{
  "activity_id": "21909006543",
  "name": "Brummen Fietsen",
  "date": "2026-02-18",
  "start_time": "2026-02-18 08:22:16",
  "sport": "cycling",
  "sport_group": "bike",
  "filename": "fit/2026/02/18/21909006543_ACTIVITY.fit",
  "original_source_filename": "21909006543_ACTIVITY.fit",
  "duration_seconds": 1899.441,
  "duration": "00:31:39",
  "distance_meters": 11996.17,
  "distance_km": 11.996,
  "heart_rate": {
    "avg": 121,
    "max": 134
  },
  "power": {
    "avg": null,
    "normalized": null,
    "max": null
  },
  "intensity_factor": null,
  "tss": null,
  "training_load": 26.43896484375,
  "training_effect": {
    "aerobic": 2.1,
    "anaerobic": 0.0
  },
  "elevation": {
    "ascent_meters": 43,
    "descent_meters": 49,
    "min_altitude_meters": 10.6,
    "max_altitude_meters": 31.2
  },
  "temperature_c": {
    "avg": 127.0,
    "min": null,
    "max": 127.0
  },
  "cadence": {
    "avg": null,
    "max": null
  },
  "calories": 293,
  "estimated_sweat_loss": null,
  "laps_intervals": [
    {
      "avg_cadence_position": [
        null,
        null
      ],
      "avg_heart_rate": 125,
      "avg_left_power_phase": [
        null,
        null,
        null,
        null
      ],
      "avg_left_power_phase_peak": [
        null,
        null,
        null,
        null
      ],
      "avg_power_position": [
        null,
        null
      ],
      "avg_right_power_phase": [
        null,
        null,
        null,
        null
      ],
      "avg_right_power_phase_peak": [
        null,
        null,
        null,
        null
      ],
      "end_position_lat": 621975702,
      "end_position_long": 71608320,
      "enhanced_avg_speed": 6.843,
      "enhanced_max_altitude": 30.399999999999977,
      "enhanced_max_speed": 8.659,
      "enhanced_min_altitude": 18.200000000000045,
      "event": "lap",
      "event_type": "stop",
      "intensity": "active",
      "lap_trigger": "distance",
      "max_cadence_position": [
        null,
        null
      ],
      "max_heart_rate": 134,
      "max_power_position": [
        null,
        null
      ],
      "message_index": 0,
      "sport": "cycling",
      "start_position_lat": 621662046,
      "start_position_long": 72176885,
      "start_time": "2026-02-18T07:22:16",
      "sub_sport": "generic",
      "timestamp": "2026-02-18T07:22:16",
      "total_ascent": 20,
      "total_calories": 131,
      "total_descent": 18,
      "total_distance": 5000.0,
      "total_elapsed_time": 730.637,
      "total_timer_time": 730.637,
      "unknown_145": 123,
      "unknown_155": 18,
      "unknown_27": 621975702,
      "unknown_28": 72178263,
      "unknown_29": 621648093,
      "unknown_30": 71608320
    },
    {
      "avg_cadence_position": [
        null,
        null
      ],
      "avg_heart_rate": 124,
      "avg_left_power_phase": [
        null,
        null,
        null,
        null
      ],
      "avg_left_power_phase_peak": [
        null,
        null,
        null,
        null
      ],
      "avg_power_position": [
        null,
        null
      ],
      "avg_right_power_phase": [
        null,
        null,
        null,
        null
      ],
      "avg_right_power_phase_peak": [
        null,
        null,
        null,
        null
      ],
      "end_position_lat": 622368293,
      "end_position_long": 71131794,
      "enhanced_avg_speed": 6.923,
      "enhanced_max_altitude": 31.200000000000045,
      "enhanced_max_speed": 9.201,
      "enhanced_min_altitude": 13.600000000000023,
      "event": "lap",
      "event_type": "stop",
      "intensity": "active",
      "lap_trigger": "distance",
      "max_cadence_position": [
        null,
        null
      ],
      "max_heart_rate": 131,
      "max_power_position": [
        null,
        null
      ],
      "message_index": 1,
      "sport": "cycling",
      "start_position_lat": 621976367,
      "start_position_long": 71607551,
      "start_time": "2026-02-18T07:34:27",
      "sub_sport": "generic",
      "timestamp": "2026-02-18T07:22:16",
      "total_ascent": 17,
      "total_calories": 113,
      "total_descent": 24,
      "total_distance": 5000.0,
      "total_elapsed_time": 722.243,
      "total_timer_time": 722.243,
      "unknown_145": 120,
      "unknown_155": 18,
      "unknown_27": 622368293,
      "unknown_28": 71607551,
      "unknown_29": 621976367,
      "unknown_30": 71112960
    },
    {
      "avg_cadence_position": [
        null,
        null
      ],
      "avg_heart_rate": 112,
      "avg_left_power_phase": [
        null,
        null,
        null,
        null
      ],
      "avg_left_power_phase_peak": [
        null,
        null,
        null,
        null
      ],
      "avg_power_position": [
        null,
        null
      ],
      "avg_right_power_phase": [
        null,
        null,
        null,
        null
      ],
      "avg_right_power_phase_peak": [
        null,
        null,
        null,
        null
      ],
      "end_position_lat": 622490274,
      "end_position_long": 71112999,
      "enhanced_avg_speed": 4.47,
      "enhanced_max_altitude": 15.399999999999977,
      "enhanced_max_speed": 8.23,
      "enhanced_min_altitude": 10.600000000000023,
      "event": "lap",
      "event_type": "stop",
      "intensity": "active",
      "lap_trigger": "session_end",
      "max_cadence_position": [
        null,
        null
      ],
      "max_heart_rate": 131,
      "max_power_position": [
        null,
        null
      ],
      "message_index": 2,
      "sport": "cycling",
      "start_position_lat": 622369084,
      "start_position_long": 71131812,
      "start_time": "2026-02-18T07:46:29",
      "sub_sport": "generic",
      "timestamp": "2026-02-18T07:22:16",
      "total_ascent": 6,
      "total_calories": 48,
      "total_descent": 7,
      "total_distance": 1996.17,
      "total_elapsed_time": 610.56,
      "total_timer_time": 446.561,
      "unknown_145": 67,
      "unknown_155": 11,
      "unknown_27": 622517979,
      "unknown_28": 71133802,
      "unknown_29": 622369084,
      "unknown_30": 71092971
    }
  ],
  "time_in_hr_zones_seconds": {
    "zone_1": 252.029,
    "zone_2": 1343.981,
    "zone_3": 268.004,
    "zone_4": 0.0,
    "zone_5": 0.0
  },
  "time_in_power_zones_seconds": null,
  "recovery_data_for_day": {
    "sleep_hours": 0.0,
    "sleep": {
      "day": "2026-02-18 00:00:00.000000",
      "start": null,
      "end": null,
      "total_sleep": "00:00:00.000000",
      "deep_sleep": "00:00:00.000000",
      "light_sleep": "00:00:00.000000",
      "rem_sleep": "00:00:00.000000",
      "awake": "00:00:00.000000",
      "avg_spo2": null,
      "avg_rr": null,
      "avg_stress": null,
      "score": null,
      "qualifier": null
    },
    "resting_hr": 59.0,
    "resting_hr_summary": {
      "day": "2026-02-18 00:00:00.000000",
      "rhr_avg": null,
      "rhr_min": null,
      "rhr_max": null
    },
    "body_battery": null,
    "training_readiness": null
  },
  "fit_parse_status": "ok"
}
