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Pasadena Trail Half Marathon

Pasadena Trail Half Marathon offers a demanding test on challenging Southern California trails.

Race Date

Oct 18, 2026

Location

Pasadena, CA

Quick facts

Date
Sunday, October 18, 2026
Location
Pasadena, California
Distance
Half marathon (13.1 mi) + 10K, 5K trail run
Course
Loop Course
Terrain
Trail
USATF certified
Not listed

Highlights

Atmosphere

Local CommunityWell Organized

The Experience

The Pasadena Trail Half Marathon is the flagship event for Pasadena Running Company, capping the year with a challenging test of endurance. This race is designed to showcase the best and toughest trails in the region, appealing even to seasoned trail runners.

Set in the scenic landscape surrounding Pasadena, California, the routes are known for their demanding nature. Runners can expect a significant challenge, with the course pushing limits and offering a true trail running experience. The event typically sells out quickly, indicating its popularity among those seeking a rigorous half marathon.

As the organizer's premier event, the Pasadena Trail Half Marathon draws participants eager to test their mettle on demanding terrain. The race is a highlight for local and visiting trail enthusiasts alike, promising a rewarding yet tough day on the trails.

Race-provided description

PASADENA RUNNING COMPANY Cart 0 HOME Events Volunteer Partners Results CONTACT REGISTER NOW Back 50K Relay & 10K Fun Run SoCal Summer 6K/12K Trail Half & 5K/10K 2025 Event Calendar Cart 0 HOME Events 50K Relay & 10K Fun Run SoCal Summer 6K/12K Trail Half & 5K/10K 2025 Event Calendar VolunteerPartnersResultsCONTACT PASADENA RUNNING COMPANY TRAIN | RACE | SHOP REGISTER NOW Sunday, October 18thJoin us for our flagship race, capping the year with the most challenging routes. The Pasadena Trail Half routes showcase our best and toughest trails for even the most experienced trail runners. Register soon as Pasadena Trail Half spots sell out quickly! REGISTER NOW #block-yui_3_17_2_21_1484762722014_247902 { --sqs-block-content-flex: 0; } Race DetailsEverything from early packet pick up and addresse

Logistics

Race Day

Sunday, October 18, 2026

Start Time

TBA

Start Location

Pasadena, CA

Directions

Course Info

Course Type

Loop Course

Terrain

trail

Surface

Dirt Trail

Difficulty

Rolling Hills

Net Drop/km

0 m (Flat)

Separation

0.0%

Also Offers

10K5K trail run

Quality Score

Methodology
Heritage0/20

first year

Size0/15

no finisher counts yet

Momentum3/5

small race — neutral

Loyalty0/20

needs a few years of results

Course & details8/15

3 timing sources · 8 photos

National draw0/10

no finisher data yet

Front-pack speed0/5

no winner time yet

Weather0/10

typical high 80°F

Race Day Weather

5-year historical avg

Start (Low)

57°

Afternoon (High)

80°

Warm — hydration strategy is key, start conservatively

0.0"

Precipitation

7 mph

Wind

52%

Humidity

Race Photos

Frequently asked

When is the Pasadena Trail Half Marathon?

The Pasadena Trail Half Marathon is held on Sunday, October 18, 2026.

Where does the Pasadena Trail Half Marathon take place?

It takes place in Pasadena, California.

What distances does the Pasadena Trail Half Marathon offer?

The half marathon (13.1 miles), plus 10K, 5K trail run.

Is the Pasadena Trail Half Marathon course flat and good for a PR?

The Pasadena Trail Half Marathon is a rolling hills, loop course course.

HalfRuns editorial — independent, no paid placement.

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