2027 Casper Marathon
Wyoming's Casper Marathon offers a fast, flat course with a strong community feel.
Race Date
Jun 6, 2027
Location
Casper, WY
Quick facts
- Date
- Sunday, June 6, 2027
- Location
- Casper, Wyoming
- Distance
- Half marathon (13.1 mi)
- Course
- Loop Course
- Terrain
- Road
- USATF certified
- Not listed
Highlights
Good For
Atmosphere
Course
The Experience
The Casper Marathon, first run in 2005 and now in its 19th edition, is a testament to Wyoming's running community. This race is known for its remarkably flat and fast certified course, making it an attractive option for those chasing personal bests or seeking a Boston Marathon qualifying time. The event typically sees around 111 finishers, drawing participants from across the state and beyond.
Runners can expect a steady pace on paved roads, with minimal elevation changes throughout the marathon and half marathon distances. The race is held in early June, with typical race-day temperatures ranging from the low 50s to high 70s, though wind can be a factor. The event fosters a welcoming atmosphere, with a dedicated group of repeat runners — about 18% return each year — highlighting its local appeal and solid organization.
While the field size is modest, the Casper Marathon provides a well-organized race experience. It's a great opportunity to experience a genuine community-focused event in the heart of Wyoming, offering a straightforward and efficient race day for all participants.
Race-provided description
Menu About Race Info Race Results Courses Volunteer Travel and Lodging Contact Register to Run Register to Run JUNE 7, 2026 jQuery(function() { // Set the date we're counting down to var countDownDate = new Date("June 07, 2026 00:00:00").getTime(); var countdown1 = document.getElementById("num1"); // get tag element var countdown2 = document.getElementById("num2"); // get tag element var countdown3 = document.getElementById("num3"); // get tag element var countdown4 = document.getElementById("num4"); // get tag element // Update the count down every 1 second var x = setInterval(function() { // Get today's date and time var now = new Date().getTime(); // Find the distance between now and the countdown date var distance = countDownDate - now; // Time calculations for days, hours, minutes, an
Course Info
Course Type
Loop Course
Terrain
road
Surface
Paved
Difficulty
Ultra-Flat
Quality Score
Solid Pick5720 years running
~111 finishers a year
shrinking
27% returning runners
2 timing sources
runners from 1 state
winner 1:22:54
typical high 79°F
Frequently asked
When is the 2027 Casper Marathon?
The 2027 Casper Marathon is held on Sunday, June 6, 2027.
Where does the 2027 Casper Marathon take place?
It takes place in Casper, Wyoming.
What distances does the 2027 Casper Marathon offer?
The half marathon (13.1 miles).
Is the 2027 Casper Marathon course flat and good for a PR?
The 2027 Casper Marathon is a ultra-flat, loop course course.
HalfRuns editorial — independent, no paid placement.
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