What are the current expert recommendations for fueling during a first marathon when dealing with sensitive digestion and GI distress from gels?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
What are the current expert recommendations for fueling during a first marathon when dealing with sensitive digestion and GI distress from gels?
3 real searches · 1 real-search pass
2025 2026 sports nutrition consensus marathon carbohydrate intake 30 60 90 g per hour gut training gastrointestinal distress gels sensitive stomachGoogle ↗
OBSERVEDReason
sports dietitian recommendations marathon fueling GI distress gels alternatives drink mix chews real food low fiber low fat pre raceGoogle ↗
OBSERVEDComparison
International Society Sports Nutrition position stand carbohydrate exercise endurance 90 g per hour gut training gastrointestinal symptomsGoogle ↗
OBSERVEDInstruction
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (3)
Classes come from the query-classifier (a local Laya model). 3 of 3 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT3 real searches · gpt-6
2025 2026 sports nutrition consensus marathon carbohydrate intake 30 60 90 g per hour gut training gastrointestinal distress gels sensitive stomach Google ↗
sports dietitian recommendations marathon fueling GI distress gels alternatives drink mix chews real food low fiber low fat pre race Google ↗
International Society Sports Nutrition position stand carbohydrate exercise endurance 90 g per hour gut training gastrointestinal symptoms Google ↗
- nutrition nutrition GUIDE FUELING FOR PERFORMANCE · truesport.org
- The 4Ps framework of nutritional strategies for optimal performance | Performance Nutrition · link.springer.com
- Sports gels · ausport.gov.au
- Dietitians’ Tips to Fuel a Marathon With a Sensitive Stomach · runnersworld.com
- What To Eat Before a Marathon · health.clevelandclinic.org
- usada.org · usada.org
- Nutrition for Athletes: What to Eat Before a Competition · hopkinsmedicine.org
Queries
3 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
2025 2026 sports nutrition consensus marathon carbohydrate intake 30 60 90 g per hour gut training gastrointestinal distress gels sensitive stomach OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 | |
sports dietitian recommendations marathon fueling GI distress gels alternatives drink mix chews real food low fiber low fat pre race OBSERVED | Google ↗ AI Mode ↗ | — | Comparison | — | — | 1x of 1 | |
International Society Sports Nutrition position stand carbohydrate exercise endurance 90 g per hour gut training gastrointestinal symptoms OBSERVED | Google ↗ AI Mode ↗ | — | Instruction | — | — | 1x of 1 |