The flagship race of the Ultra Gobi Series: a 400km solo desert expedition reserved for the world’s most accomplished endurance athletes
- 400km nonstop solo ultramarathon
- 139-hour cut off
- Self-navigated and self-supported
- Checkpoints every 40km
- Limited to 50 runners
- For elite ultrarunners
- Qualification: A 160km+ nonstop trail race finish since Jan 1, 2025