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Comparison

Winner: Source B is less manipulative

Source B appears less manipulative than Source A for this narrative.

Topics

Instant verdict

Less biased source: Source B
More emotional framing: Source A
More one-sided framing: Source A
Weaker evidence quality: Source A
More manipulative overall: Source A

Narrative conflict

Source A main narrative

Check out our pick of the best marathons around the world – or one of the races on any of the following data-backed lists, according to your budget and readiness to make things harder for yourself: The most af…

Source B main narrative

The 2027 London Marathon will see 100,000 people taking part in the capital's first-ever double marathon.

Conflict summary

Stance contrast: Check out our pick of the best marathons around the world – or one of the races on any of the following data-backed lists, according to your budget and readiness to make things harder for yourself: The most af… Alternative framing: The 2027 London Marathon will see 100,000 people taking part in the capital's first-ever double marathon.

Source A stance

Check out our pick of the best marathons around the world – or one of the races on any of the following data-backed lists, according to your budget and readiness to make things harder for yourself: The most af…

Stance confidence: 77%

Source B stance

The 2027 London Marathon will see 100,000 people taking part in the capital's first-ever double marathon.

Stance confidence: 59%

Central stance contrast

Stance contrast: Check out our pick of the best marathons around the world – or one of the races on any of the following data-backed lists, according to your budget and readiness to make things harder for yourself: The most af… Alternative framing: The 2027 London Marathon will see 100,000 people taking part in the capital's first-ever double marathon.

Why this pair fits comparison

  • Candidate type: Alternative framing
  • Comparison quality: 59%
  • Event overlap score: 43%
  • 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: Check out our pick of the best marathons around the world – or one of the races on any of the following data-backed lists, according to your budget and readiness to make things harder for yourself: The…

Key claims and evidence

Key claims in source A

  • Check out our pick of the best marathons around the world – or one of the races on any of the following data-backed lists, according to your budget and readiness to make things harder for yourself: The most affordable m…
  • Good For Age and Championship applicants will find out whether they’ve successfully secured a place in the 2027 London Marathon in October – and at this point, they'll also learn whether they’re racing on th…
  • The qualification period and times for Championship entries in the 2027 London Marathon are yet to be announced, so, again, keep your eyes peeled for more details later this year.
  • Since Good For Age places are awarded according to qualifying times achieved within a designated period, they also can’t be deferred (unless you are pregnant or postpartum at the time of the event).

Key claims in source B

  • The 2027 London Marathon will see 100,000 people taking part in the capital's first-ever double marathon.
  • The 2027 edition of the race will be run over two days for the first time.
  • It will take place on Saturday April 24 and Sunday April 25, allowing many more runners to participate.
  • The increased numbers will help tackle the demand for places, with 1.33 million people entering the ballot.

Text evidence

Evidence from source A

  • key claim
    The qualification period and times for Championship entries in the 2027 London Marathon are yet to be announced, so, again, keep your eyes peeled for more details later this year.

    A key claim that anchors the narrative framing.

  • key claim
    According to Brasher, Good For Age and Championship applicants will find out whether they’ve successfully secured a place in the 2027 London Marathon in October – and at this point, they'll…

    A key claim that anchors the narrative framing.

  • selective emphasis
    Check out our pick of the best marathons around the world – or one of the races on any of the following data-backed lists, according to your budget and readiness to make things harder for y…

    Possible selective emphasis on specific aspects of the story.

Evidence from source B

  • key claim
    The 2027 London Marathon will see 100,000 people taking part in the capital's first-ever double marathon.

    A key claim that anchors the narrative framing.

  • key claim
    The 2027 edition of the race will be run over two days for the first time.

    A key claim that anchors the narrative framing.

  • framing
    In the London Marathon MyWay, runners have the full day to complete the race - but the distance must be completed outdoors and cannot be completed on a treadmill.

    Wording that sets an interpretation frame for the reader.

  • selective emphasis
    Runners make their way down The Mall to the final stages of the 2026 London Marathon (AFP/Getty)Everyone who entered the 2027 ballot was automatically included in a random draw for both day…

    Possible selective emphasis on specific aspects of the story.

  • omission candidate
    Check out our pick of the best marathons around the world – or one of the races on any of the following data-backed lists, according to your budget and readiness to make things harder for y…

    Possible context omission: Source B gives less emphasis to economic and resource context than Source A.

Bias/manipulation evidence

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

34%

emotionality: 29 · one-sidedness: 35

Detected in Source A
false dilemma

Source B

26%

emotionality: 25 · one-sidedness: 30

Detected in Source B
framing effect

Metrics

Bias score Source A: 34 · Source B: 26
Emotionality Source A: 29 · Source B: 25
One-sidedness Source A: 35 · Source B: 30
Evidence strength Source A: 64 · Source B: 70

Framing differences

Possible omitted/downplayed context

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