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: Source A is less manipulative
Source A appears less manipulative than Source B for this narrative.
Source B
London Marathon 2026: Date, route, schedule, weather, prize money, how to watch, winners, more - ESPN
espn.com.au
https://www.espn.com.au/olympics/story/_/id/48538473/london-marathon-2026-date-route-schedule-weather-prize-money-how-watch-winners-more
Topics
Instant verdict
Less biased source: Source A
More emotional framing: Source B
More one-sided framing: Tie
Weaker evidence quality: Tie
More manipulative overall: Source B
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
This will be a different story compared to last year's marathon after organisers issued a heat alert.
Conflict summary
Stance contrast: Usually held in April, the 2021 race was held on Sunday October 3 because of the coronavirus pandemic. Alternative framing: This will be a different story compared to last year's marathon after organisers issued a heat alert.
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
This will be a different story compared to last year's marathon after organisers issued a heat alert.
Stance confidence: 74%
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: This will be a different story compared to last year's marathon after organisers issued a heat alert.
Why this pair fits comparison
- Candidate type: Closest similar
- Comparison quality: 46%
- Event overlap score: 14%
- Contrast score: 80%
- Contrast strength: Weak but valid compare
- Stance contrast strength: High
- Event overlap: Event overlap is weak. Overlap is inferred from broader contextual signals.
- Contrast signal: Interpretive contrast is visible, but event linkage is moderate: verify against primary sources.
- Why conflict is limited: Some contrast exists, but event linkage is weak: this is closer to an adjacent angle than a strong battle pair.
- Stronger comparison suggestion: This direct pair is weak: open conflict-mode similar search to pick a stronger contrast angle.
- Use stronger suggestion
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
- This will be a different story compared to last year's marathon after organisers issued a heat alert.
- The elite race coverage will begin at 8:30 a.m on BBC One and moves to BBC Two on 2 p.m.
- !$1 Runners will be making their way over Tower Bridge at mile 12.
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.
-
omission candidate
The elite race coverage will begin at 8:30 a.m on BBC One and moves to BBC Two on 2 p.m.
Possible context omission: Source A gives less emphasis to territorial control dimension than Source B.
Evidence from source B
-
key claim
The elite race coverage will begin at 8:30 a.m on BBC One and moves to BBC Two on 2 p.m.
A key claim that anchors the narrative framing.
-
key claim
This will be a different story compared to last year's marathon after organisers issued a heat alert.
A key claim that anchors the narrative framing.
-
selective emphasis
Getty The 2025 running saw Tigst Assefa set a record for a women's-only race, finishing with a timing of 2 hours, 15 minutes, 50 seconds.
Possible selective emphasis on specific aspects of the story.
Bias/manipulation evidence
-
Source B · Framing effect
Getty The 2025 running saw Tigst Assefa set a record for a women's-only race, finishing with a timing of 2 hours, 15 minutes, 50 seconds.
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
49%
emotionality: 95 · one-sidedness: 30
Detected in Source B
framing effect
Metrics
Framing differences
- Source A emotionality: 27/100 vs Source B: 95/100
- 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: This will be a different story compared to last year's marathon after organisers issued a heat alert.
Possible omitted/downplayed context
- Source A appears to downplay context related to territorial control dimension.