A guide to running the Front Rangehttps://featonthestreet.com/https://featonthestreet.com/colfax-marathon-denver/https://featonthestreet.com/colfax-marathon-denver/For most runners, yes. Denver’s only marathon is a big, well-supported road race with a simple shape. The catch is the altitude, and the plan that deals with it depends on where you live.Thu, 24 Sep 2026 00:00:00 GMThttps://featonthestreet.com/manitou-incline-how-hard/https://featonthestreet.com/manitou-incline-how-hard/Harder than its one-mile length suggests. The Incline climbs about 2,000 feet on a steep, uneven staircase. How to judge whether you are ready, and how to plan the climb.Thu, 24 Sep 2026 00:00:00 GMThttps://featonthestreet.com/cold-weather-running-gear-denver/https://featonthestreet.com/cold-weather-running-gear-denver/A Denver January day swings about 26 degrees from low to high, and the cold is dry, not wet. So buy wind and skin protection first, bulk last, and a shell you can carry.Thu, 10 Sep 2026 00:00:00 GMThttps://featonthestreet.com/sun-protection-running-altitude/https://featonthestreet.com/sun-protection-running-altitude/A cap, sunglasses that stay on, and sport sunscreen do more for a Front Range runner than anything altitude-specific. Here’s what’s worth carrying, and what isn’t.Thu, 10 Sep 2026 00:00:00 GMThttps://featonthestreet.com/uv-exposure-running-denver/https://featonthestreet.com/uv-exposure-running-denver/Denver’s altitude adds roughly 10 to 16 percent more UV than sea level, a smaller penalty than the warnings suggest. Fresh snow can nearly double a run’s dose.Thu, 10 Sep 2026 00:00:00 GMThttps://featonthestreet.com/wildfire-smoke-running-denver/https://featonthestreet.com/wildfire-smoke-running-denver/The run-early rule that works for ozone fails in wildfire smoke, when overnight air can be the dirtiest of the day. How to read a smoke morning in Denver.Thu, 10 Sep 2026 00:00:00 GMThttps://featonthestreet.com/lightning-running-denver/https://featonthestreet.com/lightning-running-denver/Colorado ranks third in the nation for lightning deaths while sitting 32nd for how much lightning it gets. The state’s own casualty records say when a runner is in the wrong place.Thu, 03 Sep 2026 00:00:00 GMThttps://featonthestreet.com/denver-ozone-season-running/https://featonthestreet.com/denver-ozone-season-running/Colorado’s ozone monitors read dirtiest in the foothills, not downtown, and the effect shows up hardest at a runner’s hardest efforts. What the data supports in ozone season.Sun, 23 Aug 2026 00:00:00 GMThttps://featonthestreet.com/living-at-altitude-sea-level-racing/https://featonthestreet.com/living-at-altitude-sea-level-racing/Living and training at altitude built the same fitness as living high and training low. Only one of those two groups ran a faster 5K, and a Denver runner is doing the version that didn’t.Sun, 23 Aug 2026 00:00:00 GMThttps://featonthestreet.com/spring-running-in-denver/https://featonthestreet.com/spring-running-in-denver/March is Denver’s snowiest month on the books, and March plus April out-snow December plus January. Pack the winter gear away at the end of February and you are about six weeks early.Sun, 23 Aug 2026 00:00:00 GMThttps://featonthestreet.com/denver-turkey-trot/https://featonthestreet.com/denver-turkey-trot/Thanksgiving morning in Denver means a 4-mile walk/run through Washington Park. What the Mile High United Way Turkey Trot involves, and why it works as a first race.Mon, 20 Jul 2026 00:00:00 GMThttps://featonthestreet.com/fall-race-season-denver/https://featonthestreet.com/fall-race-season-denver/Denver’s normal high drops nearly 40 degrees between September and November, and cooler air is measurably faster to run in. Here’s the month-by-month case for fall, and how to plan around each one.Mon, 20 Jul 2026 00:00:00 GMThttps://featonthestreet.com/when-to-arrive-denver-race/https://featonthestreet.com/when-to-arrive-denver-race/Flying into Denver for a race from sea level? Here’s what the research says about your two real options: arrive two weeks out to adjust, or arrive close to race day and run it on effort, not pace.Mon, 20 Jul 2026 00:00:00 GMThttps://featonthestreet.com/training-for-first-10k-denver/https://featonthestreet.com/training-for-first-10k-denver/Already running a 5K and thinking about doubling the distance? At a mile up, a 10K is more than “twice a 5K.” Here’s how to build toward it honestly.Wed, 15 Jul 2026 00:00:00 GMThttps://featonthestreet.com/pacing-by-effort-altitude/https://featonthestreet.com/pacing-by-effort-altitude/At altitude, your watch will lie to you. Here’s how to run by perceived effort instead, so you stop chasing a pace that no longer means what it used to.Sun, 12 Jul 2026 00:00:00 GMThttps://featonthestreet.com/staying-hydrated-running-altitude/https://featonthestreet.com/staying-hydrated-running-altitude/Colorado’s thin, dry air pulls water from you faster than most runners expect, and the effect compounds in every season. Here’s why hydration works differently at altitude and what to do about it.Thu, 09 Jul 2026 00:00:00 GMThttps://featonthestreet.com/how-to-start-running-denver/https://featonthestreet.com/how-to-start-running-denver/Never been a runner? Starting in Denver adds thin air to the mix, but it doesn’t make it harder than anywhere else, just different. Here’s how the first weeks actually work.Tue, 07 Jul 2026 00:00:00 GMThttps://featonthestreet.com/what-to-wear-running-colorado/https://featonthestreet.com/what-to-wear-running-colorado/Colorado’s temperature swings between a cold dawn start and a sunny finish can catch even experienced runners off guard. Here’s the layering system that handles it, season by season.Fri, 03 Jul 2026 00:00:00 GMThttps://featonthestreet.com/trail-running-near-denver/https://featonthestreet.com/trail-running-near-denver/The foothills just west of Denver are a different sport from a park loop. Here’s what a road runner needs to know before the first trail run in the mountains.Tue, 30 Jun 2026 00:00:00 GMThttps://featonthestreet.com/summer-running-in-denver/https://featonthestreet.com/summer-running-in-denver/Denver summers are warm, sunny, and reliably stormy by afternoon. Run early, respect the altitude sun, and get off exposed ground before the lightning builds.Sun, 28 Jun 2026 00:00:00 GMThttps://featonthestreet.com/winter-running-in-denver/https://featonthestreet.com/winter-running-in-denver/Denver winters are cold, dry, and brighter than most people expect. How to keep running outside through them: what to wear, where to watch your footing, and when to stay in.Wed, 24 Jun 2026 00:00:00 GMThttps://featonthestreet.com/first-month-running-in-denver/https://featonthestreet.com/first-month-running-in-denver/New to Denver and your running suddenly feels brutal? That’s normal, and temporary. Here’s a calm first-month plan for the altitude, the routes, and your first race here.Mon, 22 Jun 2026 00:00:00 GMThttps://featonthestreet.com/where-to-run-in-denver/https://featonthestreet.com/where-to-run-in-denver/Denver runs well. Flat lake loops, long car-free trails, and the foothills a short drive west. Here’s how to pick a route by what you actually want from the run.Thu, 18 Jun 2026 00:00:00 GMThttps://featonthestreet.com/running-at-altitude-denver/https://featonthestreet.com/running-at-altitude-denver/At a mile up, the air holds less oxygen, and your running feels it. Here’s what altitude actually does to your pace, how long it takes to adjust, and how to train around it.Tue, 16 Jun 2026 00:00:00 GMT