The little sibling that still kicks your ass. 100 miles of Flint Hills gravel—all the suffering, half the existential cr
350 miles of Kansas limestone hell with zero aid stations. The ultimate test of whether you actually like riding bikes o
| Unbound Gravel 100 | Unbound XL | |
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Unbound XL scores 11 points higher overall (91 vs 80), but the right choice depends on what you value most.
"All the Unbound prestige, all the Kansas suffering, half the distance—still not easy."
"The longest gravel race that matters, where the Flint Hills strip away everything but what's left of your soul."
Unbound XL rates as the more demanding race based on our composite difficulty score (averaging length, technicality, elevation, climate, and altitude ratings). If you're looking for the bigger challenge, go with Unbound XL. If you want a more accessible race, Unbound Gravel 100 is the better pick.
Unbound XL scores 91/100 compared to 80/100 in our 15-dimension Gravel God Rating. The overall score reflects course profile, prestige, race quality, community, and value.
Unbound Gravel 100 is generally more accessible for first-time gravel racers, factoring in distance, technicality, and logistical ease. Check each race's full profile for distance options and beginner-specific advice.
Unbound Gravel 100 takes place in May and Unbound XL in June. If your calendar allows, you could race both in the same season.
Unbound Gravel 100 is held in Emporia, Kansas. Unbound XL is held in Emporia, Kansas. Consider travel logistics, especially if you're flying in — check our full race profiles for airport and lodging details.
Get a personalized training plan for either race — tailored to your fitness, schedule, and goals.
$15/week, capped at $249. One-time payment.