On Cloudeclipse vs On Cloudsurfer 3:
Which to Choose

Start with what's shared: both are tall, soft, neutral trainers built on On's segmented CloudTec Phase geometry, both roll through the gait in a staged, pod-by-pod sequence, and both are on the heavier end of daily trainers rather than anything light or snappy. Their stack heights are very close — the Cloudeclipse measures roughly 44 mm heel / 39 mm forefoot, the Cloudsurfer 3 roughly 45 mm heel / 37 mm forefoot — so neither is meaningfully taller than the other underfoot. The differences live elsewhere. First, drop: the Cloudeclipse runs a 6 mm offset while the Cloudsurfer 3 sits at 8 mm, so the Cloudsurfer ramps slightly more and takes a touch of load off the Achilles, while the Cloudeclipse sits flatter with marginally more forefoot cushion. Second, and most important, the plate: the Cloudeclipse uses a composite Speedboard — a plastic guidance plate, not carbon — that gives it a more structured, planted, composed ride that holds its shape and stays fresh deeper into long miles, and it rates as the more stable of the two. The trade-off is muted rebound; it cushions and steadies rather than springs. The Cloudsurfer 3 has no plate and leans entirely on its supercritical "Surreal" EVA foam, which makes it the livelier, slightly springier, more responsive shoe of the pair — but also the one more prone to feeling vague or mushy once the pace picks up, and a hair less planted. Foam chemistry differs too: dual-layer Helion in the Cloudeclipse versus the single Surreal EVA in the Cloudsurfer. Both top out around 5:00 min/km before the soft platform turns imprecise, so neither is a speed tool — the choice is purely about ride character at easy effort.