Running Plan Review Advanced Marathoning 12-Week, 70 to 85 mi/wk

By Advanced Marathoning (2nd ed.) — Pete Pfitzinger and Scott Douglas Requires purchase Visit plan website

Plan at a Glance

7
Workouts / week
85%
15%
Easy / Hard
Miles
26.2
Longest Run
Advanced
Audience
7 11
Hours / week
51 79
Miles / week

Pete Pfitzinger ran two U.S. Olympic marathons in the 1980s and then spent the next thirty years studying what actually makes marathoners faster. The book he co-wrote with Scott Douglas, "Advanced Marathoning," is one of the most quantitatively detailed training manuals in print. This is the 12-week, 70-to-85 mile version of that program, condensed from the book's full 18-week build.

A marathon at this volume is less about any single peak workout and more about how a body absorbs months of accumulating load. Plans at this level put medium-long runs midweek and rotate in lactate threshold work, meaning sustained efforts at the pace a runner can hold for about an hour. Marathon-pace miles get stitched inside the long run. The hardest part isn't running any one session. It's stringing them together while still recovering enough to do the next one.

This is the most compressed of the Pfitzinger marathon plans, built for runners already holding 60-plus miles a week between cycles. It runs seven days a week, with doubles (a morning run plus a shorter evening run) on most recovery days. Volume peaks at 87 miles in week 7 alongside a 22-mile long run. The book is required reading. The schedule names workouts but leaves their definitions in the chapters.

What follows is our full review of the plan. Buena Vida grades every plan on the same detailed, 31-point benchmark. Each measure comes from peer-reviewed sports-science research and proven coaching best practices.

Workouts

Workout names and distances only. Coaching prose belongs to the plan’s author.

    M Recovery 6 mi (10 km)
    Tu General aerobic + speed 8 mi (13 km) w/ 10 × 100 m strides7.9 mi
    W Medium-long run 12 mi (19 km)
    Th Recovery 6 mi (10 km)
    F Medium-long run 11 mi (18 km)
    Sa Recovery 6 mi (10 km)
    Su Marathon-pace run 17 mi (27 km) w/ 8 mi (13 km) @ marathon race pace

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Our Review

Rank B Workable with some limits

You're stepping into the most compressed plan Pfitzinger and Douglas wrote, not easing into it. You'll run all seven days across twelve weeks at 70 to 85 miles, with short evening doubles on the easy ones. Day seven of week one already asks you for 17 miles with marathon pace inside. You arrive ready for that, or you don't start here.

The week that decides this plan is week one, not any peak workout. You can read the build off the segments rather than the headline totals, and no training week climbs more than about nine percent. But you open near 66 miles with that 17-mile marathon-pace run on day 7, and you get no on-ramp before it. Hold 70-plus weekly miles coming in and you roll cleanly toward a peak of 87 in week 7 and a 22-mile long run. Come in light, and you'll be digging out from the first weekend.

Past that entry point, you get a well-built program. You meet marathon pace in every block, growing from 8 to 12 continuous miles. You taper for three full weeks and finish with a 2-mile dress rehearsal three days out. What you don't get on the page is the rest. The calendar names workout types but not paces, schedules no strength despite chapter 4 asking for two sessions a week, and leaves the cut-order rule off the grid. You'll keep the book open beside you, and the score assumes you do.

You're the right runner for this if you already hold 70-plus weekly miles between cycles and have at least two marathon finishes behind you. Rebuilding from below 60? Drop to the 18-week version and let it on-ramp you. You want a calendar that teaches itself without reaching for Advanced Marathoning? Look elsewhere. This one lists workout types and trusts you to fill in the rest.

  1. Structure

    4/5

    Does the plan build you up smartly?

    Mostly, and the arc is sharp for such a short runway. Five mesocycles fold cleanly into the 12 weeks: endurance, then threshold plus endurance, then race prep, taper, and race. A 22-mile long run peaks in week 7 and a 20-miler returns in week 9, so race distance gets rehearsed twice. Each key session is specified down to the segment with a warm-up, a working portion, and a pace tag. The one structural cost of compressing Pfitzinger's full 18-week build is recovery rhythm: a single mid-build cutback carries the whole middle, where a longer version would fit two.

  2. Prevention

    3/5

    Does the plan protect you from injury?

    Partly. The load itself is handled well: no training week climbs more than about 9 percent, hard days never sit back to back, and a week-8 cutback plus a three-week taper give the legs room to absorb the work. The recovery doubles keep easy days genuinely easy. The clear hole is strength, which sits off the calendar entirely, so you either add your own twice-weekly slot or train without it. At 80-plus miles a week, that omission is the one piece for keeping your legs injury-resistant that the schedule leaves to you.

  3. Flexibility

    2/5

    What happens when you miss a day?

    This is the plan's thin spot, and it leans hard on the book to cover it. The schedule names workout types but leaves their definitions and paces in the appendix tables, so you set your own numbers from the start. When a week unravels, nothing on the grid tells you which run to keep. The cut-order that would, ranking the long run first, then marathon-pace and threshold work, with recovery last, lives in chapter 7 of Advanced Marathoning. Without the book beside you, a disrupted week is yours to sort out alone.

  4. Readiness

    5/5

    Will the plan deliver race-day fitness?

    Race readiness is the plan's signature, and it shows everywhere. By the start line your legs will know marathon pace from three rehearsals stitched into long runs, growing from 8 to 10 to 12 miles at goal effort. Two tune-up races sharpen pacing under a clock, and 5K-pace repeats through the middle weeks hold your top end while the mileage climbs. Race week closes with a short dress rehearsal, 8 miles with 2 at marathon pace, three days out. Few plans put goal pace into the legs this thoroughly before race day.

  5. Variety

    5/5

    Are the workouts varied enough?

    The session menu is as full as marathon training gets. Eight types rotate through the build: recovery, general aerobic, medium-long, long, marathon-pace, threshold, 5K-pace repeats, and strides. The interval distances themselves vary across race prep, from 600 meters up to a mile, and even recovery days carry strides so leg speed does not fade as the weekly total pushes past 80. Every session names its working portion and a pace reference, so nothing on the calendar is vague.

Plan Strengths

  • Marathon-pace work nested inside long runs grows from 8 to 12 miles by race prep, so race-day effort already sits in your legs.
  • Two tune-up races (8K to 15K, then 8K to 10K) land in the race-prep weeks, so you've practiced fueling and pacing against a clock first.
  • A 22-mile peak arrives in week 7 and a 20-miler returns in week 9, leaving the marathon distance familiar before you toe the line.
  • The whole climb stays gentle: no training week rises more than about 9 percent, so the build never stacks risk on your legs.
  • Recovery days still carry 6 to 10 by 100-meter strides, so you keep leg speed even as weekly mileage pushes past 80.
  • Race week ends with a dress rehearsal three days out (8 miles, 2 at marathon pace), so you arrive sharp instead of stale.

Weaknesses & gaps

  • Week 1 opens near 66 miles with a 17-mile marathon-pace run on day 7. Start below a 70-mile base and you'll meet a wall, not a ramp.
  • Strength work appears nowhere on the calendar, though chapter 4 calls for two sessions a week, so you schedule and hold to it yourself.
  • Nothing on the grid tells you which session to keep when a week crowds. That cut-order list lives in chapter 7 of the book.
  • Pace prescriptions read as workout-type tags (marathon pace, 15K to half-marathon pace), so you'll set the actual splits from the appendix tables.
  • Sleep, fueling, and mobility all stay off the page, and for a runner stringing 80-mile weeks those are the variables that decide the build.
  • Only one cutback week sits inside the twelve, so a rough patch leaves little planned slack before the taper.

What this plan does not give you

Strength training never appears on the schedule, even though chapter 4 of the book asks for two sessions a week. You're on your own to build the slot, probably twice a week at light to moderate loads, kept clear of your hardest run days. Cut-order is the same story: the rule for which workout to drop when a busy week forces the choice lives in chapter 7 and never reaches the calendar. Pace prescriptions read in shorthand ("@ 15K to half marathon race pace," "@ marathon race pace"), sending you to the appendix tables every time you plan a key session. And the entry is steep. Week 1 opens near 66 miles with a 17-mile marathon-pace run on day 7. Arrive with less than 60 weekly miles in the bank and it will hurt before the plan gets interesting.

What the science supports

Race-pace specificity hinges on physiology

Marathon-pace work threads through all 12 weeks. Day 7 opens with 8 miles at goal pace inside a 17-mile run. Day 21 stretches that block to 10 miles, and week 6 peaks at 12 miles at marathon pace inside a 17-mile total. The final dress rehearsal three days before the start carries 2 miles at race pace. Repeated exposure to the exact target rhythm is what research shows transfers cleanly to race day.

Pierce et al. 1990; Hewson & Hopkins 1996; Jones et al. 2021

Tapering improves race performance by 2-6%

Peak volume reaches 87 miles in week 7. The taper then unfolds across three weeks. Volume eases to about 67 miles in week 10 and 52 in week 11, then a 36-mile training load in race week alongside the marathon itself. A 2-mile marathon-pace dress rehearsal three days out keeps the legs sharp without adding fatigue. That descending pattern matches what taper trials link to the largest race-day gains.

Tønnessen et al. 2014

Periodization beats constant-load training

The build divides into named blocks. Endurance runs through the first weeks. Threshold plus endurance follows. Race prep brings tune-up races and 5K-pace repeats. The taper closes it out. Each block introduces something new rather than mixing everything at once: marathon pace from day 1, threshold runs from week 4, short 5K-pace repeats only in the back half. That deliberate ordering is the structural feature research ties to improvement.

Bradbury et al. 2020; Tønnessen et al. 2014; Casado et al. 2022

Long runs are essential for marathon

Long runs build to 22 miles in week 7 (five weeks out) with a 20-miler returning in week 9 (three weeks out). Between those peaks the plan slots 17- and 18-milers most weekends, several with marathon-pace blocks of 8 to 12 miles inside them. That late-stage exposure to near-race distance is what the long-run literature ties to the structural and metabolic resilience needed to hold pace past mile 20.

Toresdahl et al. 2021; Jones & Kirby 2025; Casado et al. 2019

Keep easy days easy, hard days hard

Hard sessions land midweek (threshold, 5K-pace repeats, or marathon-pace) and on the weekend (long run or a marathon-pace block). Everything between is recovery or general aerobic running, often split as a 6-mile morning plus a 4-mile evening. No two hard days touch across the full 12 weeks. That spacing gives the high-stress sessions room to produce adaptation instead of piling into fatigue.

Stöggl & Sperlich 2014; Casado et al. 2022; Kenneally et al. 2017

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Frequently asked questions

Is Advanced Marathoning 12-Week, 70 to 85 mi/wk good for beginners?
No. Advanced Marathoning 12-Week, 70 to 85 mi/wk is built for advanced-level runners. A true beginner should start with a lower-mileage plan.
How many days per week does Advanced Marathoning 12-Week, 70 to 85 mi/wk require?
The plan runs on a schedule of multiple weekly runs. See the at-a-glance strip for the exact count.
Does Advanced Marathoning 12-Week, 70 to 85 mi/wk include a taper?
The plan includes a short taper. Our rubric flags the taper as a weakness; the evidence supports a 2-3 week reduction.
What is the rubric grade for Advanced Marathoning 12-Week, 70 to 85 mi/wk?
Advanced Marathoning 12-Week, 70 to 85 mi/wk grades B on the Buena Vida rubric.