RACE DATE: 11-12 February 2023

DISTANCES: TUMMiler, TUM102, Bachcare TUM50, TUM21

START TIMES: 4:00am TUMMiler; 7:00am TUM102 and Bachcare TUM50; 10:00am TUM21

EVENT HUB: Lakefront Reserve, Lakefront Drive, Rotorua. View event hub map


Entries for 2023 are open!

Enter Now

ATHLETE CHECK-IN: 9am – 9pm Friday 10th February (all distances), 7am – 9am Saturday 11th February (TUM21 ONLY) – at the Lakefront Reserve.

You will need to provide photo ID (preferably a drivers licence or passport) and your mandatory gear/pre-inspection certificate to be issued with a race number, timing device and drop bag tag/s.

Entry Fees

Event Super Early Fee Early Fee
16 Jun - 11 Aug
Regular Fee
12 Aug - 24 Nov
Late Fee
25 Nov - 19 Jan
Super Late Fee
20 Jan - 10 Feb
TUMMiler Deferrals Only  $895.00 $930.00 $950.00 $965.00
TUM102 Deferrals Only  $485.00 $510.00 $525.00 $535.00
TUM50 Deferrals Only   $325.00 $350.00 $375.00 $390.00
TUM21 Deferrals Only $120.00 $140.00 $160.00 $170.00

Entry Fees Include

  • Race number
  • Timing device
  • Drop bag tag/s
  • Medical support/assistance
  • Buffet aid stations
  • Post-event recovery area at the finish area with food & drink vendors
  • Finishers medal (TUM102, Bachcare TUM50, TUM21)
  • Pounamu (carved from New Zealand jade stone) pendant (TUMMiler finishers only)
  • Athlete t-shirt (TUMMiler, TUM102, Bachcare TUM50 only)

Key Dates

16 June 2022 Entries open
20 November 2022 45% refundable entry ends
11 December 2022 Name tee cut off
29 December 2022 Free Deferral cut off (TUMMiler and TUM102 athletes only)
1 January 2023 22% refundable entry ends
1 January 2023 TUMMiler qualification closes
9 February 2023 Person to person transfers close at 5:00pm (NZST)

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Entry Policies


Completing a TUMMiler is a physically and mentally challenging event and participation in it requires significant training and preparation. For your health and safety, we require evidence of your ability to take part by meeting the qualification criteria below: 

  • Completion of a self-timed run, 50.00km or longer before 11:59pm (NZST)1 January 2023 The 50.00km must be completed within a 10-hour time period and a clean GPX recorded, OR;  

  • Completion of an official trail race, 50.00 km or longer between 11:59pm (NZST) 1 January 2021 and 1 January 2023. You must have finished within the final cut off time for that event. Your result must be for completion of that event. This means, for example, you cannot submit a result showing you made it 55km into a 100km race.  

  • You will need to submit a web link to your file/result (e.g. Strava Link or Official Race Website) when you sign up – or modify your entry profile at some later date to include that link. This must be completed before 11:59pm (NZST)1 January 2023. Failure to do before this date will result in your entry being cancelled.  

  • Race management reserves the right to reject any result deemed not meeting the above criteria.  

  • Failure to meet the qualification standard by 11:59pm (NZST) on 1 January 2023 will result in the automatic deferral of your entry into to the following year. You will not be permitted to participate in the 2023 Miler race. 


There is no pre-requisite of competing or finishing any trail running event to participate in the TUM102 race.

All participants of the TUM102 should be experienced in trail running, including sufficiently skilled and trained to undertake a trail run event. The course is tough, demanding and is remote in sections that can result in slower first aid / rescue response times. It is a combination of forestry roads, narrow walking tracks, farmlands, dirt, on rock and sections that are rough under foot.

It is the participants responsibility to ensure you are physically fit enough to complete the distance you have entered and monitor your health and condition during the event, including knowing when to withdraw from the event if you are no longer fit enough to continue.



Defer your entry fee to the 2024 Tawawera Ultra Marathon (to the same distance only) regardless of the reason. You must register on or before 11:59pm (NZST) 16 July 2022 to be eligible and submit a request on or before 11:59pm (NZST) 29 December2022.

Deferrals are only available for TUMMiler & TUM102 individual entries and athletes who elect to defer their entries forfeit any Athlete Withdrawal eligible refund. The Deferral Program is not available to athletes who have transferred or deferred into this event; or entered the event through the use of an Event Credit or partially paid a payment plan. All deferrals are final.

No deferrals are offered for the TUM50 or TUM21.


Please click here to submit your deferral request. 


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If you cannot participate in the event, entry fee refunds are available in accordance with the below stated Athlete Withdrawal dates only. After the stipulated dates, entry fees are non-refundable for withdrawals initiated by the athlete. Requests for refunds must be notified to the organiser in writing via email at taraweraultra@ironman.com


Where eligible, please allow up to 30 business days for your refund to be processed. The refund is automatically issued to the credit card originally used to pay for the registration. If this card has since been cancelled or has expired, it is the athlete’s responsibility to notify our customer service team when requesting the eligible refund.

20 November 2022 11:59pm (NZST)  45% of entry fee refundable for athlete withdrawal requests made up to 11:59pm (NZT) on this date. 
1 January 2023 11:59pm (NZST)  22% of entry fee refundable for athlete withdrawal requests made up to 11:59pm (NZT) on this date. No refunds for athlete withdrawals after this date.

* Any other additional purchases, already paid for on your behalf by IRONMAN to a third-party service provider such as Official Event Photographer photo packages, medal engraving, Squadrun training packages, shuttle bus tickets, BBQ Tickets are not refundable.

**Athletes who have deferred into this event from a previous year or transferred into this event from another event or entered the event through the use of an Event Credit or a partially paid payment plan are not eligible for athlete withdrawal refunds.   

Please note: This event takes place in Tarawera, Rotorua, New Zealand. It is each athlete’s sole responsibility to ensure that they can attend (including Race Check-In during specified times) and compete in the event on the day. Other than as provided for in the Athlete Withdrawal program set out above or the Enter with Confidence deferral options below, no further remedies will be provided for change of mind, change of personal circumstances, or injury.

If you decide to withdraw at the event after collecting your race kit at Check-In, please advise Event Information onsite. If you need to withdraw on race day, your details must be recorded by the Drop Out Clerk located at Event Information.

Transfer Your Entry to a Different Distance

Athletes can request to transfer their entry to a lesser or greater race distance up until such time as that race distance is sold out, subject to the following terms: 

  • To request a transfer from one race distance to another, athletes must log into their MyEvents account and select Change Category before 5:00pm (NZT) on 9 February 2023. After this date, such requests can only be made at the Help Desk at Athlete Check-in. 
  • Transferring to a greater distance: Where an athlete requests to transfer to a greater distance and space is available, the athlete is required to pay the difference in entry fees between the two distances. 
  • Transferring to a shorter distance: Where an athlete requests to transfer to a shorter distance and space is available, the difference in entry fees will not be refunded. 
  • Athletes on the payment plan, or deferred into this event, are required to contact taraweraultra@ironman.com to request a change in distance. 

Transfer Your Entry to Someone Else

Person-to-person transfers are currently unavailable due to the system being under maintenance. Thanks for your patience while we work through this, we aim to have transfers back up and running as soon as possible.

Athletes can transfer their race entry to someone else in accordance with the below stated Person to Person Transfer date. 

  • From 16 June 2022 to 5:00pm (NZST) Thursday 9 February 2023 a transfer fee of $55NZD including all fees and taxes will be charged to the withdrawing athlete. No person to person transfers accepted after this date. 
  • Athletes can formally transfer their entry to someone else within the same distance event already entered. 
  • Any other additional purchases, already paid for on your behalf by the Event Operator to a third-party service provider such as Official Event Photographer, medal engraving, Squadrun training packages, shuttle bus tickets, BBQ Tickets are not refundable and will not be transferred with your entry. 
  • It is not possible to transfer your entry to someone else who is wanting to do a different distance event (i.e. TUM102 to TUM50). 
  • To transfer an entry to someone else, the initial registrant must log in to their MyEvents account, select Transfer Registration and follow the necessary steps. Please note: the receiving athlete will be sent a link to complete the registration and will need to pay for the entry (at the current entry price) in order for the transfer to process, then the original athlete will be refunded their entry fee less the relevant transfer fee as outlined above, including all fees and taxes.  
  • Athletes on the payment plan, or deferred into this event, are required to contact taraweraultra@ironman.com to request a Person to Person transfer. 

**As stated in the Athlete Waiver, under no circumstance are you permitted to give your bib to another person. The safety of our athletes is paramount, therefore we need to ensure we have correct details of all our athletes on course. 


Payment Plan

TUMMiler and TUM102 Athletes 

Register on or before 11:59pm (NZST) 16 July 2022 to be eligible to pay your entry fee via the Payment Plan payment option. Payment Plan entries are subject to the following terms and contains: 

  • Both of the two (2) instalments must be paid in full for the athlete to be considered a race entry and to be eligible to race. 

  • Athlete Withdrawal options, including the deferral option,are not available to athletes with a partially paid payment plan. Athletes must be paid in full to access these Athlete Withdrawal options. 

  • This payment plan option is not a direct debit arrangement. Athletes are required to access their profile on or before the due date for Payment 2 and make this second payment. 

  • Payments are due as per the outlined dates below: 



  • Payment 1 of NZD$465 (inclusive of all fees and taxes) due at the time of registration (ends 11:59pm NZST on 16 July 2022) and 

  • Payment 2 of NZD$465 (inclusive of all fees and taxes) due 16 August 2022. You will receive a notice and steps on completing the payment on 11 August 2022  



  • Payment 1 of NZD$255 (inclusive of all fees and taxes) due at the time of registration (ends 11:59pm NZST on 16 July 2022) and 

  • Payment 2 of NZD$255 (inclusive of all fees and taxes) due 16 August 2022. You will receive a notice and steps on completing the payment on 11 August 2022 

Enter with confidence

Delivering events and travelling to events continues to be challenging due to the ongoing COVID-19 pandemic. We want to let you know your options if things don’t go to plan, so you can enter with confidence.

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If you can't attend the event due to International border closures

If international border closures prevent you from attending the event, you will be given a limited time opportunity to defer your entry to the following year, provided you notify us in the 30 days leading up to the event.

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If the event is rescheduled

If the event does not take place on 11-12 February 2023 for reasons relating to the COVID-19 pandemic, where possible, we will reschedule the event for a later date.

If this happens, you won’t need to do anything. Your event registration and any additional purchases will be automatically moved to the new event date.

If you can’t make the rescheduled event date, you will be given an opportunity to defer your entry to the following year.

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If the event can’t be rescheduled

If the event cannot be rescheduled, we will let you know as soon as we can.If this happens, you won’t need to do anything. Your event registration and any additional purchases will be automatically moved to the same event in 2024.