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If you would like to donate via text:

To donate £10 text the word TEN to 70011

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(UK ONLY) Texts cost your donation amount +1 std rate message. 100% of your donation will go to Comic Relief. You must be 16+ and have the bill payer’s permission.

For full terms and information on the registered charity, go to bbc.co.uk/jamie.

Image source, BBC / Comic Relief

Greg James
BBC Radio 1 Breakfast host

Everything pulling in the same direction is such an amazing thing, isn't it?

It's been a celebration of live radio, reaching millions of people, getting everyone tuned into the same thing - focusing on the same goal. A celebration of community and friendship.

It's fair to say this has been far from an easy stroll in the park for our inspirational Ultra Marathon Man.

Every part of Jamie's body, physically and mentally, has been put through the ringer since he set off on his challenge from Radio 1 HQ on Monday morning.

As they say, seeing is believing, so here's a selection of snaps of Jamie battling his way through the toughest of weeks.

Image source, Comic Relief

Image source, Comic Relief

Image source, Comic Relief

Image source, Comic Relief

Image source, Comic Relief

Here's Jamie's dad Nicholas filming our Ultra Marathon Man out on the road, pride written all over his face.

Watch the clip on Radio 1's Instagram here, external.

Sophie Habboo
Jamie Laing's wife

He's in so much pain. This whole thing has been unbelievable and I'm so proud of him, but he's absolutely broken.

His knee is so swollen. I'm actually not sleeping in his room because he needs to stretch out his legs. I was in his room this morning and he was crying his eyes out.

We're all here supporting him - we've just arrived at this pit stop and there's a whole school of young kids cheering him on.

I know he can do it! He won't let anyone down.

Jamie Laing
Radio 1's Ultra Marathon Man

We're at pit stop 1. We just had some brutal hills. Going up hills, oddly, is a little bit easier. Downhill is eight times the pressure on your knees, so I have to walk backwards down the hill. So I can't get into a rhythm.

When you can't get into a rhythm, your body is feeling more and more sick.

If you can donate, that's amazing. If you can't and just want to send a message, that's awesome.

Greg James
BBC Radio 1 Breakfast host

The moment we've all been waiting for is nearly upon us - Greg James is about to join Jamie for the next leg of his run in his matrimonial best.

Kind of awkward then, that Jamie's actual wife was just chatting to him on-air.

Greg: "It's kind of awkward that we're talking now because I'm about to finish the Breakfast Show and then make my way over to where you are in a wedding dress, where I'll be hanging out with your husband... if that's okay for you."

Sophie: "I cannot wait, I think you're going to look stunning. I can't wait to see it."

You can always rely on the Radio 1 listeners to bring humour to any situation - even Jamie's poor feet where his toenails have had better days after 4 ultra marathons.

As a Radio 1 listener commented: "Hey Jamie, all the best, and remember - toenails are for losers"

We apologise if you're just eating your breakfast.

By the end of Day 4, according to Jamie's fitness watch, he'd burned a total 14,894 calories. That's approximately 55 scotch eggs.

He'd covered over 120 miles.

He'd faced a total ascent of over 1800m. And those hills keep coming.

Image source, Comic Relief

We've pulled together the standout moments from a gruelling Day 4 into a new video.

It captures Jamie's emotional response to raising over £500k (a figure that's since been doubled!) and a finish line reunion with his dad.

Charlie Hedges
Presenter, BBC Radio 1

I can't get over what he's doing. The hills are hilly. The wind is windy.

I'm in complete shock. I've never met anyone like him.

He's had to walk the first 30 minutes, but that's the first time he's had to do that this entire week.

Right now, he's being forced to walk backwards because it's even more painful going downhill.

Greg James
BBC Radio 1 Breakfast host

It's the final day. I really think we can get that. You can just gauge it. People who don't normally listen to Radio 1 are messaging. Something special has happened here. It's the final day and people do tend to wait until the final day. That remains to be seen, but it's looking really good.

£1,000,315 raised for Comic Relief so far, an incredible feat.

And he still has a few more hours on the road to help inspire the nation.

Image source, Comic Relief / BBC

Jamie Laing
Radio 1's Ultra Marathon Man

We're in the middle of nowhere, on mountains basically.

Whoever planned this... I don't want to complain but this should have been the first day.

Jamie Laing loves the people of Matlock, but he really didn't like the hills.

Yesterday saw him moving on the road for a record 6 hours, 37 minutes. It was also his highest ascent, 551m in total.

See his detailed stats below:

Image source, Comic Relief

One of Jamie's main motivations for doing this challenge: He wants to inspire everyone around the country to open up if they're struggling.

A few years back, Jamie was bogged down by anxiety and didn't feel like he could talk to anyone about it.

But eventually, he phoned best mate Toby, and he no longer felt alone.

Jamie: "My friend Toby was the best man at my wedding. He was the guy I phoned up when I was in a bad space. I hadn’t told anybody I was feeling bad. He said, ‘Don’t worry, we’ll get through it together.’"

And today Toby is out on the road with Jamie, in a beautiful full circle moment.

Toby: "I honestly have no idea what to say. From me to you Jamie, from the moment you stepped into my life 17 years ago, you’ve made it better. You lighten everyone’s lives. I’ve been lucky to know that all this time, but you are one of a kind. Thank you for having me as a part of this."

We're not crying, you are.

Here's where Jamie is running today, starting in Buxton and going all the way to Salford.

Another epic run, but it's the last one of the week, and we know he can do it!

Image source, BBC / Comic Relief