Bentonville's three-surface problem: tarmac speed, sharp Ozark gravel, and climby singletrack on one bike.
350 miles of Kansas limestone hell with zero aid stations. The ultimate test of whether you actually like riding bikes o
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Unbound XL scores 15 points higher overall (91 vs 76), but the right choice depends on what you value most.
"A technically serious three-surface race hiding inside Bentonville's friendliest strange bike party."
"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, Rule of Three is the better pick.
Unbound XL scores 91/100 compared to 76/100 in our 15-dimension Gravel God Rating. The overall score reflects course profile, prestige, race quality, community, and value.
Rule of Three 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.
Rule of Three takes place in May and Unbound XL in June. If your calendar allows, you could race both in the same season.
Rule of Three is held in Bentonville, Arkansas. 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.
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