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Training plans that actually fit your week.

Endura builds a periodised plan, designed by a coach and calibrated to your race, your hours, and your current fitness.

Drafted by AI. Grounded in coaching principles. Adjusts when life moves.

Build my plan — freeSee an example plan

Free during beta · No credit card · Cancel anytime

See a real plan

Pick a distance and scroll through a real plan — phase progression, full week, full session detail. Drafted by AI from a coach-designed system.

16-week progression

Base· 4w
Build· 6w
Peak· 3w
Taper· 3w
Week 116 weeks totalRace day

Week 10 · final week of build phase

mon

Rest day

tue

Swim — 6×200 @ CSS

60 min · swim

wed

Bike — 3×10min @ 88-92% FTP

70 min · bike

thu

Run — 4×6min tempo off the bike

50 min · run

fri

Strength + mobility

30 min · strength

sat

Brick: 2h bike Z2 + 30min run @ HMP

165 min · brick

sun

Open-water-style continuous swim

50 min · swim

Inside one session

brick

Brick: 2h bike Z2 + 30min run @ HMP

165 min · long

Workout

Bike: 2h continuous, mostly Z2 with 4×3min @ 70.3-pace effort scattered through the second hour. Practice race-day nutrition (60-90g carbs/hr, 500ml fluid/hr). Quick T2 (under 3min): rack bike, swap shoes, drink, go. Run: 30min off the bike at 70.3 race pace (slightly slower than open-HM pace). First mile will feel awful — settle in by mile 2. Last 5min strong if legs allow.

Why this matters

The single most important session of the week. Race day is won or lost on how well you can run after biking 90km — this teaches your legs that transition.

How it's different from a generic AI plan

Periodisation, not just sessions.

A weekly plan is easy. The hard part is sequencing the whole arc — base, build, peak, taper — so you arrive at race day fit, not fried. Endura plans every week in the context of every other week: volume progressions, recovery weeks, tapers, and race-pace specificity all calculated against your race date.

Designed by a coach. Drafted by AI.

Endura's planning logic follows the work of Joe Friel (triathlon), Jack Daniels (running pace zones), Pete Pfitzinger (marathon), and Jason Koop (ultra) — the same frameworks human coaches use. We're not asking GPT to “make a training plan.” We're encoding decades of sports-science-backed methodology.

Adapts when life moves.

Missed a week? Got sick? Race got pushed? Regenerate from where you are, not from where the plan thought you'd be. Move sessions across days. Edit your weekly hours. The plan rebuilds itself around the change.

Two minutes to set up. Free during beta.

Build my plan — free

Built for the distance you race

Each plan respects the demands of its distance — volume, intensity mix, taper length, and race-specific work change accordingly.

Race-pace bricks, long-ride/long-run, fuel and heat.

Typical week

  • 3 swims · 3 bikes · 3 runs · 1 strength
  • Long bike (3–6h) on weekends
  • Long run (90min – 3h) on the other weekend day
  • Race-pace brick weekly through build/peak

Key workouts

  • 70.3 brick: 2h bike Z2 + 30min run @ race effort
  • Ironman long ride: 4–6h with sustained Z2 + nutrition rehearsal
  • Run-off-bike threshold reps to teach legs the transition
  • Heat acclimatisation block 4–6 weeks out

Taper

2.5 to 3 weeks · taper longest for Ironman (volume drops ~35% – 60% – 75%)

Questions you're probably asking

Is this just ChatGPT in a wrapper?
No. An endurance coach designed Endura's planning logic — the rules for periodisation, progression, hard/easy sequencing, recovery, and tapering. The AI's job is to apply that logic to your race, your hours, and your fitness, and to draft the session descriptions. The expertise is in the system the coach built; the AI executes it. That's why the plans hold up.
What if I get injured or need to skip a week?
Mark sessions as missed and regenerate. The plan rebalances forward — it doesn't try to “make up” lost work, which is how athletes get hurt.
Is this a replacement for a coach?
No, but it's the closest thing to one. A coach watches you run, knows your history, and makes judgement calls Endura can't replicate. What Endura does is take the coaching methodology built into the system and apply it to your week — at a price an athlete can actually sustain. If you can afford a coach, hire one. If you can't, this is what most athletes choose instead.
What does it cost?
Free during beta — no credit card, no usage caps. Pricing will be introduced later; plans you generate during beta won't be paywalled retroactively.
Does it integrate with the apps I already use?
Strava — connect once, and your completed activities automatically mark the matching planned session as done. No manual ticking off.
Zwift — bike sessions download as Zwift workout files (.zwo) and open directly in your Zwift library.
Calendar — every session exports as an .ics event you can drop into Apple Calendar, Google Calendar, or Outlook.
PDF — print or save any session as a clean reference for the pool deck or pre-ride.
Garmin Connect and TrainingPeaks— direct integration is in development. For now, if your Garmin syncs to Strava, Endura's Strava connection tracks your completed sessions automatically.
What if the plan is wrong for me?
Use Adjust to tell us about a change — travel for work, picking up an injury, or just a busy week. Endura adapts the affected weeks specifically rather than rebuilding the whole plan. You can also move sessions across days or regenerate from where you are if something bigger has changed. Tell us if something feels off — feedback shapes how the model is tuned.

Are you a coach?

Endura's AI drafts periodised plans you can refine, assign to your athletes, and track. Cut your plan-building time, scale your roster, and give your athletes a modern platform they'll actually enjoy using.

Learn more about Endura for coaches →

Race day is on the calendar. The plan should be too.

Two minutes to set up. A plan you can trust the moment it's done.

Build my plan — free

Free during beta · No credit card · Cancel anytime