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strava_analyze_activity.js
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javascript:(function(){
/* Strava Analysis Bookmarklet
* This bookmarklet extracts detailed ride data from a Strava activity page,
* formats it as JSON, and sends it to Claude for analysis.
*/
function extractData() {
function safeGet(selector, property = 'innerText', fallback = 'N/A', context = document) {
const element = context.querySelector(selector);
return element ? element[property].trim() : fallback;
}
function getTableData(selector) {
const table = document.querySelector(selector);
if (!table) return {};
const rows = table.querySelectorAll('tr');
const data = {};
rows.forEach(row => {
const th = row.querySelector('th');
const tds = row.querySelectorAll('td');
if (th && tds.length > 0) {
const key = th.innerText.trim();
if (tds.length === 1) {
data[key] = tds[0].innerText.trim();
} else if (tds.length >= 2) {
data[key] = {
avg: tds[0].innerText.trim(),
max: tds[1].innerText.trim()
};
}
}
});
return data;
}
const statsData = getTableData('.more-stats table');
const weatherData = {
condition: safeGet('.weather-stats .weather-stat:first-child .weather-label', 'innerText', 'N/A'),
temperature: safeGet('.weather-stats .weather-stat:nth-child(2) .weather-value', 'innerText', 'N/A'),
humidity: safeGet('.weather-stats .weather-stat:nth-child(3) .weather-value', 'innerText', 'N/A'),
feelsLike: safeGet('.weather-stats .weather-column:nth-child(2) .weather-stat:nth-child(1) .weather-value', 'innerText', 'N/A'),
windSpeed: safeGet('.weather-stats .weather-column:nth-child(2) .weather-stat:nth-child(2) .weather-value', 'innerText', 'N/A'),
windDirection: safeGet('.weather-stats .weather-column:nth-child(2) .weather-stat:nth-child(3) .weather-value', 'innerText', 'N/A')
};
function parseSauceInfo() {
const saucePanel = document.getElementById('sauce-infopanel');
if (!saucePanel) return 'Sauce info not available';
const selectedOption = saucePanel.querySelector('.drop-down-menu .selection')?.textContent.trim() || '';
const tableRows = saucePanel.querySelectorAll('table tr');
const sauceData = [`Selected Sauce Data: ${selectedOption}`];
tableRows.forEach(row => {
const cells = row.querySelectorAll('td');
if (cells.length === 2) {
const range = cells[0].textContent.trim();
const value = cells[1].textContent.trim();
sauceData.push(`${range}: ${value}`);
}
});
return sauceData.join('\n');
}
var data = {
activity: {
title: safeGet('h1.activity-name'),
type: safeGet('h2.text-title3 span.title', 'innerText', '').split('–')[1]?.trim() || 'N/A',
athlete: safeGet('h2.text-title3 span.title a'),
date: safeGet('time', 'innerText', '').split(' on ')[1] || 'N/A',
time: safeGet('time', 'innerText', '').split(' on ')[0] || 'N/A',
location: safeGet('span.location'),
description: safeGet('.activity-description-container .content'),
stats: {
distance: safeGet('.inline-stats li:nth-child(1) strong'),
movingTime: safeGet('.inline-stats li:nth-child(2) strong'),
elapsedTime: typeof statsData['Elapsed Time'] === 'string' ? statsData['Elapsed Time'] : 'N/A',
elevationGain: safeGet('.inline-stats li:nth-child(3) strong'),
relativeEffort: safeGet('.inline-stats li:nth-child(4) strong'),
weightedAveragePower: safeGet('.secondary-stats li:nth-child(1) strong'),
energyOutput: safeGet('.secondary-stats li:nth-child(2) strong'),
averageSpeed: statsData['Speed']?.avg || 'N/A',
maxSpeed: statsData['Speed']?.max || 'N/A',
averageHeartRate: statsData['Heart Rate']?.avg || 'N/A',
maxHeartRate: statsData['Heart Rate']?.max || 'N/A',
averageCadence: statsData['Cadence']?.avg || 'N/A',
maxCadence: statsData['Cadence']?.max || 'N/A',
averagePower: statsData['Power']?.avg || 'N/A',
maxPower: statsData['Power']?.max || 'N/A',
calories: typeof statsData['Calories'] === 'string' ? statsData['Calories'] : 'N/A'
},
weather: weatherData,
gear: safeGet('.gear-name'),
device: safeGet('.device'),
kudos: safeGet('[data-testid="kudos_count"]'),
comments: safeGet('[data-testid="comments_count"]'),
achievements: safeGet('footer.achievements'),
sauceInfo: parseSauceInfo(),
segmentEfforts: Array.from(document.querySelectorAll('#segments-container table.segments tbody tr:not(.hidden-segments)'))
.map(row => {
const name = safeGet('.name-col .name', 'innerText', 'N/A', row);
const stats = safeGet('.name-col .stats', 'innerText', 'N/A', row).replace(/\s+/g, ' ').trim();
const speedText = safeGet('td:nth-child(7)', 'innerText', 'N/A', row);
const powerText = safeGet('td:nth-child(8)', 'innerText', 'N/A', row);
const speed = parseFloat(speedText.replace(/[^\d.]/g, '')) || 0;
const power = parseFloat(powerText.replace(/[^\d.]/g, '')) || 0;
const time = safeGet('.time-col', 'innerText', 'N/A', row);
const achievement = row.querySelector('.achievement-col div');
const achievementTitle = achievement ? achievement.title : 'None';
const isStarred = row.querySelector('.starred-col .starred.active') !== null;
const hasAchievement = achievement !== null;
const isLocalLegend = row.querySelector('.local-legend-col').innerHTML.trim() !== '';
const climbCatElement = row.querySelector('.climb-cat-col span');
const climbCategory = climbCatElement ? climbCatElement.className.match(/icon-cat-([A-Za-z0-9]+)/)?.[1] || null : null;
const isCategorized = climbCategory !== null;
return {
name,
distance: safeGet('.stats span[title="Distance"]', 'innerText', 'N/A', row),
elevation: safeGet('.stats span[title="Elevation difference"]', 'innerText', 'N/A', row),
grade: safeGet('.stats span[title="Average grade"]', 'innerText', 'N/A', row),
time,
speed,
power,
intensity: safeGet('.effort-intensity .ei-value', 'innerText', 'N/A', row),
heartRate: safeGet('td:nth-last-child(2)', 'innerText', 'N/A', row),
stats,
achievement: achievementTitle,
isStarred,
hasAchievement,
isLocalLegend,
isCategorized,
climbCategory
};
})
.filter(segment => segment.name !== 'N/A')
}
};
return JSON.stringify(data, null, 2);
}
function sendToClaudeForAnalysis(jsonData) {
const prompt = "Analyze this Strava ride data and provide insights on the most notable achievements, interesting segments, and overall performance. Include any recommendations for improvement if applicable:";
const url = "https://claude.ai/new?q=" + encodeURIComponent(prompt + "\n\n" + jsonData);
window.open(url, '_blank');
}
var jsonData = extractData();
sendToClaudeForAnalysis(jsonData);
})();