Madison, WI · Sunday, September 12, 2027

    IRONMAN Wisconsin with a free coach.

    Tell your coach your goal. It builds your plan for this course and keeps it on track every week.

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    Hi! IRONMAN Wisconsin is 46 weeks out. What are you aiming for?

    Real answers from the real coach. No signup, no card.

    Build your IRONMAN Wisconsin plan

    Your coach opens with the IRONMAN Wisconsin set for September 12, 2027, asks about your week and your fitness, then writes every session of your full-distance (140.6) triathlon plan. Free, and you can start as a guest. About 46 weeks to go.

    Start your IRONMAN Wisconsin plan
    46 Race dayWeeks until race day September 12, 2027
    Formats
    140.6
    Terrain
    Hilly
    Taper starts
    August 25, 2027

    IRONMAN Wisconsin distances

    • 140.6 2.4 mi swim, 112 mi bike, 26.2 mi run

    Course

    The IRONMAN Wisconsin course

    The 2.4-mile swim is two clockwise laps of Lake Monona from a self-seeded rolling start, and you exit straight up the famous Helix, the spiral parking ramp of Monona Terrace, into T1. The 112-mile bike heads south and west out of Madison to two loops of Wisconsin farmland that are anything but flat, over climbs such as Old Sauk Pass, Timber Lane and Midtown Road where spectators cheer right beside you on the steepest pitches.

    Read the full course notes

    Verona's festival crowds greet you as you start the second loop, and the ride ends with one more climb up the Helix to the dismount line. The 26.2-mile run is two laps of downtown Madison: through Camp Randall Stadium, out along the UW Lakeshore Nature Reserve by University Bay and around the Capitol, on short hills that IRONMAN rates as hilly. You finish in the shadow of the State Capitol.

    Terrain
    Hilly
    Formats
    140.6
    Race-day conditions
    IRONMAN lists typical air temperatures of about 54 °F at the start rising to 82 °F, with highs of 78 to 86 °F in 2024–2026. Lake Monona averages about 75 °F (67–74 °F in recent years), close to the 76.1 °F wetsuit cutoff, so be ready to swim with or without one. Warm September afternoons on an exposed bike course make heat and fluid planning important.

    What to train for

    This is a strength course: the bike throws constant short, steep climbs at you and the run keeps rolling, so build hill strength, not just volume.

    Ride long hilly routes with repeated 1 to 3 minute climbs held at steady power, and resist the urge to surge when the crowds lift you on the steepest pitches.

    Practice gearing and seated climbing so your legs arrive fresh for the marathon, and include hilly long runs and weekly bricks. Because the water can land near the wetsuit cutoff, do some swims without a wetsuit.

    Sample week

    A sample IRONMAN Wisconsin training week

    A week from the middle of the build, about six weeks out. Your plan sets the real distances and paces from your own fitness and adjusts them every week as you train.

    1. Monday
      • Swim, 1 h 15 min: drills and technique
    2. Tuesday Key session
      • Bike, 1 h 30 min with climbing repeats
    3. Wednesday
      • Swim, 1 h 15 min: steady intervals at race effort
      • Easy run, 1 h
    4. Thursday Key session
      • Run, 1 h with tempo segments
    5. Friday
      • Rest, or 20 minutes of mobility
    6. Saturday Key session
      • Long ride, 5 h, then a 45 min run off the bike
    7. Sunday
      • Long run, 2 h 15 min easy

    Your build to race day

    Base 17 wk
    Build 15 wk
    Peak 11 wk
    Taper 3 wk

    Taper

    Tapering for the IRONMAN Wisconsin

    Start the taper two to three weeks before race day. Trim the volume in all three sports, keep short race-pace efforts in each, and do one last short brick so running off the bike still feels familiar. The course is hilly, so keep one short hill session in the first taper week to keep the climbs familiar. With the race on September 12, 2027, your taper starts around August 25, 2027.

    113 athletes joined in the first two weeks of October
    70% came back within their first week

    Also in Claude

    Ask Claude for this plan

    Add AthleteSpace to Claude once, then paste this prompt and put in your own numbers.

    Build me a full-distance (140.6) triathlon season for the IRONMAN Wisconsin on September 12, 2027. I train about [hours] hours a week, [days] days a week.

    IRONMAN Wisconsin training questions

    How long should I train for the IRONMAN Wisconsin?

    Most athletes give a full-distance (140.6) triathlon twenty-four to thirty weeks of focused training on top of an existing base. The coach counts back from your actual race date, so if you have less time than that it builds the best plan the remaining weeks allow rather than pretending you have longer.

    What is the IRONMAN Wisconsin course like?

    Hilly. The 2.4-mile swim is two clockwise laps of Lake Monona from a self-seeded rolling start, and you exit straight up the famous Helix, the spiral parking ramp of Monona Terrace, into T1.

    How cold is the water at the IRONMAN Wisconsin?

    IRONMAN lists typical air temperatures of about 54 °F at the start rising to 82 °F, with highs of 78 to 86 °F in 2024–2026. Lake Monona averages about 75 °F (67–74 °F in recent years), close to the 76.1 °F wetsuit cutoff, so be ready to swim with or without one. Warm September afternoons on an exposed bike course make heat and fluid planning important.

    When should I start tapering for the IRONMAN Wisconsin?

    Start the taper two to three weeks before race day. Trim the volume in all three sports, keep short race-pace efforts in each, and do one last short brick so running off the bike still feels familiar. The course is hilly, so keep one short hill session in the first taper week to keep the climbs familiar. With the race on September 12, 2027, your taper starts around August 25, 2027.

    Do I need an account to get a IRONMAN Wisconsin training plan?

    Start as a guest and save a free account later. Your coach writes your full-distance (140.6) triathlon plan and adapts it every week as you log your training. No card.

    Other races

    See you at the start line on September 12, 2027.

    Build the plan today. It adapts every week until race day.

    Race facts checked against the official site on October 15, 2026. Registration and official details: IRONMAN Wisconsin official site

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