Source A
London Marathon - Date, Route, Latest News, Pictures, Video - The Mirror
mirror.co.uk
https://www.mirror.co.uk/all-about/london-marathon
Comparison
Winner: Tie
Both sources show similar manipulation risk. Compare factual evidence directly.
Source B
London Marathon would consider future date change due to climate change
aol.com
https://www.aol.com/articles/london-marathon-consider-future-date-104746956.html
Topics
Instant verdict
Less biased source: Tie
More emotional framing: Source A
More one-sided framing: Tie
Weaker evidence quality: Tie
More manipulative overall: Tie
Narrative conflict
Source A main narrative
Usually held in April, the 2021 race was held on Sunday October 3 because of the coronavirus pandemic.
Source B main narrative
I think you have to really look at health and safety and the temperatures and how you cool yourself down,” Brasher said on a media call, including The Independent.“ So there are a lot of different things.
Conflict summary
Stance contrast: Usually held in April, the 2021 race was held on Sunday October 3 because of the coronavirus pandemic. Alternative framing: I think you have to really look at health and safety and the temperatures and how you cool yourself down,” Brasher said on a media call, including The Independent.“ So there are a lot of different things.
Source A stance
Usually held in April, the 2021 race was held on Sunday October 3 because of the coronavirus pandemic.
Stance confidence: 50%
Source B stance
I think you have to really look at health and safety and the temperatures and how you cool yourself down,” Brasher said on a media call, including The Independent.“ So there are a lot of different things.
Stance confidence: 69%
Central stance contrast
Stance contrast: Usually held in April, the 2021 race was held on Sunday October 3 because of the coronavirus pandemic. Alternative framing: I think you have to really look at health and safety and the temperatures and how you cool yourself down,” Brasher said on a media call, including The Independent.“ So there are a lot of different things.
Why this pair fits comparison
- Candidate type: Likely contrasting perspective
- Comparison quality: 65%
- Event overlap score: 55%
- Contrast score: 73%
- Contrast strength: Strong comparison
- Stance contrast strength: High
- Event overlap: Story-level overlap is substantial. Issue framing and action profile overlap.
- Contrast signal: Stance contrast: Usually held in April, the 2021 race was held on Sunday October 3 because of the coronavirus pandemic. Alternative framing: I think you have to really look at health and safety and the temperatures and…
Key claims and evidence
Key claims in source A
- Usually held in April, the 2021 race was held on Sunday October 3 because of the coronavirus pandemic.
- The 2020 event was also in October, and only open to professional athletes.
- More than just one of the top five world marathon majors, the London Marathon is a celebratory sporting festival that attracts professional athletes, enthusiastic joggers and costume-wearing charity fundraisers from all…
Key claims in source B
- I think you have to really look at health and safety and the temperatures and how you cool yourself down,” Brasher said on a media call, including The Independent.“ So there are a lot of different things.
- Are we looking at this, and have we been looking at it for many years, and will continue to do so with proper data.“ So, absolutely, the world is heating up, and people go, well, would you move the London Marathon?
- Runners crossing Tower Bridge during the London Marathon (PA Archive)“You know, you really have to weigh up so many different factors in this,” Brasher added.
- So you've got to look at all of them.“ We have our plans at the moment, what with people being able to drink, douse themselves, drain and drop, we use all recycled plastic bottles.
Text evidence
Evidence from source A
-
key claim
Usually held in April, the 2021 race was held on Sunday October 3 because of the coronavirus pandemic.
A key claim that anchors the narrative framing.
-
key claim
The 2020 event was also in October, and only open to professional athletes.
A key claim that anchors the narrative framing.
Evidence from source B
-
key claim
I think you have to really look at health and safety and the temperatures and how you cool yourself down,” Brasher said on a media call, including The Independent.“ So there are a lot of di…
A key claim that anchors the narrative framing.
-
key claim
Are we looking at this, and have we been looking at it for many years, and will continue to do so with proper data.“ So, absolutely, the world is heating up, and people go, well, would you…
A key claim that anchors the narrative framing.
-
selective emphasis
So you've got to look at all of them.“ We have our plans at the moment, what with people being able to drink, douse themselves, drain and drop, we use all recycled plastic bottles.
Possible selective emphasis on specific aspects of the story.
Bias/manipulation evidence
-
Source B · Framing effect
So you've got to look at all of them.“ We have our plans at the moment, what with people being able to drink, douse themselves, drain and drop, we use all recycled plastic bottles.
Possible framing pattern: wording sets a specific interpretation frame rather than neutral description.
How score signals are formed
Bias score signal
Bias signal combines framing pressure, emotional wording, selective emphasis, and one-sided narrative markers.
Emotionality signal
Emotionality rises when evidence contains emotionally loaded wording and evaluative labels.
One-sidedness signal
One-sidedness rises when one frame dominates and alternative interpretations are weakly represented.
Evidence strength signal
Evidence strength rises with concrete claims, attributed statements, and verifiable contextual support.
Source A
26%
emotionality: 27 · one-sidedness: 30
Detected in Source A
framing effect
Source B
26%
emotionality: 25 · one-sidedness: 30
Detected in Source B
framing effect
Metrics
Framing differences
- Source A emotionality: 27/100 vs Source B: 25/100
- Source A one-sidedness: 30/100 vs Source B: 30/100
- Stance contrast: Usually held in April, the 2021 race was held on Sunday October 3 because of the coronavirus pandemic. Alternative framing: I think you have to really look at health and safety and the temperatures and how you cool yourself down,” Brasher said on a media call, including The Independent.“ So there are a lot of different things.
Possible omitted/downplayed context
- Review which economic and policy factors each source keeps outside focus.
- Check whether alternative explanations are acknowledged.