assistant: For a 5K parkrun PB, you want a racing flat that rewards cadence and speed without sacrificing the snappy response you need to push hard over 30 minutes. All three of these are carbon-plated racers built for exactly this distance. **Puma Deviate Nitro Elite v4** is the standout here. At 170g, it's one of the lightest racers in the set, and EDDBUD calls it "one of the lightest Puma racers ever" — it actively rewards high cadence and harder foot-strikes, which is perfect for a 5K effort. The firmer, more responsive ride sits closer to a traditional carbon-plate racer than the softer V3, so you'll feel the plate working on every push. Doctors of Running notes it's "firm, but it's very snappy" and "responded really well to faster paces." At 65kg you're in the sweet spot for this shoe's aggressive platform. **ASICS Metaspeed Edge Tokyo** is the alternative if you want maximum energy return and a touch more cushioning for the impact of a hard 5K. FORDY RUNS praised its "lightness, energy return, and improved heel stability" in a 10K race, and that same snappiness translates to 5K. It's slightly heavier and softer than the Deviate, but the carbon plate is equally aggressive. **Adidas Adizero Adios Pro v4** splits the difference — lighter than the Edge Tokyo, firmer than the Metaspeed Sky. Kofuzi notes it "blends the best of the Adios Pro 3 and the Evo 1 into a great marathon racer," and while it's marketed for the marathon distance, its 220g weight and responsive platform make it a solid 5K option if you want something that can do double duty. **Quick question:** Have you raced in a super-shoe before, or is this your first time in a carbon racer? That'll help me confirm the Deviate is the right aggression level for your foot.