Arroyo Creek Half Marathon, 10k & 5k

Official Partner
Simi Valley, California, US
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Welcome to the 8th annual Arroyo Creek Half Marathon 5k 10k on June 24, 2018. The race will start at Rancho Simi Park at 1765 Royal Ave, Simi Valley CA 93065 and run along the Arroyo bike path. Which is lined with beautiful trees for shade and makes a wonderful environment.


  1. Race Name: Half Marathon

    • Run 21.1km
    Race Date: Sun 24 Jun 2018, 7.00am
  2. Race Name: 10k

    • Run 10km
    Race Date: Sun 24 Jun 2018, 7.15am
  3. Race Name: 5k

    • Run 5km
    Race Date: Sun 24 Jun 2018, 7.30am
Course Maps
Course Details

Half Marathon: Start time 7:00 am
Start at Rancho Simi Park and Erringer. Head east on the Arroyo Bike path up to approx Angus Ave. The bike path will take a left turn towards L.A. Ave the turn around is at that point. We will have a turn around sign and aid station at that point. Head west to Madera, turn around and head east to Erringer, right on Erringer, right at the bike path towards the park, left into the park then back to the finish line.


Can I walk the course? 
Yes: you have 4 hours to finish the half marathon, that’s about 15minutes plus per mile. Sooo… walkers are welcome, stroller moms, and walking clubs.  Those of you who are new to 5k, 10k events are encouraged to come out and push yourself to new limits of fitness.
All of our courses are designed with EVERYONE in mind!

Is the course accurately measured and marked?
Yes:  We have measured the course using a GPS watch and checked it three different times with three different runners.  That is the best we can do, as you know GPS will vary slightly from time to time but it’s the best we can offer for you.  Feel free to check it out on your own watch if you have time prior to the race.  There will be mile markers on the course.

When, where and what is Package pickup? 
This is where you pick up your race timing chip, race bib #, and race day t-shirt, ask your pre-race questions, check out the course map.
This will be your last chance to register for this race,

Saturday, June 23rd  –  10:00 am to 2:00 pm
Fleet Feet Westlake

Can I register for the race at the packet pick-up location? 
YES…You can register for the race at the package pick-up there is NO Discounts Package pickup and we only accept cash or credit cards, NO CHECKS. You can also register online or by sending in the registration form.  Online registration closes August 12  at 10:00 am.

What kind of t-shirts will we be getting?
Tech shirts that are men’s specific and women’s specific sizes.  Tech shirts are more fitted moisture wicking types of shirts

Parking? … Where do we park? 
We have two large parking lots that should hold everyone.  Come early and be patient.  There will be hundreds of people trying to get into the same place all at once. Overflow Parking at Royal High school a couple of blocks from the starting line.

Can I pick up my race packet on race day??
YES…you can pick up your race packet on race day, but we advise you to come early!!  There may be hundreds of people doing the same and it may take some time.  We advise you to go to the packet pick-up Saturday before race day instead.  Last minute check in on race day begins at 6:00 a.m. and ends at 6:45 a.m.  There is NO race day registration.

Race results will be posted as follows:
5k preliminary results will be posted at approx. 8:00 a.m.
10k preliminary results will be posted at approx. 9:00 a.m.
Half Marathon – approx. 9:30 a.m.

Water stations and Porta potty locations along the course: 
Porta potties are at race start and the following
Erringer –        1/2 / 8 mile mark
Sycamore –     1.5 /7.5 mile mark
Sequoia-         3/6 mile mark

I don’t know the course should I just follow someone?
NO:  All athletes are required to know the entire course prior to stepping onto the starting line.  Please study the race course map on this site, and maybe drive the course if you have time prior to race day.


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