www.20vanalphen.nl

20 van Alphen

location_on

Alphen aan den Rijn, South Holland, Netherlands

calendar_today 28 Feb, 2026 – 01 Mar, 2026

directions_run Running

sell €6.00 – €25.00

About the Event

Experience the electric atmosphere of Alphen aan den Rijn at the Keukenwarenhuis.nl 20 van Alphen, a premier multi-day running festival held on February 28 and March 1, 2026. Often regarded as the traditional opening of the Dutch road racing season, this event transforms the city into a vibrant hub of athleticism and community spirit. The 2026 edition offers a comprehensive range of distances, including the flagship 20km and 10km road races, alongside a festive evening FunRun and accessible walking routes. Whether you are an elite athlete aiming for a personal record on the fast, flat polder course or a casual participant looking to soak up the local cheers, the 20 van Alphen provides a professional yet celebratory environment for all ages and abilities.

The weekend kicks off with Saturday’s energetic FunRun and walking events, setting the stage for Sunday’s main competitive races. Known for its impeccable organization and enthusiastic roadside support, the event attracts thousands of participants from across the Netherlands and beyond. Runners are treated to a scenic route that winds through the heart of the city and the surrounding green landscapes, culminating in a high-energy finish line experience. With registration opening on December 1st, this festival invites you to be part of a long-standing tradition where personal achievements and community celebration go hand-in-hand. Join the sea of runners in 2026 and discover why this remains one of the most beloved fixtures on the national running calendar.

Metric	20 van Alphen 2026 Details
Event Dates	February 28 - March 1, 2026
Main Distances	20km, 10km, 5km, FunRun, Kids Run, Walking
Registration Opens	December 1, 2025
Alphen aan den Rijn Population	~114,000 Residents
Demographics of the Netherlands	Dutch (74.4%), Other EU (7.5%), Turkish (2.4%), Moroccan (2.4%)
Typical Attendance	8,000 - 10,000+ Participants

water_drop 85.6%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 3.2° / 8.7°

wb_sunny -1.2° / 4.4°

air 15.4 km/h

water_drop 85.6%

About Alphen aan den Rijn

Learn more about the host city, Alphen aan den Rijn.

Alphen aan den Rijn is a town in the western Netherlands. The city is situated on the banks of the Old Rhine between Utrecht and Leiden. The area around Alphen aan den Rijn has been inhabited for 2000 years. During the Roman Empire, the Old Rhine was the head branch of the Rhine. On the modern center of the city, the Romans built a fortress. Remnants of the Romans have been found and can be seen in Leiden at the National Museum of Antiquities.