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UCI vs UCI

AFirst Sport

UCI

Mountain Biking (World Series)

First Sport

Details

Players1

Settingoutdoor

Season2026 WHOOP UCI Mountain Bike World Series — integrated multi-discipline circuit (XCO, XCC, DHI, Enduro, E-Enduro, Pump Track), Discovery Sports / WBD partnership since 2023

CategoryIndividual Sports

BSecond Sport

UCI

Mountain Biking

Second Sport

Details

Players1

Settingoutdoor

Season2026 UCI Mountain Bike Regulations — covers XCO, XCM, XCE, XCC, DHI, PUT, 4X, Enduro formats

CategoryIndividual Sports

Shared Topics

Different Rules

Shared Rules

Rule-by-Rule Comparison(7)

Section 2: Equipment

Different

UCI

All UCI equipment standards apply (frame, wheel sizes 27.5"/29", hydraulic disc brakes, helmet, tyre specs); Series-mandated tracking transponders fitted by series technical staff; WBD broadcast crew may attach approved on-bike cameras at select events

UCI

Bicycle frame: rigid or suspended; minimum wheel diameter 26" (66 cm), max 29" (74 cm); 27.5" and 29" dominant in pro XCO; Hydraulic disc brakes required at UCI level (front + rear); Handlebar width limited to 1000 mm max

Section 3: Playing Area

Different

UCI

Series rounds at homologated UCI venues across Europe, North America, Oceania; 2026 calendar includes ~7-9 rounds (XCO/XCC), ~7-9 rounds (DHI), ~7-9 rounds (EDR); Some rounds co-host XCO + DHI + EDR weekends (e.g., Val di Sole, Leogang)

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Rule-by-Rule Comparison(7)

Section 2: Equipment

Section 3: Playing Area

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Section 4: Players & Officials

Section 5: Rules of Play

Section 6: Scoring

Section 7: Violations & Penalties

Section 8: Safety Considerations