16-Week Santa Clarita Marathon Training Plan

Santa Clarita, CANovember 15, 2026

Start around July 26, 2026. The calendar below gives each phase a real date, then the course guidance shows where to make the build specific to Santa Clarita Marathon.

The Santa Clarita Marathon is run almost entirely on paseos and a bike path closed to vehicle traffic, which is unusual for a road marathon and changes the character of the whole day. No streets to hold, no traffic to time around, and very few spectators. About 204 people finished the marathon in 2025.

Race day
November 15, 2026
Start window
July 26, 2026
Runway
16 weeks
Course
Mostly Flat · Multiple Loops
Plan choice
Current training

Does this window fit your starting point?

Use this window when you have a running base and want several weeks before the hardest marathon-specific work begins. The extra month over a 12-week plan creates more room for gradual long-run growth and recovery.

  • You run consistently enough that week one is a continuation, not a restart.
  • You want a distinct foundation phase before the biggest long runs.
  • You can protect your planned run days for roughly four months.
  • Your race date leaves the full window without forcing skipped weeks.

The 16-week Santa Clarita Marathon calendar

These dates define the job of each phase. Your current mileage, recent longest run, experience, goal, and available days still decide the actual workouts inside them.

Foundation

Weeks 1–4

Jul 27, 2026–Aug 23, 2026

Establish repeatable weeks, keep most running easy, and begin extending the long run without forcing the pace.

Build

Weeks 5–10

Aug 24, 2026–Oct 4, 2026

Increase the weekly load, preserve step-back weeks, and introduce the terrain and effort the race will require.

Peak

Weeks 11–13

Oct 5, 2026–Oct 25, 2026

Complete the biggest race-specific weeks and use long runs to lock in fueling, pacing, and equipment.

Taper

Weeks 14–16

Oct 26, 2026–Nov 15, 2026

Bring volume down while keeping the weekly rhythm familiar. Training is finished before race week begins.

Make the window specific to Santa Clarita Marathon.

Use the first month to establish consistency, then make long runs progressively more specific to the race's terrain and conditions. The course rehearsal should grow with the plan, not appear all at once in peak week.

Read the full race guide

How to train for Santa Clarita

Two things separate Santa Clarita from a normal road marathon: you spend it on a narrow bike path with almost nobody around, and you drink from cupless dispensers. Train for both. The physical demand is a mild rolling course. The harder preparation is running a marathon-effort long run with no crowd, no pace group and nobody within sight.

Do at least two long runs entirely solo, on a bike path or greenway, without music, at goal pace. With 204 finishers spread across two loops, you can genuinely run miles here without seeing another runner. That is fine if you have practiced it and demoralizing if you have not.

Then rehearse the fluid plan exactly as you will use it. Practice long runs with a handheld or a soft flask, refilling on the move, because that is the mechanic race day requires. And build steady rolling terrain into long runs rather than doing hill repeats, since the paseos give you constant small changes rather than any climb worth training for specifically.

Santa Clarita Marathon course facts

Course
Multiple Loops · Mostly Flat · Road/Pavement
Marathon finishers
204 in 2025 (very small field)
Boston qualifier
Certified Boston qualifying course
Finishers running a qualifying time
1.5% in 2025
Typical race morning
55°F at the start, 57% humidity, clear
Race day high / low
70°F / 49°F on average

Sources

Let your current training decide the actual plan.

Current mileage, recent longest run, marathon experience, goal, and available days determine which plans rank first. After you choose and subscribe, Stride dates every workout through November 15, 2026.

Build My Plan

16-week Santa Clarita Marathon plan questions, answered.

When should I start a 16-week Santa Clarita Marathon plan?

The 2026 Santa Clarita Marathon is scheduled for November 15, 2026, so the 16-week window opens around July 26, 2026. Treat that as the outside edge of the window, then line week one up with the plan's normal weekly rhythm.

Is a 16-week plan long enough for the Santa Clarita Marathon?

Use this window when you have a running base and want several weeks before the hardest marathon-specific work begins. The extra month over a 12-week plan creates more room for gradual long-run growth and recovery. The course does not change the opening load you can handle, so choose from your current mileage and recent longest run before adding race-specific terrain.

How should I prepare for the Santa Clarita Marathon course in 16 weeks?

Use the first month to establish consistency, then make long runs progressively more specific to the race's terrain and conditions. The course rehearsal should grow with the plan, not appear all at once in peak week. Two things separate Santa Clarita from a normal road marathon: you spend it on a narrow bike path with almost nobody around, and you drink from cupless dispensers. Train for both. The physical demand is a mild rolling course. The harder preparation is running a marathon-effort long run with no crowd, no pace group and nobody within sight.

What if the 16-week Santa Clarita Marathon window has already started?

Do not double weeks or cram missed mileage into the remaining calendar. Use your current mileage, recent longest run, experience, goal, and available days to choose a plan that can enter at an appropriate point while preserving the taper.

How big is the Santa Clarita Marathon?

Small. About 204 runners finished the marathon in 2025, with 191 in 2024 and 137 in 2023. It is a genuinely low-key race run on car-free paseos and bike path, so expect long stretches alone rather than a crowd. For a certain kind of runner that is exactly the appeal.

What is the time limit for the Santa Clarita Marathon?

Seven hours, which the race describes as about 15 minutes per mile plus. Marathon runners can also request a 6 a.m. early start in advance, an hour before the main 7 a.m. gun, though water stations are not fully operating until 6:30 so early starters should carry fluid.

Put the 16-week window against your actual race.

Each page counts back from race day, maps the 4 phases to real dates, and applies the window to that course and its typical conditions.