16-Week St. George Marathon Training Plan

St. George, UTOctober 3, 2026

Start around June 13, 2026. The calendar below gives each phase a real date, then the course guidance shows where to make the build specific to St. George Marathon.

St. George is one of America’s great point-to-point downhill marathons: buses carry you up into the high desert north of town before dawn, and the course drops roughly 2,500 feet back down to the finish through some of the most dramatic red-rock scenery in Utah.

Race day
October 3, 2026
Start window
June 13, 2026
Runway
16 weeks
Course
a 2,500-foot ride down the desert
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 St. George 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

Jun 14, 2026–Jul 11, 2026

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

Build

Weeks 5–10

Jul 12, 2026–Aug 22, 2026

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

Peak

Weeks 11–13

Aug 23, 2026–Sep 12, 2026

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

Taper

Weeks 14–16

Sep 13, 2026–Oct 3, 2026

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

Make the window specific to St. George 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 downhill

Eccentric strength is the whole game. If your buildup includes regular downhill running, meaning long-run segments on sustained descents and not just rolling terrain, your quads adapt and the course becomes the gift it promises to be. If it doesn’t, the wheels tend to come off around mile 20 no matter how fit you are.

Stride’s plans keep your weekly structure honest (long runs, recovery, step-back weeks) while you point the long-run terrain at what St. George demands. Pair that with practicing your fueling on tired downhill legs and you arrive ready.

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 October 3, 2026.

Build My Plan

16-week St. George Marathon plan questions, answered.

When should I start a 16-week St. George Marathon plan?

The 2026 St. George Marathon is scheduled for October 3, 2026, so the 16-week window opens around June 13, 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 St. George 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 St. George 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. Eccentric strength is the whole game. If your buildup includes regular downhill running, meaning long-run segments on sustained descents and not just rolling terrain, your quads adapt and the course becomes the gift it promises to be. If it doesn’t, the wheels tend to come off around mile 20 no matter how fit you are.

What if the 16-week St. George 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 long do I need to train for the St. George Marathon?

Most Stride plans run 12 to 20 weeks. St. George adds one wrinkle: your long runs should include real downhill running so your quads are ready for 2,500 feet of descent. Stride matches you to a plan, and every week is mapped from today to race day.

Is a downhill marathon easier?

It's faster, not easier. Downhill running loads your quads eccentrically, and 26 miles of it destroys unprepared legs, usually right around mile 20. Runners who train descents regularly get the speed without the collapse.

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.