |
| 14 | Asheville Craft Beer Half Marathon & 10K/5K5K, 10K, Half Marathon | Asheville, North Carolina | Aug 28, 2027 | 81°F | 61°F |
| 15 | Popsicle 5K/10K/Half - Sioux Falls5K, 10K, Half Marathon | Sioux Falls, South Dakota | Aug 7, 2027 | 81°F | 65°F |
| 16 | Summer Night Trail RunHalf Marathon, Other | Indianapolis, Indiana | Aug 14, 2027 | 82°F | 67°F |
| 17 | Two Face 10K10K, Half Marathon, Other | Wexford, Pennsylvania | Aug 1, 2027 | 82°F | 65°F |
| 18 | Heatwave Half Marathon/5K/10K - Greater Chicago1 Mile, 5K, 10K, Half Marathon, Kids | Greater Chicago, Illinois | Aug 1, 2027 | 82°F | 67°F |
| 19 | Parkersburg News and Sentinel Half Marathon and Two Mile RaceHalf Marathon, Other | Parkersburg, West Virginia | Aug 21, 2027 | 83°F | 64°F |
| 20 | Little Miami Half Marathon and 10K10K, Half Marathon | Morrow, Ohio | Aug 1, 2027 | 83°F | 68°F |
| 21 | Popsicle 5K/10K/Half - Eugene5K, 10K, Half Marathon | Eugene, Oregon | Aug 15, 2027 | 83°F | 55°F |
| 22 | Sundae Funday - Ice Cream Run 5K, 10K, and Half Marathon by Califlow Runs5K, 10K, Half Marathon, Kids | Long Beach, California | Aug 8, 2027 | 84°F | 65°F |
| 23 | Night of the Running Dead 5K, 10K, 1 Miler, Half Marathon SummerWeen Series by Califlow Runs1 Mile, 5K, 10K, Half Marathon | Long Beach, California | Aug 28, 2027 | 84°F | 66°F |
| 24 | Popsicle 5K/10K/Half - Omaha5K, 10K, Half Marathon | Omaha, Nebraska | Aug 8, 2027 | 84°F | 67°F |
| 25 | Californian Dreamin 5K, 10K, & Half Marathon by Califlow Runs5K, 10K, Half Marathon | Long Beach, California | Aug 22, 2027 | 84°F | 66°F |
| 26 | Medal Madness 5K, 10K, 13.1M at York, PA (33)5K, 10K, Half Marathon | York, Pennsylvania | Aug 14, 2027 | 84°F | 67°F |
| 27 | Dark Horse Trail Series (26.2 - 13.1 - 10k)10K, Half Marathon, Marathon | Mill Spring, North Carolina | Aug 14, 2027 | 84°F | 68°F |
| 28 | All-Out Runapalooza5K, 10K, Half Marathon | Arvada, Colorado | Aug 7, 2027 | 85°F | 59°F |
| 29 | Medal Madness 5K, 10K & 13.1M at Richmond, KY (32)5K, 10K, Half Marathon | Richmond, Kentucky | Aug 14, 2027 | 85°F | 68°F |
| 30 | Ninja 5K, 10K, & 13.1M at Bowling Green, KY (35)5K, 10K, Half Marathon | Bowling Green, Kentucky | Aug 28, 2027 | 87°F | 67°F |
| 31 | Medal Madness 5K, 10K, & 13.1M at Bowling Green, KY (33)5K, 10K, Half Marathon | Bowling Green, Kentucky | Aug 14, 2027 | 88°F | 70°F |
| 32 | Ninja 5K, 10K, & 13.1M at Deltona, FL (35)5K, 10K, Half Marathon | Deltona, Florida | Aug 28, 2027 | 88°F | 74°F |
| 33 | Pioneer Prairie Dog Half, 10k & 5k5K, 10K, Half Marathon | Westminster, Colorado | Aug 22, 2027 | 89°F | 60°F |
| 34 | Heatwave Half Marathon/5K/10K - Kansas City1 Mile, 5K, 10K, Half Marathon, Kids | Parkville, Missouri | Aug 1, 2027 | 89°F | 72°F |
| 35 | Erie Half & 5k5K, Half Marathon | Erie, Colorado | Aug 15, 2027 | 89°F | 61°F |
| 36 | Luau Run Half Marathon -10K - 5K5K, 10K, Half Marathon | Farmington, Utah | Aug 7, 2027 | 90°F | 67°F |
| 37 | Squirrel 5K, 10K, & 13.1M at Holiday, FL (32)5K, 10K, Half Marathon | Holiday, Florida | Aug 7, 2027 | 90°F | 76°F |
| 38 | PC2PG Half Marathon, 10K, & 5K5K, 10K, Half Marathon | Lindon, Utah | Aug 14, 2027 | 90°F | 70°F |
| 39 | Luau 5K, 10K, & 13.1M at DeBary, FL (34)5K, 10K, Half Marathon | DeBary, Florida | Aug 21, 2027 | 91°F | 74°F |
| 40 | Medal Madness 5K, 10K, & 13.1M at Branson, MO (32)5K, 10K, Half Marathon | Branson, Missouri | Aug 14, 2027 | 91°F | 70°F |
| 41 | Squirrel 5K, 10K, & 13.1M at DeBary, FL (32)5K, 10K, Half Marathon | DeBary, Florida | Aug 7, 2027 | 91°F | 75°F |
| 42 | Squirrel 5K, 10K, & 13.1M at Beaumont, TX (31)5K, 10K, Half Marathon | Beaumont, Texas | Aug 7, 2027 | 92°F | 77°F |
| 43 | Ninja 5K, 10K, & 13.1M at Deland, FL (32)5K, 10K, Half Marathon | Deland, Florida | Aug 14, 2027 | 92°F | 75°F |
| 44 | Bound for Boston Marathon & Half Marathon - DenverHalf Marathon, Marathon | Denver, Colorado | Aug 1, 2027 | 93°F | 62°F |
| 45 | Heatwave Half Marathon5K/10K - Houston1 Mile, 5K, 10K, Half Marathon, Kids | Houston, Texas | Aug 1, 2027 | 93°F | 78°F |
| 46 | Medal Madness 5K, 10K, & 13.1M at Sapulpa, OK (33)5K, 10K, Half Marathon | Sapulpa, Oklahoma | Aug 14, 2027 | 94°F | 74°F |
| 47 | Squirrel 5K, 10K, & 13.1M at Longview, TX (31)5K, 10K, Half Marathon | Longview, Texas | Aug 7, 2027 | 97°F | 77°F |
| 48 | Medal Madness 5K, 10K & 13.1M at Pflugerville, TX (33)5K, 10K, Half Marathon | Pflugerville, Texas | Aug 14, 2027 | 98°F | 78°F |