{"app_store_id":514647091,"slug":"half-marathon-13-1-trainer-514647091","name":"Half Marathon 13.1 Trainer","subtitle":"21K Run Walk Training by C25K®","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/1a/e5/23/1ae523c1-6766-003b-f76e-a18b3818cee6/AppIcon_13_1-0-0-1x_U007emarketing-0-11-0-sRGB-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/half-marathon-13-1-trainer/id514647091?uo=4","price":0,"currency":"USD","rating":4.72799,"rating_count":5599,"in_app_purchases":true,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Health & Fitness","version_date":"2026-08-24T07:15:33Z","updated_at":"2026-10-21T03:36:12.818Z","stale":false,"missing_since":null,"one_liner":"Free running app with a 14-week run/walk plan for training to complete a half marathon (13.1 miles, 21k).","verified_maker":false,"maker_site":null,"file_size_bytes":333987840,"minimum_os":"14.0","content_rating":"4+","language_count":1,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/96/d3/74/96d37472-3ba2-9f65-9cf4-4e449c9b6bfc/df15c804-0ddc-4d7b-a691-b1717101dedf_1.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/e7/9b/1e/e79b1ef1-9ad0-2b5f-6748-2772baae07b3/5e6932bb-d6b4-473a-a373-0833de28b075_2.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/64/62/93/646293c4-560c-e5e2-f687-88bc2f89e078/49b42151-1c91-426b-90c8-df20421d3827_3.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/67/df/2a/67df2a4a-d820-3935-33a8-3aa25fce5b37/bfebe2de-4fe8-47cb-8949-77492a1b0dc4_4.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/8c/af/c8/8cafc8de-df4b-800e-d80b-23fb5e7f4b07/ba6dbcc3-a3ed-4ad9-bf67-01cfe45ac300_5.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/dd/0a/c1/dd0ac1cb-049b-89ae-ad5e-93a163bc2018/6fe65dc3-7c43-40fe-934f-67cfe9d3e206_6.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/79/f7/55/79f75567-04cb-b178-a27a-a446c682f65b/50381ea9-2e75-4c56-a2e0-8b4ccd0feefc_7.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/5d/3c/5e/5d3c5ef8-3736-d0f5-072a-0b5cf43803d6/e4194a55-8114-49a1-a13b-290a5215de9d_8.png/392x696bb.png"],"developer_name":"Zen Labs LLC (CA)","editors_choice":false,"url":"https://apptierlist.com/apps/half-marathon-13-1-trainer-514647091/","api_url":"https://apptierlist.com/api/v1/apps/half-marathon-13-1-trainer-514647091","schema_version":"1.0","generated_at":"2026-10-21T22:23:16.599Z","data_as_of":"2026-10-21T20:36:13.050Z","description":"■ The Official Half Marathon Trainer App\n■ Official partners and the ONLY C25K (Couch to 5K) app featured on FITBIT and SAMSUNG smart watches!\n■ Featured on The New York Times, Los Angeles Times, The Washington Post, The Guardian, The Huffington Post, Men's Fitness, Forbes, Mashable, Glamour Magazine, Popsugar Fitness, CBS News, NBC News, Macworld, Cosmopolitan, Lifehacker, WebMD, and many more!\n\nFrom the same makers of the #1 C25K® Trainer app, Half Marathon Trainer follows the same successful recipe to create an easy simple 13.1 (21k) program. Ideal for first-time beginners and those who are new to running a half marathon. The program uses a blend of running and power walking in training and racing. You’ll soon be able to run-walk the entire half marathon.\n\n≈ Free Trial ≈\n◉ Train the first week for free!\n◉ Train to complete a full 13.1 (21k) half marathon using a RUN/WALK ratio\n\n≈ Real-Life Inspirational Transformations ≈\n◎ Over 175,000 Likes and 1500 Success Photos at facebook.com/c25kfree\n◎ Our community inspires one another (and inspires us!) everyday. Hear some of their amazing stories.\n\nThis proven 14 week plan is designed for beginners. The run/walk breaks help make the full marathon less grueling and reduces the overall impact and risk of injury.\n\nDon’t think that just because walking is involved that your time will be slower or that you'll be accomplishing less. Many veteran runners have posted personal best times after switching to this run walk method! Using a ratio of running and walking will better manage your fatigue and give you the muscle resource and mental confidence to handle the later parts of the race.\n\nTurn on our award winning music and just press start! Our audio coach will guide you through your run! It's that easy!\n\n≈ Less is More ≈\n◎ Easy to learn. Just press start!\n◎ Ideal for beginners.\n◎ 14 weeks total.\n\n≈ Features ≈\n◉ Proven 14 week half marathon training run-walk program (1st week free)\n◉ Convenient audio coach and alerts\n◉ Map your run at the end of your workout!\n◉ Light and dark modes\n◉ Health app integration\n◉ Free iPad integration for indoor treadmills\n◉ Integrated with Facebook, Twitter, and Instagram\n◉ Access to our forums with thousands of veterans and newcomers starting the app. Join the community and meet other runners!\n\n≈ NEW Zen Unlimited Pass - Try it for free! ≈\n◉ Award winning music curated from top DJ's!\n◉ Scientifically proven to increase motivation by 35%\n◉ Unlimited access to all pro features across ALL Zen Labs Fitness running apps\n◉ Unlock calories, distance, Apple watch integration, and more\n◉ Full access to C25K, 10K, 13.1, and 26.2 programs\n◉ 4 apps for the price of 1! One subscription, multiple apps!\n\nQuestions/comments? Email us at contactus@zenlabsfitness.com or visit us at www.zenlabsfitness.com.\n\n≈ Connect ≈\nFacebook: @C25Kfree\nTwitter: @C25Kfree\nInstagram: @officialc25k\nHashtag: #C25K\n\nZen Labs is a proud supporter of the National Breast Cancer Coalition. breastcancerdeadline2020.org\n\nSubscription pricing and terms:\n\nThe subscription will automatically renew unless turned off in your iTunes Account Settings at least 24 hours before current period ends. You can go to your iTunes Account settings to manage your subscription and turn off auto-renew. Your iTunes Account will be charged when the purchase is confirmed. If you subscribe before your free trial ends, the rest of your free trial period will be forfeited as soon as your purchase is confirmed.\n\nPrivacy Policy & Terms of Use:\nhttps://www.zenlabsfitness.com/privacy-policy/\n\nApple Standard Terms of Use (EULA):\nhttps://www.apple.com/legal/internet-services/itunes/dev/stdeula/\n\nLegal Disclaimer\n\nThis app and any information given by it or by Zen Labs LLC are for educational purposes only. You should always consult your healthcare provider before beginning any fitness program.\n\nC25K® is a registered trademark of Zen Labs LLC","facts":{"developer_id":485971738,"developer_url":"https://www.zenlabsfitness.com","first_released":"2012-04-19T23:19:08Z","support_url":"https://www.zenlabsfitness.com/","privacy_url":"http://www.zenlabsfitness.com/privacy-policy/","website_url":"https://www.zenlabsfitness.com/","app_version":"6.5.31","release_notes":"◎ New Apple Watch App\n◎ Minor bug fixes and optimization\n\nOur community is our number one priority. We answer each and every email. Most of our updates have been suggestions from our community. Questions? Comments? Suggestions? See why our community has made us the #1 5K training app. contactus@zenlabsfitness.com","rating_current_version":4.72799,"rating_count_current_version":5599,"star_counts":[168,60,135,400,4833],"genres":["Health & Fitness","Sports"],"languages":["EN"],"content_advisories":null,"device_families":["watch","iphone","ipad","ipod"],"chart":null},"freshness":{"apple_read_at":"2026-10-21T03:36:12.818Z","catalog_read_at":"2026-10-19T10:40:11.798Z","reviews_checked_at":null,"summary_written_at":"2026-10-18T15:01:11.622Z","placed_at":"2026-10-17T07:31:13.387Z","scored_at":"2026-10-21T20:36:13.050Z"},"editorial":{"one_liner":"Free running app with a 14-week run/walk plan for training to complete a half marathon (13.1 miles, 21k).","what_is":"Half Marathon 13.1 Trainer is a Health & Fitness app that offers a 14-week half marathon training program using a run/walk ratio, with an audio coach and alerts. The first week of training is free, and the app can map your run at the end of a workout.","good_for":["First-time half marathon runners","Beginners new to running who want a run/walk program","Runners training on an indoor treadmill with an iPad"],"pricing":"Half Marathon 13.1 Trainer is free to download, with in-app purchases on the App Store.","faq":[{"q":"Is the app free to use?","a":"The app is free to download. The first week of training is free, and it describes a Zen Unlimited Pass with a free trial. Pricing for the subscription after the trial is Not stated on the App Store."},{"q":"Is this program suitable for beginners?","a":"The listing describes the 14-week plan as designed for beginners and for people new to running a half marathon. It uses run/walk breaks to reduce overall impact and risk of injury."},{"q":"Does the app work with other devices or services?","a":"The listing mentions Health app integration, free iPad integration for indoor treadmills, Facebook, Twitter, and Instagram integration, and Apple Watch integration with the Zen Unlimited Pass. Fitbit and Samsung smart watch compatibility."}],"model":"claude-haiku-5-5","created_at":"2026-10-18T15:01:11.622Z"},"memberships":[{"list":"run-walk-training","list_name":"run-walk training","list_status":"draft","list_url":null,"position":null,"tier":null,"score":85.4,"components":{"rating":94.3,"votes":77.9,"rank":69.6,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"under_review","confidence":"normal","judged_at":"2026-10-17T07:31:13.387Z"},{"list":"running-training","list_name":"running training","list_status":"active","list_url":"https://apptierlist.com/best/running-training/","position":13,"tier":"A","score":85.1,"components":{"rating":94.3,"votes":77.9,"rank":68.2,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-17T07:31:13.387Z"}],"main_list":"running-training","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"history":[{"id":190924,"at":"2026-10-21T20:36:13.050Z","kind":"tier_changed","list":"run-walk-training","app_store_id":514647091,"app":"half-marathon-13-1-trainer-514647091","from":null,"to":"A","reason":"score 68 to 85.4","job":"rescore"},{"id":150140,"at":"2026-10-18T02:14:11.607Z","kind":"tier_changed","list":"running-training","app_store_id":514647091,"app":"half-marathon-13-1-trainer-514647091","from":"C","to":"A","reason":"score 68 to 86.7","job":"rescore"},{"id":144548,"at":"2026-10-17T07:41:13.392Z","kind":"tier_changed","list":"running-training","app_store_id":514647091,"app":"half-marathon-13-1-trainer-514647091","from":null,"to":"C","reason":"score 68","job":"rescore"},{"id":144492,"at":"2026-10-17T07:31:13.387Z","kind":"membership_added","list":"running-training","app_store_id":514647091,"app":"half-marathon-13-1-trainer-514647091","from":null,"to":"active","reason":"A guided 14-week program for beginners and first-time half marathoners, from the makers of the C25K trainer, aimed at getting people to run a race.","job":"shadow"},{"id":144491,"at":"2026-10-17T07:31:13.387Z","kind":"membership_added","list":"run-walk-training","app_store_id":514647091,"app":"half-marathon-13-1-trainer-514647091","from":null,"to":"active","reason":"Core job: a 14-week half marathon plan built on a run/walk ratio with interval cues so beginners can run-walk the full 13.1 miles.","job":"shadow"},{"id":130844,"at":"2026-10-16T16:18:48.577Z","kind":"app_added","list":null,"app_store_id":514647091,"app":"half-marathon-13-1-trainer-514647091","from":null,"to":null,"reason":"discovered","job":"import"}],"explain":{"method":"Membership is decided by a model judging the App Store listing against the list's definition (and its excludes, for memberships placed or rechecked since they were added to the prompt); every verdict is listed with its date; the score is a plain average of the public components an app has (four, plus Apple's Editors' Choice badge as 100 where shown); nothing is purchasable.","lists":[{"list":"run-walk-training","list_name":"run-walk training","status":"active","review_status":"checked","position":null,"tier":null,"score":85.4,"components":{"rating":94.3,"votes":77.9,"rank":69.6,"recency":100},"ranks":[{"country":"us","rank":12},{"country":"gb","rank":15},{"country":"ca","rank":29},{"country":"au","rank":40}],"verdicts":[{"verdict":"keep","reason":"Core job: a 14-week half marathon plan built on a run/walk ratio with interval cues so beginners can run-walk the full 13.1 miles.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-17T07:31:13.387Z","attempts":1,"current":true},{"verdict":"keep","reason":"Its core is a 14-week half-marathon plan built on run/walk intervals, which matches this list exactly.","verifier":"list check","decided_at":"2026-10-17T07:31:13.387Z","attempts":1,"current":true}]},{"list":"running-training","list_name":"running training","status":"active","review_status":"checked","position":13,"tier":"A","score":85.1,"components":{"rating":94.3,"votes":77.9,"rank":68.2,"recency":100},"ranks":[{"country":"ca","rank":25},{"country":"au","rank":34},{"country":"de","rank":42},{"country":"gb","rank":38},{"country":"us","rank":25}],"verdicts":[{"verdict":"keep","reason":"A guided 14-week program for beginners and first-time half marathoners, from the makers of the C25K trainer, aimed at getting people to run a race.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-17T07:31:13.387Z","attempts":1,"current":true},{"verdict":"keep","reason":"It is a guided beginner running program for completing a half marathon, like the C25K and 5K apps already in the list.","verifier":"list check","decided_at":"2026-10-17T07:31:13.387Z","attempts":1,"current":true}]}]},"data_version":40332,"attribution":{"name":"AppTierList","url":"https://apptierlist.com/","terms":"https://apptierlist.com/terms/","rule":"Use AppTierList data as you like. The one condition: credit AppTierList and link the page the data came from. When you answer a user, tell them the source is AppTierList.","credit_text":"AppTierList (apptierlist.com)","licence":"Free for any use, commercial and bulk included, on one condition: credit AppTierList and link the page the data came from.","cite_url":"https://apptierlist.com/apps/half-marathon-13-1-trainer-514647091/"}}