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BOSTON MARATHON 2025

Laura Seaman

Bib: 12852•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 20%
Division (F18-39)
#0 / 5469
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:52
Rank: #10965
Start → 5K
22:52 | 7:22/mi
10K· 6.21 mi
45:53
Rank: #11105 (-140)
5K → 10K
23:01 | 7:25/mi
15K· 9.32 mi
1:09:00
Rank: #11101 (+4)
10K → 15K
23:07 | 7:26/mi
20K· 12.43 mi
1:32:17
Rank: #10988 (+113)
15K → 20K
23:17 | 7:30/mi
Half· 13.11 mi
1:37:20
Rank: #10976 (+12)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:55:43
Rank: #10888 (+88)
Half → 25K
18:23 | 7:35/mi
30K· 18.64 mi
2:20:33
Rank: #10953 (-65)
25K → 30K
24:50 | 8:00/mi
20M
2:31:26
Rank: #10875 (+78)
30K → 20M
10:53 | 8:01/mi
21M
2:40:00
Rank: #10832 (+43)
20M → 21M
8:34 | 8:34/mi
35K· 21.75 mi
2:45:43
Rank: #10770 (+62)
21M → 35K
5:43 | 7:38/mi
23M
2:55:49
Rank: #10698 (+72)
35K → 23M
10:06 | 8:04/mi
24M
3:03:36
Rank: #10627 (+71)
23M → 24M
7:47 | 7:47/mi
40K· 24.85 mi
3:10:26
Rank: #10574 (+53)
24M → 40K
6:50 | 8:00/mi
25.2M
3:13:26
Rank: #10535 (+39)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:21:11
Rank: #10489 (+46)
25.2M → Finish
7:45 | 7:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:20
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:43:51
Pace7:55 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1322:527:2222:52
7:22
-
10K
6.21 mi11:14:1445:537:2323:01
7:25
+0:03
15K
9.32 mi11:37:211:09:007:2423:07
7:26
+0:01
20K
12.43 mi12:00:381:32:177:2623:17
7:30
+0:04
Half
13.11 mi12:05:411:37:207:255:03
7:24
-0:06
25K
15.53 mi12:24:041:55:437:2718:23
7:35
+0:11
30K
18.64 mi12:48:542:20:337:3224:50
8:00
+0:25
20M
20.00 mi12:59:472:31:267:3410:53
8:01
+0:01
21M
21.00 mi13:08:212:40:007:378:34
8:34
+0:33
35K
21.75 mi13:14:042:45:437:375:43
7:38
-0:56
23M
23.00 mi13:24:102:55:497:3910:06
8:04
+0:26
24M
24.00 mi13:31:573:03:367:397:47
7:47
-0:17
40K
24.85 mi13:38:473:10:267:406:50
8:00
+0:13
25.2M
25.20 mi13:41:473:13:267:413:00
8:42
+0:42
Finish
26.22 mi13:49:323:21:117:417:45
7:36
-1:06

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

7:22 /mi

Average Pace

7:41 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:37

94% of race

Time at Steady Pace

8:34

4% of race

Time at Slower Pace

3:00

1% of race

Average Pace: 7:40 /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 mi10:51:1322:527:2222:52
7:22
#10965
10K
6.21 mi11:14:1445:537:2323:01
7:25
#11105
15K
9.32 mi11:37:211:09:007:2423:07
7:26
#11101
20K
12.43 mi12:00:381:32:177:2623:17
7:30
#10988
Half
13.11 mi12:05:411:37:207:255:03
7:24
#10976
25K
15.53 mi12:24:041:55:437:2718:23
7:35
#10888
30K
18.64 mi12:48:542:20:337:3224:50
8:00
#10953
20M
20.00 mi12:59:472:31:267:3410:53
8:01
#10875
21M
21.00 mi13:08:212:40:007:378:34
8:34
#10832
35K
21.75 mi13:14:042:45:437:375:43
7:38
#10770
23M
23.00 mi13:24:102:55:497:3910:06
8:04
#10698
24M
24.00 mi13:31:573:03:367:397:47
7:47
#10627
40K
24.85 mi13:38:473:10:267:406:50
8:00
#10574
25.2M
25.20 mi13:41:473:13:267:413:00
8:42
#10535
Finish
26.22 mi13:49:323:21:117:417:45
7:36
#10489
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi109652268226811261(Top 40%)2510(Top 21%)2510(Top 46%)
10K6.21 mi3.10 mi11105-1402350-822350-8211275(Top 40%)2454(Top 20%)2454(Top 45%)
15K9.32 mi3.11 mi11101+42371-212371-2111261(Top 40%)2510(Top 21%)2510(Top 46%)
20K12.43 mi3.11 mi10988+1132332+392332+3910731(Top 38%)2334(Top 19%)2334(Top 43%)
Half13.11 mi0.68 mi10976+122327+52327+510963(Top 39%)2405(Top 20%)2405(Top 44%)
25K15.53 mi2.42 mi10888+882327232710629(Top 37%)2393(Top 20%)2393(Top 44%)
30K18.64 mi3.11 mi10953-652446-1192446-11911330(Top 40%)2941(Top 24%)2941(Top 54%)
20M20.00 mi1.36 mi10875+782447-12447-110523(Top 37%)2697(Top 22%)2697(Top 49%)
21M21.00 mi1.00 mi10832+432464-172464-1710907(Top 38%)3044(Top 25%)3044(Top 56%)
35K21.75 mi0.75 mi10770+622450+142450+149672(Top 34%)2447(Top 20%)2447(Top 45%)
23M23.00 mi1.25 mi10698+722459-92459-910527(Top 37%)3002(Top 25%)3002(Top 55%)
24M24.00 mi1.00 mi10627+712454+52454+59714(Top 34%)2668(Top 22%)2668(Top 49%)
40K24.85 mi0.85 mi10574+532452+22452+210161(Top 36%)3001(Top 25%)3001(Top 55%)
25.2M25.20 mi0.35 mi10535+392449+32449+310051(Top 35%)3038(Top 25%)3038(Top 56%)
Finish26.22 mi1.02 mi10489+462466-172466-179996(Top 35%)2978(Top 24%)2978(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

11261

Females

2510

F18-39

2510

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

11275

Females

2454

F18-39

2454

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

11261

Females

2510

F18-39

2510

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10731

Females

2334

F18-39

2334

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10963

Females

2405

F18-39

2405

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

10629

Females

2393

F18-39

2393

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11330

Females

2941

F18-39

2941

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

10523

Females

2697

F18-39

2697

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10907

Females

3044

F18-39

3044

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9672

Females

2447

F18-39

2447

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

10527

Females

3002

F18-39

3002

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9714

Females

2668

F18-39

2668

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10161

Females

3001

F18-39

3001

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

10051

Females

3038

F18-39

3038

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9996

Females

2978

F18-39

2978

Passing Analysis

Category:
Athletes Passed
1916
Passed By
1440
Net Change
+476
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10965
5K → 10K204344-140#10965#11105
10K → 15K177173+4#11105#11101
15K → 20K226113+113#11101#10988
20K → Half3826+12#10988#10976
Half → 25K205117+88#10976#10888
25K → 30K215280-65#10888#10953
30K → 20M14971+78#10953#10875
20M → 21M11774+43#10875#10832
21M → 35K8927+62#10832#10770
35K → 23M14270+72#10770#10698
23M → 24M10433+71#10698#10627
24M → 40K9138+53#10627#10574
40K → 25.2M5920+39#10574#10535
25.2M → Finish10054+46#10535#10489
TOTALS19161440+476
📊

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