3M3D 2026

The 3M3D is a weekend of trail running and racing in the tropical rainforests of Far North Queensland. Three Marathons. Three days. Three different courses. Do 1, 2 or 3 marathons over the weekend.

For details on the event, visit our website: https://3marathonsin3days.com/

For returning competitors: Transport options have changed.

You will not receive a refund or transfer on this entry, we recommend you pay for booking protection through XCover. It allows you (should you opt in) to claim the value of your entry fee directly from XCover should you not be able to attend the race for certain reasons.

Check your email junk folder if you don't get your confirmation email.

Entries close on 02 July 2026. Sorry, no late entries will be accepted.

Dynamic Running public liability insurance cover does not include travel and personal accident / personal injury insurance for competitors or volunteers. We recommend that you arrange your own personal accident / personal injury insurance to cover any unforeseen personal costs you may incur.

By progressing with this registration and payment you accept the rules and conditions listed in the Dynamic Running Ltd. Waiver/Participant Agreement.

A medal is included in your entry fee.

Click the 'View more' tab for additional information on the event
Dynamic Running Club members - register using the DYNAMIC RUNNING CLUB MEMBER tab(s). Your club membership must be current on race day to take advantage of the discounted race fees.

AUTRA members - register using the INDEPENDENT tab(s). At checkout, please use the promo code AUTRA2026 to receive your 10% discount on the standard entry fees. Excludes early bird entry period.

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Entry Options

3M3D Grand Slam INDEPENDENT ENTRY (9-11 July 2026)
3M3D Grand Slam DYNAMIC RUNNING CLUB MEMBER ENTRY (9-11 July 2026)
3M3D Marathon 1 only INDEPENDENT ENTRY (9 July 2026)
3M3D Marathon 2 only INDEPENDENT ENTRY (10 July 2026)
Cairns Marathon INDEPENDENT ENTRY (11 July 2026)
3M3D Marathon 1 only DYNAMIC RUNNING CLUB MEMBER ENTRY (9 July 2026)
3M3D Marathon 2 only DYNAMIC RUNNING CLUB MEMBER ENTRY (10 July 2026)
Cairns Marathon DYNAMIC RUNNING CLUB MEMBER ENTRY (11 July 2026)
VIRTUAL

Refunds

Refunds

No refund will be provided on the Race Registration Fees, with one exception: A 50% refund on the race entry fee can be requested in writing for the 3M3D Grand Slam via info@3marathonsin3days.com at least two months prior to race day. By progressing your registration and payment you accept the rules and conditions listed in the Dynamic Running Ltd. Waiver/Participant Agreement


You can manage your entries from the My Entries page.