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| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| 1-Mile Fun Run/Walk | Kids | Oct 4, 20269:00 AM | $40$45 after Oct 4, 2026 | – |
| 5K | 5K | Oct 4, 20269:00 AM | $40$45 after Oct 4, 2026 | – |
| Virtual 5KVirtual | 5K | Oct 4, 20269:00 AM | $40$45 after Oct 4, 2026 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
The Kids fee goes up to $45 on Oct 4, 2026.
Online registration closes Oct 4, 2026, unless the race fills first.
At $40, entry is about 14 percent above a typical 5K in New Jersey, which costs $35 right now.
A typical finisher at a 5K in Princeton runs 31:22, about 10:06 a mile, based on 8 races with published results. Women typically finish in 33:11 and men in 28:31.
Sunrise on race morning is at about 6:56 AM, and the 1-Mile Fun Run/Walk starts at 9:00 AM. The start sits about 200 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
2 Merwick Road, Princeton, NJ 08540
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
Aggregated from official results (CompuScore) for Eden Autism 5K & Fun Run/Walk. Individual finisher names are not stored here.
In 2025, the fastest tenth finished in 23:43 or better, the top quarter in 27:50, and half the field in 33:46; the last tenth came in after 57:42.
| Age | Women | Men |
|---|---|---|
| Under 20 | 25:03 | 19:47 |
| 20-29 | 24:02 | 26:03 |
| 30-39 | 25:54 | 21:08 |
| 40-49 | 24:13 | 21:59 |
| 50-59 | 26:07 | 20:59 |
| 60-69 | 31:16 | 25:14 |
| 70+ | 41:58 | 27:41 |
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.
Up 32 percent since 2023.
All events combined, from official results.
From 2023 to 2025, the field went from 321 to 423 finishers, and the median time rose from 33:01 to 33:46.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2025 | 423 (+8%) | 33:46 | under 23:43 | 18:06 |
| 2024 | 390 (+21%) | 34:27 | under 23:54 | 16:08 |
| 2023 | 321 | 33:01 | under 23:51 | 17:07 |
From each year's official results for the 5K; virtual options are left out.
About average for New Jersey 5Ks
The fastest quarter of the 2025 5K field finished under 27:50, against 27:09 in a typical New Jersey 5K, so times here are about average.
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 October 4 the day usually runs from 55°F at dawn to 71°F in the afternoon, with measurable rain on about 17% of days. Cold snaps dip to 46°F and hot years reach 80°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 Eden Autism 5K & Fun Run/Walk cover on their registration page, in brief.
Rules and FAQ
What races are being offered this year? We have three different races: the 5K, the Fun Run/Walk, and the Virtual 5K. What time does each in-person race start? The 5K will begin at 9:00 am, and the Fun Run/Walk will begin immediately after…
The cause
The Eden Autism 5K & Fun Run/Walk is our largest annual fundraiser. All money raised during the event benefits services for children and adults with autism and their families. Since the inaugural race 22 years ago, the Eden Autism 5K has…
The cause
Celebrating 20 Years of Running For a Cause. In honor of our 20th race, we are offering special giveaways and fundraising incentives to thank our running community for two decades of support! Perks for All Races. The first 1,000 runners…
Organize this race? Add details or a correction
It's more than a race — it's an event that improves lives! Come run or walk to support children and adults with autism. You can sign up as an individual runner/walker or create a team and invite your friends!
Where:
2 Merwick Road, Princeton, NJ
USATF Certified Course
When:
Sunday, October 4, 2026
7:30 am: Same-day registration and festival open
9:00 am: 5K and Fun Run/Walk begin$40 pre-registration | $35 ages 5-17 | $35 USATF members | free for children 4 and under
$45 same-day registration
The first 1,000 people who register for any race will receive a long-sleeve running shirt, a finisher medal, and a goodie bag!