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Runner Profile
Thaddaeus Flatz-Ehrfeld
Groton / Current / projected PR 19:19.00
Course-adjusted PR 18:31.26
Adjusted-best source course
Sep 19, 2026
Rankings use the course-adjusted PR, not the raw race time.
Progress graph
Season progression
Each race appears as a dot in chronological order. Hover a dot for the race name and click it to open the race page.
Race History
Most recent results first
Showing only 2026 results for this season view.
| Date | Race | Course | Raw / Adj. | Place |
|---|---|---|---|---|
| Sep 19, 2026 | Brooks, Groton, St. George's, Marianapolis at Roxbury LatinSep 19, 2026 · Place 6 | RL 5K Course | Raw 19:19.00Adj. 18:31.26 | 6 |