Pasadena 50K Relay & 50K Solo
MAY
24
2026
Return to Hahamongna Watershed Park on May 24, 2026 for a day of team relays and solo challenges. Choose a 50 km relay with teams of up to five, a solo 50 km ultra, or a 10 km fun run amid scenic Pasadena trails.
Sun 24 May 2026
50 kilometers
10 kilometers
Always double-check with the organizer's website! This page may contain affiliate links.
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.
50 km
50k Solo
50 km
50k Relay
10 km
10k Fun Run
