garmin.py

import time
from selenium import webdriver
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By

driver = webdriver.Firefox()
driver.set_window_size(1920,1080)

driver.get('https://connect.garmin.com/signin/')
time.sleep(2)

title = driver.title
assert title == "Garmin Connect | Sign In"

driver.implicitly_wait(1)

iframe = driver.find_element(By.ID, "gauth-widget-frame-gauth-widget")
driver.switch_to.frame(iframe)

driver.find_element(By.ID, value="username").send_keys("your_email")
driver.find_element(By.ID, value="password").send_keys("your_password")
driver.find_element(By.ID, "login-btn-signin").click()
time.sleep(2)

driver.get('https://connect.garmin.com/modern/activities')
time.sleep(5)
element = driver.find_element(By.XPATH, "//div[2]/ul/li[2]/div/div[2]/span").text

print(element)