River Rat Obstacle 5K & 1 Mile Fun Run
- Date
- August 29, 2026
- Location
- 2309 Aull Ln., Lexington, MO
- Distance
- River Rat Obstacle 5K & 1 Mile Fun Run (Sponsored by The LEX)
- Price
- $30
From the Organizer
Pre-Register by Wednesday, July 30th, 2025 to receive this year's shirt and guarantee your shirt size. Limited quantities will be available for registration after 7/30/25, including race day registration.
Description: Please join the Lexington Cross Country team for their 2025-2026 fundraiser: The "River Rat Obstacle 5K" on Saturday, August 16th, 2025 @ 9:00AM! Proceeds will be used for Lexington Cross Country team expenses (out of town meets, gear, etc.). Your participation in fundraising will keep the traditions that we have started with this program strong! Fundraised money has helped the program buy team warm-ups, paid for summer camps for runners, and helped fund out of town and out of state meets for the teams.
Where: The Obstacle 5K and 1 Mile Fun Run will be run on the Battle of Lexington Cross Country Course which is on the Lexington High School campus at 2309 Aull Lane, Lexington, MO. The 5K Obstacle course will have some obstacles throughout the course to include (but not limited to): hay bale hurdles, car tire maze, an inflatable obstacle course, and a slip n' slide finish. The 1 mile fun run/walk will include hay bale hurdles and the slip n' slide finish.
When: The race will be hosted @ 9:00 am on August 16th, 2025. Race Day registration will be from 7:30-8:30 pm. The 5K obstacle race will start at 9:00am and the 1 mile fun run will start at 9:45am
Cost: The "River Rat Obstacle 5K & 1 Mile Fun Run" will cost $30 (pre-register by 7/30/25) OR $35 after 7/30/25 and on race day which includes a race t-shirt (as supplies last on race day). Checks payable to: “Lexington Cross Country”. Please pre-register by Wednesday, July 30th (pre-registered participants will have first priority on shirt sizes). ALL registration will be done through runsignup.com.
The Course: The course is mostly grass with some dirt trails and one bridged crossing. The course is relatively flat with some minor hills. The course MAY get muddy with rain so be prepared. The 5K Obstacle course will have some obstacles throughout the course to include (but not limited to): hay bale hurdles, car tire maze, inflatable obstacle course, and a slip n' slide finish. The 5K course is a 2 loop course so obstacles will be completed twice (approximately 1.5 miles per loop). The 1 mile fun run will include hay bale hurdles and the slip n' slide finish. Reminder: All obstacles are optional and can be skipped if you complete an alternate exercise instead.
Giveaways: ALL participants will receive a race shirt with registration.
Awards: This is a FUN RUN. NO official times or medals will be awarded.
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
85°
Typical Low
63°
Chance of Rain
22%
Based on US Climate Normals data from Lexington 3e, 1 mi from the venue.
Host City
About Lexington, MO
City Elevation
852 ft
Nearest Airport
MCI
Kansas City International Airport · 46 mi
Time Zone
Central Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at River Rat Obstacle 5K & 1 Mile Fun Run, put it on the calendar, and turn “someday” into a start date.
73
Days to train
- Race
- River Rat Obstacle 5K & 1 Mile Fun Run
- Date
- August 29, 2026
- Location
- 2309 Aull Ln., Lexington, MO
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From Endurance Grid
About This Sport
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
Obstacle course races combine running with walls, rope climbs, carries, and mud — testing strength, grip, endurance, and mental toughness all at once.
No two races feel the same, and it is a truly unique endurance sport.
Obstacle Course Racing
Mud, obstacles, and miles. Raw fitness meets mental grit in a way no other sport matches.
Frequently Asked Questions (FAQs)
- What is the River Rat Obstacle 5K & 1 Mile Fun Run?
- River Rat Obstacle 5K & 1 Mile Fun Run is an obstacle course race held in Lexington, Missouri on August 29, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more obstacle course races near you or explore our sports guides to learn what race day actually feels like.
- When and where is the River Rat Obstacle 5K & 1 Mile Fun Run?
- Saturday, August 29, 2026 in Lexington, Missouri at 2309 Aull Ln.. Check the event page for exact start times and wave schedules.
- How do I register for the River Rat Obstacle 5K & 1 Mile Fun Run?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
River Rat Obstacle 5K & 1 Mile Fun Run
Aug 29, 2026