Heartland Spirit of the Prairie 100
Race facts
- Distances
- 21.1K, 100K
- Terrain
- Prairie
- Organizer
- Kansas Ultrarunners' Society
From the official race website, checked 2026-10-07. Official page
External Event
Distance
13.1–62.1 mi
Pace
All paces (ultra)
Terrain
Prairie
Difficulty
Challenging
About this run
The Heartland Spirit of the Prairie 100 is an ultramarathon event held in Cassoday, Kansas, offering distances from 21.1 km up to 100 km. This race is designed to challenge endurance runners amidst the expansive prairie landscape. The Kansas Ultrarunners' Society, an RRCA-affiliated non-profit organization, hosts this event. Their mission is to organize, sponsor, and support ultrarunning events, aiming to foster an environment that supports both novice and veteran ultrarunners. As part of the Sunflower Race Series, the Heartland Spirit of the Prairie 100 provides a significant test of endurance. Runners can expect a course that highlights the natural beauty of the Kansas prairie.
Who it's for
This event is suited for experienced ultra-marathoners due to the challenging distances of 21.1 km and 100 km.
What to expect
- Packet pickup details will be available on the official registration page.
- Arrive at least 60 minutes before the start time to allow for parking and preparation.
- The course is primarily on prairie terrain, so be prepared for varied surfaces.
- Weather in Kansas can be unpredictable; check the forecast and pack layers accordingly.
- Hydration and nutrition are critical for ultra-distances; plan your strategy in advance.
Good to know
- The race is organized by the Kansas Ultrarunners' Society.
- More information and updates can often be found on the organizer's Facebook pages.
- Volunteering opportunities for the race are typically available; check the registration link for details.
Typical conditions
For events around October 2026 in Cassoday, KS, United States: Typical autumn conditions in this region — conditions can change quickly; confirm race-day guidance on the official page.
How to prepare
Ultra distances need longer training blocks, fueling practice, and gear that matches the course type listed by the organizer. Always verify elevation, aid stations, and cutoffs on the official page.
Browse destination racesGetting there
This event is listed in Cassoday, KS, United States. Confirm the exact start venue, parking, and transit options on the official registration page.
Frequently asked questions
What distances are offered at the Heartland Spirit of the Prairie 100?+
The race offers distances from 21.1 km up to 100 km.
Where is the Heartland Spirit of the Prairie 100 held?+
The event takes place in Cassoday, Kansas.
When is the Heartland Spirit of the Prairie 100?+
The race is scheduled for October 9, 2026.
Who organizes the Heartland Spirit of the Prairie 100?+
The race is organized by the Kansas Ultrarunners' Society.
How do I register for the race?+
Registration details can be found on the official registration page: https://www.ksultrarunners.org/
Is this a trail race?+
The race is set against the prairie landscape, suggesting a course that may include natural terrain.
Where can I find more information about volunteering?+
Visit the official registration link for details on how to volunteer for the race.
Registration is handled by the official event organizer
Know a local group? Host a community run in Cassoday
