Challenge walks in the UK range from anything over half marathon distance (13+ miles / 20+ kilometres) right up to ultra challenges over either a single day, weekend or longer.
They could well involve some undulations but aren't geared around a summit target.
To refine your search, click + on the blue filters.
If you would like to do this as a group and there are more than 15 of you, we can help you find a reputable organiser to sort everything out.
Simply complete the form below and we'll be in touch shortly.
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