20-Week Mountains 2 Beach Marathon Training Plan

Ventura, CAApril 18, 2027

Start around November 29, 2026. The calendar below gives each phase a real date, then the course guidance shows where to make the build specific to Mountains 2 Beach Marathon.

Mountains 2 Beach starts at 6:10 a.m. in downtown Ojai, just over 700 feet up, and finishes on the sand near the historic Ventura Pier. Across those 26.2 miles the course loses 1,260 feet and gains 536, a net drop of 724, and 18.3% of its 2026 finishers ran Boston qualifying times.

Race day
April 18, 2027
Start window
November 29, 2026
Runway
20 weeks
Course
Downhill · Point to Point
Plan choice
Current training

Does this window fit your starting point?

Use the longer window to make the early build calmer, not to add five months of hard training. The plan should begin close to your current load, hold most running easy, and delay the biggest race-specific work until the middle of the cycle.

  • You want a longer foundation phase before marathon-specific training.
  • Your current mileage is steady but below the load you expect to carry later.
  • You prefer gradual long-run growth with regular step-back weeks.
  • You can sustain a five-month routine without turning every week into a peak week.

The 20-week Mountains 2 Beach 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 1–6

Nov 30, 2026–Jan 10, 2027

Set the routine, grow easy volume gradually, and finish each week with enough control to repeat it.

Build

Weeks 7–13

Jan 11, 2027–Feb 28, 2027

Extend the long run, introduce race-specific terrain, and keep recovery weeks on the calendar.

Peak

Weeks 14–17

Mar 1, 2027–Mar 28, 2027

Complete the most demanding race rehearsals and settle fueling, pacing, shoes, and clothing before taper begins.

Taper

Weeks 18–20

Mar 29, 2027–Apr 18, 2027

Reduce the load, keep familiar running in the week, and let the work from the previous four months show up on race day.

Make the window specific to Mountains 2 Beach Marathon.

Build general durability first. Add the race's hills, flat sustained running, downhill exposure, heat, or humidity in layers after the weekly rhythm is stable, then make the final long runs the most course-specific.

Read the full race guide

How to train for Mountains 2 Beach

Train for Mountains 2 Beach by building eccentric quad durability, not only aerobic fitness. A 724 foot net drop means thousands of footstrikes land with your quads working as brakes, and that damage accumulates quietly through the middle miles. Runners who arrive fit but downhill-untrained lose the race around mile 19.

Start downhill work about twelve weeks out and build it slowly, because it is the one stimulus that leaves people sore for days. Begin with two or three miles of moderate descent inside a long run at goal effort and work toward eight or ten. Short quick steps, and no leaning back.

Train the opposite thing too. There are 536 feet of climbing here and a 6.4 mile cutoff at 8:05 a.m. that assumes you can move well through the opening loop, so keep hill work in the plan. A pure downhill specialist gets caught out in the first hour.

Rehearse the 6:10 a.m. start as well. That means a 3:30 or 4:00 a.m. breakfast, so do it for real on at least two long runs instead of discovering your stomach's opinion on race day.

Mountains 2 Beach Marathon course facts

Course
Point to Point · Downhill · Road/Pavement
Elevation gain / loss
536 ft gain, 1,260 ft loss
Net elevation drop
About 724 ft lower at the finish than the start
Highest / lowest point
941 ft / 8 ft
Marathon finishers
2,060 in 2026 (mid-size field)
Boston qualifier
Certified Boston qualifying course
Finishers running a qualifying time
18.3% in 2026
Typical race morning
55°F at the start, 87% humidity, overcast
Race day high / low
68°F / 52°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 April 18, 2027.

Build My Plan

20-week Mountains 2 Beach Marathon plan questions, answered.

When should I start a 20-week Mountains 2 Beach Marathon plan?

The 2027 Mountains 2 Beach Marathon is scheduled for April 18, 2027, so the 20-week window opens around November 29, 2026. Treat that as the outside edge of the window, then line week one up with the plan's normal weekly rhythm.

Is a 20-week plan long enough for the Mountains 2 Beach Marathon?

Use the longer window to make the early build calmer, not to add five months of hard training. The plan should begin close to your current load, hold most running easy, and delay the biggest race-specific work until the middle of the cycle. 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 Mountains 2 Beach Marathon course in 20 weeks?

Build general durability first. Add the race's hills, flat sustained running, downhill exposure, heat, or humidity in layers after the weekly rhythm is stable, then make the final long runs the most course-specific. Train for Mountains 2 Beach by building eccentric quad durability, not only aerobic fitness. A 724 foot net drop means thousands of footstrikes land with your quads working as brakes, and that damage accumulates quietly through the middle miles. Runners who arrive fit but downhill-untrained lose the race around mile 19.

What if the 20-week Mountains 2 Beach 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 much does Mountains 2 Beach drop?

Mountains 2 Beach loses 1,260 feet and gains 536 across 26.2 miles, for a net drop of 724 feet. It starts just over 700 feet up in downtown Ojai and finishes at sea level in Ventura, and the race describes the route as descending to sea level over roughly 22 miles.

Is Mountains 2 Beach a good Boston qualifier?

Yes, one of the better ones. 18.3% of finishers ran Boston qualifying times in 2026, 21.6% in 2025 and 24.8% in 2024, on a USATF certified course. The catch is that the downhill only helps runners who trained for it. Untrained quads hand the advantage straight back after mile 18.

Put the 20-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.