Disney Registration Blueprint, Running Industry Insider, Shoe of the Week, Lean Physique Guide & more

Welcome to your weekly endurance briefing, courtesy of the Marathon Journal. Each Monday, we deliver essential updates and expert insights to keep you informed on the latest in running and competitive sports.

1. The 56:42 Scandal: Why Jacob Kiplimo’s World Record Was Officially Erased

Kiplimo Responds as World Athletics Rejects 56:42 World Record World Athletics’ refusal to ratify Jacob Kiplimo’s 56:42 half-marathon performance has put the spotlight on Technical Rule 6.3.1, citing aerodynamic drafting from a lead vehicle positioned 10–15 meters ahead. This analysis examines how pacing assistance, undefined vehicle-distance standards, and on-course rule enforcement influenced the decision—raising important questions about fairness, consistency, and how future road-race records will be judged. Read the full breakdown on MarathonJournal.com.

2. Why the 2026 European Running Business Conference is a "Masterclass" for the Industry

ERBC Running Industry Conferences that Matter The global running industry isn't just growing; it’s being re-engineered. At the 2026 European Running Business Conference in Porto, the focus shifts from traditional logistics to a high-tech ecosystem fueled by AI-driven event management and sustainable scaling. This isn't just a meeting—it’s a biennial masterclass in the intersection of operational science and athlete experience. From maritime trade routes to the marathon finish line, discover how the next decade of competitive racing is being built. Read the full article at marathonjournal.com.

3. The Taboo Goal: Why It’s Okay for Marathoners to Want a Leaner Physique (and How to Do It Right)

Achieving a leaner physique while maintaining marathon power requires a strategic shift from restriction to metabolic optimization. Research suggests that "front-loading" protein intake and properly fueling training windows can prevent hormonal deregulation and injury. This deep dive explores the physiological impact of nutrient timing, the role of ferritin in endurance, and why internal health markers are the ultimate check engine light for athletes. Read the full article at MarathonJournal.com.

4. Shoe of the week: Adidas Supernova Rise 3

Ever wish your morning miles felt a bit more effortless? We just lab-tested the Adidas Supernova Rise 3, and the results are incredibly bouncy. By swapping traditional support rods for a full bed of Dreamstrike+ foam, Adidas boosted energy return by 20% without sacrificing stability. Whether you're hitting a 15-mile long run or a recovery jog, this versatile workhorse delivers a fresh, plush ride. See the full performance breakdown at marathonjournal.com.

5. Can Kiplimo Turn a "Ghost Record" into Official History?

Determined to erase the frustration of his unratified "ghost record," Jacob Kiplimo is officially returning to the EDP Lisbon Half Marathon on March 8, 2026, with a clear mission to reclaim his crown through an undisputed performance. Following the technical controversy in Barcelona—where his staggering 56:42 was wiped from the books due to lead-car proximity and illegal coaching allegations—Kiplimo’s return to the vetted, world-record-eligible streets of Lisbon is a calculated move to secure a "bulletproof" mark. Fresh off his third consecutive World Cross Country title and armed with the aerobic engine of a 2:02:23 Chicago Marathon victory, the Ugandan superstar is leveraging Lisbon’s sea-level precision to lay the Barcelona drama to rest before his high-stakes April showdown in London. Read the full breakdown on MarathonJournal.com.

6. Industry Insider: The Future of Running is Being Rewritten

The 2026 Running USA Industry Conference just wrapped in St. Louis, signaling a massive "modern running boom" fueled by a new generation of leaders and AI-driven innovation. From groundbreaking discussions on using artificial intelligence to automate race management to a focus on athlete retention in a world where runners crave new experiences, the summit provided a definitive roadmap for the sport's evolution. As races sell out faster than ever, the industry is pivoting toward year-round engagement and radical inclusivity, ensuring that the current momentum translates into a sustainable, tech-forward future for every "everyday runner". Read the full industry report at MarathonJournal.com.

7. The 2027 Disney Registration Blueprint: Strategic Maneuvers to Secure Your Marathon Bib.

Securing a position in high-demand endurance events requires precise logistical execution and technical preparation. Data from previous registration cycles indicates that high-capacity races, such as the 5K and 10K, typically reach full capacity within 30 minutes of the portal opening. Successful registration correlates with a multi-device strategy and early entry into the randomized virtual waiting room. This blueprint analyzes the 2027 fee structures and sell-out hierarchies to optimize your probability of securing a bib for the upcoming season. Read the Full Article at marathonjournal.com.

For more deep-dives and the latest in global running news, join the community at MarathonJournal.com.