IRONMAN 70.3 Maine

Augusta, United States · July · IRONMAN

IRONMAN 70.3 Maine: aerial of the kennebec river and memorial bridge, augustaPhoto is not from race dayQuintin Soloviev, CC BY 4.0
aerial of the Kennebec River and Memorial Bridge, Augusta. Photo via Wikimedia Commons.

Why people love it

  • Fast downriver Kennebec swim that athletes rank among North America's best
  • Tough, scenic bike through Kennebec Valley towns that podium finishers loved
  • About 900 volunteers and a community that athletes call welcoming
  • Race-day parking right next to the venue

Watch out for

  • Hilly, technical bike with about 1,050 m (3,450 ft) of climbing over 90 km (56 mi)
  • Run has uneven grass and dirt sections and second-lap congestion
  • Augusta hotels sold out in 2022, with some price gouging reported
  • Wetsuit-optional rules and heat up to 32 °C (90 °F) can catch athletes out

Race

3.3Good

How racers feel about it, how well it is run, and how it treats a first timer. Counts for 27% of the overall score.

  • Racer satisfactionLoved3.7

    Mixed 2022 forum replies, but 2025 and 2026 coverage stresses a welcoming community and the Kennebec swim ranks among North America's best. · Medium confidence

  • OrganizationWell run3.9

    Replies called the 2022 race well run with easy parking beside the venue; 900 volunteers and 2,300 athletes in 2026. · Medium confidence

  • First timer friendlyDoable2.9

    Hilly, technical 90 km (56 mi) bike with about 1,050 m (3,450 ft) of climbing and an uneven run; the downriver swim helps. · Medium confidence

Course traits, not part of the score

  • PR potentialAverage2.7

    One poster said not a race for a PR; the 2025 men won in 3:56 on a bike they called their toughest. · Medium confidence

  • Course easeVery tough2.4

    Hilly technical bike of about 1,050 m (3,450 ft), uneven run surface and possible heat up to 32 °C (90 °F). · Medium confidence

Swim

3.7Very good

Wetsuit odds, water temperature, calm, and the experience of the start. Counts for 15% of the overall score.

  • Wetsuit legalUsually3.5

    Wetsuit-optional in 2022 and rules vary by year; no water temperature series found. · Low confidence

  • Water temperatureComfortable3.5

    Water temperature is not reported; a New England river in July is likely 19 to 23 °C (66 to 73 °F). · Low confidence

  • Calm waterMostly calm3.8

    River swim with a helpful tidal current and no chop reported; the rough 2019 swim was at the old Old Orchard Beach venue. · Medium confidence

  • Swim easeEasy4.2

    Straight downriver point-to-point swim with a current worth about 10 percent in speed. · Medium confidence

  • Swim experienceGreat4.0

    Athletes and IRONMAN rank the Kennebec among North America's best swims; fast downstream format. · Medium confidence

Bike

3.9Very good

Road surface, closures, scenery and wind. Counts for 19% of the overall score.

  • Road surfaceGood3.8

    Roads were reported in good shape in 2022. · Medium confidence

  • Road closuresMostly closed3.8

    Officers directed traffic and volunteers called turns; full closure is not confirmed. · Low confidence

  • Bike sceneryBeautiful3.9

    Tree-lined roads through Kennebec Valley towns. · Medium confidence

  • WindMostly calm3.6

    Calm in 2022; one rider noted a building headwind on the return to T2. · Low confidence

Course traits, not part of the score

  • Bike speedAverage2.6

    Hilly terrain, technical descents and railroad crossings; one poster said not a race for a PR. · Medium confidence

  • Bike flatnessRolling2.6

    One rider logged about 1,050 m (3,450 ft) over 90 km (56 mi), just above a typical hilly half. · Medium confidence

  • Bike simplicitySome technical parts2.7

    Technical descents into turns were noted in 2022 and again by 2025 podium finishers. · Medium confidence

Run

3.5Good

Crowds, aid stations, conditions underfoot and scenery. Counts for 13% of the overall score.

  • Crowd supportStrong3.9

    Double loop through downtown with good crowd support; athletes praise the community. · Medium confidence

  • Aid stationsGood3.8

    About 900 volunteers, and the race director names the community as the standout. · Medium confidence

  • Run sceneryPleasant3.4

    River trail and downtown, a modest setting. · Low confidence

  • Run conditionsModerate2.7

    Parking lots, grass and dirt sections, a hairpin and second-lap congestion in 2022; heat to 32 °C (90 °F) possible. · Medium confidence

Course traits, not part of the score

  • Run flatnessMostly flat3.7

    Described as flat by some, though it includes a steep grass hairpin; no gain published. · Medium confidence

Conditions

3.1Good

Air temperature, how predictable the weather is, setting, and spectating. Counts for 15% of the overall score.

  • Air temperatureWarm or cool3.4

    Cool, pleasant mornings in 2022, but one poster warned of 32 °C (90 °F) heat. · Low confidence

  • Weather reliabilityVariable3.4

    Calm in 2022; reports of heat and wind in other years. · Low confidence

  • Venue beautyPleasant3.2

    A modest state-capital setting rather than a destination. · Medium confidence

  • Spectator friendlyEasy3.8

    Double-loop run through town with several places to cheer. · Medium confidence

Course traits, not part of the score

  • Low altitudeSea level4.9

    Augusta is about 20 m (65 ft) above sea level. · High confidence

Stay and travel

2.3Below par

Hotels, walkability, getting there, and the town around the race. Counts for 11% of the overall score.

  • Hotel availabilitySells out early2.3

    Augusta hotels sold out in 2022 and some athletes stayed about 25 minutes away. · Medium confidence

  • Hotel valueNormal2.5

    Price gouging was reported in 2022. · Low confidence

  • WalkabilitySome driving3.3

    Parking is beside the site, but with hotels full many athletes drive about 25 minutes. · Low confidence

  • Travel easeOne connection2.7

    Portland airport is roughly 100 km (62 mi) away. · Low confidence

  • LogisticsSimple3.8

    Race village praised, race-day parking next door and a single swim-to-run site. · Medium confidence

  • Town and foodFine3.0

    Small state capital; no food reports found. · Low confidence

Key facts

Location
Augusta, Maine, United States
Typical month
July
Latest or next date
25 July 2027
Organiser
IRONMAN
Field size
About 2,300 athletes
First held
2016
Distances
1.9 km (1.2 mi) swim, 90 km (56 mi) bike, 21.1 km (13.1 mi) run
Swim venue
Kennebec River, Augusta (river)
Wetsuit
Optional
Swim start
wave
Swim laps
1
Bike climbing
1,050 m (3,440 ft)
Bike laps
1
Run laps
2
Run shade
some tree cover
Altitude
20 m (66 ft)
Nearest airport
Portland International Jetport (PWM), 100 km (62 mi) away
Where to stay
Augusta, Waterville, Gardiner, Hallowell
Booking
Augusta hotels sold out in 2022 with some price gouging reported; one racer stayed about 25 minutes away in Waterville. Airport distance approximate general knowledge.

Official race website (ironman.com)

What racers and reviewers say

  • Slowtwitch forumRaced 2022 · forum · Mixed

    First Augusta edition thread. Replies: fast tidal downriver swim, wetsuit-optional surprise, rolling bike hillier than expected (one rider about 3,450 ft / 1,050 m (3,440 ft)) with technical descents, run criticized for surfaces and congestion, well-run event, hotels sold out with some gouging.

    “"Not a race for a PR."”

    Fubar44 and repliers
  • Sun JournalRaced 2025 · article · Positive

    2025 coverage: course tours Chelsea to Hallowell; a podium finisher called the hilly technical bike by far the toughest he had done, and loved it. Fourth year in Augusta, not a pro race that year.

    “"by far the toughest course"”

    Sun Journal staff
  • Bangor Daily NewsRaced 2026 · article · Positive

    2026 preview: over 2,300 athletes from 45 states and 22 countries, 900 volunteers, 94% travelling in; participants stress the welcoming community and call the bike notoriously hard.

    “"the most encouraging, welcoming community out there"”

    Bangor Daily News
  • Fox23 MaineRaced 2026 · article · Positive

    Fifth annual Augusta edition: strong age-group fields, multi-language festive atmosphere, economic boost for Kennebec Valley businesses.

  • Sun Journal (contract extension)Raced 2023 · article · Positive

    Race kept in Augusta through 2027; 1,800+ starters from 28 countries in 2023; athletes ranked the Kennebec among the best swim courses in North America.

Show 1 more
  • Slowtwitch forum (Old Orchard Beach)Raced 2019 · forum · Positive

    First-time 70.3 report from the earlier Old Orchard Beach venue (not Augusta): rough ocean swim with pulls from the water, but well-marked scenic bike, friendly volunteers. Used only for brand-level organization feel.

    “"Really glad I did it."”

    YoMoGo

Sources

Pages we used for facts and ratings. See how we rate.

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