Blood Sugar Rumbler
About this race
The Blood Sugar Rumbler takes you through some of most beautiful areas of The Lewis and Clark National Forest just North West of Helena Montana. This event supports the Montana Youth Diabetes Alliance and their summer camp scholarship fund to help kids get to summer camp. Riders will have two different ride options to choose from, either the Rumbler for 55 miles or the Bumbler for 26 miles.
The Rumbler includes 5,000+ft of climbing within 55 miles of forest services roads and is geared towards the more advanced gravel rider. The climbs are challenging and somewhat technical yet the down hills are worth it.
The Bumbler is 26 miles of an out and back, rolling dirt road that follows the Prickly Pear Creek through a beautiful canyon. This is a great route for anyone just looking for a fun morning out with friends. Both courses will have aid stations with water, Hammer Nutrition products and food.
Click the link below to see the Blood Sugar Bumbler route.
https://ridewithgps.com/routes/51062595
Click the link below to see the Blood Sugar Rumbler route.
https://ridewithgps.com/routes/49794964
The Blood Sugar Rumbler brings an exciting Ultra, Marathon to Helena, Montana on September 6, 2025. Don't miss this beautiful event!
Pick your distance
Gravel biking
The Blood Sugar Rumbler
The Blood Sugar Rumbler is a challenging 55 miles of forest service and double track gravel roads. You'll climb just over 5,000ft with some technical gravel to maneuver around. Yet, the downhill sections are worth every bit. There will be two aid stations equipped with snacks, water, and hammer drink mix. This route is for the trained gravel rider looking to push their limits while being safe and having fun. https://ridewithgps.com/routes/49794964
The Blood Sugar Bumbler
The Blood Sugar Bumbler is a rolling 26 mile gravel route with about a 1,000ft of climbing. This is a great route for any beginner gravel rider or someone looking to simply take some friends out for a good ride. This route follows the Prickly Pear Creek with lots of beautiful pull outs to enjoy the awesome geology. This is an out and back route with one aid station at the half way point. Included here will be snacks, water, hammer drink mix, and a porta potties. https://ridewithgps.com/routes/51062595
Weather Overview
These values reflect historical conditions on the race dates in Helena in 2025, from Open-Meteo archive data.
About Helena
Blood Sugar Rumbler takes place in Helena, Montana, United States. The local timezone is America/Denver.
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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.