As the landscape of fitness evolves, HDOR (Hundred Days of Running) is at the forefront, offering innovative virtual training solutions that cater to a global audience. Since 2015, HDOR has been pioneering virtual running and cycling challenges, making fitness accessible, engaging, and convenient for everyone.

Revolutionizing Fitness with Virtual Challenges

HDOR has built a robust platform that seamlessly integrates with popular fitness tracking apps like Strava, enabling automatic activity data import. This means participants can focus on their workouts while HDOR takes care of the rest. The platform hosts a variety of events, from single-day challenges to extensive multi-day and annual programs, ensuring there’s something for every fitness enthusiast. Notable events include the renowned “100 Days of Running” and “Tour De 100,” which have seen participation from tens of thousands of athletes worldwide.

User-Friendly Features and Accessibility

One of HDOR’s standout features is its user-friendly mobile app, which provides quick access to fitness data, progress reports, and statistics. This real-time data accessibility helps users track their performance and stay motivated. The platform’s live fitness dashboard allows participants to observe their progress and compare their achievements with others in their group, organization, or geographical area.

Achievements and Rewards

HDOR believes in celebrating every fitness milestone, no matter how small. Participants receive digital finisher certificates, and for those who achieve specific goals, specially designed medals are available, adding a tangible reward to their virtual achievements.

Global Community and Events

HDOR’s virtual events foster a sense of community and global participation. With over 100,000 participants from numerous countries, these events have become a global phenomenon. HDOR continually launches new and exciting events, such as distance challenges and themed runs, to keep participants engaged and motivated throughout the year.


HDOR is redefining the fitness landscape by making exercise more accessible and enjoyable through its innovative virtual training capabilities. Whether you are an avid runner, cyclist, or someone just beginning their fitness journey, HDOR offers a supportive and engaging environment to help you achieve your goals. Join the future of fitness and become part of a global community dedicated to health and wellness.