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BOSTON MARATHON 2025

Lucie Herzog

Bib: 13799•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 35%
Gender (Female)
#0 / 12228
Top 18%
Division (F18-39)
#0 / 5469
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:02
Rank: #8580
Start → 5K
22:02 | 7:06/mi
10K· 6.21 mi
44:15
Rank: #8807 (-227)
5K → 10K
22:13 | 7:09/mi
15K· 9.32 mi
1:06:11
Rank: #8486 (+321)
10K → 15K
21:56 | 7:04/mi
20K· 12.43 mi
1:28:15
Rank: #8195 (+291)
15K → 20K
22:04 | 7:06/mi
Half· 13.11 mi
1:33:05
Rank: #8173 (+22)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:50:34
Rank: #8061 (+112)
Half → 25K
17:29 | 7:13/mi
30K· 18.64 mi
2:15:47
Rank: #8699 (-638)
25K → 30K
25:13 | 8:07/mi
20M
2:27:28
Rank: #9177 (-478)
30K → 20M
11:41 | 8:36/mi
21M
2:36:49
Rank: #9536 (-359)
20M → 21M
9:21 | 9:21/mi
35K· 21.75 mi
2:42:22
Rank: #9458 (+78)
21M → 35K
5:33 | 7:25/mi
23M
2:52:24
Rank: #9463 (-5)
35K → 23M
10:02 | 8:01/mi
24M
3:00:22
Rank: #9505 (-42)
23M → 24M
7:58 | 7:58/mi
40K· 24.85 mi
3:07:32
Rank: #9616 (-111)
24M → 40K
7:10 | 8:23/mi
25.2M
3:10:56
Rank: #9746 (-130)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:19:03
Rank: #9841 (-95)
25.2M → Finish
8:07 | 7:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:05
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:45:58
Pace8:05 /mi
📊Positive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0122:027:0622:02
7:06
-
10K
6.21 mi11:13:1444:157:0722:13
7:09
+0:03
15K
9.32 mi11:35:101:06:117:0621:56
7:04
-0:05
20K
12.43 mi11:57:141:28:157:0622:04
7:06
+0:02
Half
13.11 mi12:02:041:33:057:064:50
7:05
-0:01
25K
15.53 mi12:19:331:50:347:0717:29
7:13
+0:08
30K
18.64 mi12:44:462:15:477:1725:13
8:07
+0:54
20M
20.00 mi12:56:272:27:287:2211:41
8:36
+0:29
21M
21.00 mi13:05:482:36:497:289:21
9:21
+0:45
35K
21.75 mi13:11:212:42:227:285:33
7:25
-1:56
23M
23.00 mi13:21:232:52:247:3010:02
8:01
+0:36
24M
24.00 mi13:29:213:00:227:317:58
7:58
-0:03
40K
24.85 mi13:36:313:07:327:337:10
8:23
+0:25
25.2M
25.20 mi13:39:553:10:567:353:24
9:52
+1:29
Finish
26.22 mi13:48:023:19:037:368:07
7:58
-1:54

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:04 /mi

Average Pace

7:36 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:07

58% of race

Time at Steady Pace

58:30

29% of race

Time at Slower Pace

24:26

12% of race

Average Pace: 7:35 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:51:0122:027:0622:02
7:06
#8580
10K
6.21 mi11:13:1444:157:0722:13
7:09
#8807
15K
9.32 mi11:35:101:06:117:0621:56
7:04
#8486
20K
12.43 mi11:57:141:28:157:0622:04
7:06
#8195
Half
13.11 mi12:02:041:33:057:064:50
7:05
#8173
25K
15.53 mi12:19:331:50:347:0717:29
7:13
#8061
30K
18.64 mi12:44:462:15:477:1725:13
8:07
#8699
20M
20.00 mi12:56:272:27:287:2211:41
8:36
#9177
21M
21.00 mi13:05:482:36:497:289:21
9:21
#9536
35K
21.75 mi13:11:212:42:227:285:33
7:25
#9458
23M
23.00 mi13:21:232:52:247:3010:02
8:01
#9463
24M
24.00 mi13:29:213:00:227:317:58
7:58
#9505
40K
24.85 mi13:36:313:07:327:337:10
8:23
#9616
25.2M
25.20 mi13:39:553:10:567:353:24
9:52
#9746
Finish
26.22 mi13:48:023:19:037:368:07
7:58
#9841
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8580119711978056(Top 28%)1057(Top 9%)1057(Top 19%)
10K6.21 mi3.10 mi8807-2271304-1071304-1079097(Top 32%)1416(Top 12%)1416(Top 26%)
15K9.32 mi3.11 mi8486+3211187+1171187+1178056(Top 28%)1057(Top 9%)1057(Top 19%)
20K12.43 mi3.11 mi8195+2911100+871100+877547(Top 27%)953(Top 8%)953(Top 17%)
Half13.11 mi0.68 mi8173+22110011008266(Top 29%)1204(Top 10%)1204(Top 22%)
25K15.53 mi2.42 mi8061+1121075+251075+257712(Top 27%)1114(Top 9%)1114(Top 20%)
30K18.64 mi3.11 mi8699-6381373-2981373-29812219(Top 43%)3395(Top 28%)3395(Top 62%)
20M20.00 mi1.36 mi9177-4781616-2431616-24314411(Top 51%)4721(Top 39%)4721(Top 86%)
21M21.00 mi1.00 mi9536-3591814-1981814-19815405(Top 54%)5388(Top 44%)5388(Top 99%)
35K21.75 mi0.75 mi9458+781794+201794+208108(Top 29%)1734(Top 14%)1734(Top 32%)
23M23.00 mi1.25 mi9463-51838-441838-4410132(Top 36%)2799(Top 23%)2799(Top 51%)
24M24.00 mi1.00 mi9505-421901-631901-6311012(Top 39%)3302(Top 27%)3302(Top 60%)
40K24.85 mi0.85 mi9616-1111988-871988-8712692(Top 45%)4266(Top 35%)4266(Top 78%)
25.2M25.20 mi0.35 mi9746-1302071-832071-8316388(Top 58%)6249(Top 51%)6249(Top 114%)
Finish26.22 mi1.02 mi9841-952148-772148-7712657(Top 45%)4250(Top 35%)4250(Top 78%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

8056

Females

1057

F18-39

1057

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

9097

Females

1416

F18-39

1416

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

8056

Females

1057

F18-39

1057

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7547

Females

953

F18-39

953

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

8266

Females

1204

F18-39

1204

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7712

Females

1114

F18-39

1114

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

12219

Females

3395

F18-39

3395

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

14411

Females

4721

F18-39

4721

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

15405

Females

5388

F18-39

5388

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

8108

Females

1734

F18-39

1734

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

10132

Females

2799

F18-39

2799

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

11012

Females

3302

F18-39

3302

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12692

Females

4266

F18-39

4266

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16388

Females

6249

F18-39

6249

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

12657

Females

4250

F18-39

4250

Passing Analysis

Category:
Athletes Passed
1531
Passed By
2792
Net Change
-1261
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8580
5K → 10K112339-227#8580#8807
10K → 15K36443+321#8807#8486
15K → 20K32433+291#8486#8195
20K → Half3816+22#8195#8173
Half → 25K18472+112#8173#8061
25K → 30K76714-638#8061#8699
30K → 20M27505-478#8699#9177
20M → 21M31390-359#9177#9536
21M → 35K9719+78#9536#9458
35K → 23M108113-5#9458#9463
23M → 24M72114-42#9463#9505
24M → 40K43154-111#9505#9616
40K → 25.2M12142-130#9616#9746
25.2M → Finish43138-95#9746#9841
TOTALS15312792-1261
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing