Relentless: Week 4 | Double or Bust

Relentless: Week 4 | Double or Bust

  • Brief


  • Double your daily distance for 6-days

    For 6-days out of the 7 within the week you must achieve the distance specific to your level of entry, however, after each run, your next run must be double the distance. You may use your 1 day rest at any point within the week.


    Day 1 - 1km

    Day 2 - 2km

    Day 3 - 4km

    Day 4 - 8km

    Day 5 - 16km

    Day 6 - 32km


    Day 1 - 0.75km

    Day 2 - 1.5km

    Day 3 - 3km

    Day 4 - 6km

    Day 5 - 12km

    Day 6 - 24km


    Day 1 - 0.5km

    Day 2 - 1km

    Day 3 - 2km

    Day 4 - 4km

    Day 5 - 8km

    Day 6 - 16km


    Day 1 - 0.25km

    Day 2 - 0.5km

    Day 3 - 1km

    Day 4 - 2km

    Day 5 - 4km

    Day 6 - 8km


  • Submit each individual workout separately

    You must submit each individual workout to the submission form separately.

  • Set treadmill to 2.5%

    It is preferred that you tackle this challenge outside, however, if you are unable to do so and must use a treadmill, then the treadmill must be set at a 2.5% gradient.


  • Fitness Tracker

    Eg: Strava, Garmin, Fitbit...


Per Km

Per 1 km completed

Limited to the daily target




Before submitting, please make sure you have ready:

  • Challenge Entry Order Number

    Found on your Challenge Entry purchase confirmation email.

  • Weblink to Evidence

    Unfortunately, we do not yet have the technology to allow you to directly upload your evidence, so in order for you to submit your evidence we require you to submit a weblink to such evidence. There are a number of ways to get a weblink to your evidence, you can either:

    • Upload your evidence to our Team Rokman Facebook Group
    • Direct weblink to your fitness tracker activity
    • Share a link to download a screenshot of your evidence via a file-sharing website such as

Deadline: 7-Days

It is highly recommended that you complete the challenge within 7-days of its issue, however, we will accept submissions right up until 7-days after the end of the series. We will not accept submissions after this time.

Health & safety

This is a brutal physical challenge for which you are responsible for your own health and safety. It is imperative that you read through, understand and follow our health and safety guidelines before you embark on your challenge attempt. This list is only a guide. It is your responsibility to take the appropriate health and safety measures during the attempt of a challenge.

  • Consult a physician

    You should consult a physician before you begin any strenuous exercise program, such as the one described on this website, especially if you have or suspect that you may have heart disease, high blood pressure, diabetes, or any other adverse medical conditions. If you feel faint or dizzy at any time while performing any challenges or exercise, stop immediately and seek medical evaluation.  

  • Plan your route

    On running challenges, we strongly recommend planning your route with online running route planners. This leaves out the guesswork, allowing you to know the distance and elevation before you embark on the challenge.

  • Let others know

    When performing any challenge, we strongly recommend you let a friend or family member know what you are doing and where and when you are doing it and what time you are expected to return incase you face any difficulty.

  • Carry a mobile phone

    We strongly advice that you carry with you a fully charged mobile phone and back up battery if possible.

  • Bad weather

    Keep an eye on the weather forecast.

  • Nutrition and hydration

    You are responsible for your own nutrition and hydration as this is a self-disciplined event. Please ensure you have enough fluids and food or adequate access to these. Click here to read our guide on fuelling correctly for this challenge.

Help & Support

If you have any questions or queries please do not hesitate to get in touch.

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