Schedule and packet pickup
Race Day Media
All participant photos and videos will be posted here following race day (06/07/2025).
Princeton Triathlon 2027
- Date
- Race weekend: Friday to Saturday, June 4 to 5, 2027
- Start time
- 5:00 PM start (New York)
- Location
- Princeton, New Jersey
- Entry fee
- From Free · goes up to $85 on Oct 19, 2026
- Included with entry
- Includes a shirt
- Fundraising
- Takes optional donations when you register
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Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| Friday, Jun 4, 2027 | ||||
| Youth Triathlon Clinic | Kids | Jun 4, 20275:00 PM | Free | – |
| Saturday, Jun 5, 2027 | ||||
| 5k Run | 5K | Jun 5, 20276:30 AM | See registration | – |
| Sprint Aquabike | Other | Jun 5, 20276:30 AM | $75$85 after Oct 19, 2026 | – |
| Sprint Duathlon | Other | Jun 5, 20276:30 AM | $80$90 after Oct 19, 2026 | – |
| Sprint Triathlon | Other | Jun 5, 20276:30 AM | $85$95 after Oct 19, 2026 | – |
| Sprint Triathlon Relay | Relay | Jun 5, 20276:30 AM | $110$130 after Oct 19, 2026 | – |
| SuperSprint Triathlon | Other | Jun 5, 20276:30 AM | $75$85 after Oct 19, 2026 | – |
| Youth Triathlon | Other | Jun 5, 20278:00 AM | $65 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
Register on RunSignup
The Other fee goes up to $85 on Oct 19, 2026.
Race day planning
Entry fee schedule
- Youth Triathlon Clinic: Free until Jun 4.
- Sprint Aquabike: $75 until Oct 18, then $85 until Jan 17, then $95 until Apr 25, then $110 until May 23, then $125 until Jun 5.
- Sprint Duathlon: $80 until Oct 18, then $90 until Jan 17, then $100 until Apr 25, then $115 until May 23, then $130 until Jun 5.
- Sprint Triathlon: $85 until Oct 18, then $95 until Jan 17, then $105 until Apr 25, then $120 until May 23, then $135 until Jun 5.
Online registration closes Jun 5, 2027, unless the race fills first.
What a typical finish looks like
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.
Light and altitude
Sunrise on race morning is at about 5:29 AM, and the Youth Triathlon Clinic starts at 5:00 PM. The start sits about 200 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
380 Witherspoon St, Princeton, NJ 08542
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
2026 results
All results (2 years)Sprint Triathlon
205
finishers
1:19:43
median (5:45 /mi)
52:44
winning time
32% / 68%
women / men
Youth Triathlon
103
finishers
27:50
median (7:18 /mi)
20:32
winning time
48% / 52%
women / men
SuperSprint Triathlon
92
finishers
50:34
median (7:02 /mi)
38:34
winning time
57% / 43%
women / men
Aggregated from official results (DQ Timing) for Princeton Triathlon. Individual finisher names are not stored here.
How fast do you need to be at Princeton Triathlon?
At the 2026 Sprint Triathlon, the fastest tenth finished in 1:05:37 or better, the top quarter in 1:12:34, and half the field in 1:19:43; the last tenth came in after 1:38:58.
At the 2026 Youth Triathlon, the fastest tenth finished in 22:21 or better, the top quarter in 24:11, and half the field in 27:50; the last tenth came in after 33:42.
At the 2026 SuperSprint Triathlon, the fastest tenth finished in 42:05 or better, the top quarter in 44:47, and half the field in 50:34; the last tenth came in after 1:03:11.
| Age | Women | Men |
|---|---|---|
| Under 20 | 1:16:34 | 1:01:40 |
| 20-29 | 1:21:16 | 1:04:19 |
| 30-39 | 1:15:16 | 1:01:46 |
| 40-49 | 1:14:18 | 1:03:10 |
| 50-59 | n/a | 1:07:43 |
| 60-69 | n/a | 1:20:49 |
Groups with fewer than five finishers are left out. Awards vary by race; check the race's rules.
What would my time get me?
Where a finish time would have placed in 2026.
Finishers by year
Up 95 percent since 2025.
220
2025
430
2026
All events combined, from official results.
Princeton Triathlon Other year by year
From 2025 to 2026, the field went from 142 to 205 finishers, and the median time rose from 41:32 to 1:19:43.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2026 | 205 (+44%) | 1:19:43 | under 1:05:37 | 52:44 |
| 2025 | 142 | 41:32 | under 34:42 | 28:24 |
From each year's official results for the Other; virtual options are left out.
Typical race-day weather
Around June 4 the day usually runs from 59°F at dawn to 80°F in the afternoon, with measurable rain on about 21% of days. Cold snaps dip to 51°F and hot years reach 89°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.
From the race's page
What the organizers of Princeton Triathlon cover on their registration page, in brief.
Course
Bike Course
Participants will bike out to Moore St before completing 2 loops (outlined in yellow), then biking back to transition. Youth triathlon athletes will only compete 1 loop.
Course
Course
The swim takes place in an olympic-sized outdoor pool, the bike will be contested on roads through historic Princeton, and the run will take place on a paved running path around a park. See below for detailed course maps. Distances can be…
Course
Full Course Description
Swim Course. Swimmers are to follow a "snake" pattern, swimming up and back within a large lap lane three times in a 50 meter pool for a total of 6 laps (300 meters). Youth triathletes will complete only 2 laps (100 meters). See the…
Course
Main Run Course
This run course will be used for all running legs excluding the first duathlon run and the youth triathlon run (both pictured below).
Awards
Awards
Award categories can be found on the event info page. Award designs will be revealed shortly.
Race details
- Where
- 380 Witherspoon St, Princeton, NJ 08542Map
- Course
- Road
- Start elevation
- About 200 feet
- Included with entry
- T-Shirt
- Donations
- Accepted when you register
- Distances
- 5K, Kids, Relay, Other
- Editions
- 2027 (Jun 4, 2027), 2026 (Jun 5, 2026), 2025 (Jun 7, 2025)
Organize this race? Add details or a correction
Plan your race
Quick answers
- When is Princeton Triathlon?
- It is a race weekend, Friday to Saturday, June 4 to 5, 2027: Kids on Friday; 5K, Other, Relay on Saturday.
- How much does it cost?
- Entry starts at Free before processing fees, and rises to $85 on Oct 19, 2026.
- When does registration close?
- Online registration closes Jun 5, 2027, unless the race fills first.
- Do runners get a shirt or medal?
- Entry includes a shirt, according to the race's registration page. Check it for sizes and whether kids' races get the same.
- Can I donate to a cause when I register?
- Yes. The registration form offers an optional donation, usually for the charity or nonprofit the race supports. The race's own page names the cause.
- What distances can I run?
- 5K, Kids, Relay, Other.
- How big is it, and how fast?
- In 2026, 205 runners finished the Sprint Triathlon; the median finish was 1:19:43 and the winner ran 52:44.
- Where does it start?
- 380 Witherspoon St, Princeton, NJ 08542.
From the organizers
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