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BOSTON MARATHON 2025

Martine Sogn-Larssen

Bib: 12789•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 36%
Gender (Female)
#0 / 12228
Top 19%
Division (F18-39)
#0 / 5469
Top 33%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:07/mi
22:06
↑ 97↓ 3451.5%
10K· 6.21 mi
7:08/mi
44:15
↑ 79↓ 1380.4%
15K· 9.32 mi
7:11/mi
1:06:35
↑ 67↓ 78
20K· 12.43 mi
7:11/mi
1:28:55
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:33:47
↑ 19↓ 370.5%
25K· 15.53 mi
7:17/mi
1:51:26
↑ 66↓ 880.2%
30K· 18.64 mi
8:30/mi
2:17:49
↑ 181↓ 1480.2%
20M
8:47/mi
2:29:45
↑ 64↓ 500.2%
21M
8:35/mi
2:38:20
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:44:29
↑ 17↓ 861.7%
23M
8:30/mi
2:55:08
↑ 23↓ 630.6%
24M
7:40/mi
3:02:48
↓ 821.3%
40K· 24.85 mi
7:50/mi
3:09:30
↓ 200.3%
25.2M
8:51/mi
3:12:33
↑ 13↓ 160.2%
Finish· 26.22 mi
7:36/mi
3:20:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:47
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:46:31
Pace8:08 /mi
📊Positive Split: 13.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5722:067:0722:06
7:07
-
10K
6.21 mi11:12:0644:157:0722:09
7:08
+0:01
15K
9.32 mi11:34:261:06:357:0922:20
7:11
+0:03
20K
12.43 mi11:56:461:28:557:0922:20
7:11
0:00
Half
13.11 mi12:01:381:33:477:094:52
7:08
-0:03
25K
15.53 mi12:19:171:51:267:1017:39
7:17
+0:09
30K
18.64 mi12:45:402:17:497:2426:23
8:30
+1:13
20M
20.00 mi12:57:362:29:457:2911:56
8:47
+0:17
21M
21.00 mi13:06:112:38:207:328:35
8:35
-0:12
35K
21.75 mi13:12:202:44:297:346:09
8:13
-0:22
23M
23.00 mi13:22:592:55:087:3710:39
8:30
+0:17
24M
24.00 mi13:30:393:02:487:377:40
7:40
-0:50
40K
24.85 mi13:37:213:09:307:376:42
7:50
+0:10
25.2M
25.20 mi13:40:243:12:337:383:03
8:51
+1:01
Finish
26.22 mi13:48:093:20:187:397:45
7:36
-1:15

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

7:07 /mi

Average Pace

7:39 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:26

56% of race

Time at Steady Pace

22:07

11% of race

Time at Slower Pace

1:06:45

33% of race

Average Pace: 7:38 /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 mi10:49:5722:067:0722:06
7:07
#8784
10K
6.21 mi11:12:0644:157:0722:09
7:08
#8808
15K
9.32 mi11:34:261:06:357:0922:20
7:11
#8868
20K
12.43 mi11:56:461:28:557:0922:20
7:11
#8591
Half
13.11 mi12:01:381:33:477:094:52
7:08
#8580
25K
15.53 mi12:19:171:51:267:1017:39
7:17
#8459
30K
18.64 mi12:45:402:17:497:2426:23
8:30
#9641
20M
20.00 mi12:57:362:29:457:2911:56
8:47
#10127
21M
21.00 mi13:06:112:38:207:328:35
8:35
#10164
35K
21.75 mi13:12:202:44:297:346:09
8:13
#10309
23M
23.00 mi13:22:592:55:087:3710:39
8:30
#10471
24M
24.00 mi13:30:393:02:487:377:40
7:40
#10370
40K
24.85 mi13:37:213:09:307:376:42
7:50
#10273
25.2M
25.20 mi13:40:243:12:337:383:03
8:51
#10280
Finish
26.22 mi13:48:093:20:187:397:45
7:36
#10235
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8784128212829034(Top 32%)1444(Top 12%)1444(Top 26%)
10K6.21 mi3.10 mi8808-241305-231305-238934(Top 31%)1349(Top 11%)1349(Top 25%)
15K9.32 mi3.11 mi8868-601340-351340-359034(Top 32%)1444(Top 12%)1444(Top 26%)
20K12.43 mi3.11 mi8591+2771250+901250+908123(Top 29%)1158(Top 9%)1158(Top 21%)
Half13.11 mi0.68 mi8580+111257-71257-78636(Top 30%)1357(Top 11%)1357(Top 25%)
25K15.53 mi2.42 mi8459+1211225+321225+328234(Top 29%)1314(Top 11%)1314(Top 24%)
30K18.64 mi3.11 mi9641-11821799-5741799-57414692(Top 52%)4731(Top 39%)4731(Top 87%)
20M20.00 mi1.36 mi10127-4862049-2502049-25015557(Top 55%)5326(Top 44%)5326(Top 97%)
21M21.00 mi1.00 mi10164-372120-712120-7110996(Top 39%)3091(Top 25%)3091(Top 57%)
35K21.75 mi0.75 mi10309-1452217-972217-9713764(Top 48%)4544(Top 37%)4544(Top 83%)
23M23.00 mi1.25 mi10471-1622336-1192336-11913354(Top 47%)4450(Top 36%)4450(Top 81%)
24M24.00 mi1.00 mi10370+1012320+162320+168929(Top 31%)2292(Top 19%)2292(Top 42%)
40K24.85 mi0.85 mi10273+972315+52315+59059(Top 32%)2480(Top 20%)2480(Top 45%)
25.2M25.20 mi0.35 mi10280-72334-192334-1910948(Top 39%)3442(Top 28%)3442(Top 63%)
Finish26.22 mi1.02 mi10235+452345-112345-119994(Top 35%)2976(Top 24%)2976(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9034

Females

1444

F18-39

1444

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8934

Females

1349

F18-39

1349

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9034

Females

1444

F18-39

1444

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

8123

Females

1158

F18-39

1158

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8636

Females

1357

F18-39

1357

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8234

Females

1314

F18-39

1314

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

14692

Females

4731

F18-39

4731

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

15557

Females

5326

F18-39

5326

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

10996

Females

3091

F18-39

3091

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

13764

Females

4544

F18-39

4544

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

13354

Females

4450

F18-39

4450

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8929

Females

2292

F18-39

2292

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9059

Females

2480

F18-39

2480

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10948

Females

3442

F18-39

3442

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9994

Females

2976

F18-39

2976

Passing Analysis

Category:
Athletes Passed
1538
Passed By
2986
Net Change
-1451
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8784
5K → 10K191215-24#8784#8808
10K → 15K140200-60#8808#8868
15K → 20K32548+277#8868#8591
20K → Half3928+11#8591#8580
Half → 25K18665+121#8580#8459
25K → 30K501232-1182#8459#9641
30K → 20M29513-486#9641#10127
20M → 21M93129-37#10127#10164
21M → 35K27172-145#10164#10309
35K → 23M66228-162#10309#10471
23M → 24M13736+101#10471#10370
24M → 40K12528+97#10370#10273
40K → 25.2M3340-7#10273#10280
25.2M → Finish9752+45#10280#10235
TOTALS15382986-1451
📊

Passing Visuals

Category:
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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