{
  "activity_id": "22665301950",
  "name": "Brummen - W2 hardlopen",
  "date": "2026-04-26",
  "start_time": "2026-04-26 13:07:47",
  "sport": "running",
  "sport_group": "run",
  "filename": "fit/2026/04/26/22665301950_ACTIVITY.fit",
  "original_source_filename": "22665301950_ACTIVITY.fit",
  "duration_seconds": 1790.69,
  "duration": "00:29:51",
  "distance_meters": 5140.1,
  "distance_km": 5.14,
  "heart_rate": {
    "avg": 139,
    "max": 153
  },
  "power": {
    "avg": 334,
    "normalized": 336,
    "max": 425
  },
  "intensity_factor": null,
  "tss": null,
  "training_load": 89.10198974609375,
  "training_effect": {
    "aerobic": 3.2,
    "anaerobic": 0.0
  },
  "elevation": {
    "ascent_meters": 6,
    "descent_meters": 6,
    "min_altitude_meters": 13.6,
    "max_altitude_meters": 19.8
  },
  "temperature_c": {
    "avg": 24,
    "min": 22.0,
    "max": 28
  },
  "cadence": {
    "avg": 85,
    "max": 91
  },
  "calories": 397,
  "estimated_sweat_loss": null,
  "laps_intervals": [
    {
      "avg_cadence_position": [
        null,
        null
      ],
      "avg_fractional_cadence": 0.9296875,
      "avg_heart_rate": 124,
      "avg_left_power_phase": [
        null,
        null,
        null,
        null
      ],
      "avg_left_power_phase_peak": [
        null,
        null,
        null,
        null
      ],
      "avg_power": 337,
      "avg_power_position": [
        null,
        null
      ],
      "avg_right_power_phase": [
        null,
        null,
        null,
        null
      ],
      "avg_right_power_phase_peak": [
        null,
        null,
        null,
        null
      ],
      "avg_running_cadence": 83,
      "avg_stance_time": 267.2,
      "avg_step_length": 1024.2,
      "avg_temperature": 27,
      "avg_vertical_oscillation": 86.5,
      "avg_vertical_ratio": 8.46,
      "end_position_lat": 621585961,
      "end_position_long": 72193870,
      "enhanced_avg_speed": 2.872,
      "enhanced_max_altitude": 20.200000000000045,
      "enhanced_max_speed": 3.051,
      "enhanced_min_altitude": 17.600000000000023,
      "event": "lap",
      "event_type": "stop",
      "intensity": "warmup",
      "lap_trigger": "distance",
      "max_cadence_position": [
        null,
        null
      ],
      "max_fractional_cadence": 0.5,
      "max_heart_rate": 138,
      "max_power": 375,
      "max_power_position": [
        null,
        null
      ],
      "max_running_cadence": 87,
      "max_temperature": 28,
      "message_index": 0,
      "normalized_power": 343,
      "sport": "running",
      "start_position_lat": 621678226,
      "start_position_long": 72148523,
      "start_time": "2026-04-26T11:07:47",
      "sub_sport": "generic",
      "timestamp": "2026-04-26T11:07:47",
      "total_ascent": 1,
      "total_calories": 72,
      "total_descent": 0,
      "total_distance": 1000.0,
      "total_elapsed_time": 348.16,
      "total_strides": 487,
      "total_timer_time": 348.16,
      "total_work": 117687,
      "wkt_step_index": 0,
      "unknown_124": 26,
      "unknown_145": 96,
      "unknown_152": 49,
      "unknown_155": 8,
      "unknown_161": 2894,
      "unknown_27": 621678226,
      "unknown_28": 72193870,
      "unknown_29": 621585961,
      "unknown_30": 72148518
    },
    {
      "avg_cadence_position": [
        null,
        null
      ],
      "avg_fractional_cadence": 0.4765625,
      "avg_heart_rate": 136,
      "avg_left_power_phase": [
        null,
        null,
        null,
        null
      ],
      "avg_left_power_phase_peak": [
        null,
        null,
        null,
        null
      ],
      "avg_power": 322,
      "avg_power_position": [
        null,
        null
      ],
      "avg_right_power_phase": [
        null,
        null,
        null,
        null
      ],
      "avg_right_power_phase_peak": [
        null,
        null,
        null,
        null
      ],
      "avg_running_cadence": 85,
      "avg_stance_time": 269.1,
      "avg_step_length": 963.2,
      "avg_temperature": 25,
      "avg_vertical_oscillation": 83.6,
      "avg_vertical_ratio": 8.68,
      "end_position_lat": 621502438,
      "end_position_long": 72171482,
      "enhanced_avg_speed": 2.739,
      "enhanced_max_altitude": 20.399999999999977,
      "enhanced_max_speed": 2.93,
      "enhanced_min_altitude": 17.399999999999977,
      "event": "lap",
      "event_type": "stop",
      "intensity": "warmup",
      "lap_trigger": "distance",
      "max_cadence_position": [
        null,
        null
      ],
      "max_fractional_cadence": 0.0,
      "max_heart_rate": 138,
      "max_power": 346,
      "max_power_position": [
        null,
        null
      ],
      "max_running_cadence": 87,
      "max_temperature": 26,
      "message_index": 1,
      "normalized_power": 323,
      "sport": "running",
      "start_position_lat": 621585703,
      "start_position_long": 72194120,
      "start_time": "2026-04-26T11:13:36",
      "sub_sport": "generic",
      "timestamp": "2026-04-26T11:07:47",
      "total_ascent": 1,
      "total_calories": 80,
      "total_descent": 0,
      "total_distance": 1000.0,
      "total_elapsed_time": 365.074,
      "total_strides": 519,
      "total_timer_time": 365.074,
      "total_work": 117417,
      "wkt_step_index": 0,
      "unknown_124": 24,
      "unknown_145": 102,
      "unknown_152": 75,
      "unknown_155": 9,
      "unknown_161": 2748,
      "unknown_27": 621585703,
      "unknown_28": 72221799,
      "unknown_29": 621502438,
      "unknown_30": 72171482
    },
    {
      "avg_cadence_position": [
        null,
        null
      ],
      "avg_fractional_cadence": 0.7265625,
      "avg_heart_rate": 141,
      "avg_left_power_phase": [
        null,
        null,
        null,
        null
      ],
      "avg_left_power_phase_peak": [
        null,
        null,
        null,
        null
      ],
      "avg_power": 337,
      "avg_power_position": [
        null,
        null
      ],
      "avg_right_power_phase": [
        null,
        null,
        null,
        null
      ],
      "avg_right_power_phase_peak": [
        null,
        null,
        null,
        null
      ],
      "avg_running_cadence": 86,
      "avg_stance_time": 261.4,
      "avg_step_length": 1005.5,
      "avg_temperature": 23,
      "avg_vertical_oscillation": 83.8,
      "avg_vertical_ratio": 8.33,
      "end_position_lat": 621569886,
      "end_position_long": 72159939,
      "enhanced_avg_speed": 2.927,
      "enhanced_max_altitude": 19.799999999999955,
      "enhanced_max_speed": 3.331,
      "enhanced_min_altitude": 15.799999999999955,
      "event": "lap",
      "event_type": "stop",
      "intensity": "active",
      "lap_trigger": "distance",
      "max_cadence_position": [
        null,
        null
      ],
      "max_fractional_cadence": 0.5,
      "max_heart_rate": 146,
      "max_power": 396,
      "max_power_position": [
        null,
        null
      ],
      "max_running_cadence": 88,
      "max_temperature": 24,
      "message_index": 2,
      "normalized_power": 337,
      "sport": "running",
      "start_position_lat": 621502236,
      "start_position_long": 72171074,
      "start_time": "2026-04-26T11:19:41",
      "sub_sport": "generic",
      "timestamp": "2026-04-26T11:07:47",
      "total_ascent": 1,
      "total_calories": 77,
      "total_descent": 3,
      "total_distance": 1000.0,
      "total_elapsed_time": 341.635,
      "total_strides": 495,
      "total_timer_time": 341.635,
      "total_work": 115095,
      "wkt_step_index": 1,
      "unknown_124": 22,
      "unknown_145": 95,
      "unknown_152": 91,
      "unknown_155": 8,
      "unknown_161": 2895,
      "unknown_27": 621569886,
      "unknown_28": 72198382,
      "unknown_29": 621498977,
      "unknown_30": 72143485
    },
    {
      "avg_cadence_position": [
        null,
        null
      ],
      "avg_fractional_cadence": 0.2421875,
      "avg_heart_rate": 142,
      "avg_left_power_phase": [
        null,
        null,
        null,
        null
      ],
      "avg_left_power_phase_peak": [
        null,
        null,
        null,
        null
      ],
      "avg_power": 331,
      "avg_power_position": [
        null,
        null
      ],
      "avg_right_power_phase": [
        null,
        null,
        null,
        null
      ],
      "avg_right_power_phase_peak": [
        null,
        null,
        null,
        null
      ],
      "avg_running_cadence": 86,
      "avg_stance_time": 263.8,
      "avg_step_length": 998.7,
      "avg_temperature": 22,
      "avg_vertical_oscillation": 84.2,
      "avg_vertical_ratio": 8.42,
      "end_position_lat": 621643761,
      "end_position_long": 72035594,
      "enhanced_avg_speed": 2.872,
      "enhanced_max_altitude": 17.600000000000023,
      "enhanced_max_speed": 2.986,
      "enhanced_min_altitude": 15.0,
      "event": "lap",
      "event_type": "stop",
      "intensity": "active",
      "lap_trigger": "distance",
      "max_cadence_position": [
        null,
        null
      ],
      "max_fractional_cadence": 0.0,
      "max_heart_rate": 144,
      "max_power": 350,
      "max_power_position": [
        null,
        null
      ],
      "max_running_cadence": 88,
      "max_temperature": 22,
      "message_index": 3,
      "normalized_power": 331,
      "sport": "running",
      "start_position_lat": 621570043,
      "start_position_long": 72159588,
      "start_time": "2026-04-26T11:25:23",
      "sub_sport": "generic",
      "timestamp": "2026-04-26T11:07:47",
      "total_ascent": 1,
      "total_calories": 78,
      "total_descent": 2,
      "total_distance": 1000.0,
      "total_elapsed_time": 348.209,
      "total_strides": 500,
      "total_timer_time": 348.209,
      "total_work": 115179,
      "wkt_step_index": 1,
      "unknown_124": 22,
      "unknown_145": 96,
      "unknown_152": 95,
      "unknown_155": 8,
      "unknown_161": 2861,
      "unknown_27": 621643761,
      "unknown_28": 72159588,
      "unknown_29": 621570043,
      "unknown_30": 72035594
    },
    {
      "avg_cadence_position": [
        null,
        null
      ],
      "avg_fractional_cadence": 0.0234375,
      "avg_heart_rate": 148,
      "avg_left_power_phase": [
        null,
        null,
        null,
        null
      ],
      "avg_left_power_phase_peak": [
        null,
        null,
        null,
        null
      ],
      "avg_power": 345,
      "avg_power_position": [
        null,
        null
      ],
      "avg_right_power_phase": [
        null,
        null,
        null,
        null
      ],
      "avg_right_power_phase_peak": [
        null,
        null,
        null,
        null
      ],
      "avg_running_cadence": 86,
      "avg_stance_time": 262.3,
      "avg_step_length": 1032.6,
      "avg_temperature": 22,
      "avg_vertical_oscillation": 85.7,
      "avg_vertical_ratio": 8.31,
      "end_position_lat": 621650651,
      "end_position_long": 72141869,
      "enhanced_avg_speed": 2.98,
      "enhanced_max_altitude": 15.799999999999955,
      "enhanced_max_speed": 3.462,
      "enhanced_min_altitude": 13.600000000000023,
      "event": "lap",
      "event_type": "stop",
      "intensity": "active",
      "lap_trigger": "distance",
      "max_cadence_position": [
        null,
        null
      ],
      "max_fractional_cadence": 0.5,
      "max_heart_rate": 153,
      "max_power": 425,
      "max_power_position": [
        null,
        null
      ],
      "max_running_cadence": 91,
      "max_temperature": 23,
      "message_index": 4,
      "normalized_power": 346,
      "sport": "running",
      "start_position_lat": 621644023,
      "start_position_long": 72035279,
      "start_time": "2026-04-26T11:31:11",
      "sub_sport": "generic",
      "timestamp": "2026-04-26T11:07:47",
      "total_ascent": 1,
      "total_calories": 78,
      "total_descent": 1,
      "total_distance": 1000.0,
      "total_elapsed_time": 338.422,
      "total_strides": 479,
      "total_timer_time": 335.597,
      "total_work": 116024,
      "wkt_step_index": 2,
      "unknown_124": 22,
      "unknown_145": 93,
      "unknown_152": 83,
      "unknown_155": 8,
      "unknown_161": 2977,
      "unknown_27": 621669853,
      "unknown_28": 72141869,
      "unknown_29": 621644023,
      "unknown_30": 72015082
    },
    {
      "avg_cadence_position": [
        null,
        null
      ],
      "avg_fractional_cadence": 0.03125,
      "avg_heart_rate": 146,
      "avg_left_power_phase": [
        null,
        null,
        null,
        null
      ],
      "avg_left_power_phase_peak": [
        null,
        null,
        null,
        null
      ],
      "avg_power": 317,
      "avg_power_position": [
        null,
        null
      ],
      "avg_right_power_phase": [
        null,
        null,
        null,
        null
      ],
      "avg_right_power_phase_peak": [
        null,
        null,
        null,
        null
      ],
      "avg_running_cadence": 85,
      "avg_stance_time": 270.6,
      "avg_step_length": 969.1,
      "avg_temperature": 23,
      "avg_vertical_oscillation": 84.5,
      "avg_vertical_ratio": 8.71,
      "end_position_lat": 621647536,
      "end_position_long": 72165600,
      "enhanced_avg_speed": 2.693,
      "enhanced_max_altitude": 15.799999999999955,
      "enhanced_max_speed": 2.809,
      "enhanced_min_altitude": 15.200000000000045,
      "event": "lap",
      "event_type": "stop",
      "intensity": "cooldown",
      "lap_trigger": "session_end",
      "max_cadence_position": [
        null,
        null
      ],
      "max_fractional_cadence": 0.5,
      "max_heart_rate": 148,
      "max_power": 326,
      "max_power_position": [
        null,
        null
      ],
      "max_running_cadence": 86,
      "max_temperature": 23,
      "message_index": 5,
      "normalized_power": 321,
      "sport": "running",
      "start_position_lat": 621650633,
      "start_position_long": 72142349,
      "start_time": "2026-04-26T11:36:49",
      "sub_sport": "generic",
      "timestamp": "2026-04-26T11:07:47",
      "total_ascent": 0,
      "total_calories": 12,
      "total_descent": 0,
      "total_distance": 140.1,
      "total_elapsed_time": 52.015,
      "total_strides": 71,
      "total_timer_time": 52.015,
      "total_work": 16495,
      "wkt_step_index": 3,
      "unknown_124": 23,
      "unknown_145": 14,
      "unknown_155": 1,
      "unknown_161": 2729,
      "unknown_27": 621650633,
      "unknown_28": 72165600,
      "unknown_29": 621647536,
      "unknown_30": 72142349
    }
  ],
  "time_in_hr_zones_seconds": {
    "zone_1": 144.992,
    "zone_2": 1234.862,
    "zone_3": 341.191,
    "zone_4": 0.0,
    "zone_5": 0.0
  },
  "time_in_power_zones_seconds": null,
  "recovery_data_for_day": {
    "sleep_hours": 0.0,
    "sleep": {
      "day": "2026-04-26 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": 63.0,
    "resting_hr_summary": {
      "day": "2026-04-26 00:00:00.000000",
      "rhr_avg": null,
      "rhr_min": null,
      "rhr_max": null
    },
    "body_battery": null,
    "training_readiness": null
  },
  "fit_parse_status": "ok"
}
