Alfheim's Mr. Supersonic Don'T Stop Me Now
Lifetime
30.85mph
Rank #1 in breed
Breed percentile
Top 0.3%
vs. 286 ranked Italian Greyhounds
Best single year
26.66mph
2024 · rank #18
Alfheim's Mr. Supersonic Don'T Stop Me Now has at least 4,000 career points — FCAT8 is within 500.
Computed from Fast CAT titles on the official record. Claim Alfheim's Mr. Supersonic Don'T Stop Me Now free and count every run toward FCAT8.
Speed over time
3-run average per year · lifetime as reference line
Year-by-year
Official AKC ranking record
| Year | MPH | Rank in breed |
|---|---|---|
| 2024 | 26.66 | #18 |
| 2025 | 26.30 | #20 |
| 2026 | 25.51 | #38 |
| Lifetime | 30.85 | #1 |
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