2027 Hobart Marathon - Jan 3 Countdown

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Race Information

Race	2027 Hobart Marathon - Jan 3
City	Hobart (Claremont)
Date	2027-01-03 at 06:00
Field Size	~278 runners
Time Limit	No time limit
Timezone	Australia/Hobart
Official Site	Tas Athletics (Athletics Tasmania)
Registration	Register · 115 AUD

Race Day Weather

Average Temperature	17°C / 63°F
Humidity	65%
Wind	18 km/h
Rain Chance	25%
Typical Conditions	Early January is mid-summer in Tasmania, but Hobart stays mild and breezy compared with mainland Australia. The 6am start means a cool morning of around 12–15°C (54–59°F), climbing toward the low-20s°C by late morning. Average race-window temperature is about 17°C (63°F) with 65% humidity, a steady ~18 km/h breeze off the River Derwent, and a low ~25% chance of showers.

What to Prepare: Dress for a cool start that warms quickly: a singlet and shorts with arm sleeves you can strip mid-race works well. The Derwent foreshore is exposed, so expect a headwind on one direction of each lap. Hydrate early even though it feels cool — sun strengthens fast after 9am. Check your effort with the Weather Score tool.

Based on historical averages for race week. Use our Weather Score Calculator and What to Wear Guide for personalized advice.

Wind Impact on Race Day

Wind at 18 km/h can affect your marathon pace by 5-15 seconds per kilometer. Headwinds slow you down exponentially — a 20 km/h wind costs more than twice a 10 km/h wind.

Calculate your wind-adjusted pace →

Course Profile

Course Type	Two-lap loop (same start/finish at the Cadbury Factory)
Elevation Gain	30m
Terrain	Sealed road and foreshore path along the scenic River Derwent, passing the Cadbury Chocolate Factory and Bowen Bridge
Profile	Predominantly flat and fast, only ~30m total elevation gain — a genuine PB-friendly profile with no significant climbs
Boston Qualifier	Yes — Check your BQ time

Prepare for 2027 Hobart Marathon - Jan 3

Use our free training tools to get race-ready:

Running Pace Calculator — Min/km, Finish Time & Pace Chart

Free running pace calculator for 5K, 10K, half marathon, and marathon. Get min/km or min/mile, your ...

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Free Pace Band Generator — Printable Race Day Wristband

Free printable pace band for marathon, half marathon, or custom distance. Choose even, negative, or ...

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Marathon Wake-Up Time Calculator — Race Morning Timeline

7 AM race, wake at 3:45 AM? Enter the gun time; we work backward through meal, gear, bathroom, warm-...

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Wind Effect on Running — How Much Does Wind Slow You?

How much does a headwind actually slow you down? This free calculator turns wind speed and direction...

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Marathon Predictor — 5K, 10K & Half Marathon Race Predictor

Free marathon predictor — convert your 5K, 10K, or half marathon time into race-day estimates from R...

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Race Finish Time Calculator & Predictor — Free

Predict your race finish time from pace, or set a goal time to find required pace. Free instant calc...

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View all running tools

Frequently Asked Questions

When and where is the 2027 Cadbury Marathon?

The 2027 Cadbury Marathon is on Sunday 3 January 2027, with a 6:00 AM start. All events start and finish at the Cadbury Chocolate Factory in Claremont, about 15 km north of Hobart's city centre in Tasmania. It is one of Australia's longest-running marathons, first run in the early 1980s.

How do I register and what does it cost?

Entry is open with no ballot — you register online via Race Roster. Early-bird pricing of A$115 runs 1 June to 30 September, then regular pricing of A$125 applies from 1 October to 1 January. Online registration closes about two days before the race, and there are no on-the-day entries, so sign up in advance.

Is the Cadbury Marathon course flat and good for a PB?

Yes. The two-lap course runs predominantly flat alongside the River Derwent foreshore with only about 30 m of total elevation gain and no significant climbs. Combined with cool early-January morning temperatures, it is one of the more PB-friendly marathons in Australia. Plan your splits with the Negative Split Planner.

Is the Cadbury Marathon a Boston qualifier?

Yes, the Cadbury Marathon is run on a certified course and is Boston Marathon qualifying-eligible. Check your required finish time against the current standards with the Boston Qualifying calculator before you target it.

How big is the field?

It is a small, friendly event — the full marathon typically draws around 278 finishers. Half marathon, 10 km, 5 km fun run and a 1 km kids' event run alongside it, so the overall day is larger, but the marathon itself stays intimate and well-organised by Athletics Tasmania.

How do I get to the start at the Cadbury Factory?

The start is at the Cadbury Chocolate Factory in Claremont, roughly 15 km north of central Hobart. Hobart Airport connects to most mainland Australian cities; from the city, drive or take a Metro Tasmania bus toward Claremont. Allow extra time for the early 6am start — parking is available near the factory grounds.