Unbound Gravel 200
📍 Kansas, Flint Hills, USA
gravel
Date
3–6 June 2027
Distance
200mi · 100mi · 50mi · 25mi
Elevation
2,800 m
Difficulty
gravelmtb
Jackson Forest Grasshopper
California, USA · 25 April 2026
Difficulty: 4/5 — Very hard
A challenging 32-mile off-road race with over 1200m of climbing through California's Jackson State Demonstration Forest. The course combines 35% singletrack with 65% dirt and gravel roads, featuring technical sections, steady climbs, and diverse terrain.
Visit official site →- Distances
- 32 miles
- Elevation
- 1,261 m
- Surface
- singletrack, dirt, gravel
- Typical W/kg
- 3–4
Rider fit
Who it's for
This race is ideal for experienced riders who enjoy technical off-road challenges, require good bike handling skills, and prefer a remote backcountry feel over purely high-speed racing.
Who will struggle
Beginners, those new to off-road riding, or riders with limited bike handling skills will find the technical sections, rugged trails, and significant climbing very difficult.
Training focus
Training should prioritize endurance for sustained climbing, technical bike handling skills for singletrack and rough sections, and strategic pacing to conserve energy throughout the varied course.
Are you ready for this race?
Compare your W/kg to see how you stack up against this race's typical level — and which races fit you best right now.
FAQs
What is the course distance and elevation?+
The race features a single 32-mile (approximately 51.5 km) loop with 4,138 feet (around 1,261 meters) of elevation gain.
What kind of terrain can I expect?+
The course is 100% off-road, consisting of 35% singletrack and 65% dirt and gravel roads. Riders will encounter smooth dirt, rougher forest sections, steady climbs, and technical bits.
What type of bike is recommended for this event?+
While a gravel bike is acceptable with wide, treaded tires, a hardtail or XC mountain bike is generally recommended for the varied terrain, including technical and rugged sections. E-bikes are not permitted.
Are there aid stations on the course?+
Yes, there will be two opportunities to pass the single aid station on course, specifically at mile 18.7 and mile 25.3.
Is there a short or long course option?+
No, all registered riders will complete the same 32-mile course without any short or long course alternatives.
What are the registration deadlines and options?+
Registration opens November 1st, 2025, and closes April 22nd, 2026, at 11:59 PM PST. Day-of registration is available if the event is not sold out, incurring an additional $20 fee. Transfers to other riders are permitted until April 21st, 2026, at 11:59 PM PST, with a $20 fee for day-of transfers.