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2024 Snapshot · dataset v1.0.0 · built 2026-09-09 01:43 UTC
Publicly observed Strava activity, not a complete or current training history.

Marcella Herzog

NED · Assigned event: Marathon

How this event was assigned

Assigned event is a grouping rule, not a declared specialty: the event with the highest stored 2024 World Athletics result points wins. Ties use the number of stored results, then the event name alphabetically. Missing scores sort last. An athlete can race other events; this label does not say which event they trained for. The source’s 1,100-point floor and incomplete result collection can affect the assignment.

Marathon: 1102 points (1 stored results)

2024 season bests

Marathon
2:33:10
1102 result points
2024-04-14 · Rotterdam (NED)

Recorded running in 2024

48 of 52 full weeks contain Run records. These summaries describe recorded running weeks, not a complete training year.

Median recorded distance

97.5 km

48 full weeks with measured Run distances

Median Run record count

7.0

48 full weeks with recorded runs

Median recorded run days

5.0

Distinct UTC dates, not training sessions

Source warnings affect 1 of the recorded running weeks. Their activity records remain visible. A week without a warning is not proof of complete capture.

Gaps: unavailable

Amber outline: source warning

Dashed column: Dec 30–31

Scroll horizontally within each chart to view all 53 weeks.

Recorded running distance · km

Recorded running distance · kmWeekly recorded values for 2024. Gaps are unavailable, not zero training. Amber outlines mark source warnings. The final dashed column is December 30–31. Exact values and evidence states are available in the weekly data table below.0761522024-01-01: 110.5; Activity and weekly recordJan2024-01-08: 84.3; Activity and weekly record2024-01-15: 108.0; Activity and weekly record2024-01-22: 117.4; Activity and weekly record2024-01-29: 59.4; Activity and weekly record2024-02-05: Unavailable; Source warningFeb2024-02-12: Unavailable; Source warning2024-02-19: 10.3; Activity and weekly record2024-02-26: Unavailable; Ambiguous empty collection2024-03-04: 49.0; Activity and weekly recordMar2024-03-11: 39.0; Activity and weekly record2024-03-18: 149.1; Activity and weekly record2024-03-25: 131.3; Activity and weekly record2024-04-01: 57.2; Activity and weekly recordApr2024-04-08: 104.9; Activity and weekly record2024-04-15: 10.0; Activity and weekly record2024-04-22: 50.5; Activity and weekly record2024-04-29: 71.0; Activity and weekly record2024-05-06: 16.0; Activity and weekly recordMay2024-05-13: 19.7; Activity and weekly record2024-05-20: 54.8; Activity and weekly record2024-05-27: 80.9; Activity and weekly record2024-06-03: 103.7; Activity and weekly recordJun2024-06-10: 87.3; Activity and weekly record2024-06-17: 100.1; Activity and weekly record2024-06-24: 93.6; Activity and weekly record2024-07-01: 98.6; Activity and weekly recordJul2024-07-08: 109.8; Activity and weekly record2024-07-15: 107.0; Activity and weekly record2024-07-22: Unavailable; Source warning2024-07-29: 125.9; Activity and weekly record2024-08-05: 123.7; Activity and weekly recordAug2024-08-12: 117.7; Activity and weekly record2024-08-19: 144.0; Activity and weekly record2024-08-26: 122.3; Activity and weekly record2024-09-02: 119.8; Activity and weekly recordSep2024-09-09: 127.3; Activity and weekly record2024-09-16: 101.2; Activity and weekly record2024-09-23: 72.9; Activity and weekly record2024-09-30: 145.9; Activity and weekly record2024-10-07: 96.3; Activity and weekly recordOct2024-10-14: 99.1; Activity and weekly record2024-10-21: 6.3; Activity and weekly record2024-10-28: 7.4; Activity and weekly record2024-11-04: 41.4; Source warningNov2024-11-11: 60.5; Activity and weekly record2024-11-18: 66.1; Activity and weekly record2024-11-25: 108.7; Activity and weekly record2024-12-02: 80.6; Activity and weekly recordDec2024-12-09: 134.2; Activity and weekly record2024-12-16: 136.8; Activity and weekly record2024-12-23: 69.4; Activity and weekly record2024-12-30: Unavailable; No collection evidence; partial week, December 30–31 only

Run record count · not session count

Run record count · not session countWeekly recorded values for 2024. Gaps are unavailable, not zero training. Amber outlines mark source warnings. The final dashed column is December 30–31. Exact values and evidence states are available in the weekly data table below.06122024-01-01: 10.0; Activity and weekly recordJan2024-01-08: 7.0; Activity and weekly record2024-01-15: 9.0; Activity and weekly record2024-01-22: 8.0; Activity and weekly record2024-01-29: 3.0; Activity and weekly record2024-02-05: Unavailable; Source warningFeb2024-02-12: Unavailable; Source warning2024-02-19: 1.0; Activity and weekly record2024-02-26: Unavailable; Ambiguous empty collection2024-03-04: 2.0; Activity and weekly recordMar2024-03-11: 3.0; Activity and weekly record2024-03-18: 9.0; Activity and weekly record2024-03-25: 11.0; Activity and weekly record2024-04-01: 4.0; Activity and weekly recordApr2024-04-08: 7.0; Activity and weekly record2024-04-15: 1.0; Activity and weekly record2024-04-22: 5.0; Activity and weekly record2024-04-29: 6.0; Activity and weekly record2024-05-06: 1.0; Activity and weekly recordMay2024-05-13: 2.0; Activity and weekly record2024-05-20: 4.0; Activity and weekly record2024-05-27: 5.0; Activity and weekly record2024-06-03: 7.0; Activity and weekly recordJun2024-06-10: 8.0; Activity and weekly record2024-06-17: 7.0; Activity and weekly record2024-06-24: 7.0; Activity and weekly record2024-07-01: 10.0; Activity and weekly recordJul2024-07-08: 8.0; Activity and weekly record2024-07-15: 10.0; Activity and weekly record2024-07-22: Unavailable; Source warning2024-07-29: 9.0; Activity and weekly record2024-08-05: 8.0; Activity and weekly recordAug2024-08-12: 7.0; Activity and weekly record2024-08-19: 9.0; Activity and weekly record2024-08-26: 8.0; Activity and weekly record2024-09-02: 7.0; Activity and weekly recordSep2024-09-09: 8.0; Activity and weekly record2024-09-16: 10.0; Activity and weekly record2024-09-23: 6.0; Activity and weekly record2024-09-30: 8.0; Activity and weekly record2024-10-07: 8.0; Activity and weekly recordOct2024-10-14: 8.0; Activity and weekly record2024-10-21: 1.0; Activity and weekly record2024-10-28: 1.0; Activity and weekly record2024-11-04: 3.0; Source warningNov2024-11-11: 4.0; Activity and weekly record2024-11-18: 6.0; Activity and weekly record2024-11-25: 7.0; Activity and weekly record2024-12-02: 4.0; Activity and weekly recordDec2024-12-09: 10.0; Activity and weekly record2024-12-16: 10.0; Activity and weekly record2024-12-23: 5.0; Activity and weekly record2024-12-30: Unavailable; No collection evidence; partial week, December 30–31 only

Recorded running days · UTC

Recorded running days · UTCWeekly recorded values for 2024. Gaps are unavailable, not zero training. Amber outlines mark source warnings. The final dashed column is December 30–31. Exact values and evidence states are available in the weekly data table below.0482024-01-01: 6.0; Activity and weekly recordJan2024-01-08: 5.0; Activity and weekly record2024-01-15: 6.0; Activity and weekly record2024-01-22: 6.0; Activity and weekly record2024-01-29: 3.0; Activity and weekly record2024-02-05: Unavailable; Source warningFeb2024-02-12: Unavailable; Source warning2024-02-19: 1.0; Activity and weekly record2024-02-26: Unavailable; Ambiguous empty collection2024-03-04: 2.0; Activity and weekly recordMar2024-03-11: 3.0; Activity and weekly record2024-03-18: 7.0; Activity and weekly record2024-03-25: 7.0; Activity and weekly record2024-04-01: 4.0; Activity and weekly recordApr2024-04-08: 7.0; Activity and weekly record2024-04-15: 1.0; Activity and weekly record2024-04-22: 3.0; Activity and weekly record2024-04-29: 5.0; Activity and weekly record2024-05-06: 1.0; Activity and weekly recordMay2024-05-13: 2.0; Activity and weekly record2024-05-20: 4.0; Activity and weekly record2024-05-27: 5.0; Activity and weekly record2024-06-03: 7.0; Activity and weekly recordJun2024-06-10: 6.0; Activity and weekly record2024-06-17: 6.0; Activity and weekly record2024-06-24: 6.0; Activity and weekly record2024-07-01: 5.0; Activity and weekly recordJul2024-07-08: 6.0; Activity and weekly record2024-07-15: 5.0; Activity and weekly record2024-07-22: Unavailable; Source warning2024-07-29: 6.0; Activity and weekly record2024-08-05: 5.0; Activity and weekly recordAug2024-08-12: 6.0; Activity and weekly record2024-08-19: 6.0; Activity and weekly record2024-08-26: 5.0; Activity and weekly record2024-09-02: 4.0; Activity and weekly recordSep2024-09-09: 6.0; Activity and weekly record2024-09-16: 6.0; Activity and weekly record2024-09-23: 4.0; Activity and weekly record2024-09-30: 6.0; Activity and weekly record2024-10-07: 4.0; Activity and weekly recordOct2024-10-14: 5.0; Activity and weekly record2024-10-21: 1.0; Activity and weekly record2024-10-28: 1.0; Activity and weekly record2024-11-04: 2.0; Source warningNov2024-11-11: 4.0; Activity and weekly record2024-11-18: 5.0; Activity and weekly record2024-11-25: 5.0; Activity and weekly record2024-12-02: 4.0; Activity and weekly recordDec2024-12-09: 6.0; Activity and weekly record2024-12-16: 7.0; Activity and weekly record2024-12-23: 4.0; Activity and weekly record2024-12-30: Unavailable; No collection evidence; partial week, December 30–31 only
Inspect weekly values and source evidence

Zero records means no stored runs, not zero training. December 30–31 is excluded from the full-week medians.

Weekly recorded running · all 53 rows
Week (UTC) Run distance Run records Run days Evidence
01 Jan–07 Jan 110.5 km 10 6 Activity and weekly record
08 Jan–14 Jan 84.3 km 7 5 Activity and weekly record
15 Jan–21 Jan 108.0 km 9 6 Activity and weekly record
22 Jan–28 Jan 117.4 km 8 6 Activity and weekly record
29 Jan–04 Feb 59.4 km 3 3 Activity and weekly record
05 Feb–11 Feb Unavailable 0 0 Source warning · SUMMARY_ACTIVITY_CONTRADICTION
12 Feb–18 Feb Unavailable 0 0 Source warning · SUMMARY_ACTIVITY_CONTRADICTION
19 Feb–25 Feb 10.3 km 1 1 Activity and weekly record
26 Feb–03 Mar Unavailable 0 0 Ambiguous empty collection
04 Mar–10 Mar 49.0 km 2 2 Activity and weekly record
11 Mar–17 Mar 39.0 km 3 3 Activity and weekly record
18 Mar–24 Mar 149.1 km 9 7 Activity and weekly record
25 Mar–31 Mar 131.3 km 11 7 Activity and weekly record
01 Apr–07 Apr 57.2 km 4 4 Activity and weekly record
08 Apr–14 Apr 104.9 km 7 7 Activity and weekly record
15 Apr–21 Apr 10.0 km 1 1 Activity and weekly record
22 Apr–28 Apr 50.5 km 5 3 Activity and weekly record
29 Apr–05 May 71.0 km 6 5 Activity and weekly record
06 May–12 May 16.0 km 1 1 Activity and weekly record
13 May–19 May 19.7 km 2 2 Activity and weekly record
20 May–26 May 54.8 km 4 4 Activity and weekly record
27 May–02 Jun 80.9 km 5 5 Activity and weekly record
03 Jun–09 Jun 103.7 km 7 7 Activity and weekly record
10 Jun–16 Jun 87.3 km 8 6 Activity and weekly record
17 Jun–23 Jun 100.1 km 7 6 Activity and weekly record
24 Jun–30 Jun 93.6 km 7 6 Activity and weekly record
01 Jul–07 Jul 98.6 km 10 5 Activity and weekly record
08 Jul–14 Jul 109.8 km 8 6 Activity and weekly record
15 Jul–21 Jul 107.0 km 10 5 Activity and weekly record
22 Jul–28 Jul Unavailable 0 0 Source warning · SUMMARY_ACTIVITY_CONTRADICTION
29 Jul–04 Aug 125.9 km 9 6 Activity and weekly record
05 Aug–11 Aug 123.7 km 8 5 Activity and weekly record
12 Aug–18 Aug 117.7 km 7 6 Activity and weekly record
19 Aug–25 Aug 144.0 km 9 6 Activity and weekly record
26 Aug–01 Sep 122.3 km 8 5 Activity and weekly record
02 Sep–08 Sep 119.8 km 7 4 Activity and weekly record
09 Sep–15 Sep 127.3 km 8 6 Activity and weekly record
16 Sep–22 Sep 101.2 km 10 6 Activity and weekly record
23 Sep–29 Sep 72.9 km 6 4 Activity and weekly record
30 Sep–06 Oct 145.9 km 8 6 Activity and weekly record
07 Oct–13 Oct 96.3 km 8 4 Activity and weekly record
14 Oct–20 Oct 99.1 km 8 5 Activity and weekly record
21 Oct–27 Oct 6.3 km 1 1 Activity and weekly record
28 Oct–03 Nov 7.4 km 1 1 Activity and weekly record
04 Nov–10 Nov 41.4 km 3 2 Source warning · CONFLICTING_WEEKLY_SOURCE_ROWS
11 Nov–17 Nov 60.5 km 4 4 Activity and weekly record
18 Nov–24 Nov 66.1 km 6 5 Activity and weekly record
25 Nov–01 Dec 108.7 km 7 5 Activity and weekly record
02 Dec–08 Dec 80.6 km 4 4 Activity and weekly record
09 Dec–15 Dec 134.2 km 10 6 Activity and weekly record
16 Dec–22 Dec 136.8 km 10 7 Activity and weekly record
23 Dec–29 Dec 69.4 km 5 4 Activity and weekly record
30 Dec–31 Dec Unavailable 0 0 No collection evidence · Partial week
How these metrics are calculated

Each full week starts Monday in UTC. The medians use weeks with at least one stored Run. Distance is unavailable if any recorded run has missing or invalid distance. Real recorded zero distances are retained.

Run records may include separate warm-ups, repetitions, and cool-downs. Multiple records do not prove multiple sessions. Recorded run days count UTC dates with at least one Run.

Source warnings are shown, not silently excluded. Unknown or empty collections are not interpreted as zero training. No annual-week cutoff or P0 eligibility filter is used.

Calculation policy: p1-recorded-training-exploratory-v1.1. Dataset version and build date appear at the top of this profile.

2024 activities

Filter the activity table only. The running charts above remain the full 2024 snapshot.

Reset

Link to these filters · Dates include both endpoints. “Other” retains each activity’s original type below.

Showing 1–30 of 328 matching activity records.

Date (UTC) Activity Type Distance Duration Pace
2024-12-28 09:39 UTC Morning Run over de Tielse 🎶 paden
From misty miles to sunny skies 👋🏻🇳🇱🛫 		Run 20.02 km 90.0 min 4.50 min/km
2024-12-26 10:55 UTC Lunch run with Oscar 🎄
 Run 21.50 km 83.0 min 3.86 min/km
2024-12-24 23:00 UTC Christmas eve shake out ✨🍷
 Run 12.67 km 60.0 min 4.74 min/km
2024-12-23 23:00 UTC Christmas cool down 🎄
Met Strava artist Jarvin Sterkenburg ✍️ 		Run 4.88 km 23.8 min 4.87 min/km
2024-12-23 23:00 UTC Working hard at the Oval Office 🥶 🌧️
20x300 T56-57 p200 - Back to speed work 		Run 10.31 km 38.3 min 3.71 min/km
2024-12-22 23:00 UTC Monday Morning Run
Eerste 3k: 😴💤🌙🛏️ 		Run 12.40 km 60.0 min 4.84 min/km
2024-12-21 23:00 UTC Sunday morning long run with the boys and Sasje 🌳🌧️
120’ min miezer, wind, hagel én toch zeker 2 volle minuten een soort van zonnestraal! 		Run 26.15 km 120.0 min 4.59 min/km
2024-12-20 23:00 UTC Smooth, but windy tempo blocks 🎐
Incl. Bram die halverwege het peloton verliet (en een andere afslag nam) en koffiekanon Jarvin die snakte naar een banaan ;) 		Run 21.25 km 90.0 min 4.24 min/km
2024-12-19 23:00 UTC Running towards the weekend… 💭
🧸 : 5 days ⏳ 🎄: 6 days ⏳ 🇪🇸: 8 days ⏳ 		Run 12.55 km 60.0 min 4.78 min/km
2024-12-18 23:00 UTC Building the tempo tower 🗼| Race schedule 2025 📝
Windy, rainy Meinerswijk edition: 12 min - 6 min - 6 min - 12 min p2 		Run 18.23 km 75.0 min 4.11 min/km
2024-12-17 23:00 UTC Morning Run with the girls ☕️
Shaking out the track legs 		Run 16.13 km 75.0 min 4.65 min/km
2024-12-16 23:00 UTC Cool down
 Run 2.02 km 10.2 min 5.06 min/km
2024-12-16 23:00 UTC Finding my speed again 🪜🚀
6x(2x300-2x200-2x100) p100 sp300 T56/57 - T37/36 - T18 		Run 12.36 km 46.9 min 3.80 min/km
2024-12-16 23:00 UTC Warming up
 Run 4.39 km 20.7 min 4.72 min/km
2024-12-16 23:00 UTC Bijkletsrondje met Alex
[1/2] 		Run 11.34 km 52.6 min 4.64 min/km
2024-12-15 11:27 UTC A solid Sunday in the books 🚴‍♀️🌧️ Posbank kletsritje met Soof
Mist, rain & Super Soofje. Weekend hours well exploited (still no duathlon plans, promise 😉) 		Ride 56.47 km 129.0 min 2.28 min/km
2024-12-15 08:33 UTC Sunday BIG day: Run 🏃‍♀️, ride 🚴‍♀️, repeat
Eerste uurtje solo dwarrelen, tweede uur met Sasje 		Run 23.57 km 110.0 min 4.67 min/km
2024-12-13 23:00 UTC 30k Saturday 🌧️🧢🌚🔦
 Run 9.47 km 45.1 min 4.76 min/km
2024-12-13 23:00 UTC Saturday part 1️⃣ - Laying the winter foundation 🧤
Wisselduurloop 		Run 21.38 km 90.0 min 4.21 min/km
2024-12-12 23:00 UTC Pre Office Forest Run 🌳🧗‍♀️
 Run 13.65 km 64.0 min 4.69 min/km
2024-12-11 23:00 UTC Winter base work 🔧🚧
 Run 23.42 km 98.0 min 4.18 min/km
2024-12-10 23:00 UTC Morning Run met Ann, Fam, Sas en Milano
Forest run 🎄🌲🍂 		Run 17.14 km 80.0 min 4.67 min/km
2024-12-09 23:00 UTC CD
 Run 2.01 km 10.1 min 5.03 min/km
2024-12-09 23:00 UTC Back in the purple RTL train 🟣
1000 - 5x400 - 1000 - 5x200 - 1000 - 1000 		Run 10.51 km 39.5 min 3.76 min/km
2024-12-09 23:00 UTC Warming up
 Run 4.48 km 21.6 min 4.82 min/km
2024-12-09 23:00 UTC Pre track shake out run 🥁
… op naar een baan-rentree na 2 maanden 😱😂 		Run 8.58 km 40.1 min 4.67 min/km
2024-12-07 23:00 UTC Explore Mode Sunday - met Fam en de boys 🇳🇱
En een sneak peek in mijn toekomstige achtertuin 🌳🏠💚 		Run 21.56 km 100.0 min 4.64 min/km
2024-12-06 23:00 UTC Ochtendritje met de fietsbandiet ☀️
 Ride 46.15 km 93.0 min 2.02 min/km
2024-12-05 23:00 UTC Lunch Run met Lukas en Stef
 Run 18.42 km 82.0 min 4.45 min/km
2024-12-04 23:00 UTC Golden hour, golden miles 🌅💛
Run, work, ride—golden hour to top it off 		Ride 40.02 km 93.0 min 2.32 min/km