Running
Open
Run
The world's fastest open-source running shoe

Designed for creative runners, it's also your top choice for all-day comfort. Customise it for the best-fitting shoe you've ever worn.

Required digital tools:

Laser cutter CNC router Vinyl cutter ≈ €75 materials
View materials
Open Run — top view showing lacing
Open Run — detail of thermoformed EVA midsole

We believe in local and decentralised manufacturing. The shoe was designed to be produced anywhere in the world.

Person measuring foot length with ruler on paper
Step 01

Measure
your feet

Enter your foot length in millimetres to find the best EU size. We recommend choosing a shoe about 15 mm longer than your foot.

Enter mm — your recommended EU size will be highlighted below.

Thermopress machine forming the Open Run label
Step 02

Download
files

All production files needed for your shoe project in one click — laser cut, CNC, 3D print, and instructions.

Pick your shoe size (EU):

Select a size
Open Run bill of materials laid out
Step 03

Gather
materials

Core materials:

  • Natural leather or Vegan alternative, thickness 1.8–2.2 mm
  • Durable rubber sole pad, thickness 2–4 mm
  • EVA foam board, 30 mm thick
View full materials list
Hands stitching Open Barefoot upper with two needles
Step 04

Let's
Make it

Now you are ready to start your footwear project. Visit your nearest FabLab — they have all the digital tools you need.

Start Making
Josef Trojan at the Freiburg Marathon
Performance proof

Sub-3
hour
marathon

Freiburg, Germany — 2:56:20

Josef Trojan became the first runner to complete a sub-3-hour marathon in Open Run shoes — proving that open-source doesn't mean compromising on performance.

Meet the team

Also try
Open Barefoot.

Two materials. Complete freedom. The ultimate minimalist shoe for natural movement.