
Clinton, United States of America · Saturday 13 June 2026
Welcome to the 10th Annual Clinton Historic Half Marathon & 5K! The course will take you along a variety of historical landmarks in Clinton, MO such as the Anheuser-Busch building, Artesian Park, and the beautiful downtown Clinton Square! Participants will receive a short-sleeve soft cotton race shirt, custom bib number (personalized for half marathon participants) and a great finisher s medal. All proceeds from this event go to Big Brothers Big Sisters of Henry County. Learn more at www.bbbshc.org and www.facebook.com/BBBSHenryCountyMO Awards will be given to the overall male and female, overall masters male and female and the top three in each of the following age groups: 19 and under, 20-29, 30-39, 40-49, 50-59, 60-69, 70 There is a time limit of 4 hours for the half marathon. Any runners/walkers on the course past 11:00 am run at their own risk with the potential of there no longer being water stations, course volunteers and your time may not be recorded. However, we will be happy to still reward you with a medal when you finish! In the half marathon, overall male and female will receive a $200 cash prize!! Register by June 4 to guarantee a shirt! Packet pickup will be available at the following times and location. Friday, June 12 - 4-7 pm at the Clinton Rotary Building Race Day - 6:00-7:15 am on the Gazebo near the start line. The Clinton Rotary Building is located at 200 W. Franklin Street on the Clinton Square. A reminder that the Half Marathon starts at 7:00 am and the 5k will start at 7:30 am. Pace Team: https://www.smartpacing.com/index.php?page=meetthepacers&pacing=CLI We are a once again part of the Hometown Half Series. Complete 5 of the 7 half marathons in the series to receive an additional medal! Sign up for free here .
Adjusted Time
1:40:47
Time difference: -4.2 minutes compared to a flat, road, temperate course.
Clinton Historic Half Marathon & 5K is a half marathon held in Clinton, United States of America, scheduled for Saturday 13 June 2026. The course is run on road surface with 0m of total elevation gain, reaching a maximum altitude of 0m above sea level. For registration and full race details, visit the official Clinton Historic Half Marathon & 5K website.
This is a very flat course with only 0m of total elevation gain across the full distance. The course ranges from 0m to 0m above sea level — a 0m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
Clinton Historic Half Marathon & 5K is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for Clinton Historic Half Marathon & 5K is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based half marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
Looking for an easier marathon or a tougher challenge? You can also compare Clinton Historic Half Marathon & 5K against other half marathons to find the right race for your goals.
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