TRI-It Racing Clubs Du Kona Multi-sport Series 2027
- Date
- Saturday, October 2, 2027
- Start time
- 9:00 AM start (Chicago)
- Location
- Guthrie, Oklahoma
- Entry fee
- From $100 · goes up to $110 on Dec 30, 2026
- Included with entry
- Includes a shirt
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 |
|---|---|---|---|---|
| Beat Buzz Super Sprint | Super Sprint TriathlonSwim 200 yd · Bike 6 mi · Run 1 miOpen water swim | Oct 2, 20279:00 AM | $100$110 after Dec 30, 2026 | – |
| Duathlon | DuathlonRun 2 mi · Bike 18 mi · Run 2 mi | Oct 2, 20279:00 AM | $100$110 after Dec 30, 2026 | – |
| Sprint | Sprint TriathlonSwim 500 yd · Bike 18 mi · Run 3 miOpen water swim | Oct 2, 20279:00 AM | $100$110 after Dec 30, 2026 | – |
| Super Sprint Aquabike | AquabikeSwim 200 yd · Bike 6 miOpen water swim | Oct 2, 20279:00 AM | $100 | – |
| Youth Duathlon Under 12 (*FREE) | Duathlon | Oct 2, 20279:00 AM | Free | – |
| Youth Sprint Under 12 (*FREE) | Kids TriathlonOpen water swim | Oct 2, 20279:00 AM | Free | – |
| Youth Super Sprint Under 12 (*FREE) | Kids TriathlonOpen water swim | Oct 2, 20279:00 AM | Free | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
The Super Sprint Triathlon fee goes up to $110 on Dec 30, 2026.
Water temperature and wetsuits at TRI-It Racing Clubs Du Kona Multi-sport Series
Around October 2, Guthrie Lake typically runs about 75°F at the surface (72 to 79°F across 2011 to 2020). Wetsuits are usually legal, but in warmer years the water topped 78°F, when wearing one makes you ineligible for age-group awards.
A model estimate from the USGS lake temperature model (daily surface temperatures for US lakes), not a measurement. Wetsuit cutoffs are USA Triathlon age-group rules. The race's own water temperature reading on race morning decides.
Race day planning
Entry fee schedule
- Beat Buzz Super Sprint: $100 until Dec 30, then $110 until Apr 30, then $115 until Aug 30, then $120 until Oct 1.
- Duathlon and Sprint: $100 until Dec 30, then $110 until Apr 30, then $120 until Aug 30, then $130 until Oct 1.
- Super Sprint Aquabike: $100 until Oct 1.
- Youth Duathlon Under 12 (*FREE): Free until Sep 28.
Online registration closes Oct 1, 2027, unless the race fills first.
Light and altitude
Sunrise on race morning is at about 7:24 AM, and the Beat Buzz Super Sprint starts at 9:00 AM. The start sits about 950 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
1400 Lake Shore Dr, Guthrie, OK 73044
The pin marks the address the race lists, which is usually the start. Course maps are the organizers' own.
Where TRI-It Racing Clubs Du Kona Multi-sport Series ranks
- No. 5 of 50 on Cheapest duathlons in the US
National lists computed from results, entry fees, course maps and water temperatures; they refresh through the day.
2026 results
All results (2 years)Sprint
Beat Buzz Super Sprint
Duathlon
Aggregated from official results (TRI-It Race Timing) for TRI-It Racing Clubs Du Kona Multi-sport Series. Individual finisher names are not stored here.
How fast do you need to be at TRI-It Racing Clubs Du Kona Multi-sport Series?
At the 2026 Sprint, the fastest tenth finished in 1:28:36 or better, the top quarter in 1:34:58, and half the field in 1:44:39; the last tenth came in after 2:16:35.
At the 2026 Beat Buzz Super Sprint, the fastest tenth finished in 32:16 or better, the top quarter in 34:12, and half the field in 38:33; the last tenth came in after 56:46.
At the 2026 Duathlon, the fastest tenth finished in 1:40:28 or better, the top quarter in 1:42:15, and half the field in 1:48:14; the last tenth came in after 2:08:16.
What would my time get me?
Where a finish time would have placed in 2026.
Swim, bike and run splits at TRI-It Racing Clubs Du Kona Multi-sport Series
At the 2026 Sprint, the bike decided the most: the middle of the field lost about 8:40 to the top quarter there, 56% of the gap across the three legs.
Compared with a typical sprint triathlon in Oklahoma, the median swim here was 0:31 faster and the run 5:38 faster (swim lengths differ from race to race).
| Leg | Top 10% | Top 25% | Median | Slowest 25% |
|---|---|---|---|---|
| Swim | 9:06 | 10:45 | 11:40 | 12:56+ |
| Bike | 55:40 | 59:09 | 1:06:36 | 1:15:22+ |
| T2 | 0:27 | 0:44 | 0:53 | 1:21+ |
| Run | 21:15 | 22:55 | 25:28 | 30:19+ |
Each column ranks finishers on that leg alone, from the race's published results. T1 and T2 are transitions.
Finishers by year
Down 16 percent since 2025.
All events combined, from official results.
TRI-It Racing Clubs Du Kona Multi-sport Series Sprint Triathlon year by year
From 2025 to 2026, the field went from 34 to 26 finishers, and the median time dropped from 1:53:34 to 1:44:39.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2026 | 26 (-24%) | 1:44:39 | under 1:28:36 | 1:12:30 |
| 2025 | 34 | 1:53:34 | under 1:30:10 | 1:12:59 |
From each year's official results for the Sprint Triathlon; virtual options are left out.
Typical race-day weather
Around October 2 the day usually runs from 64°F at dawn to 86°F in the afternoon, with measurable rain on about 7% of days. Cold snaps dip to 56°F and hot years reach 91°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.
Race details
- Where
- 1400 Lake Shore Dr, Guthrie, OK 73044Map
- Course
- Road
- Start elevation
- About 950 feet
- Included with entry
- T-Shirt
- Distances
- Kids Triathlon, Super Sprint Triathlon, Sprint Triathlon, Duathlon, Aquabike
- Editions
- 2027 (Oct 2, 2027), 2026 (Oct 3, 2026), 2025 (Oct 4, 2025)
Organize this race? Add details or a correction
Quick answers
- When is TRI-It Racing Clubs Du Kona Multi-sport Series?
- Saturday, October 2, 2027, starting at 9:00 AM.
- How much does it cost?
- Entry starts at $100 before processing fees, and rises to $110 on Dec 30, 2026.
- When does registration close?
- Online registration closes Oct 1, 2027, unless the race fills first.
- Do athletes 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.
- What distances are offered?
- Kids Triathlon, Super Sprint Triathlon, Sprint Triathlon, Duathlon, Aquabike.
- How big is it, and how fast?
- In 2026, 26 athletes finished the Sprint; the median finish was 1:44:39 and the winner finished in 1:12:30.
- Where does it start?
- 1400 Lake Shore Dr, Guthrie, OK 73044.
- Is there a course map?
- Yes, the organizers publish the route on Plotaroute; the link is under Start location and course.
From the organizers
PLEASE NOTE: Race entry fees are non-refundable and non-transferable
Located at Mitchell Park - Guthrie Lake - 1400 Lake Shore Dr
This is the seventh year for this event
Always a great time of year to end your season and it is the last race of the year in the great state of Oklahoma (including KS, MO and AR)
Great lake (no wake) in a protected cove. This is the most spectator friendly swim in the state allowing the Athletes supporters to walk the shoreline for the entirety of the distance always knowing where they are. Great kayak support