Sun Legend


Sun Legend Summer Swim Challenge – A great motivator for your summer swimming! Work towards this award over the summer months and join our swim challenge community!

Part of our Summer Swim Challenge Series – this is one of our toughest challenges!

Complete 500km of swimming between 1st May and 30th September 2021.

Swimming can be completed in any location, pool or open water, wetsuit or non wetsuit – the choice is yours.

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If you add a frame it will be sent with your challenge awards when you complete your challenge.
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Sun Legend Swim Challenge Info

Part of our Summer Swim Challenge Series (other distance of 25km, 50km, 100km and Sun Master also available)

Complete 500km (500,000m/310 miles) of swimming between 1st May and 30th September 2021. The faster you complete your distance, the higher your position in the results table! The distance can be completed in any number of sessions between the official challenge dates. You can swim in a pool or in open water, indoors or outdoors, wetsuits or non-wetsuit - additional accessories such as gloves/boots etc are permitted. Wherever you love to swim!


For successful completion of this Sun Legend challenge you will receive a commemorative challenge coin with clear folding stand, a woven swim badge and an A6 completion certificate card which will be sent to you by post (postage is free within the UK).

Awards will be sent out within 14 days of you completing your challenge and submitting your final results.

Please Note: Awards are not guaranteed - they are sent only on successful completion of the challenge and submission of your results by the deadline.

Recording your results

You must keep your own records of all your swim details throughout the challenge period. Record the date, swim distance and swim time for each swim you do. You can submit on our website after each swim (see details below).

You can use a fitness watch or tracker such as a Garmin or on a fitness app to measure the distance/time of your swim. You may also record your swim details manually; at a swim venue they will likely provide you with information such as course/lane distance or you can estimate it using google maps for outdoor venues. These challenges rely on honesty and we expect all entrants to be honest with their own results.

If you swim at a NOWCA venue such as Race Hub in official sessions then your swim data including the distance, time, temperature of your swim are recorded on your NOWCA profile after each swim. You can retrieve this data by logging in to your personal swim page where a record of your swims can be found. We suggest that you check that your data has been recorded properly after each swim as technical or human errors cannot be corrected.

If you join a challenge after the start date, you can submit swims that you completed before you entered if they were completed after the challenge start date and met the conditions/rules of the challenge.

Submissions, Results and Receiving Awards.

You will use our online Sun Legend submissions form to inform us of your session details.  You will input the date of each swim, the distance swam and how long you swam for. You can submit after each swim, or you can submit swim details in batches. Our new system keeps a log of all your submissions and you will instantly see your total distance and current position in the results table. Our submissions system will also make it easy for you to submit your swim details to more than one challenge should you wish.

Information about how to submit can be found on the submissions page and also will be sent to you via email when you sign up and in a reminder email. The deadline for your final submissions is 5th October 2021.

Although we do send reminder emails, please do not rely solely on these as we cannot guarantee their delivery - submissions and deadlines are your responsibility. We suggest you add the deadlines for this challenge to your calendar.

The results table will be on the Sun Legend challenge page and also on the submissions page. The results position for the challenge is determined by time. All results are provisional until 14th October 2021. If you do not complete the challenge distance and submit before the deadline your results will be removed from the results table to allow positions to be shown accurately for completers.

Once you complete your 500km distance you cannot submit any more swims.

When you complete your challenge and want your awards to be sent to you, you will need to click the 'Challenge Complete' button after your final submission to send them for checking and approval. Your results will be checked and, if approved, your awards will be sent within 14 days. If there are any queries with your results eg duplications etc, we will email you to the email address registered on your account. 

Our challenges are honesty based and require you to accurately and honestly record and submit your own results.


All swimming for this Sun Legend swim challenge must be completed between 1st May and 30th September 2021 (inclusive). All results must be submitted online by 5th October 2021 - results submitted after this date will not be included in the results table and the awards will not be sent.

Other Challenges

If you enter other Challenge Co. swim challenges you are permitted to submit your swim details for more than one challenge (so long as the conditions for each of the challenges are met). You can enter as many of the Summer Swim Challenges as you like and you can chose to submit each swim you do for one or multiple challenges. Eg if you chose to do both the Solar 25 and the Sun Legend - you can chose whether to submit your first 25km swims for both challenges or whether to start again from 0 for the Sun Legend after completing the Solar 25.

If you join a challenge after the start date, you can submit swims that you completed before you entered if they were completed after the challenge start date and met the conditions/rules of the challenge.


IMPORTANT - this challenge should only be attempted by those completely confident that they are fit and well enough for the challenge requirements and have suitable equipment and support. We advise you get a medical check before starting the challenge. Please ensure that you are aware of the risks and challenges of swimming in your chosen format and location and take all necessary precautions to make sure you are safe whilst doing this activity. You must observe any local, national or venue specific rules and regulations during your activity. Please ensure that you follow safe swimming practices and have a plan in place for support and safety. All swimming for this challenge is at your own risk.

Please read our Swim Safety guide for tips of how to make sure you are safe whilst cycling.


See our FAQs on the INFO page.

Additional information


Solar 25, Solar 50, Solar 100, Sun Master, Sun Legend

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Submit results of each session using our online form. It only takes a few seconds! You can do this after each session, in batches (eg once per week), or all at the end of the challenge. We do send email reminders to submit each month over the challenge, however we cannot guarantee delivery of these emails and submitting by the deadline is your responsibility.

Results for Sun Legend Swim Challenge

This table is interactive. Click column headers to sort results by that criteria.

Position is determined by time. All results are provisional until the 14th October 2021.

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