Does Altra Rivera 3 (Men's) run true to size?

Based on 2 runner reports, the Altra Rivera 3 (Men's) runs true to size for most runners.

Should I size up or down in Altra Rivera 3 (Men's)?

Most runners recommend ordering your true size in the Altra Rivera 3 (Men's).

Road · Neutralavailable2023

Name: Altra Rivera 3 (Men's)
Brand: Altra
Rating: 4 (2 reviews)

Width options: standard (Men's) · standard (Women's)

Showing: Men's & Women's data combined

🟡Early reports

Based on 2 reports

Based on 2 reports: True to size

Men's

Women's

Early reports — based on fewer than 10 submissions. More data will improve reliability.

Came from	Bought	Length	Width	Issues	When
Altra Rivera 4 (Women's) Size 12.5	12.5	✓ True to size	Slightly narrow	—	Mar 2026
Altra Torin 7 (Women's) Size 9.5	10	✓ True to size	✓ True to width	—	Mar 2026

See how the Altra Rivera 3 (Men's) fits side-by-side with shoes runners know well.