Running Plan Review Buena Vida Run Club's 16-Week Sub-1:45 Half Marathon (4 days)
Plan at a Glance
Most plans aimed at a sub-1:45 half marathon take twelve weeks. Four extra weeks sounds like cushion. In this build, the room goes somewhere specific. The peak workout (eight one-mile repeats at 7:57 pace) gets run on seven separate Tuesdays. By race week, goal pace is the most familiar pattern in your legs, not a number you're chasing on a watch. The bet is that pattern memory across that many sessions serves race day better than a sharper final week would.
A sub-1:45 half marathon means holding 8-minute miles for just over an hour and forty minutes. The trouble most runners hit is not the pace itself. It's the duration at the pace. Many can hold 8:00 for a tempo workout in week six. Far fewer can hold it for thirteen straight miles in week sixteen. The fix is repetition. Plans that work at this level give the legs the goal-pace pattern enough times that race day feels rehearsed rather than aspirational.
This is Buena Vida's sixteen-week version, written for runners already comfortable training four days a week. It runs three full build-and-deload cycles instead of the usual two, and peaks at about forty-six miles a week across four runs. Strength work appears twice a week on the calendar. The two-week taper drops volume gradually and keeps the goal-pace session in the rotation through race week.
Below is Buena Vida's full review of the plan. We score every plan against our detailed, 31-point benchmark. Each measure is drawn from peer-reviewed sports-science research and proven coaching best practices.
Similar plans
Our Review
What sub-1:45 turns on in this sixteen-week build is rep count at race pace, not race-week sharpness. The four weeks this plan adds over the 12-week version go to a third deload-build mesocycle and to repetition of the peak goal-pace workout. That workout is 8 by 1 mile at 7:57. You'll run it on seven separate Tuesdays, through peak and into race week.
The format settles by week 9 and stays put through race week. What changes is the legs underneath, not the workout above. A 12-week build sharpens with shorter, faster reps in race week to give the legs a fresh edge. This one keeps the legs inside the goal-pace pattern instead. The bet is that pattern memory at full session volume serves race day better than acceleration work does. You enter at 26 miles a week, so this assumes you already train four days comfortably.
This plan suits the runner with the four extra weeks who'd rather pay for sub-1:45 in cumulative goal-pace volume than in a sharper taper. If you'd rather arrive at race day fresher than rehearsed, the 12-week version of this plan does that. If you'd rather arrive having run goal pace seven Tuesdays in a row, this one does.
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Structure
Does the plan build you up smartly?
Structure is the strongest thing this plan has going for it. Three full build-and-deload cycles fit inside the sixteen weeks, where a twelve-week plan would manage only two, and the named phases (Base, Sharpen, Peak, Taper, Race Week) make the arc legible from the calendar. A deload lands every fourth week to turn the prior three into fitness rather than fatigue. The long run climbs from 8 miles to 15 and steps back at each cutback, so the build never just stacks load without pause.
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Prevention
Does the plan protect you from injury?
Mostly, and the safety comes from how the load is arranged rather than from a light week. Peak volume tops out near 46 miles across four runs, every hard day has an easy or rest day beside it, and weekly jumps stay under 10 percent outside the post-deload rebounds. Strength work sits on the calendar twice a week and three deloads break up the build. The one gap: the plan leans on sleep and easy-day discipline but doesn't spell out a recovery protocol or what to do at the first sign of a niggle, so reading the body's warning signs is the part left to you.
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Flexibility
What happens when you miss a day?
Miss an easy run and the plan absorbs it without a ripple. Miss the Tuesday goal-pace session or the Saturday long and you've pulled out the rehearsal the whole build is organized around. Every workout carries a priority number, and the goal-pace session is flagged as the one to protect, so a shrinking week tells you what to keep. What you won't find is a concrete rule for slotting a lost long run back in. That decision stays with you.
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Readiness
Will the plan deliver race-day fitness?
This is a plan built to deliver the time. Goal-pace running grows from 2 miles a session in week 1 to 8 miles by week 9, then holds there for six straight weeks, so 8-minute pace arrives at the start line rehearsed instead of guessed at. The long run reaches 15 miles with 3 miles of race pace baked in about three weeks out. Threshold work stretches to 5.6 miles at its peak, and the two-week taper sheds volume while keeping the goal-pace session alive into race week.
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Variety
Are the workouts varied enough?
There's plenty here to keep the legs and the head engaged. Goal-pace intervals, threshold tempos, long runs, medium-long runs, and easy days each run on their own arc rather than repeating a fixed template. The interval reps grow from half a mile to a full mile, tempos stretch from 2.9 miles to 5.6, and continuous race-pace simulations enter once the Peak phase opens. Every one of those sessions still points at the same number, so the variety reads as purpose rather than novelty for its own sake.
Workouts
Every Buena Vida training plan comes with detailed coaching notes and live workout guidance. Tap any workout to preview the notes for that day.
Day one of a sixteen-week project. You know what you are signing up for, and you know what the work feels like before it has begun to ask anything serious of you. The opening stretch is calibration more than performance, with the easy days slow by design and the harder ones teaching the nervous system what the various efforts actually register as in the legs. The volume starts asking real questions soon enough, and these quiet first weeks are how you set yourself up to answer them well.
M Strength Training
Tu Intervals: 4x0.5mi @ ½ Marathon
2-mile warmup, then 4 by 0.5 mile at half-marathon goal pace with a 0.25-mile recovery jog between reps, then 2-mile cooldown. First harder session of the plan. The reps are at goal pace, not faster: this is check, not racing. Pay attention to how 8-minute pace feels in the body when you're rested. That sensation is the reference point you'll come back to all sixteen weeks. Repeats break hard running into pieces the body can absorb, building speed without breaking form.
W Strength Training
Th 4.9mi Tempo Run with 2.9mi @ Tempo
1-mile warmup, then 2.9 miles at lactate threshold pace, then 1-mile cooldown. First tempo of the plan. Threshold sits roughly between 10K and half-marathon effort: controlled, comfortably hard, the place where you could sustain pace for an hour but wouldn't want to. Find that ceiling and stay underneath it. Sustained efforts like this raise the pace you can hold before breathing becomes the limiter. Comfortably hard means a few words at a time, never full sentences. The session landed if the final stretch held pace without the form unraveling.
F Rest
Sa 8mi Long Run
8.0 miles, the first long run of the plan. Easy aerobic effort throughout: pace where you could hold a conversation without gasping. This sets the starting reference point. The long runs grow from here, climbing to 15 miles over the next twelve weeks. Today's job is to finish feeling like you could go further if asked. The long run starts here and climbs from 8 to 15 miles by week 13. Today sets the rhythm that climb is built on.
Su 5.5mi Medium-Long Run
5.5 miles at easy aerobic pace. First medium-long-after-long of the plan. The back-to-back is what trains the legs to find pace on tired tissue, which is what mile 11 of the race demands. Keep the pace conversational. If it feels harder than yesterday's long run, you're running it too fast.
You are at the front edge of the first build, still in the part where the body is willing and the calendar looks abstract. Nothing is taxed yet, which is precisely the point, because the foundation gets laid here, in weeks that feel almost too easy to count. Pay attention to the small signals anyway. How well you sleep, how the legs feel between sessions, whether the easy days actually stay easy. The patterns you set now are the ones that carry through the harder weeks ahead.
M Strength Training
Tu Intervals: 5x0.5mi @ ½ Marathon
2-mile warmup, then 5 by 0.5 mile at half-marathon goal pace with a 0.25-mile recovery jog, then 2-mile cooldown. One more rep than last week. The pace shouldn't change, only the volume held at it. If the last rep is sloppier than the first, you started too fast. The rest between reps is what lets the work stay sharp from first to last. Run the first rep like you plan to enjoy the last one. The set landed if the last rep matched the first in pace and shape.
W Strength Training
Th 4mi Easy Run
Easy 4 miles at conversational effort. The body doesn't get faster from hard days alone. It gets faster from hard days the body can recover from. Today is the recovery that lets the next harder session land. Run by feel, not pace. The legs will tell you the right speed.
F Rest
Sa 8.5mi Long Run
8.5 miles at easy aerobic effort. The long run keeps building. Let pace settle wherever conversation stays easy. The point isn't to run today's long run faster than last week's. It's six more minutes spent running.
Su 6mi Medium-Long Run
6.0 miles, easy aerobic. Sunday medium-long sitting on the back of Saturday's long. Notice the legs as you start: this is the sensation of running on partial recovery. The body learns that state from repetition.
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Plan Strengths
- You'll run 8 by 1 mile at goal pace seven separate Tuesdays. That's more race-pace rep volume than a 12-week build leaves room for.
- Three full deload-build mesocycles close weeks 4 and 8 and 12. The cumulative load lands in two more cycles than a 12-week build runs.
- Race week's Tuesday repeats the same goal-pace session in a three-rep version. Race pace becomes the most familiar pattern in your legs by the start line.
- A 15-mile peak long run with 3 miles of half-marathon pace embedded rehearses the exact demand of miles 7 to 10 of the race.
- The two-week taper drops volume gradually rather than sharply. Your legs settle into race day without losing the goal-pace pattern that's been built.
Weaknesses & Gaps
- Nothing in this plan runs faster than half-marathon goal pace. If your sub-1:45 limit sits in leg speed rather than the aerobic ceiling, a session at 5K effort would do more than what's here.
- When a session falls off the calendar, the plan gives no concrete rule for catching up. You'll decide what to drop and what to keep on your own.
- Holding 8 by 1 mile across seven Tuesdays asks for repetition tolerance. Some runners need a sharper variant to stay engaged. If that's you, the 12-week version's tune-up finish may suit better.
What's missing
Nothing in this plan runs faster than half-marathon goal pace, so if your ceiling sits in raw leg speed rather than aerobic endurance, you'll want to add a 5K-effort session every other week in the first month. A short 4 by 400 at faster than goal pace, run on a Thursday before the easy day, fits without disturbing the Tuesday goal-pace work. No tune-up race appears on the calendar either, and none is required; the evidence doesn't tie mid-build racing to better race-day outcomes, and the Tuesday goal-pace work reads whether 8:00 is honest week after week. The plan also stays quiet on what to do when a session slips, so decide in advance which run you protect and which you let go. And if running the same eight-mile Tuesday repeat for seven weeks straight starts to feel like a grind, the twelve-week version of this plan rotates more variety in.
What the science supports
Race-pace specificity hinges on physiology
The plan's signature is eight 1-mile repeats at goal pace (7:57 per mile) run on Tuesday starting in week nine and continuing through race week, a total of seven separate sessions. For a sub-1:45 half-marathon goal, that pace sits at the edge where your body's lactate threshold meets the demands of the race itself. Running goal pace repeatedly teaches your nervous system to hold it without strain, and the threshold-level effort builds the ceiling that lets you sustain it for thirteen straight miles.
Pierce et al. 1990; Hewson & Hopkins 1996; Jones et al. 2021
Periodization beats constant-load training
The plan divides into five distinct phases: a three-week base, six weeks of building structured around repeats, then a peak week, two-week taper, and race week. Within the longer build span, three full mesocycles create a rhythm of hard training followed by recovery blocks. Each mesocycle delivers new stimulus while allowing the body to consolidate the previous block before building further. The structure matches what elite distance runners use.
Bradbury et al. 2020; Tønnessen et al. 2014; Casado et al. 2022
Higher chronic load is protective
The plan opens at the recommended 26 miles per week and climbs to a peak of approximately 46 miles in week thirteen. The build stays under 10% weekly increase except during deload weeks. Three recovery weeks cut volume by roughly 30%, giving tissue and central nervous system the margin to absorb what came before. That climb from 26 to 46 miles, built gradually over sixteen weeks, primes your injury-resistance more than constant low volume would.
Keep easy days easy, hard days hard
The week's shape is deliberate. Tuesday and Thursday carry the harder sessions: intervals, tempos, or goal-pace work. Monday, Wednesday, and the weekend runs sit at conversational aerobic effort. Easy runs truly run easy; hard days deliver the focused stimulus. This separation lets the body absorb hard sessions properly rather than running everything at moderate effort. Most runners who plateau do so because they blur that line.
Stöggl & Sperlich 2014; Casado et al. 2022; Kenneally et al. 2017
Tapering improves race performance by 2-6%
The taper spans two weeks. Week fourteen holds a full goal-pace session and tempo run; week fifteen drops to three 1-mile repeats and a two-mile tempo. Saturday long runs shift from 15 miles to 12 to 10. The volume falls gradually (neither a sharp cliff nor a maintenance hold) while the hard efforts remain on the calendar to keep the legs sharp. Fitness is built; these two weeks let it surface without adding new fatigue.
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