Haunted Valley 5k, 10k, 15k, Half Marathon

About the Event

It's time for the Haunted Valley 5k, 10k, 15k, Half Marathon fun run/walk at Rancho Simi Park!!! Sunday, October 25th, 2026

Check-in - 6:45-7:30AM for everyone

Start - 7:30AM

Address - Rancho Simi Park - on the side by the Pickleball Courts, off of Erringer Rd and Royal Ave. - 1765 Royal Ave, Simi Valley, CA 93065

Google Maps - https://maps.app.goo.gl/ogmTPFYY5dSD2AG18

Apple Maps - https://maps.apple/p/pdV9sASx9Ygj0W

https://www.abetterworldrunning.com/monster-dash-10-25-26-simi

Included in registration —

- custom finisher medals

- drawstring goodie bags

- free videos

- live results the moment you finish

- free photos found by your bib · cinematic race highlight reels · trophies & achievement badges as you hit milestones · your Ascend Index ranking across every race · Ascend Crew to follow friends & chase their times

- FREE A Better World Running APP to keep track of all your races, photos and videos

- assortment of snacks, samples

- friendly, relaxed, fun, and personal racing experience for all levels and abilities

- affordable cost and fun for the whole family!

Address - Rancho Simi Park - on the side by the Pickleball Courts, off of Erringer Rd and Royal Ave. - 1765 Royal Ave, Simi Valley, CA 93065

Google Maps - https://maps.app.goo.gl/ogmTPFYY5dSD2AG18

Apple Maps - https://maps.apple/p/pdV9sASx9Ygj0W

Included in registration —

- custom finisher medals

- drawstring goodie bags

- free videos

- live results the moment you finish

- FREE A Better World Running APP to keep track of all your races, photos and videos

- assortment of snacks, samples

- friendly, relaxed, fun, and personal racing experience for all levels and abilities

These values represent the 3-year monthly averages for October in Simi Valley.

thermostat Temperature

15.1° / 28.1°

wb_sunny Feels like

12.7° / 25.2°

light_mode Avg sunshine hours

10h 33m

water_drop Avg rainfall

0.4 mm

ac_unit Avg snowfall

—

air Avg wind speed

9.6 km/h (Light breeze)

opacity Sweat loss rate

High

terrain Course conditions

Hard and dry surface

sunny Max UV Index

Moderate (4.0)

humidity_mid Humidity

50.0%

wb_twilight Sunrise

07:01

nightlight Sunset

18:19

About Simi Valley

Learn more about the host city, Simi Valley.

Simi Valley is in Ventura County in Southern California. There isn't much in this Los Angeles suburb but it's possible to drive to many destinations in Southern California within an hour such as Disneyland, Hollywood and Downtown LA.