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.


Registration is open.
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| 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.
The 10K fee goes up to $42.50 on Jan 10, 2027.
Online registration closes Jan 17, 2027, unless the race fills first.
At $60, entry is about the same as a typical half marathon in Tennessee ($65).
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.
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.
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.
Aggregated from official results (Five Star NTP) for Chilly Willy 5K/10K/Half Marathon - Chattanooga. Individual finisher names are not stored here.
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.
Where a finish time would have placed in 2026.
Up 88 percent since 2025.
All events combined, from official results.
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.
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.
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.
What the organizers of Chilly Willy 5K/10K/Half Marathon - Chattanooga cover on their registration page, in brief.
Schedule and packet pickup
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.
Course
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
Shirt and medal
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
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
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…
Organize this race? Add details or a correction
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.