On Cloudsurfer Trail vs Brooks Cascadia 18

Comparison Overview

Both are top contenders in the trail category. The Brooks Cascadia 18 edges out as our pick.

How the On Cloudsurfer Trail and Brooks Cascadia 18 differ

The On Cloudsurfer Trail and the Brooks Cascadia 18 sit in the same trail bucket, so the question isn't what you'd use them for — it's which one matches your stride, your weekly mileage, and your budget.

Where they actually differ: the On Cloudsurfer Trail comes in roughly 1.0 oz lighter (9.6 oz vs 10.6 oz), which becomes noticeable on faster turnover and longer efforts; the drop differs (10.7mm on the On Cloudsurfer Trail, 8mm on the Brooks Cascadia 18) — higher-drop shoes tend to feel friendlier to heel strikers and tight calves, while lower drops favor a midfoot landing; the Brooks Cascadia 18 rides on the taller stack (32mm/21.3mm vs 34mm/26mm), giving it more under-foot cushioning at the cost of a slightly less stable platform; and the Brooks Cascadia 18 is $20 cheaper at MSRP ($160 vs $140).

Head-to-Head Comparison

Frequently Asked Questions

Which is lighter, the On Cloudsurfer Trail or the Brooks Cascadia 18?

The On Cloudsurfer Trail is the lighter shoe at 9.6 oz versus 10.6 oz.

Which costs less?

The Brooks Cascadia 18 is the more affordable option at $140 compared to $160.

Do they have the same heel-to-toe drop?

No. The On Cloudsurfer Trail has a 10.7mm drop and the Brooks Cascadia 18 has a 8mm drop, which can change how each shoe loads your calves and Achilles.

Can I rotate both shoes in the same training block?

Yes — many runners pair complementary shoes like these to spread load across different muscles and tendons. Use our rotation planner to build a mileage split that fits your schedule.

Read the full reviews

• On Cloudsurfer Trail — full specs, AI insights, and verdict.
• Brooks Cascadia 18 — full specs, AI insights, and verdict.
• Browse the full running shoe database
• See more shoe comparisons