assistant: For a sub-19 5K runner at your weight, a carbon-plated racer is the right call — the energy return and propulsive feel will give you a meaningful edge over the last 2K when pace matters most. Before I lock in a pick, one quick clarifying question: **Have you raced in a carbon-plated super-shoe before**, or would this be your first? That shapes whether I'd lean toward a snappier, more aggressive racer or something with a touch more cushion for durability across 5K–10K efforts. In the meantime, here's what stands out from my data: **Adidas Adizero Takumi Sen v11** — Lightest in the bunch (184g), fiberglass plate instead of full carbon, and Doctors of Running calls it "a massive upgrade over v10" with a softer, bouncier feel. At 32/25mm stack it's nimble without being skeletal. Best for your 5K pace and intervals. **Saucony Endorphin Pro v4** — Heavier (218g) but wider in the forefoot and more forgiving. Doctors of Running notes it's "excellent at 5K pace" but "awkward at half-marathon/tempo paces" — so pure 5K/10K racing, this shines. 40/32mm stack gives you more cushion if you're chasing a 10K PR on the same day. **Puma Deviate Nitro Elite v4** — Ultralight (170g), full carbon, excellent expert reception. The Run Testers calls it "one of Tom's top carbon-plate race picks." Sits between the Takumi Sen and Endorphin Pro in feel — snappy but not skeletal. Let me know your super-shoe experience and I'll narrow it down.

assistant: The **Adidas Adizero Takumi Sen v11** is the faster 5K/10K pick; the **Saucony Endorphin Pro v5** is built for half-marathon and marathon racing and trades some of that 5K snap for durability and cushion over longer efforts. **Ride deltas:** The Takumi Sen v11 is 34g lighter (184g vs 215g) with a lower stack (32/25mm vs 39/31mm), giving you a more nimble, ground-close feel that Kofuzi calls "agile and low to the ground" — ideal for the last 2K of a 5K. The Endorphin Pro v5 sits higher off the ground with a firmer, more responsive dual-layer PWRRUN HG/PB foam and an aggressive rocker designed to carry you through 13–26 miles, not 3.1. Both have full-length carbon plates and neutral geometry, but the Sen v11's fiberglass plate is gentler and more forgiving than the Endorphin's carbon — better for the repeated hard efforts of 5K/10K racing. **For your sub-19 5K:** The Takumi Sen v11 wins. Doctors of Running notes it's "softer and bouncier" than its predecessor and "more enjoyable for intervals, tempo runs, and racing" at shorter distances. The Endorphin Pro v5 has mixed expert reception and is optimized for half-marathon/marathon pacing — you'd be carrying extra cushion and weight you don't need at 5K pace, and the aggressive rocker that helps at marathon effort can feel sluggish when you're chasing sub-19 pace. If you're racing a 10K as your primary goal, the Takumi Sen v11 is still the pick. If you're doing both 5K and 10K in the same season and want one shoe to cover both, the Endorphin Pro v5 *could* work for the 10K, but the Sen v11 handles both better. <details> <summary><strong>Why the Takumi Sen v11</strong></summary> At 60kg and sub-19 5K fitness, you're in the sweet spot for a lightweight, snappy racer. The Sen v11's 32/25mm stack and 184g weight keep you close to the ground without sacrificing cushion — Kofuzi's "chewy/sinewy compression" describes a shoe that absorbs impact but snaps back quickly, which matters when you're hitting 5:00/mi pace or faster. The fiberglass plate (not full carbon) is more forgiving on repeated hard efforts than the Endorphin's carbon — you can train in the Sen v11 and race in it without the foam life anxiety of a pure carbon racer. Doctors of Running explicitly flags it as best for "10K and under for most runners." </details>