Overwatch Grandmaster Tier List on Colosseo (30-day)

Auto-generated Overwatch tier list on Colosseo for Grandmaster players, derived from a 30-day window of ranked play. Win-rate and pick-rate weighted, refreshed daily.

Last updated Mon, 07 Sep 2026 09:20:52 GMT · data window 2026-08-09 → 2026-09-07

In Grandmaster ranks competitive Overwatch on Colosseo, the current top picks are Tracer, Sombra, Kiriko and Lúcio. Rankings combine win rate and pick rate over a 30-day window of ranked play, refreshed daily.

Map

Tracer56.5% WR · 28.9% PR · 27.0% BR56.5% WR28.9% PR27.0% BR

Sombra61.3% WR · 7.2% PR · 12.6% BR61.3% WR7.2% PR12.6% BR

How tiers are computed

Pick-rate-weighted win rate and average pick rate are z-scored within this slice. Composite score = 0.7 * z(win_rate) + 0.3 * z(pick_rate). Heroes are sorted by score and bucketed by score percentile.

Pick-rate floor: heroes below 0.5% pick rate in the slice are excluded.
Score weights: 0.7 x z(win rate) + 0.3 x z(pick rate).
Tier cutoffs (by score percentile, of 53 eligible heroes): S = top 8% · A = top 17% · B = top 25% · C = top 25% · D = top 25%.

FREQUENTLY ASKED

Who is the best hero in Overwatch on Colosseo for Grandmaster players?: Tracer currently leads with a 56.5% win rate and 28.9% pick rate on Colosseo. Sombra and Kiriko round out the top 3.
Which heroes are S-tier heroes in Overwatch in Grandmaster on Colosseo?: S-tier on Colosseo: Tracer, Sombra, Kiriko, Lúcio.
How is this Overwatch tier list calculated?: Heroes are scored from a weighted blend of win rate (70%) and pick rate (30%) across competitive matches in Grandmaster ranks, with a minimum pick rate of 0.5% to filter out off-meta noise. S/A/B/C/D cutoffs are percentile-based across the resulting score distribution.
How often is the tier list updated?: Daily. The current snapshot covers competitive matches from 2026-08-09 to 2026-09-07 (30-day rolling window).

RELATED TIER LISTS

By role

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Other ranks

Bronze Silver Gold Platinum Emerald Diamond Master

Other maps

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FREQUENTLY ASKED

Who is the best hero in Overwatch on Colosseo for Grandmaster players?

Tracer currently leads with a 56.5% win rate and 28.9% pick rate on Colosseo. Sombra and Kiriko round out the top 3.

Which heroes are S-tier heroes in Overwatch in Grandmaster on Colosseo?

S-tier on Colosseo: Tracer, Sombra, Kiriko, Lúcio.

How is this Overwatch tier list calculated?

Heroes are scored from a weighted blend of win rate (70%) and pick rate (30%) across competitive matches in Grandmaster ranks, with a minimum pick rate of 0.5% to filter out off-meta noise. S/A/B/C/D cutoffs are percentile-based across the resulting score distribution.

How often is the tier list updated?

Daily. The current snapshot covers competitive matches from 2026-08-09 to 2026-09-07 (30-day rolling window).