2027 Mar 27 Sat
Registration open Closes Mar 26, 2027
Register Now Multisport Swim
Open Water Swim Challenge & Aquathlon
- Date
- Sunday, July 11, 2027
Jul 11 Sunday, 2027
Registration open· closes Jul 11, 2027 Register Now Registration links may earn us a small commission at no extra cost to you.
When and where is Open Water Swim Challenge & Aquathlon?
Open Water Swim Challenge & Aquathlon is on Sunday, July 11, 2027 in Cedar Hill, Texas. The first event starts at 6:00 AM local time. Distances: Multisport and Swim. Current entry fees run $30 to $65 on RunSignup, before processing fees. Online registration is open and closes Jul 11, 2027.
Events & distances
| Event | Distance | Start | Entry fee | Registration |
|---|---|---|---|---|
| Sprint Aquathlon | Multisport | Jul 11, 2027, 6:00 AM | $40.00 until Dec 31, 2026 | Opens Nov 1, 2026 · Closes Jul 11, 2027 |
| Sprint Aquathlon Relay | Multisport | Jul 11, 2027, 6:00 AM | $55.00 until Dec 31, 2026 | Opens Nov 1, 2026 · Closes Jul 11, 2027 |
| Olympic Aquathlon | Multisport | Jul 11, 2027, 6:00 AM | $50.00 until Dec 31, 2026 | Opens Nov 1, 2026 · Closes Jul 11, 2027 |
| Olympic Aquathlon Relay | Multisport | Jul 11, 2027, 6:00 AM | $65.00 until Dec 31, 2026 | Opens Nov 1, 2026 · Closes Jul 11, 2027 |
| Open Water Swim 750M | 750m | Jul 11, 2027, 6:00 AM | $35.00 until Dec 31, 2026 | Opens Nov 1, 2026 · Closes Jul 11, 2027 |
| Open Water Swim 1500M | 1500m | Jul 11, 2027, 6:00 AM | $35.00 until Dec 31, 2026 | Opens Nov 1, 2026 · Closes Jul 11, 2027 |
| Open Water Swim 2.4 Mile | 2.4 Miles | Jul 11, 2027, 6:00 AM | $45.00 until Dec 31, 2026 | Opens Nov 1, 2026 · Closes Jul 11, 2027 |
| USMS Wave 750m Swim - $20 discount when USMS# entered | 750m | Jul 11, 2027, 6:00 AM | $55.00 until Dec 31, 2026 | Opens Nov 1, 2026 · Closes Jul 11, 2027 |
| USMS Wave 1500m Swim - $20 discount when USMS# entered | 1500m | Jul 11, 2027, 6:00 AM | $55.00 until Dec 31, 2026 | Opens Nov 1, 2026 · Closes Jul 11, 2027 |
| USMS Wave 2.4M Swim - $20 discount when USMS# entered | 2.4 Miles | Jul 11, 2027, 6:00 AM | $65.00 until Dec 31, 2026 | Opens Nov 1, 2026 · Closes Jul 11, 2027 |
| Adaptive Athlete Open Water Swim 2.4 Mile | 2.4 Miles | Jul 11, 2027, 6:30 AM | $30.00 until Dec 31, 2026 | Opens Nov 1, 2026 · Closes Jul 11, 2027 |
| Adaptive 1500M Swim | 1500m | Jul 11, 2027, 6:30 AM | $30.00 until Dec 31, 2026 | Opens Nov 1, 2026 · Closes Jul 11, 2027 |
Fees shown are the RunSignup price tier in effect now, before processing fees. Times are local to the race.
About Open Water Swim Challenge & Aquathlon
Swim or Swim + Run!
From a short course swim/run to an iron distance swim - the Open Water Swim Challenge & Aquathlon has something for everyone!
Description provided by the race organizer via RunSignup.
Race data provided by RunSignup and refreshed every morning(last sync Nov 3, 2026). Registration happens on RunSignup; Lone Star Strides may earn a referral commission at no cost to you. Always confirm dates and details on the official race page.
More races near Cedar Hill
Other upcoming running events in this area.
2027 May 08 Sat
Registration open Closes May 8, 2027
Register Now 2027 Jun 19 Sat
Registration open Closes Jun 18, 2027
Register Now 2026 Nov 05 Thu
Registration open Closes Dec 10, 2026
Register Now Blog & Dispatch
Training and gear for race day
Gear ·
Garmin Forerunner 70 vs. 170: the $50 difference, and which first running watch to buy
Garmin’s Forerunner 70 ($249.99) and 170 ($299.99) share the same screen, coaching and heart-rate sensor. What the extra $50 buys, battery life, and which fits a first race.
Gear ·
Garmin Enduro 4 is out: 320 hours of GPS, a flashlight and grade-adjusted pace for Texas ultra season
Garmin’s Enduro 4 launched Oct. 6 at $899.99: battery life, grade-adjusted pace, the flashlight, ruck tools, and how it compares with the fēnix 9.
Training ·
Clocks fall back Nov. 1. Texas evening runners lose an hour of light; here is the plan
Daylight saving time ends Sunday, Nov. 1, 2026, and sunset in Houston, Dallas, Austin, San Antonio and El Paso jumps an hour earlier. Sunset times by city, what TxDOT and GHSA crash data say about walking at night, and a visibility checklist for runners.