The Castell Grind is comprised of three separate endurance gravel races, the Full Grind 100K 3/4 Grind 72K Half Grind 50K. All races begin in Castell and follow remote gravel roads through the rolling Texas Hill Country. The Castell Grind is comprised of three separate endurance gravel races, the Full Grind 100K, 3/4 Grind 75K and Half Grind 50K. All races will begin in Castell following remote gravel roads through the rolling Texas Hill Country in the middle of nowhere. You can expect amazing views, wildlife, cattle gua 17 talking about this. 2014 HALF GRIND RESULTS The Castell Grind is comprised of three separate endurance gravel races, the Full Grind 100K, 3/4 Grind 75K and Half Grind 50K. I found these gravel roads using Google Earth and we planned a trip to Castell. The Castell Grind is comprised of three separate endurance gravel races, the Full Grind 100K 3/4 Grind 72K Half Grind 50K. Congratulations to all finishers. All races will begin in Castell following remote gravel roads through the rolling Texas Hill Country in the middle of nowhere. As Mike Drost, one of the organizers explained it, "[some friends and I] had just bought some Salsa Fargos and were looking to explore. All races will begin in Castell following remote gravel roads through the rolling Texas Hill Country in the middle of nowhere. If you see a discrepancy or have a question about the results please feel free to contact us. All races will begin in Castell following remote gravel roads through the rolling Texas Hill Country in the middle of nowhere. The Castell Grind came about like many of these events do, during a bike ride amongst friends. The Castell Grind is comprised of two separate endurance gravel races, the Full Grind 100K 3/4 Grind 72K Half Grind 50K. closed: 3/4 Grind 75K $53 see event details 45 miles Top 5 male / female 125 $53 Registration for this category will open on November 1, 2020 at noon closed: 3/4 Grind 75K Waitlist $0 In just over one year the Castell Grind gravel grinder bike race in Texas Hill Country has grown from "fun curiosity" status to "serious race" status. Expect great views, wildlife, cattle guards, minimal traffic, adventure, and a gravel challenge worthy of bragging rights. CASTELL GRIND RESULTS. The Castell Grind is comprised of three separate endurance gravel races, the Full Grind 100K 3/4 Grind 72K Half Grind 50K. Castell Gravel Grinder Race October 25, 2013 Mark Chandler News & Info , Rides & Trails The Full Grind 100K and Half Grind 50K races are taking place April 5th in the Texas Hill Country. The Castell Grind is a bicycle race comprised of three separate endurance gravel races: the Full Grind 100K, 3/4 Grind 75K, and Half Grind 50K. 2017 RESULTS 2016 RESULTS 2015 RESULTS 2014 FULL GRIND RESULTS. This waitlist will open when the Full Grind 100K category fills. 3 talking about this.