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Best 12k Performances over the past 12 months
| Male (Top four finishers from each race) | ||||||
| Place | Event | Runner Name | Location | Sex/Age Group | Results Date | Time |
| 1 | Lilac Bloomsday 12K | patrick kiprop | ken | Male | 2025-05-04 | 34:08 |
| 2 | Lilac Bloomsday 12K | mike kamau | ken | Male | 2025-05-04 | 34:43 |
| 3 | Lilac Bloomsday 12K | futsum zienaselassie | usa | Male | 2025-05-04 | 34:51 |
| 4 | Lilac Bloomsday 12K | simon mwangi | ken | Male | 2025-05-04 | 34:53 |
| 5 | Bay to Breakers | Oscar Medina | san francis , CA US | Male | 2025-05-18 | 37:09 |
| 6 | Bay to Breakers | Christopher Olley | San Francis , CA US | Male | 2025-05-18 | 37:19 |
| 7 | Bay to Breakers | Connor Clark | San Francis , CA US | Male | 2025-05-18 | 37:29 |
| 8 | Bay to Breakers | Garrett Patrick | Daly City , CA US | Male | 2025-05-18 | 37:31 |
| 9 | Sound to Narrows | Colin Monaghan | Seattle | Male | 2025-06-14 | 39:12 |
| 10 | Sound to Narrows | Robby Webster | Tacoma | Male | 2025-06-14 | 39:47 |
| 11 | Sound to Narrows | Cian Monaghan | Puyallup | Male | 2025-06-14 | 39:55 |
| 12 | Sound to Narrows | William Carroll | Tacoma | Male | 2025-06-14 | 40:01 |
| Female (Top four finishers from each race) | ||||||
| Place | Event | Runner Name | Location | Sex/Age Group | Results Date | Time |
| 1 | Lilac Bloomsday 12K | veronica loleo | ken | Female | 2025-05-04 | 38:02 |
| 2 | Lilac Bloomsday 12K | adane mengesha | ethi | Female | 2025-05-04 | 38:14 |
| 3 | Lilac Bloomsday 12K | sarah naibei | ken | Female | 2025-05-04 | 38:14 |
| 4 | Lilac Bloomsday 12K | aubrey frentheway | usa | Female | 2025-05-04 | 38:15 |
| 5 | Bay to Breakers | Julia Vasquez Giguere | San Francis , CA US | Female | 2025-05-18 | 42:27 |
| 6 | Bay to Breakers | Maya Weigel | LOS ALTOS , CA US | Female | 2025-05-18 | 42:49 |
| 7 | Sound to Narrows | Sara Lopez | Port Orchard | Female | 2025-06-14 | 43:17 |
| 8 | Bay to Breakers | Bridget Blum | San Francis , CA US | Female | 2025-05-18 | 43:37 |
| 9 | Bay to Breakers | Izzi Gengaro | STANFORD , CA US | Female | 2025-05-18 | 43:39 |
| 10 | Sound to Narrows | Hannah Calvert | Tacoma | Female | 2025-06-14 | 44:20 |
| 11 | Sound to Narrows | Kate Landau-Olmstead | Tacoma | Female | 2025-06-14 | 45:10 |
| 12 | Sound to Narrows | Maggie McManis | Tacoma | Female | 2025-06-14 | 46:41 |
| 40-49 Male (Race age group winner) | ||||||
| Place | Event | Runner Name | Location | Sex/Age Group | Results Date | Time |
| 1 | Lilac Bloomsday 12K | david larpenteur | usa | Male 40-49 | 2025-05-04 | 40:32 |
| 2 | Bay to Breakers | Andrew Hill | MENLO PARK , CA US | Male 40-49 | 2025-05-18 | 41:06 |
| 3 | Sound to Narrows | Trevor Jennings | Tacoma | Male 40-49 | 2025-06-14 | 42:42 |
| 40-49 Female (Race age group winner) | ||||||
| Place | Event | Runner Name | Location | Sex/Age Group | Results Date | Time |
| 1 | Lilac Bloomsday 12K | jill miller | usa | Female 40-49 | 2025-05-04 | 49:35 |
| 2 | Sound to Narrows | Elizabeth Catlin | DavisCA | Female 40-49 | 2025-06-14 | 50:28 |
| 3 | Bay to Breakers | Tasha Westinghouse | SEATTLE , WA US | Female 40-49 | 2025-05-18 | 54:34 |
| 50-59 Male (Race age group winner) | ||||||
| Place | Event | Runner Name | Location | Sex/Age Group | Results Date | Time |
| 1 | Bay to Breakers | joseph Molloy | SAN FRANCISCO , CA US | Male 50-59 | 2025-05-18 | 42:00 |
| 2 | Lilac Bloomsday 12K | steve kirschke | usa | Male 50-59 | 2025-05-04 | 45:39 |
| 3 | Sound to Narrows | Mark Brinkhaus | Dupont | Male 50-59 | 2025-06-14 | 53:46 |
| 50-59 Female (Race age group winner) | ||||||
| Place | Event | Runner Name | Location | Sex/Age Group | Results Date | Time |
| 1 | Lilac Bloomsday 12K | sue l huse | usa | Female 50-59 | 2025-05-04 | 46:20 |
| 2 | Bay to Breakers | liz guerrini | long beach , CA US | Female 50-59 | 2025-05-18 | 53:01 |
| 3 | Sound to Narrows | Amanda Hoskins | Port Orchard | Female 50-59 | 2025-06-14 | 55:40 |
| 60-69 Male (Race age group winner) | ||||||
| Place | Event | Runner Name | Location | Sex/Age Group | Results Date | Time |
| 1 | Bay to Breakers | Tom Tayeri | PALO ALTO , CA US | Male 60-69 | 2025-05-18 | 46:03 |
| 2 | Lilac Bloomsday 12K | royce hogue | usa | Male 60-69 | 2025-05-04 | 48:08 |
| 3 | Sound to Narrows | Tony Phillippi | Tacoma | Male 60-69 | 2025-06-14 | 54:18 |
| 60-69 Female (Race age group winner) | ||||||
| Place | Event | Runner Name | Location | Sex/Age Group | Results Date | Time |
| 1 | Bay to Breakers | Joanna Fong | San Francisco , CA US | Female 60-69 | 2025-05-18 | 49:48 |
| 2 | Lilac Bloomsday 12K | alison scott | usa | Female 60-69 | 2025-05-04 | 57:15 |
| 3 | Sound to Narrows | Rikki Bogue | Tacoma | Female 60-69 | 2025-06-14 | 1:07:14 |
| 70+ Male (Race age group winner) | ||||||
| Place | Event | Runner Name | Location | Sex/Age Group | Results Date | Time |
| 1 | Lilac Bloomsday 12K | steve dyer | usa | Male 70+ | 2025-05-04 | 57:47 |
| 2 | Sound to Narrows | Dennis Larson | ShilohIL | Male 70+ | 2025-06-14 | 1:00:23 |
| 3 | Bay to Breakers | Karl Bane | La Honda , CA US | Male 70+ | 2025-05-18 | 1:01:09 |
| 70+ Female (Race age group winner) | ||||||
| Place | Event | Runner Name | Location | Sex/Age Group | Results Date | Time |
| 1 | Lilac Bloomsday 12K | sharon mc grane | usa | Female 70+ | 2025-05-04 | 1:06:10 |
| 2 | Sound to Narrows | Barbara Bumann | Olympia | Female 70+ | 2025-06-14 | 1:11:33 |
| 3 | Bay to Breakers | Ellen Kohn | PALM HARBOR , FL US | Female 70+ | 2025-05-18 | 1:18:48 |
