Drop waypoints onto any real-world location, close the loop,
and get instant lap-time estimates, corner classifications,
and speed-zone analysis, just like the engineers do it.
Best experienced on desktop — some features are not available on mobile.
R1 — Australian GP Melbourne
R2 — Chinese GP Shanghai
R3 — Japanese GP Suzuka
R4 — Bahrain GP Sakhir
R5 — Saudi Arabian GP Jeddah
R6 — Miami GP Miami Gardens
R7 — Canadian GP Montréal
R8 — Monaco GP Monte Carlo
R9 — Spanish GP Barcelona
R10 — Austrian GP Spielberg
R11 — British GP Silverstone
R12 — Belgian GP Spa
R13 — Hungarian GP Budapest
R14 — Dutch GP Zandvoort
R15 — Italian GP Monza
R16 — Madrid GP IFEMA
R17 — Azerbaijan GP Baku
R18 — Singapore GP Marina Bay
R19 — United States GP Austin
R20 — Mexico City GP México
R21 — São Paulo GP Interlagos
R22 — Las Vegas GP Las Vegas
R23 — Qatar GP Lusail
R24 — Abu Dhabi GP Yas Marina
Place waypoints
Click anywhere on the map to drop track points. The circuit draws itself as you go.
Click
Close the loop
With 3+ points placed, close the circuit to unlock full lap analysis.
C
Pan the map
Right-click and drag to move around without placing points. Scroll to zoom.
Right-dragScroll
Drag to refine
Grab any placed point and drag it to reshape the circuit in real time.
Drag point
Undo and delete
Undo up to 30 steps. Double-click a point to remove it. Escape clears all.
ZEsc
Export and share
Save a PNG of your circuit or copy a shareable URL for others to open and edit.
ES
Zoom in and out
Use the keyboard to zoom in and out while keeping your hands off the mouse.
+−
Initialising Map
Circuit Designer
Clear
← Undo
Close Loop
Share
Zoom In
Zoom Out
Change Location›
R1 — Australian GP Melbourne
R2 — Chinese GP Shanghai
R3 — Japanese GP Suzuka
R4 — Bahrain GP Sakhir
R5 — Saudi Arabian GP Jeddah
R6 — Miami GP Miami Gardens
R7 — Canadian GP Montréal
R8 — Monaco GP Monte Carlo
R9 — Spanish GP Barcelona
R10 — Austrian GP Spielberg
R11 — British GP Silverstone
R12 — Belgian GP Spa
R13 — Hungarian GP Budapest
R14 — Dutch GP Zandvoort
R15 — Italian GP Monza
R16 — Madrid GP IFEMA
R17 — Azerbaijan GP Baku
R18 — Singapore GP Marina Bay
R19 — United States GP Austin
R20 — Mexico City GP México
R21 — São Paulo GP Interlagos
R22 — Las Vegas GP Las Vegas
R23 — Qatar GP Lusail
R24 — Abu Dhabi GP Yas Marina
Toggle white dotsON
Race typeF1
Toggle satellite viewOFF
Export imageE
View changelog›
Terms & Conditions›
Click to place track points · Drag points to adjust · Right-drag to pan
Track Analysis
Speed Zones
Full speed >280 km/h
Fast corner 175–280
Medium corner 100–175
Slow corner <100
Share Circuit
Copy this URL to share your circuit. Anyone with the link can view and edit the track.
Changelog
v1.2.1— March 10, 2025
Fixed some bugs
v1.2.0— March 10, 2025
Quality of life improvements
Improved mobile experience
v1.1.0— March 9, 2025
Added satellite toggle feature
Made it easier to pick a starting location
Added ability to hide white dots on the map
Made it so track speed isn't calculated until the loop is closed
Added three classes of races: F1, GT3 and MotoGP
Added ability to zoom in and out with + and − keys
Added this changelog
v1.0.0— March 1, 2025
First version is live, pushing it out into the world to see if people find this interesting
Terms & Conditions
1. Ownership
Circuit Designer and all of its source code, design, visuals, and underlying logic are the exclusive intellectual property of the creator. All rights are reserved.
2. No Copying or Redistribution
You may not copy, reproduce, modify, reverse-engineer, decompile, or extract any part of this application — including but not limited to its HTML, CSS, JavaScript, algorithms, or visual design — for any purpose.
You may not host, republish, or redistribute this application or any derivative of it on your own domain, platform, or service, whether commercially or otherwise.
3. Personal Use Only
This tool is provided for personal, non-commercial use only. You are welcome to use it to design circuits, explore locations, and share your creations via the built-in share feature.
Any use beyond personal enjoyment — including embedding in other products, selling access, or using the output commercially — requires explicit written permission from the creator.
4. No Warranty
This application is provided "as is" without warranty of any kind. The creator is not liable for any damages arising from its use.
Lap time estimates and speed zone analysis are approximations for entertainment purposes and should not be used for real-world engineering or safety decisions.
5. Changes to These Terms
These terms may be updated at any time. Continued use of the application constitutes acceptance of the current terms.