Schedule and packet pickup
Event Schedule
Jan 8. Last day to register to guarantee shirt size. Jan 18. 7:30 AM Race Day Registration & Check-In Opens at race site. 8:30 AM Races START.
Chilly Willy 5K/10K/Half Marathon - Chattanooga 2027
- Date
- Sunday, January 17, 2027
- Start time
- 8:30 AM start (New York)
- Location
- Chattanooga, Tennessee
- Entry fee
- From $30 · goes up to $42.50 on Jan 10, 2027
- Included with entry
- Includes a shirt
- Fundraising
- Takes optional donations when you register
Register on RunSignup
Registration is open.
We earn a small commission when you register through this link, at no cost to you. Details
Official race websiteAdd to calendar: Apple or Outlook · Google
Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| 10K | 10K | Jan 17, 20278:30 AM | $40$42.50 after Jan 10, 2027 | – |
| 10K-No Shirt | 10K | Jan 17, 20278:30 AM | $35$37.50 after Jan 10, 2027 | – |
| 5K | 5K | Jan 17, 20278:30 AM | $35$37.50 after Jan 10, 2027 | – |
| 5K-No Shirt | 5K | Jan 17, 20278:30 AM | $30$32.50 after Jan 10, 2027 | – |
| Half Marathon | Half Marathon | Jan 17, 20278:30 AM | $60$62.50 after Jan 10, 2027 | – |
| Half Marathon-No Shirt | Other | Jan 17, 20278:30 AM | $55$57.50 after Jan 10, 2027 | – |
| Virtual 10KVirtual | 10K | Jan 17, 20278:30 AM | $36 | – |
| Virtual 5KVirtual | 5K | Jan 17, 20278:30 AM | $36 | – |
| Virtual Half MarathonVirtual | Half Marathon | Jan 17, 20278:30 AM | $36 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
Register on RunSignup
The 10K fee goes up to $42.50 on Jan 10, 2027.
Race day planning
Entry fee schedule
- 10K: $40 until Jan 9, then $42.50 until Jan 16, then $45 until Jan 17.
- 10K-No Shirt and 5K: $35 until Jan 9, then $37.50 until Jan 16, then $40 until Jan 17.
- 5K-No Shirt: $30 until Jan 9, then $32.50 until Jan 16, then $35 until Jan 17.
- Half Marathon: $60 until Jan 9, then $62.50 until Jan 16, then $65 until Jan 17.
Online registration closes Jan 17, 2027, unless the race fills first.
How the price compares
At $60, entry is about the same as a typical half marathon in Tennessee ($65).
What a typical finish looks like
A typical finisher at a half marathon in Chattanooga runs 2:13:50, about 10:13 a mile, based on 12 races with published results. Women typically finish in 2:19:01 and men in 2:04:30.
Light and altitude
Sunrise on race morning is at about 7:48 AM, and the 10K starts at 8:30 AM. The start sits about 780 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
Shelter #1 Tennessee Riverwalk, Chattanooga, TN 37406
The pin marks the address the race lists, which is usually the start. Course maps are the organizers' own.
2026 results
All results (2 years)5K
139
finishers
38:37
median (12:26 /mi)
20:00
winning time
62% / 38%
women / men
Half Marathon
37
finishers
2:02:39
median (9:21 /mi)
1:11:45
winning time
46% / 54%
women / men
10K
36
finishers
59:48
median (9:37 /mi)
37:52
winning time
50% / 50%
women / men
Aggregated from official results (Five Star NTP) for Chilly Willy 5K/10K/Half Marathon - Chattanooga. Individual finisher names are not stored here.
How fast do you need to be at Chilly Willy 5K/10K/Half Marathon - Chattanooga?
At the 2026 5K, the fastest tenth finished in 26:32 or better, the top quarter in 31:52, and half the field in 38:37; the last tenth came in after 51:55.
At the 2026 Half Marathon, the fastest tenth finished in 1:43:33 or better, the top quarter in 1:50:02, and half the field in 2:02:39; the last tenth came in after 2:25:17.
At the 2026 10K, the fastest tenth finished in 46:40 or better, the top quarter in 52:44, and half the field in 59:48; the last tenth came in after 1:07:23.
| Age | Women | Men |
|---|---|---|
| Under 20 | 33:37 | 24:20 |
| 20-29 | 30:36 | 26:31 |
| 30-39 | 28:56 | 26:43 |
| 40-49 | 28:54 | 31:49 |
| 50-59 | 38:46 | 39:47 |
| 60-69 | 39:29 | 38:41 |
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 88 percent since 2025.
113
2025
212
2026
All events combined, from official results.
Chilly Willy 5K/10K/Half Marathon - Chattanooga 5K year by year
From 2025 to 2026, the field went from 63 to 139 finishers, and the median time rose from 34:39 to 38:37.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2026 | 139 (+121%) | 38:37 | under 26:32 | 20:00 |
| 2025 | 63 | 34:39 | under 25:05 | 19:28 |
From each year's official results for the 5K; virtual options are left out.
How fast is it?
Slower than most Tennessee 5Ks
The fastest quarter of the 2026 5K field finished under 31:52, against 29:41 in a typical Tennessee 5K, so times here run 7 percent slower.
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.
Typical race-day weather
Around January 17 the day usually runs from 27°F at dawn to 48°F in the afternoon, with measurable rain on about 24% of days. Cold snaps dip to 18°F and hot years reach 59°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 Chilly Willy 5K/10K/Half Marathon - Chattanooga cover on their registration page, in brief.
Course
Course & Timing
The 5K & 10K are single out & backs and the Half is a double loop. Everything is pretty flat, so you're guaranteed a great net time. * The half is a double loop. 5K Course. 10K Course. Half Marathon Course. Water Stations. We will have…
Parking and travel
Parking
Shirt and medal
Entry & Registration Fees
Early Bird Registration: (ends 09/12): -5K: $30 (no shirt save $5). -10K: $35 (no shirt save $5). -Half Marathin: $55 (no shirt save $5). -Virtual Races: $30. Regular Registration: (ends 01/10): -5K: $35 (no shirt save $5). -10K: $40 (no…
Shirt and medal
Awards & Goodies
Awesome Custom Finisher Medals included for all of the finishers! We'll have awards in the following categories for all 3 races: Top 3 Overall M/F. Top 3 Overall Masters M/F. Top 3 Overall Sr. Masters. Top 3 Overall Grand Masters. Top 3 in…
Rules and FAQ
Event Courtesy & Refund Policy
Our events are designed to be fun for the entire family. With that in mind; any competitor, spectator, parent, volunteer, or sponsor, exhibiting unsportsmanlike. conduct or interfering with the positive, competitive atmosphere of the event…
Race details
- Where
- Shelter #1 Tennessee Riverwalk, Chattanooga, TN 37406Map
- Course
- Road
- Start elevation
- About 780 feet
- Included with entry
- Long Sleeve
- Donations
- Accepted when you register
- Distances
- 5K, 10K, Half Marathon, Other
- Editions
- 2027 (Jan 17, 2027), 2026 (Jan 18, 2026), 2025 (Jan 19, 2025)
Organize this race? Add details or a correction
Plan your race
Quick answers
- When is Chilly Willy 5K/10K/Half Marathon - Chattanooga?
- Sunday, January 17, 2027, starting at 8:30 AM.
- How much does it cost?
- Entry starts at $30 before processing fees, and rises to $42.50 on Jan 10, 2027.
- When does registration close?
- Online registration closes Jan 17, 2027, unless the race fills first.
- Is the entry fee high for Tennessee?
- At $60, entry is about the same as a typical half marathon in Tennessee ($65).
- 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, 10K, Half Marathon, Other.
- How big is it, and how fast?
- In 2026, 139 runners finished the 5K; the median finish was 38:37 and the winner ran 20:00.
- Is it a fast course?
- The fastest quarter of the 2026 5K field finished under 31:52, against 29:41 in a typical Tennessee 5K, so times here run 7 percent slower.
- Where does it start?
- Shelter #1 Tennessee Riverwalk, Chattanooga, TN 37406.
- Is there a course map?
- Yes, the organizers publish the route on MapMyRun; the link is under Start location and course.
From the organizers
Bundle up and get ready to race! The Chilly Willy 5K/10K/Half Marathon is the perfect way to kick off the new year with some frosty fun and a whole lot of miles. Whether you’re tackling the 5K, digging deep for the 10K, or braving the full Half Marathon, this winter-themed event brings runners together for a crisp, refreshing challenge that celebrates the season.
Every participant will earn a finisher medal, a well-deserved reward for braving the chill and crossing that finish line. We’ll also be presenting overall and age-group awards for each distance in the usual 5-year categories starting at 10 & under, giving runners of all ages a chance to shine.