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| Name: | Duffy, Kelly |
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| Club: | |||
| Residence: | Chicago, IL | ||
| Year of birth: | 1983 | (Cat. german: W40) | |
| Date of birth: | 06.07.1983 | (Cat. internat.: W40) | |
| Nationality: | USA  |
United States | |
| RunnerID: | 1476387 | ||
30 search results (30 Events, 2051.771 km). (More)
| 2026 | 1 Event, 50 km (More) | ||||
|---|---|---|---|---|---|
| 25.01.2026 | Clearwater Running Festival 50k Ultra (USA) | 50km | |||
| 4:26:10 h | Duffy, Kelly | *Fort Myers, FL | Overall: 5 | F: 2 | Cat W40: 1 |
| 2025 | 7 Events, 424.342 km (More) | ||||
| 15.11.2025 | The Forge Trail Run Festival (USA) | 60km | |||
| 6:56:45 h | Duffy, Kelly | *Chicago, IL | Overall: 6 | F: 3 | Cat W40: 1 |
| 01.11.2025 | Chicago Lakefront Fall 50km Race (USA) | 50km | |||
| 4:37:18 h | Duffy, Kelly | *Chicago, IL | Overall: 11 | F: 3 | Cat W40: 1 |
| 18.10.2025 | St. Pats 12 Hour Race (USA) | 12h | |||
| 64.856 km | Duffy, Kelly | *Chicago, IL | Overall: 8 | F: 3 | Cat W40: 2 |
| 10.05.2025 | Chicago 7-11 Hour Endurance Ru (USA) | 11h | |||
| 86.904 km | Duffy, Kelly | *Chicago, IL | Overall: 3 | F: 1 | Cat W40: 1 |
| 26.04.2025 | Earth Day 50k (USA) | 50km | |||
| 5:56:25 h | Duffy, Kelly | *Chicago, IL | Overall: 17 | F: 3 | Cat W40: 2 |
| 22.03.2025 | Diamondback 8 Hour Ultra (USA) | 8h | |||
| 61.283 km | Duffy, Kelly | *Fort Meyers, FL | Overall: 2 | F: 1 | Cat W40: 1 |
| 08.03.2025 | Save the Daylight 6 Hour Race (USA) | 6h | |||
| 51.299 km | Duffy, Kelly | *Ft Myers, FL | Overall: 1 | F: 1 | Cat W40: 1 |
| 2024 | 8 Events, 589.714 km (More) | ||||
| 26.-27.10.2024 | Javelina Jundred 100 Mile Endurance Run (USA) | 100mi | |||
| 27:06:44 h | Duffy, Kelly | *Chicago, IL | Overall: 283 | F: 98 | Cat W40: 28 |
| 14.09.2024 | Half Day at the Lake (USA) | 6h | |||
| 51.869 km | Duffy, Kelly | *Chicago, IL | Overall: 1 | F: 1 | Cat W40: 1 |
| 24.08.2024 | Terra Sans Pave - Terathlon 8-Hour (USA) | 8h | |||
| 61.557 km | Duffy, Kelly | *Chicago | Overall: 10 | F: 4 | Cat W40: 2 |
| 03.-04.08.2024 | Badger Trail Races by Ten Junk Miles Racing (USA) | 100km | |||
| 12:29:08 h | Duffy, Kelly | Overall: 2 | F: 2 | Cat W40: 2 | |
| 25.05.2024 | Leavenworth Trail Fest (USA) | 55km | |||
| 7:36:04 h | Duffy, Kelly | *Chicago, IL | Overall: 15 | F: 4 | Cat W40: 1 |
| 03.-04.05.2024 | WausaUltra Backyard Race (USA) | 34h | |||
| 60.354 km | Duffy, Kelly | *Chicago, IL | Overall: 45 | F: 7 | Cat W40: 3 |
| 30.03.2024 | Chicago Lakefront Spring 50km Race (USA) | 50km | |||
| 4:43:42 h | Duffy, Kelly | *Chicago, IL | Overall: 16 | F: 6 | Cat W40: 2 |
| 02.03.2024 | Music City Trail Ultra (USA) | 50km | |||
| 7:28:20 h | Duffy, Kelly | *Chicago, IL | Overall: 30 | F: 6 | Cat W40: 1 |
| 2023 | 5 Events, 364.847 km (More) | ||||
| 07.-08.10.2023 | The Hennepin Hundred - 100 Mile Run (USA) | 100mi | |||
| 21:21:03 h | Duffy, Kelly | *Chicago, IL | Overall: 34 | F: 9 | Cat W40: 2 |
| 19.08.2023 | Illiniwek 50 km Race The Night (USA) | 50km | |||
| 7:04:10 h | Duffy, Kelly | *Chicago, IL | Overall: 8 | F: 1 | Cat W40: 1 |
| 14.07.2023 | Madison Ultra 50km Downhill (USA) | 50km | |||
| 5:36:47 h | Duffy, Kelly | Overall: 3 | F: 1 | Cat W40: 1 | |
| 01.04.2023 | Kal-Haven Trail Run (USA) | 33.5mi | |||
| 5:49:45 h | Duffy, Kelly | *Chicago, IL | Overall: 25 | F: 7 | Cat W35: 1 |
| 11.03.2023 | Sierra Vista Trail Runs 50 km Race (USA) | 50km | |||
| 6:35:15 h | Duffy, Kelly | *Chicago, IL | Overall: 15 | F: 3 | Cat W35: 1 |
| 2022 | 6 Events, 440.401 km (More) | ||||
| 08.-09.10.2022 | Heartland 100 Mile Race (USA) | 100mi | |||
| 21:31:11 h | Duffy, Kelly | *Chicago, IL | Overall: 3 | F: 1 | Cat W35: 1 |
| 10.09.2022 | FallApple 50 Mile Run (USA) | 50mi | |||
| 10:23:28 h | Duffy, Kelly | *Chicago, IL | Overall: 2 | F: 2 | Cat W35: 1 |
| 21.08.2022 | Anchorage RunFest - 49K Ultra (USA) | 49km | |||
| 4:15:03 h | Duffy, Kelly | *Chicago, IL | Overall: 6 | F: 3 | Cat W35: 1 |
| 06.08.2022 | Death by 5k Little Rock (USA) | 50km | |||
| 3:55:45 h | Duffy, Kelly | *Chicago, IL | Overall: 6 | F: 1 | Cat W35: 1 |
| 16.04.2022 | Earth Day 50k (USA) | 50km | |||
| 6:01:58 h | Duffy, Kelly | *Chicago, IL | Overall: 33 | F: 5 | Cat W35: 3 |
| 10.04.2022 | Taturs Lake McMurtry 50 Km Trail Race (USA) | 50km | |||
| 5:56:33 h | Duffy, Kelly | *Chicago, IL | Overall: 12 | F: 2 | Cat W35: 2 |
| 2021 | 2 Events, 130.467 km (More) | ||||
| 10.07.2021 | Mt. Hood 50 Mile Trail Run (USA) | 50mi | |||
| 10:14:49 h | Duffy, Kelly | *Chicago, IL | Overall: 34 | F: 16 | Cat W35: 5 |
| 05.06.2021 | Crater 50km Trail Run - Driftless Discovery (USA) | 50km | |||
| 7:18:10 h | Duffy, Kelly | *Chicago, IL | Overall: 41 | F: 10 | Cat W35: 3 |
| 2018 | 1 Event, 52 km (More) | ||||
| 24.06.2018 | Bay of Fundy Int. Marathon (USA) | 52km | |||
| 5:02:16 h | Duffy, Kelly | *Chicago, IL | Overall: 5 | F: 1 | Cat W23: 1 |
Personal bests
Your list of personal best performances only contains performances of races which can be included into rankings.
In brackets rank in yearly international/national rankings.
| PB | 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2018 | |
|---|---|---|---|---|---|---|---|---|
| 50km | 4:26:10 |
4:26:10
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4:37:18
(656/37) |
4:43:42
(827/36) |
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| 6h | 51.299 |
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51.299
(717/32) |
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Comparison table
Comparison of performances in races with multiple participations
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2018 | ||
|---|---|---|---|---|---|---|---|---|
| Earth Day 50k | 2 | 5:56:25 | 6:01:58 | |||||
| Chicago Lakefront Spring 50km Race | 2 | 4:37:18 | 4:43:42 |