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St. Peters, Missouri · USA
When is the next 370 Lakeside Triathlon Duathlon?
3 races · see start times below
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Some events have a finishing deadline or intermediate checkpoint cut-offs. These can vary by distance, start wave and edition.
No official finish time limit has been verified by AthRecs for this edition. This does not mean there is no cut-off.
Check organiser informationNo official finish time limit has been verified by AthRecs for this edition. This does not mean there is no cut-off.
Check organiser informationNo official finish time limit has been verified by AthRecs for this edition. This does not mean there is no cut-off.
Check organiser information370 Lakeside Triathlon Duathlon is a duathlon event in St. Peters, Missouri, United States. Recorded disciplines include Long (5/90/21), Sprint (5/20/5), Standard (10/40/5). The next listed date is Saturday, 11 September 2027. Check the organiser's information for entry and race-day arrangements.
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Sat, 11 Sept 2027
Official entry
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The next listed date for 370 Lakeside Triathlon Duathlon is 11 September 2027.
370 Lakeside Triathlon Duathlon is listed in St. Peters, Missouri, United States. Check the event's race-day instructions for the exact start location.
The programme listed for 11 September 2027 includes Sprint (5/20/5), Long (5/90/21), Standard (10/40/5).
Listed starts for 11 September 2027: Sprint (5/20/5): start time not yet verified; Long (5/90/21): start time not yet verified; Standard (10/40/5): start time not yet verified. Times are local to the race venue. Follow the start or wave assigned to your entry.
Use the listed entry options for your distance. Check the entry page for current availability, eligibility and deadlines.
Entry detailsVenue zone CDT
370 Lakeside Triathlon Duathlon is a duathlon event in St. Peters, United States. ATHRECS lists public facts so you can decide whether to enter — it is not the official athlete guide. Next date on ATHRECS is Sat, 11 Sept 2027.
A duathlon is run, bike, run. There is no swim. Transitions still decide the race — practise racking and a clean mount line.
Course maps, start lists, cut-offs, prices and eligibility live on the official page. We do not copy those documents. If a fact here disagrees with the organiser, the organiser is right.
Times are local to the venue (CDT). Parking and transit are ATHRECS estimates unless a postcode lookup is stored — confirm on the official page.
Sat, 11 Sept 2027
Race "Short Duathlon" on 2027-09-11 with legs run 5 km / run 5 km / bike 20 km listed on the USA Triathlon sanctioned-event page (governing body, checked 2026-11-09); the date also appears on the organiser's website. USAT sanction status at check: additional items needed. Local time America/Chicago.
370 Lakeside Triathlon Duathlon · Sprint (5/20/5)
2027-09-11 · Date-only reminder
Venue / race area: St. Peters, Missouri, United States
Race websiteDate-only reminder: start time to be confirmed.
Google and Outlook open a prepared event for you to save. Apple uses your private AthRecs race subscription. Download a one-off file only if you prefer to import it yourself.
Sat, 11 Sept 2027
Race "Long Duathlon" on 2027-09-11 with legs run 5 km / bike 90 km / run 21 km listed on the USA Triathlon sanctioned-event page (governing body, checked 2026-11-09); the date also appears on the organiser's website. USAT sanction status at check: additional items needed. Local time America/Chicago.
370 Lakeside Triathlon Duathlon · Long (5/90/21)
2027-09-11 · Date-only reminder
Venue / race area: St. Peters, Missouri, United States
Race websiteDate-only reminder: start time to be confirmed.
Google and Outlook open a prepared event for you to save. Apple uses your private AthRecs race subscription. Download a one-off file only if you prefer to import it yourself.
Sat, 11 Sept 2027
Race "Intermediate Duathlon" on 2027-09-11 with legs run 10 km / bike 40 km / run 5 km listed on the USA Triathlon sanctioned-event page (governing body, checked 2026-11-09); the date also appears on the organiser's website. USAT sanction status at check: additional items needed. Local time America/Chicago.
370 Lakeside Triathlon Duathlon · Standard (10/40/5)
2027-09-11 · Date-only reminder
Venue / race area: St. Peters, Missouri, United States
Race websiteDate-only reminder: start time to be confirmed.
Google and Outlook open a prepared event for you to save. Apple uses your private AthRecs race subscription. Download a one-off file only if you prefer to import it yourself.
Results have yet to be added for this race.
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