“Mech Isle Mayhem” Route Details (Makuri Islands)
Launched in August 2026 for ZRacing, Mech Isle Mayhem is basically two clockwise loops of the flatter Urukazi circuit, followed by a clockwise loop of Mech Isle.
Route Basics
Length: 18.4 km (11.4 miles)
Elevation: 116m (381′)
+2km (1.2 miles) lead-in with 8m (26′) elevation
Map: Makuri Islands
ZIMetrics
Rating: 9.6/100 🛈
Time Estimates 🛈
lead-in + first lap
4 W/kg: 29 minutes
3 W/kg: 31 minutes
2 W/kg: 38 minutes
Start & Finish
Begins from the Mech Isle start pens and heads to the Tidepool Sprint Reverse, whose arch marks the start and finish of this route.
Format: Loop
Restriction: Event Only
Ride Achievement Badge: 365 XP
Run Achievement Badge: none
Strava Segments
Route Description
Beginning at the Mech Isle Start Pens, you’ll travel south for your lead-in to the Tidepool Sprint Reverse. This sprint’s arch is the official start/finish for the course.
From the start line, continue traveling clockwise, taking the inner, hillier road through Mangrove Maze, then onto flat roads across to Festival Harbor’s Boardwalk Sprint Reverse before crossing the bridge to Mech Isle.
Here you’ll stay right, heading up the backside of the famous Mech Isle Corkscrew climb. Very few routes travel in this direction, so this will be an unfamiliar climb to most. Descend the corkscrew, hit the Tidepool Sprint Reverse again, and our second lap begins!
This lap is similar to the first, but not identical. You’ll take the flatter outer road through Mangrove Maze, then hit the same flat roads to and through the Boardwalk Sprint Reverse.
When you arrive at Mech Isle this time, you’ll turn left and ride a complete clockwise lap of the Isle, including the corkscrew in the standard direction.
Ride another half lap of the Isle, then head down for a final go at the Tidepool Sprint Reverse. The arch is the finish line… go go go!
Ridealong Video
Hmmm, would it be a good idea to use a gravel bike in a race?
There seems to be quite some dirt and sand.
85% tarmac / board walk, 15% gravel so that would be a no on the gravel bike
Is there a place you can view the gravel split of a given route?
Yes, I wish there was something like this. A lot of places it’s pretty obvious like the jungle, but in makuri it’s not always clear where the gravel is exactly.
Perhaps ZwiftMap.com will provide some the information you want. I don’t see the Mech Isle Mayhem route, but Fine and Sandy covers nearly the same route but in the opposite direction and without the same looping. From what I’ve read, this is an Open Source project, so for those so inclined, you might be able to code improvements.
Here’s a fun rabbit hole for you to go down 🤪
this is the answer to your question of road surface percent by route (and many other things)
https://zwiftmap.com/innsbruck/2018-uci-worlds-course-short-lap
also if you want help deciding on frames and other info
https://zwifterbikes.web.app/route/2018-uci-worlds-course-short-lap
Just finished the race. It seemed more like 85% gravel?
Was just wondering the same thing…
Guess nobody gets away and it will be decided in last km.
sand is not gravel, sand is quite fast and better suited for road bikes
Ghost finish line!!
I thought the same but got smoked last time I used a gravel bike to race Makuri. And it turns out that in Zwift, sand is exactly the same as tarmac, so this one’s road bikes/wheels all the way. https://zwiftinsider.com/crr/