Articles

Belgian Ultrarunner Karel Sabbe's Record-Breaking Pacific Crest Trail Run Showcased in New YouTube Documentary

Explore Karel Sabbe's record-breaking Pacific Crest Trail run in a riveting documentary. Jour..

Trail Running: How it Can Help Reduce Stress and Anxiety

Trail running is an effective way to reduce stress, anxiety, and improve physical and mental he..

Trail Running vs. Road Running: Which One Is Right For You?

When it comes to running, there are two primary options to choose from: trail running and road..

Pasadena 50K Relay & 50K Solo

Name: Pasadena 50K Relay & 50K Solo
Start: 2026-05-24
End: 2026-05-24
Location: Pasadena

Pasadena, United States • 24 May 2026

Event details

On Sunday, May 24, 2026, a running event returns to Hahamongna Watershed Park in Pasadena, California. The event program includes team and solo formats over long and shorter distances. Teams compete against other teams on a relay format. The solo option covers an ultra marathon distance.

Distances and formats

50 km (relay) - teams of up to five runners
50 km (solo) - ultra marathon distance for individual runners
10 km - shorter course for solo participants

Location and notes

The venue is Hahamongna Watershed Park, 4550 Oak Grove Drive, Pasadena, CA. The organizer describes the relay as intended for teams of family, friends, or club members. Visit the organization's website for the most recent information.

United States California Pasadena

Race information

Website

50 km

50k Solo

50 km

50k Relay

10 km

10k Fun Run

Visit the organization's website for the most recent information.

Trail runs nearby

Saturday Apr 25

SoCal Redwood Race

Brea

Backyard Ultra

Timed trail event at Carbon Canyon Regional Park in Brea, California. Runners choose 3 hour, 6 hour or 12 hour divisions on a 2 mile loop through the redwood grove with aid stations and finisher items.

Saturday Apr 25

Shadow Strike Unsanctioned Run - Chino Hills

Chino Hills

4 mi

Test your speed and navigation skills in this unsanctioned 4+ mile race through Chino Hills. Navigate four checkpoints across gravel and trail terrain to compete for cash prizes in a format where you choose your own route.

Sunday Apr 26

Northeast Trail 5K

Los Angeles

5 km

Support youth programs while running or walking through beautiful Griffith Park. This community trail event features a 5K course for all ages and offers medals and t-shirts to the first 500 participants.

Saturday May 2

Santa Clarita Trail Race

...

This trail race in Santa Clarita's historic Placerita Canyon offers a wide range of distances, from a 5K to a 120K ultramarathon. The course travels through the golden hills of the East Walker Ranch Open Space, featuring singletrack trails..