assistant: Breaking 3 hours is a serious goal — you're looking for a shoe that's fast enough to reward your effort but comfortable enough to hold that pace for 26.2 miles. Before I narrow it down, I need to know a bit more: 1. **What's your current marathon pace?** (Are you already running sub-3 in training, or is this a stretch goal?) 2. **Do you have a preferred foot strike** — forefoot, midfoot, or heel? Some of these racers are more forgiving on heel strikes than others. 3. **Any history of injuries or biomechanical quirks** — overpronation, tight calves, heavy impact, etc.? These details will help me pick between the aggressive speed-focused racers and the more balanced, comfortable super shoes in this lineup.

assistant: Great — forefoot striker and heavier weight actually narrows this nicely. You want a shoe with enough cushioning to absorb impact but a responsive platform that rewards your natural foot strike. Let me give you three strong options: **ASICS Metaspeed Sky Tokyo** is my top pick for a sub-3 marathon. It's the lightest shoe in this lineup (159g) with a high-sitting carbon plate that delivers exceptional pop off the toes — perfect for forefoot strikers. The dual FF Leap/Turbo Plus foam is soft and bouncy without feeling unstable. Kofuzi ran it through 100 miles and found the ride stayed consistent and fast; The Run Testers clocked a 2:24 marathon in it. True to size with a roomy forefoot. The only caveat: it's a bit narrow in the heel, so make sure it locks down well when you try it. **Puma Deviate Nitro Elite v4** is a close second and arguably more accessible. It's slightly heavier (170g) but has a firmer, snappier ride that Doctors of Running compared to the New Balance SC Elite v3 — very responsive without being tippy. Fordy Runs calls it his fastest marathon shoe for confident runners. The mesh upper has good volume, so you shouldn't have fit issues. At $250, it's also $20 cheaper than the Metaspeed. **Saucony Endorphin Elite v2** rounds out the trio if you want maximum cushioning. It's exceptionally soft with unmatched impact protection — EDDBUD measured the foam at Shore A11, which is genuinely plush. That softness does cost you some stability, but the forked plate keeps it grounded. At 201g it's heavier, but reviewers note legs feel great the next day, which matters on race day when you're pushing hard. **One clarification before you commit:** Are you a true forefoot striker (landing on the ball of your foot), or more of a midfoot striker who pushes off aggressively with your forefoot? The Metaspeed Sky Tokyo and Fast-R Nitro Elite v3 are built for true forefoot strikers, while the Deviate and Endorphin Elite v2 work well across the spectrum.

assistant: Good catch — that's a real question. Most of these are built for lighter, faster runners, and the data shows some gaps for heavier runners chasing a sub-3 marathon. **The honest take:** The **Saucony Endorphin Pro v5** is the only shoe in this lineup explicitly rated for heavier runners. EDDBUD tested it and called it "the best for heavier runners" — it has a wider landing platform in the heel, more resilient foam that doesn't dull as quickly, and a stable, consistent ride. At 215g it's heavier than the others, but that's because it's built to absorb impact better. The trade-off: it's less aggressive than the Metaspeed Sky Tokyo or Deviate Nitro Elite v4, so you're trading some speed pop for durability and comfort. The **Saucony Endorphin Elite v2** is also worth considering if you're heavier — EDDBUD measured the foam at Shore A11 (exceptionally soft) and noted it has "unmatched impact protection" and works especially well for "heavier runners wanting max cushion." The softness is a double-edged sword though: it's fun and bouncy, but less stable, so it demands good form retention late in the race. The **New Balance SC Elite v5** splits the difference — Doctors of Running called it "one of the most comfortable super shoes" and it has a wider toe box for a racing shoe. It's not explicitly flagged for heavier runners, but the comfort-first design and forgiving fit might suit you better than the more aggressive racers. **The real limitation:** Your shoe data doesn't include dedicated heavy-runner race shoes like the **Puma MagMax Nitro 2** (which is in my broader database and rated 7.2/10 for heavier runners). If weight-specific support matters for your marathon, that's worth exploring outside this lineup. **My recommendation:** Start with the **Endorphin Pro v5** — it's built for your biomechanics and body type. If you want to chase speed and are confident in your form holding through mile 20, the **Endorphin Elite v2** is the softer, bouncier alternative. The Metaspeed Sky Tokyo is genuinely fast, but it's designed for lighter runners with excellent form retention. Does the Endorphin Pro v5's heavier weight (215g) feel like a trade-off you'd accept for the stability and durability, or are you set on keeping weight down?