Macmillan Events - registration

You're amazing

Thank you for choosing to register for the Chiltern 50 Ultra Challenge 2025

The information you give us below will be used to provide you with useful fundraising tips and support, and to pass on any information about the event.

Do you already have your own place?

To register for Team Macmillan for this event, you must have already secured your own place from the event organisers. If you do not already have a place in this event, please return to the official event website for more information on how to secure your place.

Yes, I have already secured my own place in the Chiltern 50 Ultra Challenge 2025 from the event organisers. *

1 Your details

Title

First name

Last name

UK Address Finder I'll enter it manually

Find my address

Organisation Name (optional)

Address line 1*

Address line 2 (optional)

Address line 3 (optional)

Town/City *

Phone Number

This is my *

Home

Work

Mobile

Company

If your company supports Macmillan we'd love to know so that we can support you in the right way.

Birth Date

2 This event

What distance would you like to do? *

Team Macmillan kit

We provide free kit to all our Team Macmillan participants.

Would you like to order a technical top?

Yes

If you've already got one you can use, please select 'No'

I would like a

T-shirt

Vest

In size *

Not sure? Check the size guide

T-shirt

Size	Women	Men
Small	Size 10	36-38
Medium	Size 12	39-41
Large	Size 14	42-44
X-Large	Size 16	45-46
XX-Large	Size 18	47-49
XXX-Large	Size 20	50-52

Vest

Size	Women	Men
X-Small	Size 8	34-36
Small	Size 10	36-38
Medium	Size 12	39-41
Large	Size 14	42-44
X-Large	Size 16	45-46
XX-Large	Size 18	47-49
XXX-Large	Size 20	50-52

In size *

Not sure? Check the size guide

T-shirt

Size	Women	Men
Small	Size 10	36-38
Medium	Size 12	39-41
Large	Size 14	42-44
X-Large	Size 16	45-46
XX-Large	Size 18	47-49
XXX-Large	Size 20	50-52

Vest

Size	Women	Men
X-Small	Size 8	34-36
Small	Size 10	36-38
Medium	Size 12	39-41
Large	Size 14	42-44
X-Large	Size 16	45-46
XX-Large	Size 18	47-49
XXX-Large	Size 20	50-52

We provide up to 6 iron on letters (that's all that fit!) for your top. Tell us what you would like to say using the green box below:

What is your motivation for taking part in this event?

I want to feel part of something bigger and spend time with others

I want to take on something challenging or exciting

I am doing it in memory of a loved one or giving back because a loved one has been affected

I have been supported by Macmillan or another charity and I want to give back

I want to feel I've made a difference

Other

Prefer not to say

How did you hear about us? *

If other, please tell us

Staying in touch

If you share any sensitive personal data with us (e.g. about health or cancer experience or anything else), we will use this for the purpose of completing your registration, understanding your motivation for taking part and to improve our events.

By submitting this form you consent to us using your details to provide you with information about the event you are entering.

We would like to stay in touch to tell you more about our services and other ways you can help, including opportunities to donate, share your story, volunteer or fundraise.

Please contact me by (please tick):

Phone

Text

Post

We promise to keep your details safe and never sell or swap them with anyone. Our privacy policy explains how we keep this promise. If you don't want to hear from us, or change your mind about how we contact you, email contact@macmillan.org.uk or call 0300 1000 200.

I understand that by ticking here, I have carefully reviewed and accept the terms and conditions for this event. *

Chiltern 50 Ultra Challenge 2025 registration form

You're amazing

Do you already have your own place?

1 Your details

2 This event

Team Macmillan kit

T-shirt

Vest

T-shirt

Vest

Staying in touch

About this site

Macmillan sites

Get in touch

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