Calculators
Race-equivalent times, training paces, age grades and fueling planners. We only kept tools whose pages we could open.
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Matt Fitzgerald's mostly-easy training plans for runners and triathletes, built around the 80/20 intensity split.
Open 8020endurance.com -
An adaptive endurance planner used by runners and triathletes, built from training-load research.
Open athletica.ai -
The organiser of the Boston Marathon, with qualifying standards, training notes and the city's race series.
Open baa.org -
The original Couch to 5K programme as an app, with a guided voice and a schedule that builds from walking to a 30-minute run.
Open c25k.com -
A dense, research-heavy personal wiki on training science, ultras, shoes and recovery, with calculators.
Open fellrnr.com -
Adaptive 5K, 10K and half-marathon plans that live on a Garmin watch and adjust from your completed runs.
Open garmin.com -
Free, long-standing training plans from 5K to ultras, written as weekly schedules you can follow without a coach.
Open halhigdon.com -
An adaptive endurance coach that builds daily workouts for running, cycling and triathlon.
Open humango.ai -
Run-walk-run plans and pacing advice from the former Olympian, aimed at finishing races comfortably.
Open jeffgalloway.com -
Plain-language training plans and calculators for 5K through ultras, written for self-coached runners.
Open marathonhandbook.com -
Greg McMillan's training system, with plans and a widely used race-time calculator based on a recent result.
Open mcmillanrunning.com -
The organiser behind the New York City Marathon, with training resources, local races and club programmes.
Open nyrr.org -
The UK health service's nine-week walk-to-run plan, with a podcast and official app, made for people starting from scratch.
Open nhs.uk -
A gentler start-to-run plan than classic Couch to 5K, with shorter bouts for people who need more time.
Open nonetorun.com -
Amanda Brooks' training guides for everyday runners, plus gear notes and race-week advice.
Open runtothefinish.com -
A coaching app that builds a week-by-week plan around your goal race, schedule and current fitness.
Open runna.com -
A large library of 5K-to-marathon plans and training advice from the magazine's coaches and editors.
Open runnersworld.com -
Coaching plans, a long-running podcast and training articles for self-coached road racers.
Open runnersconnect.net -
Jason Fitzgerald's coaching site, with injury-prevention advice, plans and a long-running podcast.
Open strengthrunning.com -
The official London Marathon site, including training advice and event information for the April race.
Open londonmarathonevents.co.uk -
An adaptive running plan that rewrites itself from your logged runs rather than a fixed weekly template.
Open trainasone.com -
Training plans and advice written for women runners, from first 5Ks to longer goals.
Open womensrunning.com -
A story-driven running game with a 5K training season that mixes missions with walk-run intervals.
Open zombiesrungame.com -
A large library of trail maps and reviews, useful for finding off-road running routes.
Open alltrails.com -
A results archive that pulls together road-race times from many timing companies into one history.
Open athlinks.com -
The companion app for COROS watches, with training plans, running metrics and route tools.
Open coros.com -
A coach-friendly training log and calendar, used by running teams to send workouts and review sessions.
Open finalsurge.com -
A fast route planner for runs and hikes: draw a line, get distance and turn-by-turn on your phone or watch.
Open footpathapp.com -
Garmin's training log and analysis app, where watch workouts, coach plans and body metrics land.
Open connect.garmin.com -
A free, open-source desktop app for deep analysis of running and cycling files, including FOOTPOD and power.
Open goldencheetah.org -
A free, dense analysis site for endurance training: fitness, pacing, intervals and calendar planning.
Open intervals.icu -
An iPhone running app known for flexible data export, audio cues and reliable recording.
Open ismoothrun.com -
A popular route planner for trail running and bikepacking, with offline maps and surface data.
Open komoot.com -
An Under Armour running log for recording routes, pace and distance, with a large public route library.
Open mapmyrun.com -
Nike's free running app, with GPS tracking, guided runs and structured training plans led by Nike coaches.
Open nike.com -
Free, weekly, timed 5K (and 2K junior) events in parks worldwide, with a barcode and a results history.
Open parkrun.com -
A web route planner that lets you draw, measure and export running and walking courses.
Open plotaroute.com -
Polar's phone-only training app for recording runs with GPS and a Polar heart-rate strap.
Open polar.com -
Polar's web and phone log for watch data, training load, sleep and running programmes.
Open flow.polar.com -
Turns a recorded run into a short 3D flyover video you can share, using the GPS trace.
Open relive.com -
An open-minded running log with detailed physiology, shoe tracking and training-load charts.
Open runalyze.com -
A focused Couch to 5K and 10K training app with a simple calendar and spoken cues.
Open rundouble.com -
A transfer utility that moves activities between running logs, watches and coaching platforms.
Open rungap.com -
A long-standing GPS running log with training plans, audio cues and a simple post-run report.
Open runkeeper.com -
A veteran online running log with custom reports, equipment tracking and a quiet community.
Open runningahead.com -
A major US race-registration platform, also used as a calendar to find local events.
Open runsignup.com -
A clean personal running log that focuses on streaks, totals and trends rather than a social feed.
Open smashrun.com -
A long-running endurance log for importing files, tracking health data and reviewing training.
Open sporttracks.mobi -
The default social log for runs: GPS recording, segments, clubs and a huge public activity feed.
Open strava.com -
A foot pod and app that measure running power, with training plans based on critical power.
Open stryd.com -
Suunto's watch-maker site and companion app for syncing activities, maps and training diaries.
Open suunto.com -
A structured training log used by coaches, with workout builder, fitness charts and a plan store.
Open trainingpeaks.com -
The main US entry and results platform for ultras and trail races, with runner profiles and a race calendar.
Open ultrasignup.com -
The official World Masters Athletics age-grade tables, maintained in public by Alan Jones — the data behind many calculators.
Open github.com -
A toolbox of race predictors, pace converters, vDOT-style paces and training utilities.
Open hillrunner.com -
A long-standing set of free athletics tools, including age-grade and scoring tables used by UK runners.
Open howardgrubb.co.uk -
Pace, race-time and training calculators collected alongside the site's plans.
Open marathonhandbook.com -
A straightforward pace, time and distance calculator with metric and imperial units.
Open omnicalculator.com -
The home of the MAF 180 heart-rate method, used by runners building an aerobic base.
Open philmaffetone.com -
Sweat-test based fuel and hydration planning for long runs and races, from the Precision Fuel & Hydration team.
Open precisionhydration.com -
Another official front-end for Daniels VDOT training paces and equivalent race times.
Open runsmartproject.com -
A training platform with a public running calculator for paces and race predictions.
Open running.coach -
Jack Daniels' official VDOT calculator: race equivalents and training paces from a recent result.
Open vdoto2.com -
The international governing body's site, including scoring tables, records and competition resources.
Open worldathletics.org -
The governing body for masters athletics, home of the official age-grade factors used in many calculators.
Open world-masters-athletics.org -
Ali Feller's interview podcast with professional and everyday runners, often recorded on the move.
Open aliontherun.com -
A podcast and community for running parents, covering training around family life.
Open anothermotherrunner.com -
The official audio companion to the NHS Couch to 5K plan, with coaches talking you through each session.
Open bbc.co.uk -
Carrie Tollefson's interview show with professional runners, coaches and people around the sport.
Open ctollerun.com -
Interviews and news from the world of professional track, road racing and the NCAA.
Open citiusmag.com -
Trail and ultra news, interviews and gear from one of the sport's main independent sites, including its podcast.
Open irunfar.com -
Jason Koop's ultra-running coaching podcast, focused on training, fueling and high-level performance.
Open koopcast.com -
The long-running British show on racing, training and the weekend's results, if still publishing.
Open marathontalk.com -
The Runners Connect interview show, with coaches, scientists and athletes.
Open runnersconnect.net -
Coach Elisabeth Scott explaining training concepts in plain language for everyday runners.
Open runningexplained.co -
Tina Muir's long-running podcast on mental health, coaching and life as a runner.
Open runningforreal.com -
Chris McClung's coaching podcast from Rogue Running, on training cycles and race preparation.
Open roguerunning.com -
The SWAP coaching team on training for serious road and track runners, plus athlete interviews.
Open swaprunning.com -
Jason Fitzgerald's show on training science, injury prevention and practical coaching advice.
Open strengthrunning.com -
Mario Fraioli's interview and coaching show, with thoughtful long conversations about training and the sport.
Open themorningshakeout.com -
A popular YouTube and podcast studio covering training, shoes, races and everyday running culture.
Open therunningchannel.com -
A long-running trail and ultra podcast with interviews, training talk and race stories.
Open trailrunnernation.com -
Kathrine Switzer's global network of women's running clubs, named after her 1967 Boston bib.
Open 261fearless.org -
A non-profit that guides and supports athletes with disabilities in running and racing.
Open achillesinternational.org -
A worldwide race calendar for marathons, trails and ultras, useful for planning trips.
Open ahotu.com -
A US results and meet platform used heavily by high-school and club track and cross country.
Open athletic.net -
A US running community that organises group runs and support for Black women.
Open blackgirlsrun.com -
The governing body for athletics in England, including club affiliation and competition structures.
Open englandathletics.org -
A US specialty running-shop group that hosts local training programmes and group runs.
Open fleetfeet.com -
A youth programme that uses running and a 5K to teach confidence and life skills to girls.
Open girlsontherun.org -
A UK charity that turns group runs into local volunteering: mission runs, group tasks and coach visits.
Open goodgym.org -
A worldwide directory of Hash House Harrier running groups — social, non-competitive 'hash' runs.
Open gthhh.com -
A worldwide network of LGBTQ+ running and walking clubs, with a club directory.
Open frontrunners.org -
The long-standing message board and news site for serious road, track and college running in the US.
Open letsrun.com -
Evening group runs with music, in cities around the world, aimed at making running social.
Open midnightrunners.com -
High-school and grassroots track and cross country news, results and rankings in the US.
Open milesplit.com -
Free, early-morning group workouts in cities around the world, started as a running fitness gathering.
Open november-project.com -
The UK's public database of official athletics results, rankings and athlete profiles.
Open thepowerof10.info -
A more technical Reddit room for experienced runners talking workouts, mileage and race plans.
Open reddit.com -
A supportive Reddit community following Couch to 5K, with weekly check-ins and beginner questions.
Open reddit.com -
A Reddit community for people training for their first 26.2, with plan questions and race reports.
Open reddit.com -
The largest Reddit community for everyday runners, from first 5Ks to marathon weekly threads.
Open reddit.com -
Reddit's trail-running room for routes, kit, ultras and off-road questions.
Open reddit.com -
A Reddit community for races longer than the marathon, from first 50Ks to hundred-milers.
Open reddit.com -
A Reddit community for women runners to talk training, kit, safety and racing.
Open reddit.com -
The US umbrella for local running clubs and events, with a club finder and coaching education.
Open rrca.org -
England Athletics' directory of organised run groups and trained run leaders across England.
Open runtogether.co.uk -
A UK campaign and race listing that highlights events making a genuine effort to welcome women.
Open sheraces.com -
Martinus Evans' community and book project for back-of-the-pack runners who want to feel welcome.
Open slowafrunclub.com -
A UK beginner-friendly running community (This Mum Runs / This Woman Runs) with local groups.
Open thiswomanruns.com -
A running clothing brand that also runs Trackhouse community spaces and group runs in a few cities.
Open tracksmith.com -
The US governing body for track, road and trail, with club listings, official courses and championships.
Open usatf.org -
Independent shoe reviews by a group of runners who log serious mileage in each pair, with weekly rotations.
Open believeintherun.com -
Deep, independent reviews of GPS watches, running sensors and bike computers, including a yearly buyer's guide.
Open dcrainmaker.com -
Shoe reviews written by clinicians, with attention to geometry, cushioning and who a shoe is for. They also record a podcast.
Open doctorsofrunning.com -
Trail and ultra gear reviews: shoes, packs, poles, lights and race-week kit.
Open irunfar.com -
Side-by-side tested buying guides for running shoes and outdoor kit.
Open outdoorgearlab.com -
Outside magazine's running section for training, shoes and trail writing, including the former PodiumRunner stories.
Open run.outsideonline.com -
A multi-reviewer site for road and trail shoes, with comparisons and first-run impressions.
Open roadtrailrun.com -
The magazine's shoe awards, watch reviews and kit guides, updated through the year.
Open runnersworld.com -
A long-standing review site for road and trail shoes, with lab-style notes and comparisons.
Open runningshoesguru.com -
A specialist retailer with detailed shoe specs, customer wear-tests and fit advice.
Open runningwarehouse.com -
Lab-tested shoe reviews and buying guides, with measurements of stack, foam and weight.
Open runrepeat.com -
Steve Magness' writing on training science, coaching and how to read running research.
Open scienceofrunning.com -
A long-running independent running-shoe review site, with detailed wear tests and comparisons.
Open solereview.com -
Trail-shoe and outdoor-kit buying guides with seasonal updates.
Open switchbacktravel.com -
UK-based independent shoe and kit reviews, with video and written wear tests.
Open theruntesters.com -
The long-running trail magazine (now under Outside) for shoes, pack guides and off-road training.
Open trailrunnermag.com -
A wearables site with a running category covering GPS watches, headphones and sensors.
Open wareable.com
Nothing matches that.