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Climbing Finger Pulley Health: A Hangboard Protocol That Prevents A2 Ruptures
A2 pulley rupture is the most common serious finger injury in sport climbing. The injury is largely preventable through specific finger conditioning — but the standard hangboard advice climbers absorb online doesn't actually load the structures that need adaptation. Here's the protocol that does.
By ZealZag TeamOpen Water Sighting and Drift Currents: How Triathletes Lose 90 Seconds Without Knowing
The fastest swimmer in the field can still lose two minutes in a triathlon swim by sighting badly or failing to read the current. Sighting and current management are the two most underrated technical skills in open water — and they are learnable in a single weekend of focused practice.
By ZealZag TeamHeat Acclimation Blocks: A 10-Day Protocol for Summer Race Prep
Heat is the single most common reason endurance athletes underperform at summer races. Heat acclimation works — but only if the protocol is specific enough to trigger the physiological adaptations. Here's a 10-day block that does.
By ZealZag TeamRace-Week Taper for 50K+ Ultras: What the Data Actually Says About Volume Cuts
The marathon taper literature is extensive. The ultra-distance taper literature is much thinner — and the lessons that transfer from marathon work do not all transfer cleanly to 50K and longer. Here's what the available evidence actually supports for ultra-distance race-week preparation.
By ZealZag TeamChasing a Flat-Course Marathon PB: A Training Framework for Speed-Focused Racing
Berlin has produced nine marathon world records since 2003. Chicago runs flat. Rotterdam runs flat. Selecting a fast course is the easy part. Preparing specifically for sustained race pace over 42.2km is the harder work. Here's how to structure 16–19 weeks of training for a PB attempt on a fast course.
By ZealZag TeamFrom Endurance Athlete to Alpinist: The Skills Gap and How to Bridge It
Trail runners and cyclists who arrive at a glaciated peak with strong aerobic engines and no idea how to put on crampons are a recognizable type in alpine guiding. The cardio is genuine and useful. The technical deficit is a specific, fixable problem — but no amount of fitness substitutes for it.
By ZealZag TeamFrom Pool to Ocean: Building Open Water Swimming Skills That Actually Transfer
Pool fitness and ocean racing share a stroke and very little else. The navigation, cold water, pack dynamics, and variable conditions of open water events require specific preparation that lap-swimming alone cannot provide.
By ZealZag TeamPreparing for Your First Multi-Day MTB Stage Race
Multi-day mountain bike stage racing has one demand that no single-day event prepares you for: recovering overnight and performing again at full intensity the following morning, for seven or eight consecutive days. The training block, the race-week disciplines, and the gear decisions are all oriented toward that single requirement.
By ZealZag Team
Racing Hot: Heat Acclimatization Strategies for Ironman Athletes
Athletes who train in cool climates and race in Kona, Lanzarote, or Cairns face a thermal stress gap that race-day willpower cannot close. This is what the science says about closing it before the start gun goes.
By ZealZag Team