LEIN TRAIL 01.3 NewYear Challenge 2026

Presentation

The LEIN TRAIL 01.3 NewYear Challenge is a highly anticipated trail running event that marks the beginning of the new year with a commitment to natural beauty and athletic endurance. Set against the stunning backdrop of Nanjing, China, this event draws athletes from both local and international backgrounds who seek to kickstart their racing calendar in the first days of January. The picturesque landscape of Nanjing, with its rich historical features and lush greenery, provides a unique running experience that combines both culture and nature.

Nanjing’s geographical diversity offers a spectacular terrain for trail runners. The event is part of the prestigious UTMB series and holds an ITRA index, which acknowledges its standing in the global trail running community. Since its inception, the LEIN TRAIL has grown into a cherished event, offering multiple distance options that cater to all levels of runners, thus reinforcing the enthusiasm for trail running in the region.

Courses and formats

20KM

The flagship 20KM course entails a mix of moderate elevation and breathtaking scenery. Runners will navigate through diverse terrain that includes forest trails, rocky paths, and picturesque views of Nanjing’s landscape. Key passages include sections along the scenic riverside and through local historical landmarks. Aid stations are strategically placed at the 5KM, 10KM, and 15KM marks, providing hydration and nutrition to athletes. The overall elevation gain for this course is approximately 600 meters, requiring a good level of fitness. Cutoff time for this segment is set at three hours.

10KM

The 10KM format provides a more accessible option for novice trail runners or those seeking a faster experience. This course boasts a less technical path with fewer elevation challenges, reaching an elevation gain of around 250 meters. The terrain remains captivating, with forested areas and clear pathways. There will be an aid station located at the halfway point to support runners, with a cutoff time of two hours.

10KM KIDS

The 10KM KIDS format is designed to encourage younger participants to embrace trail running. This course is shorter and less demanding, featuring gentle slopes and wide trails that are safe and fun. It aims to instill a love for outdoor activities in children while providing a family-friendly environment. The elevation gain is around 100 meters, with easy access to an aid station. The cutoff time for young runners is 1.5 hours.

Terrain and difficulty

The terrain for the LEIN TRAIL event ranges from rocky paths to smooth forest trails, making it ideal for a variety of skills. Runners can expect to encounter sections of single-track trails and exposed areas that may require caution, particularly during the winter season. Typical weather conditions in early January may fluctuate around 5°C to 15°C, so participants should be prepared for varying temperatures and potential rain.

The altitude for the race begins at approximately 30 meters and reaches a maximum of around 600 meters, providing slightly challenging courses for experienced runners while remaining manageable for novices. Participants should come equipped with sufficient training and preparation, including practice on similar terrains before the race.

History and notable results

Since its launch, the LEIN TRAIL event has evolved to become a hallmark of the Nanjing trail running calendar. Each year, it attracts an increasing number of participants, reflecting the growth of trail running as a popular sport in Asia. Notable editions have seen record-breaking participation, with both local athletes and international stars vying for podium positions.

The course record for the 20KM distance is held by a prominent athlete known for their exceptional endurance and speed on varied terrains. This race has become not just a test of physical strength but also a celebration of community and sport, with athletes coming together to share their passion for trail running.

Practical info for participants

• Mandatory Gear: Trail running shoes, weather-appropriate clothing, hydration system, personal nutrition, and a whistle are required.
• Qualifications: No specific qualifications are required for entry, but a good fitness level is advisable.
• Cutoff Times: Participants must finish the 20KM within three hours and the 10KM within two hours.
• Drop Bag Logistics: Drop bags can be left at designated locations at the start line and will be transported to the finish area for collection after the race.
• Access/Accommodation: Nanjing is well-connected by train and air. Numerous hotels are available near the race venue