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IRONMAN Chattanooga: 2027 race guide

Chattanooga, United States26 September 2027

Start trainingOfficial entry & details

IRONMAN Chattanooga is September 26, 2027. Check the organizer date, course-specific preparation and practical race-day planning.

Updated Oct 17, 2026 · Verified Oct 14, 2026

The race at a glance

Route and elevation

Official swim classification: River. Official bike profile: Rolling. Official run profile: Rolling. Use the current course maps and athlete guide for final elevation, aid, transition and cutoff details.

Race guide

Current edition update

The named full IRONMAN Chattanooga listing confirms September 26, 2027 and says registration is opening soon. This is separate from IRONMAN 70.3 Chattanooga; match the full distance before choosing an entry, plan or travel schedule.

Confirmed race date

IRONMAN Chattanooga: September 26, 2027. Verified on October 14, 2026 against the official event information.

2027 date status

A 2027 date for IRONMAN Chattanooga has not been verified here. The previously listed September 27, 2026 edition has passed.

The official organizer site remains the source for new announcements. No exact date, countdown or training start is supplied until a future edition is verified. This status is not a cancellation notice.

Final official-source checklist

Within race week, reopen the official event page and confirm date, venue, start procedure, entry status, course, rules, equipment, cutoffs and emergency guidance. Keep the current athlete guide available offline if the organiser provides one.

Further reading

Training plan and timing

Compare the start dates below, then choose a plan that fits your current training and available time.

46 weeks and 5 days remain until the listed 26 September 2027 race day.

  1. Start11 April 2027
  2. Build24 weeks
  3. Taper3 weeks
  4. Race day26 September 2027

24-week plan option

Compare 3 other plan lengths
  • 14-week plan
    Start by 20 June 2027
  • 16-week plan
    Start by 6 June 2027
  • 20-week plan
    Start by 9 May 2027
Explore training plans

Need a printable plan? Download the IRONMAN training plan PDF.

Race-day strategy

  • Keep bike effort controlled early, especially into wind or on climbs.
  • Use the bike to execute the fueling plan you rehearsed.
Open race calculators and tools
Loading 70.3 fueling planner…
IRONMAN time and split calculatorLong-course fueling plannerTraining start-date calculatorIRONMAN training plan PDF

Race-week logistics

Use the current organiser guide for schedules, transport, cutoffs, equipment, and other time-sensitive instructions.

Current details to confirm: start schedule, expo, bib pickup, transport, cutoffs, equipment rules, entry price.

Adaptive AI coach for iPhone

Your race deserves more than a static plan.

Your adaptive AI coach builds around this finish line, follows the training you complete, and adjusts upcoming work around recovery, travel, missed sessions, and race week.

Start training now

FAQs

When is this race?

The organizer lists September 26, 2027 for this event. Recheck the final participant guide for the represented distance’s start and travel details.

Is the 2027 date for this race confirmed here?

No exact future date has been verified on this page. The prior edition has passed; follow the official organizer for announcements before anchoring a training block.

Where is this race?

The official event page lists IRONMAN Chattanooga in Chattanooga, TN, United States. Confirm the venue address and access instructions on the current event page.

Is the course information for this race final?

The swim, bike and run labels come from the current official directory. Use the event's latest course maps and athlete guide for final route, elevation, cutoff and transition decisions.

Can a calculator predict my race result?

No. Calculators organize assumptions. Weather, terrain, venue flow, transitions, nutrition, health, crowding and late-race fatigue can change the result.

Keep going

2027 Race Calendar: Marathons, IRONMAN, 70.3 & HYROX

Compare 600 confirmed 2027 race dates by month: marathons, IRONMAN, IRONMAN 70.3 and HYROX, with official links and training-calendar guidance.

Open guide

IRONMAN Race Calendar and Athlete Guides

Browse 36 official-source IRONMAN events by date and place, then open athlete guides with training timelines, tools and verification notes.

Open guide

IRONMAN Training Plans: 24–32 Weeks

Choose a 24–32 week IRONMAN training plan using readiness, recovery, pacing, fueling and real-life schedule checks.

Open guide

Sources