ATHLO+

On Running Shoes Compared

22 On models in the ATHLO+ Shoe Lab, grouped by category and compared on the figures On publishes.

The point of a table like this is the thing a brand's own site will not show you: its whole line side by side, on the same axes. These 22 span 148 g to 296 g across 9 categories, 10 of them carrying a plate, and 8 distinct midsole compounds — Helion, Helion (CloudTec Phase), Helion (double CloudTec), Helion HF (PEBA) and others.

  • Lightest148 gOn Cloudspike Shinka 1500m
  • Median267 gacross 22 shoes with a published weight
  • Heaviest296 gOn Cloudboom Max
Weight distribution — how many models fall in each 20 g band. Manufacturer figures at the maker's sample size.
  1. 140–160 g2
  2. 160–180 g1
  3. 180–200 g0
  4. 200–220 g3
  5. 220–240 g0
  6. 240–260 g3
  7. 260–280 g4
  8. 280–300 g9

22 of 22 have a published weight. Lightest 148 g, heaviest 296 g.

Jump to: Max cushion (4) · Race (4) · Super trainer (4) · Daily trainer (3) · Gym / training (2) · Spikes (2) · Recovery (1) · Stability (1) · Trail (1)

Max cushion (4)

Shoe Weight Stack (heel/fore) Drop Foam Plate Year
On Cloudsurfer Max 292 g 37 / 31 mm 6 mm Helion (CloudTec Phase) None 2025
On Cloudmonster 2 295 g 37 / 31 mm 6 mm Helion None 2024
On Cloudeclipse 295 g 37 / 31 mm 6 mm Helion (double CloudTec) None 2024
On Cloudmonster 3 295 g 35 / 29 mm 6 mm Helion Nylon 2026

Race (4)

Shoe Weight Stack (heel/fore) Drop Foam Plate Year
On Cloudboom Strike LS 170 g 37 / 33 mm 4 mm Helion HF (PEBA) Carbon 2024
On Cloudboom Strike 200 g 37 / 33 mm 4 mm Helion HF (PEBA) Pebax 2024
On Cloudboom Volt 210 g 39 / 34 mm 5 mm Helion HF (PEBA) Carbon 2026
On Cloudboom Echo 3 215 g 37 / 32 mm 5 mm Helion HF (PEBA) Carbon 2024

Super trainer (4)

Shoe Weight Stack (heel/fore) Drop Foam Plate Year
On Cloudflow 4 244 g 35 / 29 mm 6 mm Helion HF None 2024
On Cloudflow 5 249 g 37 / 31 mm 6 mm Helion HF (supercritical) Nylon 2026
On Cloudmonster Hyper 272 g 44 / 38 mm 6 mm Helion HF None 2024
On Cloudboom Max 296 g 40 / 32 mm 8 mm Helion HF (PEBA/TPEE) Nylon 2026

Daily trainer (3)

Shoe Weight Stack (heel/fore) Drop Foam Plate Year
On Cloudsurfer 2 255 g 37 / 28 mm 9 mm Helion None 2025
On Cloudsurfer Next 265 g 30 / 24 mm 6 mm Helion (CloudTec Phase) None 2025
On Cloudswift 4 278 g 31 / 23 mm 8 mm Helion None 2025

Gym / training (2)

Shoe Weight Stack (heel/fore) Drop Foam Plate Year
On Cloud X 4 286 g 32 / 25 mm 7 mm Helion Speedboard 2025
On Cloud X 5 289 g 30 / 22 mm 8 mm Helion None 2026

Spikes (2)

Shoe Weight Stack (heel/fore) Drop Foam Plate Year
On Cloudspike Shinka 1500m 148 g 18 / 10 mm 8 mm Helion HF Carbon 2024
On Cloudspike Tohka 5000m 150 g 22 / 14 mm 8 mm Helion HF Carbon 2024

Recovery (1)

Shoe Weight Stack (heel/fore) Drop Foam Plate Year
On Cloud 6 267 g 27 / 19 mm 8 mm CloudTec (Helion) None 2025

Stability (1)

Shoe Weight Stack (heel/fore) Drop Foam Plate Year
On Cloudrunner 3 295 g 31 / 23 mm 8 mm Helion None 2026

Trail (1)

Shoe Weight Stack (heel/fore) Drop Foam Plate Year
On Cloudultra 2 295 g 31 / 25 mm 6 mm Helion None 2023

Compare by category

Other brands in the Shoe Lab

Or stack any two to four shoes head to head in the ATHLO+ Shoe Lab.

Where these numbers come from

Manufacturer-published specifications compiled in the ATHLO+ Shoe Lab, powered by iRUN Singapore. These are specs, not our own test results, and nothing here is ranked or recommended. Figures are quoted at the maker's sample size and vary with yours.

Shoe Lab partner
iRUN Singapore

The Shoe Lab is built with iRUN Singapore, whose specialists fit runners day in, day out. The specs here are compiled with them — and the shoes are in their stores if you want to put a pair on before you decide.

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