Author Archives: GridRox

HYROX Doubles Guide: Rules, Strategy & How to Choose Your Partner

Two athletes training together — HYROX Doubles format guide

HYROX Doubles is the two-person team format of HYROX — and for many athletes, it’s their favorite way to race. You share every station with a partner, both of you run every kilometer together, and you cross the finish line as a team. This guide covers exactly how Doubles works, the rules that catch first-timers […]

HYROX Denver 2026: Race Guide, Altitude Training & What to Expect

Colorado mountain landscape — HYROX Denver 2026 altitude racing at 5,280 feet

HYROX Denver 2026 is the highest-altitude race on the entire US calendar. At 5,280 feet (1,609 m) above sea level — exactly one mile high — Denver presents a challenge that no other North American HYROX event does: thinner air. Athletes who account for altitude do well. Those who ignore it blow up in the later runs.

Best Shoes for HYROX 2026: What to Wear and What to Avoid

Updated September 29, 2026: added Nike’s new Hybrid RN and Hybrid Fly. HYROX is 8 km of running plus sled pushes, loaded carries, sandbag lunges, and 100 wall balls. No single shoe type was designed for all of that — which is why choosing the best HYROX shoes for your needs requires thought. The best […]

What to Eat Before a HYROX Race: Pre-Race Nutrition Guide

HYROX is a 60–120 minute race combining running and high-intensity functional fitness. Fueling it correctly isn’t complicated — but getting it wrong (eating too close to race time, trying new foods on race day, under-fueling) costs real performance. Two Rules That Override Everything Don’t try anything new on race day. Every food, gel, or supplement […]

HYROX Open vs Pro: Which Division Should You Enter?

Open or Pro? It’s one of the most common questions before registering for HYROX. The answer depends on where you are in your training — not where you aspire to be. Here’s a clear breakdown. HYROX Open Weights vs Pro Weights: The Full Difference The jump from HYROX Open weights to Pro weights is the […]

HYROX Race Day Checklist: Everything You Need for Race Day

Race day in HYROX runs best when you’ve planned it in advance. The event itself will stress your body — the logistics shouldn’t add to that. Use this checklist to prepare the night before, organize race morning, and arrive at the start line with nothing left to worry about except your splits. The Night Before: […]