Preregister for 2025 edition!


Emblematic moment of your half-marathon weekend, the expo of Harmonie Mutuelle Semi de Paris will be situated at Parc Floral de Paris, route de la Pyramide 75012 Paris, March 1st from 10AM to 8PM and March 2nd from 10AM to 7PM.Warning, you’ll be able to access to Parc Floral from 9:30AM only. After 6:30PM, entry and exit will be possible only by using Pyramide access.

Don’t hesitate to say hi to Château de Vincennes which will be looking after you during your race 😉 

During 2 days, enjoy the excitement of the village! Your weekend’s schedule is various conferences, products testings, bibs and fans signs customization at the Fan Corner, tips on Mon Premier Semi stand and of course, your bib and tshirt pick up moment!

To go to the expo, you can use the public transportation :

The full schedule of the animations will be online soon.


Participate at Harmonie Mutuelle Semi de Paris Expo, the 1st big gathering of the running season in Paris:

  • 1st Half Marathon in France, 3rd in the world
  • Opening of the worldwide running season in Paris
  • The Expo, the place to go to pick up the bib and more!


Contact Exposants :


Amaury Sport Organisation
Email :
Phone : +33 (0)