Project Sebastians Rare Stair 2, photo 1 of 8
Project Sebastians Rare Stair 2, photo 2 of 8
Project Sebastians Rare Stair 2, photo 3 of 8
Project Sebastians Rare Stair 2, photo 4 of 8
Project Sebastians Rare Stair 2, photo 5 of 8
Project Sebastians Rare Stair 2, photo 6 of 8
Project Sebastians Rare Stair 2, photo 7 of 8
Project Sebastians Rare Stair 2, photo 8 of 8
Registration open

Project Sebastians Rare Stair 2

Santa Clarita, California
Entry
$20
Days to go
4

At a glance

Date
Oct 10, 2026
Location
Santa Clarita, California
Registration
Registration open until Oct 10, 2026, via runsignup.com
Official site
runsignup.com
Listed from
RunSignUp
Last checked
Oct 5, 2026

Plan this race for free

Aid stations, cutoffs and pacing in one plan, with the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.

Build my plan

About this race

Well, here we go again! Another Great idea to continue to advocate for rare families. We are putting on another event! The "Rare Stair Challenge 2" at Central Park in Santa Clarita. Start time is 8 am! Come out and see how many flights of stairs you can do to raise awareness for rare diseases! Registration is just $20!

You can donate or pledge at the event, too!

  Location: Central Park, Santa Clarita

  Start Time: 8:00 AM

  Entry Fee: $20

Whether you take on one flight or challenge yourself to climb higher, every step makes a difference. Let’s come together as a community, have some fun, and support a heartfelt cause!

 Get a sponsor to make even more of a difference!

 Spread the word, bring your friends, and let’s make it an event to remember!

Key dates

Registration opens

Jul 7, 2026

Registration closes

Oct 10, 2026

4d

Race day

Oct 10, 2026

4d

Standard ends

Oct 10, 2026

4d

Pricing

Current price

$20

Standard

Ends

Oct 10, 2026

Email me updates about Project Sebastians Rare Stair 2

Registration openings and major changes, like a new date or a cancellation.

Entry transfers

Can't race, or need an entry? Post it here so nobody has to ask if it's still available.

Similar races

  • No Name Trail Races

    Oct 24Agoura, CA50K, Half Marathon +1

    21 mi from Project Sebastians Rare Stair 2, 2 weeks after Project Sebastians Rare Stair 2, registration open

  • SPACEROCK Trail Race

    Oct 17Agua Dulce, CAHalf Marathon, 15K +2

    14 mi from Project Sebastians Rare Stair 2, 1 week after Project Sebastians Rare Stair 2, registration open

Straight-line distance

All races in California
All races near Los Angeles
Race planning

Plan Project Sebastians Rare Stair 2 with Crewable

Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.

Build my plan

Are you the race director for Project Sebastians Rare Stair 2?

Claim this race to manage registration, volunteers, and race day.

Claim your race