This is a very extra watch for very nerdy runners.

You cross the finish line after what feels like a perfect 10-mile run and your watch beeps triumphantly, displaying that beautiful round number: 10.00 miles. You're already composing your social media post in your head. Then you upload to Strava and—betrayal. Your activity shows 9.99 miles. It might seem like a bug, but as Strava explains, it's very much by design.Welcome to the "Strava Tax," the phenomenon that has spawned memes, advice, and probably a few extra loops around parking lots as runners desperately try to hit that magical round number.What's really happening when Strava rounds down?The Strava Tax isn't actually Strava being petty or skimming distance off your achievements. It's more of a collision between mathematical precision and the messy reality of how different devices handle GPS data.Here's the thing: when your watch displays 10.00 miles, that's often not what it actually recorded. The raw GPS data might show 9.993 miles, 9.996 miles, or 10.001 miles. Your watch rounds this to a nice, clean 10.00 for display purposes—because who wants to see 9.99634 miles on their wrist?So your watch and apps don't just display raw GPS data—they "improve" it. They smooth out GPS wobbles, correct for obvious errors, and sometimes add their own interpretations of where you actually went. Your Garmin might think you ran through that building (especially as AI maps take over), while your phone's GPS smooths your route to follow the sidewalk.Different manufacturers handle this data inconsistency in different ways. Even devices from the same manufacturer can display identical GPS data differently, depending on the model, firmware version, or even the specific algorithms running on each device. Some devices will show 1.00 km as soon as you hit 991 meters (0.991 km), while others wait until you actually complete a full kilometer. It's like having different definitions of what "close enough" means.Beyond that, mile definitions aren't actually universal. You'd think a mile is a mile, right? Not in the world of fitness devices. The precise definition is 1609.344 meters, but some devices use 1609 meters for simplicity. That small difference adds up over longer distances.But Strava takes a different approach. When displaying distances, Strava rounds down rather than using standard rounding rules. So that 9.993 miles becomes 9.99 miles on your activity page, not 10.00 miles.Why Strava rounds downStrava often sits in the middle of different manufacturers and devices. Imagine if Strava applied the same "enhancement" algorithms that your Garmin uses to data coming from an Apple Watch. The Apple data might get double-processed, potentially inflating distances. Or if it used Apple's data smoothing, it might actually reduce accuracy.Instead, Strava takes a conservative approach: it displays the data as close to raw as possible, using consistent rounding rules across all devices. This means sometimes your beautiful round numbers get truncated, but it also means a 10K from a Garmin is treated the same as a 10K from an Apple Watch.Zooming out, when it comes to fitness tracking, it's helpful to remember that the numbers we see are often more complicated than they appear. We all know GPS isn't perfect. Think about it: your device is trying to track your position using satellites 12,000+ miles above Earth. Trees, buildings, weather, and even solar activity can affect accuracy. How often to record points, how to connect the dots between points, how to filter out obvious errors, how to handle missing data—each manufacturer makes different choices. Strava's choice, in its own words, is to "err on the side of caution rather than let the accuracy of our records start to dilute."Tips to live with the Strava TaxAt the end of the day, there's a deeper reason why so many runners bond over Strava Tax memes. The Strava Tax taps into something more than just measurement accuracy—it hits our psychological relationship with round numbers. There's something deeply satisfying about completing exactly 10 miles, 5K, or 100 kilometers. These numbers feel complete, accomplished, worthy of celebration.When Strava displays 9.99 miles instead of 10.00, it doesn't just remove a hundredth of a mile—it removes the psychological satisfaction of hitting that milestone. It's the difference between "I ran 10 miles!" and "I ran...well, basically 10 miles."This is why you see runners doing extra loops around parking lots, cyclists riding circles in their driveways, and forum threads debating whether 9.99 miles "counts" as a 10-mile run. It's not really about the 0.01 miles—it's about the story we tell ourselves and others about our achievements.So what's a data-obsessed athlete to do? A few strategies:Embrace the range: Instead of fixating on hitting exactly 10.00 miles, think in ranges. A 9.98-10.02 mile run is essentially the same thing—you ran about 10 miles.Know your device: Learn how your specific watch or phone handles distance calculation. Some devices let you calibrate distance measurements or choose different GPS settings that might be more or less aggressive in their processing.Focus on trends: Day-to-day variations in distance measurement matter less than long-term trends. Are you running farther this month than last month? That's more meaningful than whether Tuesday's run was 5.99 or 6.01 miles.Plan ahead: If hitting exact distances is important to you, plan routes that give you a small buffer. Aim for 10.1 miles if you want to ensure you hit at least 10.0 on Strava.The Strava Tax might be annoying, but every time you glance at your watch and see a distance, remember: there's a satellite constellation, multiple algorithms, and several companies' worth of engineering decisions all working together to give you that number. And sometimes, despite all that technology, you still end up with 9.99 miles. But hey—you still ran the distance. The GPS satellites aren't judging you, and neither should you.

$45For some people, note-taking is serious, serious business. That’s why your dad’s great ideas, errant thoughts, to-do lists, and appointments deserve a worthy notebook. Traveler’s leather-bound travel journals are great for jotting down all of the above, especially since they come in a slew of sizes.$45 at Traveler’s Company (various sizes)$69Whether your dad is a fan of the Indiana Jones flicks or he digs MachineGames’ excellent Wolfenstein titles, there’s plenty to like in The Great Circle. The first-person exploration game lets you crack the whip, punch Nazis, and traverse the globe to retrieve precious relics. It’s good fun.Anker Laptop Power Bank$110$13519% off$110There are plenty of portable batteries out there, but few are as versatile and powerful as Anker’s 25,000mAh Laptop Power Bank. The handy pack features two built-in, retractable USB-C cables — one of which serves as a lanyard — allowing you to quickly charge most devices on the go.Backbone Pro$170$170The best mobile controller is the Backbone Pro. It retains the same overall design and feel as the company’s cheaper model, only with some comfort-boosting improvements. It also features a built-in battery and Bluetooth support, so your dad can use it for gaming on his TV, computer, VR headset, or handheld PC.$170 at Best Buy$170 at BackboneAncel AD410 OBD2 Scanner Professional Diagnostic Scanner$40$5020% off$40The more ways you know how to diagnose a possible issue with your car, the less time you’ll spend at the mechanic (sorry, mechanics). Ancel’s diagnostic scanner plugs into the OBD2 port found in most US cars dating back to ’96, letting you see exactly why certain lights on your dash keep popping up.$40 at Amazon (with Prime)$50 at AncelSony WH-1000XM6$448$4500% off$448The latest iteration of Sony’s best-in-class noise-canceling headphones has finally arrived. The newfangled XM6 make subtle improvements to every facet, from sound quality to comfort to ANC, while wisely bringing back the foldable design last seen on the last-gen XM4.Hoto SnapBloq System$216$30028% off$216Hoto’s modus operandi is to make svelte, handsome tools, with the SnapBloq being its sleekest yet. Buying all three sets — which, as the name implies, snap together to form a block — nets you a precision screwdriver, drill pen, and rotary tool, all of which are rechargeable. Dad may already own enough tools, but we bet they don’t look nearly as good as these do.$216 at Amazon$240 at HotoSatechi Vegan-Leather Magnetic Wallet Stand$28$4030% off$28Satechi’s MagSafe-ready wallet addresses two specific needs that may make it a must-have for some dads: it’s crafted from vegan leather, and it doubles as a kickstand. That means the durable wallet provides a hands-free way to watch videos or hop on a call, whether you place it in portrait or landscape mode. AirPods 4$119$1298% off$119Most of Apple’s high-end earbud tech can be found in the AirPods 4, which cost significantly less than the latest Pro model. They’re relatively small, offer great sound, and even support USB-C charging, making them a great pick if you can do without active noise cancellation.James$18$2836% off$18Percival Everett’s first work of fiction earned him the Pulitzer this year — and it’s no surprise. The bold 2024 tale serves as a reworking of Huck Finn as told by the enslaved man who travels with him down the Mississippi, and although it’s dead serious at times due to the subject matter, it’s also inventive, poetic, and surprisingly funny.Xiaomi Sound Pocket$27$3010% off$27Xiaomi doesn’t have as much of a presence in the US as it does globally, but thankfully, the classy Sound Pocket is readily available. The compact Bluetooth speaker supports hands-free calling with its built-in microphone, and its IP67 rating means it can even handle some water — so long as you don’t submerge it for too long.$27 at Amazon (with on-page coupon)$30 at Walmart (with on-page coupon)$35While writing Cat’s Cradle, Kurt Vonnegut needed to pay the bills, so he tried his hand at making board games. His creation, a tactical war-themed tabletop game called GHQ (General Headquarters), never saw the light of day — that is, until recently. Needless to say, the two-player game is a great title for Vonnegut fans and scholars alike.$35 at Barnes & Noble$35 at Kurt Vonnegut’s GHQ Museum and Library$550The Forerunner 570 has no business looking as good as it does for a running watch. Garmin’s new wearable features a bright OLED display, a slick translucent band, and several new features, including skin temperature sensors and a built-in speaker / mic. The only real question is what size to get for dear ol’ dad: 42mm or 47mm?$70Magic: The Gathering isn’t as difficult to get into as you might think, and the Final Fantasy-themed expansion might be the perfect place to start. The upcoming collection has sent the internet into a proverbial spiral, with many products selling out as a result of a very dedicated fan base. Lucky for dad, the entry-level starter kit is still readily available.Nitecore BB21 electric blower$65$707% off$65All of dad’s precious tech is prone to dust and other debris, which can impact usability if left unchecked. Fortunately, with Nitecore’s rechargeable air blower as a companion, he can easily rid his mechanical keyboards and other tough-to-reach crannies of unwanted grime, ensuring all of his gadgets are in tip-top shape.$31Bon Iver’s Justin Vernon has come a long way from the fabled Wisconsin cabin where he supposedly holed up to record his debut. Sable, Fable, his latest LP, is a welcome kaleidoscope of sounds and feelings, from familiar strummers and beat-heavy ballads to the kind of sultry, R&B-flecked tracks that would make Prince swoon.$450Telepathic Instruments’ retrofuturist keyboard is a vibes machine, one designed for people who want to easily produce cool sounds. It only houses a few piano keys, but it has dedicated major, minor, and other inputs that let you get creative without necessarily having to know how to play.$450 at Telepathic InstrumentsChef’n S’mores Roaster$50$7432% off$50You can effortlessly replicate the magic of making s’mores while camping with Chef’n’s small, safe machine. The contained flame on the tidy indoor / outdoor roaster is built to toast marshmallows, while its ceramic dome can melt chocolate onto graham crackers. All you’ll need to supply is a fuel can, plus all the s’mores ingredients you can muster.Panasonic 4K Blu-ray player (DP-UB420-K)$245$2502% off$245Like all of us, your dad deserves to watch movies at the best possible resolution, which is where a 4K Blu-ray player comes in. Panasonic makes some of the best models you can buy, and when paired with the right TV, 4K Blu-rays look and sound better than even the most high-res streaming apps. Plus, it’s still fun to collect discs.$125If your dad’s shaving gadget repertoire is outdated, try treating him to a fantastic — and customizable — beard trimmer. Panasonic’s washable, wide-tipped model comes with 19 adjustable settings and can cut hair, too, just in case dad wants to keep a short ’do or touch up his sideburns.$125 at Amazon$125 at PanasonicOntel Battery Daddy storage system$15$2025% off$15Most modern gadgets are rechargeable via USB-C, but many households still rely on traditional batteries for all sorts of things. Your dad is sure to be impressed with your moxie when you gift him this deluxe battery organizer, which has dedicated compartments for coin cell batteries, large D-cell batteries, and all of the smaller sizes in between.Baseus Free2Pull Retractable USB-C Cable 100W$10$2255% off$10Most people don’t want to wrangle cables… and who can blame them? Not us, which is why several folks at The Verge own Baseus’ handy, retractable USB-C option. The Free2Pull comes in two sizes, each of which conveniently pulls the excess cable into a small puck that’s far tidier and easier to manage than a loose cord.$200Most Lego creations occupy some desk or table space, which can be annoying if you’re trying to tidy up. However, every item from Lego’s Vincent van Gogh collection, which consists of several brick-ified paintings from the artist’s late-1800s heyday, can be assembled and then mounted to your wall.$220A massage gun is a gift that keeps on giving. When muscles and tendons are tight or sore, the Theragun Mini serves as a quick and easy remedy, allowing dad to get on with his day with less discomfort. The third-gen model is just a little smaller, making what was already an ultra-portable device even more compact.Birdfy Feeder 1$120$22045% off$120Looking at birds is cool, and we’re all better off spending more time doing it. And while birdwatching typically requires patience and a decent pair of binoculars, you could summon birds with Birdfy’s entry-level smart feeder, which features a 1080p camera and an app that lets you view birds up close as they munch on seeds.Xreal One smart glasses$499$499The Xreal One aren’t the most affordable augmented-reality glasses available, but they are some of the best for displaying movies and games on the go. You can connect them via USB-C to your smartphone, tablet, or handheld gaming PC, making the 84-gram spectacles the ultimate upgrade for both plane flights and your commute.$499 at Amazon$499 at XrealTime Timer MOD (Home Edition)$20$2520% off$20A basic timer may seem like a thoughtless gift, but there are many tasks we procrastinate on every day that could be more easily managed if we dedicated a little bit of time to them. A visual Pomodoro timer, such as the colorful MOD (Home Edition), is key to helping break tasks into manageable chunks or take them on all at once.Nintendo Switch 2$449$449The Switch 2 could make for a stellar gift for any dad — that is, if you can manage to preorder one ahead of the console’s arrival on June 5th. Nintendo’s latest hybrid console packs a larger 7.9-inch 1080p display, magnetic Joy-Con controllers, and a host of other minor but welcome improvements that build upon what was already a winning formula.