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Trail running specialist since 1999

Sylvain and Marine MARULAZ

Mountain Leaders

biography

Sylvain: Coming from high-level mountain biking, I switched to trail running about twenty years ago.

Marine: I discovered intense sport through high-level horse riding. I fell in love with trail running about fifteen years ago.

Both of us: Together for 10 years, trail running has always been the backbone of our balance as a couple. We enjoy living our sporting projects together and are increasingly fond of ultra-long distances that reconnect us with nature. As parents, we have learned to love very early morning training sessions; it has almost become our trademark!

  • results & rankings

    2025:

    • 3rd mixed team on the PTL by UTMB
    • 3rd mixed relay on the Saintélyon

    Finisher Diagonale des fous 2015, finisher Ultra tour du Beaufortain relay 2017, Ultratrail du Vercors

  • projects & news

    • Cervino ultra race in duo,
    • Backyard Chartreuse 2026,
    • Saintélyon 2-person relay
    • Swisspeak 360 in duo 2026 or 2027,
    • Tor des Géants 2028

     

    Personal goals: Improve on long ultras by learning to better manage sleep over a week-long race

Landmarks & field tips

• Always have fun!
• Don't forget to really push through the tough sessions (we're lucky to get our volume in at work).
• Don't neglect the quality of your equipment, especially for very long efforts where the slightest flaw can have major consequences.

Social networks

Discover their favorite products

  • Orange Orange

    BOB ADVENTURE

    Trail running vest

    30 g

    €24,90 EUR
    View details
  • ULTRALIGHT 12L

    ULTRALIGHT 12L

    Unisex trail hydration vest

    190 g

    €159,90 EUR
    View details
  • ECODRY STRIPED SHIRT

    ECODRY STRIPED SHIRT

    Women's short-sleeve trail running shirt

    75 g

    €59,90 EUR
    View details
  • ECODRY STRIPED SHIRT

    ECODRY STRIPED SHIRT

    Men's short-sleeve trail running shirt

    100 g

    €59,90 EUR
    View details
  • AERO

    AERO

    Women's underwear

    35 g

    €29,90 EUR
    View details
  • AERO

    AERO

    Men's underwear

    60 g

    €34,90 EUR
    View details
  • AERO

    AERO

    Men's underwear

    60 g

    €29,90 EUR
    View details

100% trail running since 1999

As a French brand, pioneer in Trail Running, based in Chartreuse, Raidlight is committed to designing and manufacturing eco-responsible technical, lightweight, and high-performance equipment to outfit all trail runners from head to toe. Since 1999, by sharing our expertise and commitment with a community of enthusiasts, we believe in the development of French-style Trailrunning—that is, a French brand that is committed, bold, dynamic, and proud of its products!