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| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| Coastal Testing | Other | Nov 14, 20268:05 AM | Free | – |
| Kid's Run (6yo & younger, 50yd dash) - Free! | Kids | Nov 14, 20268:20 AM | Free | – |
| Half Marathon | Half Marathon | Nov 14, 20268:30 AM | $70$80 after Nov 8, 2026 | – |
| 5K | 5K | Nov 14, 20268:40 AM | $50$60 after Nov 8, 2026 | – |
| 5K (12 yo & under) | 5K | Nov 14, 20268:40 AM | $25$35 after Nov 8, 2026 | – |
| 5K (13 - 17 yo) | 5K | Nov 14, 20268:40 AM | $35$45 after Nov 8, 2026 | – |
| 10K | 10K | Nov 14, 20268:55 AM | $60$70 after Nov 8, 2026 | – |
| 10K (12 yo & under) | 10K | Nov 14, 20268:55 AM | $30$40 after Nov 8, 2026 | – |
| 10K (13 -17 yo) | 10K | Nov 14, 20268:55 AM | $40$50 after Nov 8, 2026 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
The Half Marathon fee goes up to $80 on Nov 8, 2026.
Online registration closes Nov 14, 2026, unless the race fills first.
At $70, entry is about 40 percent above a typical half marathon in California, which costs $50 right now.
A typical finisher at a half marathon in California runs 2:37:28, about 12:01 a mile, based on 44 races with published results. Women typically finish in 2:49:24 and men in 2:29:51.
Sunrise on race morning is at about 6:46 AM, and the Coastal Testing starts at 8:05 AM. The start sits about 50 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Quarry Lakes Regional Recreation Area (Ensenada Pavilion), Fremont, CA 94536
The pin marks the address the race lists, which is usually the start. Course maps are the organizers' own.
Aggregated from official results (Coastal Trail Runs) for ZombieRunner Quarry Lakes. Individual finisher names are not stored here.
At the 2025 Half Marathon, the fastest tenth finished in 1:41:54 or better, the top quarter in 1:53:43, and half the field in 2:12:12; the last tenth came in after 2:49:49.
At the 2025 5K, the fastest tenth finished in 22:35 or better, the top quarter in 29:07, and half the field in 36:01; the last tenth came in after 53:27.
At the 2025 10K, the fastest tenth finished in 48:01 or better, the top quarter in 56:50, and half the field in 1:07:59; the last tenth came in after 1:30:12.
| Age | Women | Men |
|---|---|---|
| 20-29 | 1:58:26 | 1:49:13 |
| 30-39 | 1:51:33 | 1:36:48 |
| 40-49 | 2:27:51 | 1:41:18 |
| 50-59 | n/a | 1:48:45 |
Groups with fewer than five finishers are left out. Awards vary by race; check the race's rules.
Where a finish time would have placed in 2025.
About the same size since 2022.
All events combined, from official results.
From 2022 to 2025, the field went from 112 to 144 finishers, and the median time rose from 2:11:29 to 2:12:12.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2025 | 144 (-1%) | 2:12:12 | under 1:41:54 | 1:26:24 |
| 2024 | 145 (-18%) | 2:11:32 | under 1:41:03 | 1:17:24 |
| 2023 | 177 (+58%) | 2:15:14 | under 1:43:40 | 1:19:04 |
| 2022 | 112 | 2:11:29 | under 1:38:13 | 1:23:38 |
From each year's official results for the Half Marathon; virtual options are left out.
Faster than most California trail half marathons
The fastest quarter of the 2025 half marathon field finished under 1:53:43, against 2:21:30 in a typical California trail half marathon, so times here run 20 percent faster.
Compares the fastest quarter of each field, so walkers and first-timers do not skew it. It reflects the course and the field together: a flat course, cool weather, or a competitive crowd all make times faster.
Around November 14 the day usually runs from 48°F at dawn to 64°F in the afternoon, with measurable rain on about 21% of days. Cold snaps dip to 42°F and hot years reach 70°F.
Based on 75 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.
What the organizers of ZombieRunner Quarry Lakes cover on their registration page, in brief.
Schedule and packet pickup
Race Day: Check-in beginning at 7:30 a.m. at Quarry Lakes Regional Recreation Area (Ensenada Pavilion). Please arrive 45min before your event to receive your bib and shirt. Event start times are listed here.
Course
5K. Dheeraj Gurusamy, 16, Livermore, CA ('21) 15:58. Kristen Chin, 12, Palo Alto, CA ('25) 18:47. 10K. Yohannis Estifanos, 26, San Jose, CA ('21) 32:22. Veneta Miller, 28, Cupertino, CA ('24) 40:43. Half Marathon. Gabriel Arrobo, 16…
Shirt and medal
To guarantee a shirt, please register 10 business days prior to the event.
Awards
T-shirts will be given to all pre-registered runners. All finishers will receive a custom medal. Overall Winners: The top 3 male and female overall winners of every distance will win an award and race credits to future Coastal races: 1st…
Rules and FAQ
Entry fees to Coastal events are non-refundable. DEFER YOUR ENTRY. To defer an event that is scheduled as planned: Things happen or you change your mind. If you're just not able to make the event that you had planned on, here are your…
Organize this race? Add details or a correction
The course starts in the scenic Quarry Lakes Regional Recreation area and follows the popular Alameda Creek Trail up to the mouth of Niles Canyon. All courses are flat and fast!
The Half Marathon (CA19047RS) course is USATF certified.