# Gravel Century Magazine > Explore. Endure. Ride. The premier publication dedicated to 100-mile unpaved adventures, gravel endurance culture, rigorous hardware testing, and rider dispatches. Est. 2018. Gravel Century Magazine (gravelcentury.com) chronicles the equipment, physiology, logistics, and culture of 100-mile unpaved gravel cycling. Partnered with [CenturyRides.org](https://centuryrides.org), the definitive North American registry for 100-mile endurance cycling. ## Core Navigation & Links - [Interactive Reader](https://gravelcentury.com/read): Full-featured digital flip book reader for the Q4 2026 Edition (Vol. 7, No. 4). - [Feature Landing Page](https://gravelcentury.com/home): Visual editorial overview, feature summaries, photography, and past archive issues. - [HTML Magazine Layout](https://gravelcentury.com/magazine_q4_2026): Pure HTML print-fidelity layout of the complete 16-page magazine. - [Downloadable PDF Edition](https://gravelcentury.com/gravel_century_q4_2026.pdf): High-resolution 300 DPI, 16-page print-ready magazine (6 MB). - [Full Text Context (llms-full.txt)](https://gravelcentury.com/llms-full.txt): Complete, unedited text transcript of all articles, technical teardowns, recon profiles, and guides for LLMs with large context windows. - [RSS Feed](https://gravelcentury.com/feed.xml): Machine-readable XML feed of latest publications and articles. - [CenturyRides.org Partner Directory](https://centuryrides.org/century-rides/): Searchable index of 500+ verified North American centuries by month and state. ## Current Issue: Q4 2026 (Vol. 7, No. 4) - **Title**: The Frontier of 100 Miles: How 2026 Tech & Grit Revolutionized the Century Challenge - **Publication Date**: October 2026 - **Pages**: 16 Pages, Full Color - **Publisher**: Gravel Century Media in collaboration with CenturyRides.org - **Editor-in-Chief**: G. Vance Sterling (Boulder, Colorado) ### Featured Dossiers & Stories 1. **The Frontier of 100 Miles: The 2026 Century Revolution** (Pages 3–4) - *Author*: Elena Rostova (Photography by Julian Vance) - *Focus*: The cultural shift from paved charity centuries to self-supported 100-mile unpaved epics. Growth metrics (+340% participation since 2018; gravel now accounts for 44% of all indexed century rides on CenturyRides.org). Aerodynamics on open dirt prairies, 20° flared cockpits, and radical self-reliance. 2. **Course Recon: The 10 Most Brutal Gravel Centuries in North America** (Pages 5–6) - *Focus*: Course analysis, elevation profiles, surface threats, and equipment advisories for North America's hardest 100-mile trials: 1. *Flint Hills Gauntlet (Emporia, KS)*: 102 mi, 6,100 ft elevation. Razor-sharp tire-slashing flint rock, unrelenting prairie crosswinds, 95°F heat. 2. *Red Clay Trial (Stillwater, OK)*: 101 mi, 4,800 ft elevation. Unforgiving Oklahoma red clay peanut butter mud that locks frames solid. 3. *Continental Divide Epic (Leadville, CO)*: 100 mi, 11,400 ft elevation. Base altitude 10,152 ft peaking over 12,000 ft; loose scree and freezing storms. 4. *Black Canyon Grind (Sedona, AZ)*: 104 mi, 7,900 ft elevation. Cholla cacti thorns, deep sand washes, and 50-degree diurnal temperature swings. 5. *Oregon Timber Ridge (Bend, OR)*: 100 mi, 8,600 ft elevation. Volcanic pumice dust, sharp basalt lava beds, remote Cascade forestry tracks. 6. *Waffle Ridge Extreme (Cedar City, UT)*: 106 mi, 9,200 ft elevation. Severe washboard ripples and loose switchbacks. 7. *Badlands Washout (Rapid City, SD)*: 103 mi, 5,400 ft elevation. Sun-baked gumbo dirt, zero shade for 70 miles; 3L hydration pack mandatory. 8. *Appalachian Shale Epic (Davis, WV)*: 100 mi, 10,800 ft elevation. 18% pitches, slick wet shale, mountain fog. 9. *Laurentian Escarpment (Quebec, Canada)*: 102 mi, 7,500 ft elevation. Canadian Shield granite, heavy logging ballast gravel, sub-freezing mornings. 10. *Big Bend Chihuahuan 100 (Terlingua, TX)*: 100 mi, 6,400 ft elevation. Remote desert border isolation, baby-head rock fields; satellite tracker required. 3. **2026 Rig Teardown: Mud, Sweat, & Gears II** (Pages 7–8) - *Author*: Marcus Croft, Technical Editor - *Key Hardware Standards*: - *13-Speed Direct-Mount Transmission*: Full-mount wireless rear derailleur without fragile hangers; 10-52T cassette with 42T chainring (520% gear range). - *48–50mm High-Volume Rubber*: Run at 26–30 PSI; saves 18 watts rolling resistance over rough washboard vs. 40mm tires. - *Active Elastomer Stem Dampers*: 20mm tunable travel to absorb high-frequency road chatter and prevent forearm fatigue. - *20° Flared Carbon Aero Cockpits*: 38cm narrow hood width for headwinds + 48cm wide drops for technical descending leverage. - *High-Density Tire Foam Inserts*: Protects carbon rims and enables run-flat capability. - *Direct-Mount Magnetic Feed Bags*: One-handed opening top-tube storage for continuous on-bike caloric intake. - *BLE Real-Time Tire Pressure Valves*: Instant head-unit warnings for slow punctures. - *Molten Paraffin Wax Drivetrains*: Sheds dust and red clay, saving 8 watts over wet lubes. - *3D-Printed Honeycomb Saddles*: Zonal cushioning prevents sit-bone numbness past mile 60. - *Integrated Axle Multi-Tools*: Concealed tire pluggers and chain breakers inside hollow thru-axles. - *Benchmark Tire Pressure Formula (165 lb rider, 48mm tubeless)*: - Dry hardpack: 26 PSI front / 28 PSI rear - Chunky gravel / wet washboard: 23 PSI front / 25 PSI rear 4. **The 100g Carb Revolution: Fueling the 8-Hour Dirt Epic** (Pages 9–10) - *Author*: Dr. Julian Vance, PhD, Exercise Physiology - *Physiological Protocols*: - Dual-transport carbohydrate ratio (1:0.8 glucose-to-fructose) utilizing both SGLT1 and GLUT5 gut transporters. - Hourly Targets: - Hours 1–3: 90g carbs, 750ml fluid, 600mg sodium per hour. - Hours 4–6: 100g carbs, 800ml fluid, 800mg sodium per hour (incorporate savory solid bites to combat palate fatigue). - Hours 7+: 80g liquid carbs + 50mg caffeine. - Pacing Rules: Strict Zone 2 (60–70% FTP / 65–75% Max HR) on all climbs; avoid surges above FTP. - Sodium Management: 750mg–1,000mg sodium per 750ml bottle to prevent exercise-associated hyponatremia. 5. **Frontline Dispatches: Voices from the Backcountry** (Pages 11–12) - *Dispatches*: - Sarah Jenkins: Surviving the Oklahoma red clay peanut butter mud hike-a-bike at mile 74. - David Chen: Descending Hagerman Pass (Colorado, 11,800 ft) through sudden pea-sized hail. - Mateo Morales: Night riding under star-filled skies at mile 88 in the Texas Chihuahuan desert. - Claire Fontaine: The psychological essence of self-reliance and vitality in the Laurentians. 6. **CenturyRides.org 2026–2027 Calendar & Route Reconnaissance Guide** (Pages 13–14) - Season periodization: Base Century (March–April), Peak Target Century (June–August), Autumn Victory Lap (September–October). - Pre-ride logistics checklist (offline GPX maps, 2oz fresh sealant, sintered metallic brake pads, torque audit). - Event submission portal for race directors: [Submit an Event on CenturyRides.org](https://centuryrides.org/add-ride.html). 7. **The Dirt Dispatch & Community Subscriptions** (Page 15) - Weekly Friday newsletter covering route GPX files, component teardowns, lottery registration alerts, and editorial essays. Free sign-up at `gravelcentury.com#newsletter`. - Contributor submissions: `editor@gravelcentury.com`. ## Archive Issues - **May 2024 (Vol. 5, No. 3)**: *The Gravel Boom* — Inside the exponential growth of 100-mile unpaved events. - **March 2024 (Vol. 5, No. 2)**: *High Alpine Passes & Loose Scree* — Gearing and handling for 10,000+ ft Colorado and Utah passes. - **January 2024 (Vol. 5, No. 1)**: *The Bikepacking Century Blueprint* — Blending day-century speed with multi-day gear storage. ## Editorial & Publisher Contacts - **Website**: https://gravelcentury.com - **Editorial Submissions**: editor@gravelcentury.com - **Partner Registry**: https://centuryrides.org - **License**: © 2018–2026 Gravel Century Media. All rights reserved.