Tour of the Dragon
ExtremeSingle-day 268-km MTB/gravel epic across central Bhutan, crossing four high Himalayan passes from Bumthang to Thimphu. Often called the world's toughest one-day MTB race. Strict cut-offs, monsoon-season conditions, finish in Thimphu under prayer-flag arches.
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▌ Single-day 268-km MTB/gravel epic across central Bhutan, crossing four high Himalayan passes from Bumthang to Thimphu
Asia ultra event organized by Bhutan Olympic Committee
12 SCORING DIMENSIONS
EFFORT MATRIX
EXPERIENCE MATRIX
GREEN FLAGS
- [+]268 km of extreme gravel through Bumthang → Thimphu
- [+]5,500 m of climbing — proper elevation
- [+]Self-supported / ultra format = adventure focus
- [+]Organized by Bhutan Olympic Committee
- [+]Varied terrain: Gravel, Mountain Roads, Pavement
RED FLAGS
- [!]Ultra distance — needs serious training base
- [!]Extreme rating — only attempt with prior ultra experience
- [!]Self-supported — no aid stations expected
- [!]Details not yet verified — confirm via official site
RIDER FIT
Built for hours in the saddle — your distance
Significant climbing rewards low-watt grinding
Ultra format = guided adventure with timing chips
Self-supported format suits bikepacking instincts
Technical terrain rewards bike-handling
Single-day pace suits crit-style riders less here
5,500 m of climbing means raw watts matter less than grinding low and steady. Your gearing choice will shape your day.
TIRE INTEL
Mixed gravel with no extreme demands — go for rolling speed.
WEATHER PLAYBOOK
Bumthang → Thimphu in autumn (September): 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]Late-race climbs after the legs are gone
- [!02]Mental low point on the long, lonely middle section
- [!03]Resupply gaps — carry more food than you think
INSIDER INTEL
“The climbs are the whole point at Tour of the Dragon. You don't do this race for the flats.”
“Tour of the Dragon brings a uniquely Asian perspective to gravel — different terrain, different weather, different culture. Worth the travel.”
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.
- ▸Mandatory pre-race brief — non-negotiable attendance.
- ▸GPS device with full route loaded is required, not optional.
TRAVEL OPS
Tour of the Dragon is a destination-worthy ultra event in Bhutan. A solid bucket-list addition.