AI Coaching Apps

Runna

Coach-written running plans from 5K to ultramarathon whose pace targets adjust to completed runs, pushed to Garmin, COROS and Apple Watch.

Ranked #14 of 19 with an overall score of 2.9/5 (7 of 7 dimensions scored). Visit Runna. Entry last reviewed 2026-10-13.

Running, Strength AI level: Rule-based adaptive Adaptive plan human coach in the loop USD 19.99/mo · USD 119.99/yr pushes workouts to 4 devices

Runna generates running plans from 5K to 50 km, plus strength and mobility sessions, from an estimated current race time, experience and available days. Pace targets adjust after repeated misses or beats in completed sessions, a 'Not Feeling 100%' option adapts for illness or aches, and a plan-realignment prompt appears after more than three missed workouts. Workouts are pushed to Garmin, COROS, Suunto and Apple Watch and completed runs sync back; there is no AI chat coach, but the coaching and support team can be messaged in-app. Pricing is USD 19.99 per month or USD 119.99 per year with a 7-day trial. Runna was acquired by Strava in 2025 and continues as a separate app.

Rule-based adaptive. The plan re-flows or scales by fixed rules (missed session, RPE, completed volume). Typical of incumbents such as watch-maker coaches and template-based running apps. source

What the coach does

Thirteen coaching capabilities as stated by the vendor. ● full, ◐ partial, ○ not offered, ? unverified. Each links to the page that states it.

Plan
Builds a periodized planBuilds a periodized plan to a goal and date?◐Plan generated from goal, date, availability and current fitness, with phases. source
Precise workout prescriptionHow precise is each session?●Interval-level targets (pace, power or HR) executable on a device. source
Race preparationRace-specific work, taper, pacing?◐Race blocks, taper and a pacing or race-day plan for the target event. source
Adapt
Adapts to lifeRe-plans around life?◐Missed or moved sessions and availability changes re-flow the plan automatically. source
Adapts to fatigueReacts to fatigue and readiness?◐Load changes from HRV, sleep, resting HR or subjective feel without the athlete asking. source
Handles injury and illnessHandles sick or hurt athletes?●Pause and return-to-training progression, not just skip. source
Relationship
Post-workout feedbackExplains what a completed session meant??unverified
ConversationCan the athlete talk to the coach?◐Free-text chat that can answer questions and change the plan. source
Check-ins and accountabilityDoes it come to you?◐Scheduled check-ins, debriefs or reminders initiated by the app. source
Human coach in the loopIs a human in the loop?◐A human coach reviews or messages, included or as an add-on. source
Beyond endurance
Strength and mobilityStrength in the plan?●Prescribed strength or mobility sessions scheduled alongside endurance work. source
Nutrition and fuelingFueling guidance?◐Session- or day-specific fueling numbers. source
Multisport planningOne plan across sports??unverified

Works with

Partners the vendor states support for, by kind. A partner not listed is unverified, not unsupported.

Watches

PartnerDirectionSource
Garmin (watches / Connect)reads activities and pushes workoutssource checked 2026-10-13
COROSreads activities and pushes workoutssource checked 2026-10-13
Apple Watchreads activities and pushes workoutssource checked 2026-10-13
Suuntoreads activities and pushes workouts Workouts sync as SuuntoPlus Guides; Suunto Run not supported.source checked 2026-10-13

Training platforms

PartnerDirectionSource
Stravareads activities Listed as an integration for runs; completed runs sync to Strava.source checked 2026-10-13

Wellness and health data

PartnerDirectionSource
Apple Healthreads activitiessource checked 2026-10-13

Facts

PlatformsiOS, Android source
LanguagesEN, NL, FR, DE, IT, JA, PT, ES source
CompanyThe Run Buddy Limited source
CountryGB source
Launchedunverified

Pricing

Pricing modelSubscription source
Monthly priceUSD 19.99 source
Annual priceUSD 119.99 source
Free tierFree trial source
Trial7 days source

Scores

1–5 per dimension by the published rubric. Each score links to its evidence. Blank means no public evidence yet.

DimensionScoreEvidence
Plan quality2Paces are set from an estimated race time, but no periodization model is published; a Feb 2026 WSJ report and physios linked injuries to pace progression and intensity, after which Runna commissioned a Loughborough University review. evidence checked 2026-10-13
Adaptation3Independent write-up: pace targets change only after repeated misses/beats across sessions, 'Not Feeling 100%' and plan realignment are user-triggered, and HRV/sleep are not inputs. evidence checked 2026-10-13
Workout feedback3Independent write-up confirms pace targets per session executed on the watch and pace adjustments derived from recorded paces; a per-session summary or debrief is not documented by the vendor. evidence checked 2026-10-13
Coaching relationship2No AI coach chat; the vendor offers in-app messaging to its coaching/support team and app-initiated prompts (realignment, adjustment-ending reminders), which is more than an FAQ bot but not a coach that changes the plan on request. evidence checked 2026-10-13
Transparency3Help centre documents how pace targets, realignment options and heat adaptation work and explains the purpose of each option, but the adjustment algorithm is unpublished and individual changes carry no trigger explanation. evidence checked 2026-10-13
Value for money4USD 119.99/year for the full plan; an independent long-term user calls it a bargain versus a human coach, and a Strava bundle exists. evidence checked 2026-10-13
Athlete sentiment3Mixed: 4.9/76K App Store rating and positive long-term reviews versus Trustpilot complaints and a WSJ-reported wave of injuries attributed to over-aggressive progression. evidence checked 2026-10-13

What athletes say

Independent threads and reviews consulted, titles only; no paraphrase.

Common questions

What kind of AI coach is Runna?

Runna is classified as "Rule-based adaptive": The plan re-flows or scales by fixed rules (missed session, RPE, completed volume). Typical of incumbents such as watch-maker coaches and template-based running apps.

Does Runna push workouts to my watch or bike computer?

Yes. The vendor states structured workouts are sent to Garmin (watches / Connect), COROS, Apple Watch, Suunto.

Does Runna include a human coach?

Partly. A human coach reviews or messages, included or as an add-on.

Does Runna adapt the plan to fatigue and sleep?

Partly: Load changes from HRV, sleep, resting HR or subjective feel without the athlete asking.

What does Runna cost?

USD 19.99/mo · USD 119.99/yr, with a 7-day trial.

Which sports does Runna coach?

Running, Strength.

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Vendor sources consulted

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