The Spirit World 100
HardGravel hundred in the Arizona high desert. Source: gravelgodcycling.com 2026 calendar (mid-month approximation).
╚═══════════════════════════════════════════════════════════════════════════╝
SHARE THIS RACE
>> COMMUNITY
▌ Gravel hundred in the Arizona high desert
North America ultra event organized by The Spirit World 100
12 SCORING DIMENSIONS
EFFORT MATRIX
EXPERIENCE MATRIX
GREEN FLAGS
- [+]161 km of hard gravel through Patagonia, Arizona
- [+]Self-supported / ultra format = adventure focus
- [+]Organized by The Spirit World 100
- [+]Varied terrain: Gravel
- [+]Strong US-style aid stations and event production
RED FLAGS
- [!]Self-supported — no aid stations expected
- [!]Off-season date — plan for cold / wet conditions
- [!]Details not yet verified — confirm via official site
RIDER FIT
Built for hours in the saddle — your distance
Limited use for pure climbers
Ultra format = guided adventure with timing chips
Self-supported format suits bikepacking instincts
Smoother surfaces let raw speed talk
Single-day pace suits crit-style riders less here
TIRE INTEL
Mixed gravel with no extreme demands — go for rolling speed.
WEATHER PLAYBOOK
Patagonia, Arizona in autumn (November): expect mild conditions — pack for variable weather. Always check 7-day forecast race week and pack a packable shell.
PACING PLAYBOOK
Sit in. Let the start sort itself out. Pace by feel, not by rivals.
Where the field shatters. Stick to your power numbers, not the surge.
Save one match. The last 20% is where placement is decided.
WHAT TO FEAR
- [!01]Resupply gaps — carry more food than you think
INSIDER INTEL
“The Spirit World 100 is exactly what American gravel does best — well-organized, big aid stations, and a finish-line festival that makes the suffering worthwhile.”
RACE LOGISTICS
Self-supported by design. Carry your own food, water, tools, and shelter. Resupply from towns en route.
Plan for 6-8 hour stretches between resupply points. Carry food and purification.
- +Timing chip + bib
- +Course markings + GPX
- -Spare tubes / tubeless plugs
- -Lodging
- -All food and water beyond the start
- -Shelter / sleep system
- -Tracker (rider-supplied for many ultras)
- -Drop bag transport (unless specified)
Book 6+ months ahead for big events. Check the race partner-hotel list for discounts.
Often the best value for groups. Search the wider race region, not just the start town.
Many gravel events offer on-site camping for a small fee. Check race FAQ.
- ▸Mandatory pre-race brief — non-negotiable attendance.
- ▸GPS device with full route loaded is required, not optional.
TRAVEL OPS
The Spirit World 100 is a quality north america event — great if you're nearby or want to explore the region.