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Half Marathon Plan

18-Week Training Plan · Race Day: 4 Oct 2026

Sub 1:30
Half Marathon

18
Weeks
1:32
PB
1:55
Recent
215lb
Current
42
Age
Tuesday Eve
Social 10k · 6:00/km · locked
Saturday AM
Long Run · quality session · locked
Sunday AM
Social 5k · slow recovery · locked
Mon / Wed / Fri
Training sessions · flexible timing
The Plan
Built around your three locked commitments · 4 phases · sub-1:30 by 4 October
Gradual On-Ramp (Wks 1–6)

Wks 1–4: 3 runs only (Tue/Sat/Sun) · gym introduced gradually from week 2
Wk 5: Monday easy run added → 4 runs/week
Wk 6: Wednesday easy run added → 5 runs/week
Wk 7: Friday shakeout added + first tempo → full structure

The full week template (from Wk 7+):
Mon Quality run + Strength · Tue Social 10k 🔒 · Wed Easy + Strength · Thu Rest · Fri Shakeout · Sat Long run 🔒 · Sun Social 5k 🔒

Why This Works

Your hardest session (long run) is Saturday. Sunday's slow 5k is active recovery — ideal timing. Tuesday's social 10k at 6:00/km (~9:40/mile) is comfortably in easy territory, so it builds volume without taxing your system. Monday becomes your quality session day — tempo or intervals — when you're freshest from Sunday's light effort. Thursday is always full rest before Friday's short shakeout and Saturday's big effort.

The Numbers

Sub-1:30 = 6:51/mile (4:15/km) average. Your social 10k pace of 6:00/km is very comfortable — well slower than race pace, which is exactly right for social running. The plan peaks at ~38–40 miles/week in weeks 14–15. You'll hit 13 miles in training by week 14. Weight target: ~197–200lb by race day (1lb/week loss).

Recovery Logic

Every 4th week is a recovery week (Wks 4, 8, 12, 16) — volume drops ~35%, intensity stays. This is when your body actually adapts. The pattern is: build, build, build, recover, repeat. Don't skip recovery weeks and don't add extra sessions in them. At 42, recovery is as important as the training itself.

Training Phases
Four distinct blocks with clear purpose
01
Base
Weeks 1–5 · Jun 1 – Jul 6

Rebuild aerobic foundation. All easy effort. Introduce strength work. No pace pressure — just consistent movement and habit building.

02
Build
Weeks 6–11 · Jul 7 – Aug 17

Add tempo runs and intervals on Mondays. Long runs extend to 12 miles. Volume climbs steadily. Weight loss accelerating here.

03
Peak
Weeks 12–16 · Aug 18 – Sep 21

Highest volume. Race-pace miles in long runs. Sharpest quality sessions. This is where sub-1:30 fitness is built. Hard but purposeful.

04
Taper
Weeks 17–18 · Sep 22 – Oct 4

Volume drops 40–50%. Legs freshen. Trust the training. Focus on sleep, nutrition, and race preparation. You've done the work.

Weekly Schedule
Click any week to expand · 🔒 = fixed commitment · Recovery weeks: 4, 8, 12, 16
Daily Plan
Hour-by-hour breakdown · Select a phase to see the typical daily structure
Pacing Guide
Sub-1:30 = 6:51/mile · 4:15/km average race pace
Goal Race Pace
6:51
per mile · 4:15/km
Controlled and strong, not desperate. Hard to speak in sentences but single words possible. This pace should feel familiar by race day.
Tempo / Threshold
7:05
per mile · 4:24/km
Comfortably hard. Monday quality sessions. Raises your lactate threshold — the single most important quality adaptation for a half marathon.
Interval Pace
6:25
per mile · 3:59/km
800m–1200m repeats. Hard but controlled. Equal rest between reps. Builds VO2max. Phase 2 and 3 only.
Easy / Recovery
8:45
per mile · 5:26/km
Fully conversational. Applies to Wed, Fri, and your social runs. Should feel almost embarrassingly slow. This is where aerobic adaptation happens.
Long Run
9:00
per mile · 5:35/km
Saturday morning target. Builds endurance, not speed. Slower than easy. Never race your long run — the goal is time on feet.
Social Runs
6:00
per km · 9:40/mile
Your Tue 10k and Sun 5k. Comfortably below easy pace — perfect for social running. Counts as gentle aerobic volume with zero recovery cost.
🏁 Race Day Strategy — The 3 Segments
Miles 1–4: Run 7:00/mi. You'll want to go faster. Don't. The crowd energy will trick you.
Miles 5–10: Settle at 6:51/mi. This should feel hard but sustainable — cruise control.
Miles 11–13.1: If you've been disciplined, this is your reward. Give everything.

Every 30 seconds too fast in miles 1–3 costs 60–90 seconds in miles 10–13. This is the most common race mistake.
Strength Training
Monday + Wednesday PM · 40–45 mins · Runner-specific · Drops to 1x/week in peak phase
The Schedule Logic
Strength sessions sit on Monday PM (after your quality run) and Wednesday PM (after your easy run). This keeps Thursday free for full rest, protects Friday as a light shakeout, and means you're never doing strength the day before your Saturday long run. In peak phase (Wks 12–16), drop to Wednesday only.
Session A — Power & Glutes
Monday PM · Phase progression below
Barbell Hip Thrust3×10
Bulgarian Split Squat3×8 each
Romanian Deadlift3×10
Single-leg Calf Raises (weighted)3×15 each
Copenhagen Adductor Hold3×20s each
Plank Variations3×45s
Session B — Stability & Core
Wednesday PM · After easy run
Single-leg Box Step-up (weighted)3×10 each
Lateral Band Walk3×15 each
Nordic Hamstring Curl3×6
Dead Bug3×10 each
Bird Dog3×12 each
Standing Hip Abduction (cable/band)3×15 each
Daily Mobility (10 min AM)
Every morning before anything else · Non-negotiable at 42
Hip Flexor Stretch (90/90)2 min each
Glute/Piriformis Stretch90s each
Calf & Achilles Stretch90s each
Thoracic Rotation10 each side
Ankle Circles & Toe Raises2×20
Dynamic Leg Swings2×15 each
Phase Progression
Load increases as running fitness builds
Phase 1 (Wks 1–5) Foundation2×12 light
Phase 2 (Wks 6–11) Hypertrophy3×10 moderate
Phase 3 (Wks 12–16) Strength3×6–8 heavy
Phase 4 (Wks 17–18) Maintain1×10 light
Peak phase: Session A only (Mon)Wks 12–16
The Nutrition Strategy
Batch cook Sunday · microwave at the office Mon–Fri · air fryer + toaster at home
2,200
Rest / Easy Days
Thu · Sun
2,500
Moderate Training
Mon · Tue · Wed · Fri
2,800
Long Run Days
Saturday only
Daily Macros — Moderate Training Day (2,500 cal)
Carbohydrates · 50%~310g
Protein · 30%~185g minimum
Fat · 20%~55g

185g protein is the non-negotiable floor — hit it every day including rest days. This is what keeps muscle while dropping fat.

The System

Sunday (1.5–2 hrs): Batch cook all proteins, carbs and veg for the week. Portion into 5 containers.

Mon–Fri: Grab container. Microwave at office. No decisions, no effort.

Saturday: Long run day — more care around breakfast and post-run meal. Air fryer does the heavy lifting.

Portable Meals

Every lunch is designed to travel in a container and reheat in 2–3 mins in an office microwave. Breakfast options are either overnight oats (grab from fridge) or 3-minute jobs. You're never more than 3 minutes from a proper high-protein meal.

Weight Loss Maths

At 2,500 cal on training days vs an estimated TDEE of ~2,900–3,000 cal at your size and activity level, you're in a ~400–500 cal daily deficit — ~0.8–1lb/week of fat loss. Fast enough to lose 15–18lb by race day, slow enough to keep muscle and training quality high.

Equipment Used

Air fryer: Chicken, salmon, potatoes, veg — Sunday batch cook workhorse.

Microwave: Rice, oats, reheating batch meals at the office.

Toaster: Quick breakfast — wholegrain toast, English muffins.

🔑 The One Rule That Overrides Everything
Hit 185g protein every single day. If you do nothing else right — wrong calories, wrong meal timing, imperfect food choices — but you consistently hit 185g protein, you will still lose fat, keep muscle, and recover from training. Everything else is secondary.
7-Day Meal Plan
Select a day · All lunches are batch-cooked Sunday and microwaved at the office
Sunday Batch Cook
1.5–2 hours · Feeds you Mon–Fri · Air fryer + microwave only
📦 What You're Producing
By the end of Sunday you'll have: 5 portioned lunches ready to grab and microwave, cooked protein for dinners and breakfasts, batch rice, roasted veg, and overnight oats prepped for Monday and Tuesday morning.
01
Air Fryer Chicken Batch
⏱ 25 MIN · AIR FRYER · 200°C
Season 1.2–1.5kg chicken breasts with olive oil, salt, pepper, paprika, garlic powder. Cook in batches at 200°C for 18–20 min. Slice and portion into containers once cooled.

Yields: 5 lunch portions of ~200g cooked chicken (~44g protein each). This is the backbone of the whole week.
02
Big Rice Cook
⏱ 15 MIN · MICROWAVE
Cook 600g dry basmati rice in the microwave or use 5× microwavable rice pouches. Portion ~150g cooked rice per container.

Yields: 5 lunch portions (~45g carbs each). Microwavable pouches are a perfectly valid shortcut.
03
Roasted Veg Tray
⏱ 20 MIN · AIR FRYER · 190°C
Chop 2 courgettes, 2 peppers, 1 red onion, 200g cherry tomatoes. Toss in olive oil, salt, mixed herbs. Air fry 190°C for 18–20 min, shaking halfway.

Yields: Veg for all 5 lunch containers. Keeps 5 days in fridge.
04
Assemble 5 Lunch Containers
⏱ 10 MIN · NO COOK
Into each of 5 containers: 200g sliced chicken + 150g rice + roasted veg + drizzle of soy sauce or hot sauce. Label Mon–Fri. Stack in fridge. Done.

Each container: ~550 cal · 48g protein · 55g carbs. Reheat 2.5 min, stir, 30 more seconds.
05
Overnight Oats (Mon + Tue)
⏱ 5 MIN · NO COOK · FRIDGE OVERNIGHT
In 2 jars: 80g rolled oats + 250ml milk + 1 scoop protein powder + 1 tbsp chia seeds + 1 tbsp honey. Stir, seal, fridge. Monday and Tuesday mornings: grab jar, top with banana and berries. ~520 cal · 40g protein.
06
Hard-Boil a Batch of Eggs
⏱ 12 MIN
Boil 8–10 eggs. Store unpeeled in fridge up to 7 days. Use for: quick protein snack (2 eggs = 12g protein), adding to salads, grab-and-go when you need something fast.
07
Optional: Air Fryer Salmon (Wed/Thu dinner)
⏱ 12 MIN · AIR FRYER · 180°C
Season 2 salmon fillets with lemon, olive oil, salt. Air fry 180°C for 10–12 min. Reheat gently in microwave (60% power, 90 sec) with rice pouch and frozen veg. 5 minutes total. Omega-3 rich — essential for recovery.
08
Stock the Snack Shelf
⏱ 5 MIN · NO COOK
Portion: Greek yoghurt pots (×5), mixed nuts (30g portions ×5), protein bars (×3 emergency stock). Keep a banana and bag of nuts in your car/bag at all times. Emergency protocol for when plans fall apart.
⏱ Total Sunday Time: ~90 Minutes
Active cooking: ~45 min (air fryer runs itself while you do other things) · Hands-on prep: ~30 min · Oats + eggs: ~15 min. Podcast on. Done by 1pm.
Snacks & On The Go
Portable options for busy days · Always keep 2–3 of these on you
🚗 The Golden Rule
Never leave the house without a protein source and a carb source. Even if lunch falls apart, a Greek yoghurt + banana in your bag means you stay on track. Carry the snacks. Always.
Greek Yoghurt (0% fat)
170 cal17g protein
200g pot. Most protein-dense food per calorie that exists. Add a banana for carbs. Keeps in office fridge all day.
Cottage Cheese + Rice Cakes
220 cal22g protein
150g cottage cheese + 4 rice cakes. Brilliant once you get used to it. Crackers travel well.
2 Hard-Boiled Eggs
140 cal12g protein
From Sunday batch. Keep unpeeled in bag or office fridge. Salt and pepper in a tiny bag. Takes 30 seconds to eat.
Tuna Sachet + Crackers
200 cal24g protein
Peel-top sachet (no opener needed). Eat on crackers. No fridge needed. 24g protein from something that fits in a drawer.
Quality Protein Bar
200 cal20g protein
Emergency backup only — not a daily habit. Grenade, PhD Smart Bar, MyProtein Layered. 20g+ protein, under 10g sugar.
30g Nuts + Banana
310 cal8g protein
Good car snack or pre-run fuel. Pre-portion nuts into small bags on Sunday.
Protein Shake
150 cal25g protein
Shaker in bag, scoop of powder, add water anywhere. Use when behind on protein. Casein at night. Whey post-run.
Babybel + Oatcakes
200 cal10g protein
2 Babybel + oatcakes. No fridge needed for a few hours. Good afternoon snack when lunch was light.
🆘 Emergency Fallback Meals — Under 5 Minutes
Microwave scrambled eggs: 3 eggs + splash of milk in a mug. Microwave 90 sec, stir, 60 sec. 22g protein in 3 mins.

Toaster + protein: 2 slices wholegrain toast + 2 tbsp peanut butter + banana = 20g protein, 4 mins.

Supermarket run: Cooked chicken slices + microwavable rice pouch + Greek yoghurt = 55g+ protein anywhere with a microwave.

Meal deal hack: High-protein sandwich (chicken/tuna/egg) + yoghurt + banana. Skip the crisps, add the yoghurt.
Weekly Shopping List
Everything for one week · Buy Sunday morning, batch cook Sunday afternoon
🥩 Protein
  • Chicken breasts × 1.5kg
  • Eggs × 12–15
  • Salmon fillets × 2–3
  • Greek yoghurt 0% fat × 6 pots
  • Cottage cheese × 500g tub
  • Tuna sachets × 4–5
  • Turkey mince × 500g
  • Protein powder — top up if needed
🌾 Carbs
  • Rolled oats × 1kg bag
  • Microwavable rice pouches × 6–8
  • Wholegrain bread × 1 loaf
  • Sweet potatoes × 4–5
  • Bananas × 7+
  • Rice cakes × 1 pack
  • Oatcakes × 1 pack
  • Pasta × 500g
🥦 Veg & Fruit
  • Courgettes × 2–3
  • Mixed peppers × 4
  • Red onions × 2
  • Cherry tomatoes × 400g
  • Baby spinach × large bag
  • Frozen mixed veg × 1kg
  • Frozen peas × 500g
  • Berries (fresh or frozen) × 300g
  • Avocado × 2–3
🧴 Fats & Dairy
  • Olive oil — top up
  • Peanut butter (natural) × jar
  • Mixed nuts × 200g
  • Milk or oat milk × 1L
  • Cheddar or feta × small block
  • Chia seeds × bag
🧂 Store Cupboard
  • Paprika · garlic powder · mixed herbs
  • Low-sodium soy sauce
  • Hot sauce (Sriracha)
  • Honey × jar
  • Tinned chopped tomatoes × 2
  • Chicken stock cubes
  • Protein bars × 3–4 emergency stock
💊 Supplements
  • Creatine monohydrate (5g/day)
  • Vitamin D3 (2000–4000 IU)
  • Magnesium glycinate (300mg)
  • Omega-3 fish oil (2–3g)
  • Electrolyte tabs/powder
  • Energy gels × 6–8 for long runs
Race Week Nutrition
Sep 28 – Oct 4 · No calorie deficit · Carb load Thu–Sat · Nothing new
⚠️ The Cardinal Rule of Race Week
Do not try anything new. Not a new food, not a new gel, not a new restaurant. Stick to every food you've eaten throughout training. The carb load is the only change.
Mon–Wed · Normal
Business As Usual

Eat exactly as through training. No calorie deficit this week — eat at maintenance (~2,800 cal). High protein. 3–4L water daily.

Thu–Fri · Carb Load
~400g Carbs Per Day

White rice, pasta, white bread, bananas, honey. Reduce fibre. You'll feel slightly bloated — this is glycogen and water. It's correct. Protein stays at 185g.

Saturday · Race Eve
Familiar + Simple

Pasta + chicken + small olive oil for dinner. Eat by 7pm. No alcohol. No new foods. In bed by 10pm. Sip electrolytes all day.

Sunday · Race Morning
The Breakfast You've Practised

2.5–3 hours before: Oats + banana + honey + electrolyte drink. The exact breakfast from every Saturday long run — practised 17 times. Trust it.

10 min before start: 1 gel + sip of water.

During the Race
Gel Strategy

Gel at mile 4–5 and mile 8–9. Drink water at every station — don't skip any. Never use a gel on race day you haven't trained with.

Post Race
Recovery Meal

Within 30 min: banana + protein shake or chocolate milk.

Within 2 hours: whatever you want. You've run a sub-1:30 half marathon. You've earned it. Just get protein and carbs in first.

Key Principles
The non-negotiables that determine whether this plan works
🔒 Respect Your Fixed Commitments
Your social runs are a feature, not a bug. The Tuesday 10k at 6:00/km and Sunday 5k are perfectly placed in the training week — they add aerobic volume at genuinely easy effort and give you community and consistency. Never skip them to do "extra training." The plan is built assuming they happen every week.
🎯 Easy Days MUST Be Easy
Your easy pace is ~8:45–9:00/mile. Your social 10k at 6:00/km (9:40/mile) is actually easier than your prescribed easy pace — perfect. Wednesday and Friday runs should feel the same way: almost embarrassingly slow. If you're running easy runs at 8:00/mile, you're burning matches you need for Monday's quality session and Saturday's long run.
😴 Sleep Is Your #1 Recovery Tool
At 42, growth hormone and testosterone peak during deep sleep. 8 hours is a training session. Protect it fiercely. Chronic under-sleeping (under 7 hours) increases injury risk by 60%, raises cortisol (which drives fat storage and muscle breakdown), and tanks performance. Saturday long run adaptation happens Saturday night — so the post-run meal and sleep are as important as the run itself.
⚖️ The Weight Advantage
Every 1lb lost = ~2 seconds saved per mile, for free, with zero fitness improvement. Losing 18lb (215 → 197lb) over 18 weeks is worth approximately 36 seconds/mile, or 8 minutes over the half marathon. Combined with the genuine fitness gains from this plan, sub-1:30 is very achievable. Don't crash diet — 1lb/week preserves muscle and keeps training quality high.
🦵 Injury Prevention = Priority #1
Missing one week through injury costs 2–3 weeks of fitness to recover. The daily 10-min mobility routine is non-negotiable. Never skip Thursday rest. Don't increase weekly mileage more than 10% per week. If something sharp appears in a joint or tendon, take a day off immediately. IT band, Achilles, and plantar fasciitis are the common ones — address tightness before it becomes injury.
📈 The Metronomic Mindset
There will be weeks that feel terrible. Runs where nothing clicks. Times where you're sure the plan isn't working. This is entirely normal and part of the process. Training adaptation is cumulative and largely invisible week-to-week. You will feel like a different runner in week 16 compared to week 2. Boring consistency beats heroic one-off efforts every single time.

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