COROS has become the first major endurance-watch brand to let outside AI read directly from a customer's account. Fifteen data endpoints are now exposed to Claude, ChatGPT and Cursor. The choice of what to include, and what to withhold, tells a strategic story. Read the full post … | Continue reading
data-driven approaches for sports fans are likely to become more sophisticated over time Read the full post at How Data Analytics Tools Are Changing Sports Betting Decisions. Subscribe to the5krunner for detailed running tech reviews, sports science insights, and training analysi … | Continue reading
Garmin launches the Forerunner 170 at £259.99 / $299.99 and a new Forerunner 70 at £219.99 / $249.99. The FR70 brings AMOLED and Garmin's full physio stack to entry level for the first time. MIP exits the Forerunner line. Read the full post at Forerunner 170: Garmin exits sub-$25 … | Continue reading
The Fitbit Air ships on 26 May for $99 with no subscription. The question is not whether the device sells. It is which Fitbit Air buyer you are. Three groups account for most of the demand. Find out which path applies to you. Read the full post at Who will Buy the Fitbit Air? Exi … | Continue reading
The Garmin Cirqa is imminent. The Fitbit Air is already shipping at $99 with no subscription. Most existing Garmin owners will buy Cirqa. Most existing Google owners will buy Fitbit Air. The interesting question is who wins the Whoop switcher. Full comparison, ecosystem analysis, … | Continue reading
A Russian retailer and an AliExpress seller have listed an unannounced Garmin Forerunner 170. Here is why neither carries much weight, and what does. Read the full post at Garmin Forerunner 170 leak: how credible are the listings?. Subscribe to the5krunner for detailed running te … | Continue reading
The Fitbit Air is the first wearable launch in three years that could meaningfully shift market share away from Whoop. At $99.99 with no subscription required, the screenless tracker takes on Whoop, Polar Loop, Amazfit Helio Strap, and Oura Ring 4. Worth pre-ordering? Read the fu … | Continue reading
QZ — formally qdomyos-zwift — started as a fix for one incompatible exercise bike. It has since become an open-source training platform connecting almost any indoor machine to Zwift, Peloton, Strava, and Garmin. Here is what it does and how. Read the full post at QZ qdomyos-zwift … | Continue reading
MyWhoosh will run biological anti-doping tests on its weekly prize-money racing from 17 May 2026, the first private virtual cycling platform to do so. The move extends testing well beyond the annual UCI Cycling Esports World Championships and pulls away from Zwift's lighter appro … | Continue reading
Endurance coaching software for coaches managing multi-athlete rosters. Free for 2 athletes, scales per athlete, 6 languages, multi-watch sync. Read the full post at Good Coach App: A Coaching Platform Built Around the Coach. Subscribe to the5krunner for detailed running tech rev … | Continue reading
The Huawei Watch Fit 5 Pro looks like an Apple Watch Ultra 3 at a third of the price. After four weeks of testing across running, cycling, swimming and sleep, the verdict is clear on what works and where the watch still has rough edges. Read the full post at Huawei Watch Fit 5 P … | Continue reading
Changes are coming to the5krunner: a part shift from advertising to subscription, without the locked content or pop-ups you have seen elsewhere. Here is what is changing. Read the full post at A Note to Regular Readers – Changes Afoot. Subscribe to the5krunner for detailed runnin … | Continue reading
Compression apparel has gone from a niche curiosity to a staple of the running community Read the full post at Compression Shorts for Runners: What Actually Matters. Subscribe to the5krunner for detailed running tech reviews, sports science insights, and training analysis. If yo … | Continue reading
From Stadiums to Streets Read the full post at From Stadiums to Streets: Sports Stars Who Took on the Challenge of a Marathon. Subscribe to the5krunner for detailed running tech reviews, sports science insights, and training analysis. If you use the5krunner professionally or fin … | Continue reading
Pregnancy disrupts sleep for nine straight months, and the usual fixes do not work. Eight Sleep's Pregnancy Mode adjusts the bed week by week, from first trimester through 24 weeks postpartum, built on 45,000 nights of pregnancy sleep data. Read the full post at Eight Sleep Pregn … | Continue reading
Changes are coming to the5krunner: a part shift from advertising to subscription, without the locked content or pop-ups you have seen elsewhere. Here is what is changing. Read the full post at A Note to Regular Readers – Changes Afoot. Subscribe to the5krunner for detailed runnin … | Continue reading
Ultrahuman Ring Pro: 15-day battery, on-device AI, no subscription Sleep is where useful biometric data sits. Resting heart rate, heart rate variability, respiratory rate and overnight skin temperature all read… Read the full post at Ultrahuman Ring Pro: 15-Day Battery, AI, No S … | Continue reading
Garmin is having its best ever years. Record revenue. Record margins. Record fitness segment growth. Seven structural cracks already visible underneath. Plus the one Black Swan event that could end the company in a single quarter. Here is how, and when Read the full post at The G … | Continue reading
A brand-by-brand summary of the new GPS computers, radar lights, power meters and smart trainers from China's leading cycling-electronics firms at China Cycle 2026 in Shanghai. Read the full post at What’s new in cycling electronics at China Cycle 2026. Subscribe to the5krunner f … | Continue reading
A leak suggests Garmin is reshaping Connect into a social platform with Strava's 45 million active users firmly in its sights. That ambition sits alongside a uncomfortable number buried in Garmin's record Q1 2026 results: Fitness was up 42% and EPS up 29%, yet Fenix division reve … | Continue reading
An academic study has compared the Garmin Forerunner 265's Health Snapshot against an ECG reference and reached a clean split conclusion. Resting heart rate is measured accurately. The HRV data is judged unsuitable for research or for monitoring patients and athletes. Read the fu … | Continue reading
Garmin's TopoActive 2026.10 map pack is now available in Garmin Express, but it is bricking Edge and Forerunner devices in significant numbers. Affected units enter an unrecoverable boot loop, typically mid-ride. Skip the update until Garmin issues a fix. Read the full post at St … | Continue reading
Suunto has filed a new heart rate monitor under the model code SHRM2. The clues point to one of three products, and the most interesting of them would put Suunto into Whoop territory for the first time. Read the full post at Suunto SHRM2 heart rate monitor — Whoop competitor like … | Continue reading
A leak indicates Garmin is reshaping Connect into a Strava-like social platform. With 45 million active users and a hardware data moat Strava cannot match, Garmin's position is more credible than the user gap suggests, and Strava should treat this as a warning shot. Read the full … | Continue reading
Workout Writer turns typed sessions into structured workouts for Apple Watch and Garmin. The iOS app uses configurable effort tags, so the same Tempo or Threshold session adapts to each athlete's pace, heart rate or power targets. Read the full post at the Workout Writer: Structu … | Continue reading
Garmin has never published a Garmin Connect user count, and the 35 million figure circulating online is dated boilerplate. A reasoned estimate built from segment revenue, device shipments and Garmin's own language puts the May 2026 active base materially higher. Read the full pos … | Continue reading
Eight Sleep released Autopilot 4.0 on 23 April 2026, repositioning Autopilot as a predictive "sleep agent" that pulls in daytime data from Apple Health. First thoughts on what it changes versus version 3, and whether the predictive layer earns its place. Read the full post at Aut … | Continue reading
Whoop has launched the Navigator Band, a rugged outdoor strap sitting above SuperKnit and SportFlex in the 5.0 and MG accessory range. Aimed at climbers, hikers, and ruckers who give their kit a hard time. Read the full post at Whoop Navigator Band – What’s New. Subscribe to the5 … | Continue reading
athletedata connects Garmin, WHOOP, Oura, TrainingPeaks and a dozen other platforms, then sends proactive coaching via Telegram or WhatsApp. The pitch: your coach should already have the data, and it should come to you. We look at how it works in practice. Read the full post at a … | Continue reading
Garmin posted record Q1 2026 revenue with Fitness up 42% and EPS up 29%, yet shares fell against a flat market. The Outdoor division's second consecutive soft quarter and held guidance explain the disconnect. Read the full post at Garmin Q1.2026 Earnings – “Fenix, we’ve got a pro … | Continue reading
Zwift has acquired Rouvy and FulGaz, bringing three of indoor cycling's most established platforms under one owner. This analysis covers what actually changes, maps the full consolidation timeline, and asks whether the real competitive threat to Zwift is already being built by in … | Continue reading
The Suunto Core 2 has surfaced in an FCC filing under model OW245. The label points to a modern outdoor watch with Fenix-class capability, 100m water resistance and a single replaceable CR3032 battery rated in years rather than weeks. Read the full post at Suunto Core 2: A Garmin … | Continue reading
Two men ran sub-2 hours at today's London Marathon in the same brand-new shoe. The complete sub-2 history is three performances and every one was set in a carbon-plated supershoe. The tech behind the times, and what amateurs should take from it. Read the full post at Sub-2-Hour M … | Continue reading
Coros and Wahoo have announced a two-way partnership covering data sync, treadmill integration, and mutual hardware reselling. The deal stops short of a merger but creates the first credible second ecosystem in a market Garmin has dominated. Here is what it actually changes, and … | Continue reading
The Oakley Meta Vanguard is now on Amazon with next-day Prime delivery and 30-day returns. That matters because smart glasses are a fit-and-feel purchase, and Amazon takes the risk out. Garmin and Strava integration is in place for runners and cyclists. Read the full post at Oakl … | Continue reading
200 miles, 5,000m of climbing, one day on closed roads. Off to the Mallorca 312 Gran Fondo to see whether Chase the Sun training transfers to a mountain-backed sportive. On a rental bike, two years older, and hoping to spot DC Rainmaker's front garden on the way past. Read the fu … | Continue reading
Amazfit's April firmware lands on the Active 3 Premium and Balance 2, but most of what arrives has already been on other watches in the range for months. The genuinely useful change: Active 3 Premium HRV now syncs directly to Apple Health. Read the full post at Amazfit April soft … | Continue reading
The Marathon is a test, a celebration, and a personal triumph rolled into one Sunday morning. Read the full post at London Marathon Ballot to Finish Line: Everything a First-Timer Needs to Know. Subscribe to the5krunner for detailed running tech reviews, sports science insights, … | Continue reading
Supporter++ closes to new subscribers on 1 May. Lock in £20 now. Don’t panic: existing subscribers are not affected. Your subscription price will never change, provided it does not lapse.… Read the full post at Supporter++ closes to new subscribers on 1 May. Lock in £20 now.. Su … | Continue reading
FIT Dashboard is a free, open-source desktop app that analyses Garmin FIT files entirely on your own machine. It parses telemetry in Rust, stores data locally in DuckDB, and supports interactive charts, route maps, and side-by-side activity comparison. Read the full post at FIT D … | Continue reading
Garmin Connect+ turns one. Twelve months of feature additions later, the subscription remains hard to justify for most athletes, with two narrow exceptions. Plus a forward view on the two moves that could change the calculation: native strength analytics and Muscle Battery. Read … | Continue reading
Huawei's clip-on open-ear earbuds solve a fit problem that silicone tips never address. The FreeClip 2 improve on the original with a new driver, longer battery life and IP57 water resistance. Strong sound for an open design, and a rare fit for small ears. Read the full post at H … | Continue reading
Oura has acquired Galen AI, a Stanford-founded start-up that connects consumer health apps to medical records across more than 800 healthcare systems. The deal marks a clear shift in Oura's positioning. We assess what Oura is really acquiring and what it means for wearable rivals … | Continue reading
Access to medical cannabis in the UK is through specialist private clinics Read the full post at Can UK Runners Get a Medical Cannabis Prescription?. Subscribe to the5krunner for detailed running tech reviews, sports science insights, and training analysis. If you use the5krunne … | Continue reading
Evidence is mounting that Garmin is preparing a significant move into strength training. A leaked research survey names eight specific neuromuscular features in development — rep detection, fatigue modelling, load tracking among them — structured across three tiers of capability. … | Continue reading
The Garmin D2 Mach 2 Pro adds inReach satellite and LTE connectivity to the D2 Mach 2 at a $50 premium. This guide covers what changes, what carries over, and whether the upgrade makes sense for pilots who operate beyond phone coverage. Read the full post at Garmin D2 Mach 2 Pro … | Continue reading
Polar Street X tested across battery life, heart rate accuracy, GPS, sleep staging, and 170+ urban sport profiles. Data from 200+ miles of cycling and five-device sleep comparisons. At £186 on Amazon UK, is this the best value sports watch for street athletes? Read the full post … | Continue reading
Forma is a free tool that turns Garmin recovery metrics into structured gym sessions. Enter your HRV status, Body Battery, sleep score, and training load, and it returns a complete workout matched to your readiness that day. Read the full post at FORMA: Garmin Recovery Data to St … | Continue reading