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| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| Sprint Triathlon | Sprint TriathlonOpen water swim | May 15, 20278:00 AM | $65$70 after Mar 14, 2027 | – |
| Triathlon Relay Team | Sprint TriathlonRelay or teamOpen water swim | May 15, 20278:00 AM | $100$105 after Mar 14, 2027 | – |
| Relay Duathlon Team | DuathlonRelay or team | May 15, 20278:05 AM | $90$95 after Mar 14, 2027 | – |
| Duathlon | Duathlon | May 15, 20278:10 AM | $65$70 after Mar 14, 2027 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
Online registration closes May 15, 2027, unless the race fills first.
Sunrise on race morning is at about 6:35 AM, and the Sprint Triathlon starts at 8:00 AM. The start sits about 590 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
6067 E Old Maple Ave, Terre Haute, IN 47803
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
National lists computed from results, entry fees, course maps and water temperatures; they refresh through the day.
Aggregated from official results (Champion Chip 247) for Thunder in the Valley. Individual finisher names are not stored here.
At the 2026 Sprint Triathlon, the fastest tenth finished in 1:10:13 or better, the top quarter in 1:22:14, and half the field in 1:31:21; the last tenth came in after 1:57:44.
At the 2026 Duathlon, the fastest tenth finished in 1:15:33 or better, the top quarter in 1:17:54, and half the field in 1:35:48; the last tenth came in after 2:34:40.
| Age | Women | Men |
|---|---|---|
| 20-29 | 1:58:56 | 1:12:18 |
| 30-39 | 1:36:45 | 1:20:11 |
| 40-49 | 1:41:48 | 1:10:38 |
| 50-59 | n/a | 1:22:44 |
| 60-69 | n/a | 1:22:45 |
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 2026.
At the 2026 Sprint Triathlon, the bike decided the most: the middle of the field lost about 8:38 to the top quarter there, 49% of the gap across the three legs.
Compared with a typical sprint triathlon in Indiana, the median swim here was 2:01 slower, the bike 2:31 slower and the run 1:23 slower (swim lengths differ from race to race).
| Leg | Top 10% | Top 25% | Median | Slowest 25% |
|---|---|---|---|---|
| Swim | 9:23 | 10:25 | 12:31 | 13:26+ |
| T1 | 1:37 | 2:14 | 3:32 | 4:29+ |
| Bike | 34:43 | 40:10 | 44:46 | 52:03+ |
| T2 | 0:59 | 1:09 | 1:44 | 2:24+ |
| Run | 21:10 | 24:53 | 29:37 | 31:44+ |
Each column ranks finishers on that leg alone, from the race's published results. T1 and T2 are transitions.
Compared with a typical duathlon in Indiana, the median bike here was 5:29 slower.
| Leg | Top 10% | Top 25% | Median | Slowest 25% |
|---|---|---|---|---|
| Bike | 41:42 | 44:18 | 54:11 | 1:07:46+ |
| Run | 24:48 | 25:01 | 32:21 | 44:58+ |
Each column ranks finishers on that leg alone, from the race's published results. T1 and T2 are transitions.
Down 10 percent since 2025.
All events combined, from official results.
From 2025 to 2026, the field went from 69 to 64 finishers, and the median time rose from 1:26:36 to 1:31:21.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2026 | 64 (-7%) | 1:31:21 | under 1:10:13 | 57:39 |
| 2025 | 69 | 1:26:36 | under 1:06:59 | 1:04:11 |
From each year's official results for the Sprint Triathlon; virtual options are left out.
About average for US sprint triathlons
The fastest quarter of the 2026 sprint triathlon field finished under 1:22:14, against 1:24:09 in a typical US sprint triathlon, 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 May 15 the day usually runs from 57°F at dawn to 76°F in the afternoon, with measurable rain on about 37% of days. Cold snaps dip to 48°F and hot years reach 85°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 Thunder in the Valley cover on their registration page, in brief.
Schedule and packet pickup
You can pick your packet up on Friday, May 8th from 5-7pm at Dogwood Shelter. Packet pickup will be May 9th from 6-7:30am. Please park in a parking lot and then come get your packet. You are not permitted to park alongside the road within…
Schedule and packet pickup
Transition will open at 6am and close at 7:40am. The sprint triathlon will start promptly at 8am with a swim in the Hawthorn Lake which is an out and back course. The duathlon will start at 8:10am on the road near the swim start. Awards…
Course
Swim Course. Bike Course. Run Course. Duathlon Run #1.
Course
Swim Course. Bike Course. Run Course. Duathlon Run #1.
Organize this race? Add details or a correction
USAT CERTIFIED EVENT
USAT membership will be required at registration or you can opt for a 1Day USAT race license.
Thunder in the Valley Triathlon is 41 years old in 2026. Athletes will also get top notch swag with custom die cast finisher medals and awards, swim caps, and a super cool Thunder in the Valley t-shirt.
Sprint Triathlon Distances 500Μ SWIM 20K BIKE 5K RUN
Duathlon Distances 1.6K RUN 20K BIKE 5K RUN