WinterRock
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Event overview
WinterRock is a trail running event in Independence, Kansas, held at Elk City Lake Outlet Channel Shelter on January 3, 2026. The event offers the following distances:
- Triple Crown (entry option for all three FlatRock races)
- 25K
- 12K
The Triple Crown entry covers WinterRock 25K, FlatRock 101K, and FlatRock 50K, a combined distance of 176K with a special award for those who finish all three races. Shirts and medallions will be provided. Post-race food, including Frito Chili Pie, will be available.
Course and aid
The course is a technical, mostly single-track out-and-back on the Elk River Hiking Trail. The route runs through forest and features limestone bluffs, rock formations, and vistas. The 25K has three aid stations; the 12K has one turnaround aid station. Aid stations are unmanned, spaced about 3.5-4 miles apart, and provide only water. No cups will be provided, so runners must carry a handheld bottle and their own fuel.
Logistics, rules and policies
Packet pickup and the start/finish area are at the Outlet Channel Group Shelter on the north side of the Elk City Lake dam. Trekking poles are allowed. Dogs are permitted but must be on a leash. Volunteer shifts earn benefits - one shift yields a 25% discount on future race registration and four shifts equal a free race credit. Deferral/transfer credit is offered on a sliding scale: 100% credit at 90+ days, 75% at 30-89 days, and no credit within 30 days. Runners are responsible for their own safety; local EMS will be used for medical emergencies. Race rules cover littering, course order, dropdowns before race day, and grounds for disqualification. Visit the organization's website for the most recent information.
