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BOSTON MARATHON 2025

Leah Martin

Bib: 18801•F

AR

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Division (F18-39)
#0 / 5469
Top 50%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:34
Rank: #15769
Start → 5K
24:34 | 7:54/mi
10K· 6.21 mi
48:44
Rank: #15182 (+587)
5K → 10K
24:10 | 7:47/mi
15K· 9.32 mi
1:12:46
Rank: #14677 (+505)
10K → 15K
24:02 | 7:44/mi
20K· 12.43 mi
1:37:14
Rank: #14449 (+228)
15K → 20K
24:28 | 7:53/mi
Half· 13.11 mi
1:42:33
Rank: #14418 (+31)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:01:48
Rank: #14229 (+189)
Half → 25K
19:15 | 7:56/mi
30K· 18.64 mi
2:27:29
Rank: #13974 (+255)
25K → 30K
25:41 | 8:16/mi
20M
2:38:56
Rank: #13888 (+86)
30K → 20M
11:27 | 8:26/mi
21M
2:47:39
Rank: #13731 (+157)
20M → 21M
8:43 | 8:43/mi
35K· 21.75 mi
2:53:34
Rank: #13633 (+98)
21M → 35K
5:55 | 7:55/mi
23M
3:03:41
Rank: #13415 (+218)
35K → 23M
10:07 | 8:05/mi
24M
3:11:38
Rank: #13284 (+131)
23M → 24M
7:57 | 7:57/mi
40K· 24.85 mi
3:18:33
Rank: #13180 (+104)
24M → 40K
6:55 | 8:05/mi
25.2M
3:21:34
Rank: #13131 (+49)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:29:39
Rank: #13124 (+7)
25.2M → Finish
8:05 | 7:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:33
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:47:06
Pace8:10 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2624:347:5424:34
7:54
-
10K
6.21 mi11:39:3648:447:5124:10
7:47
-0:07
15K
9.32 mi12:03:381:12:467:4824:02
7:44
-0:03
20K
12.43 mi12:28:061:37:147:4924:28
7:53
+0:09
Half
13.11 mi12:33:251:42:337:495:19
7:48
-0:05
25K
15.53 mi12:52:402:01:487:5019:15
7:56
+0:08
30K
18.64 mi13:18:212:27:297:5525:41
8:16
+0:20
20M
20.00 mi13:29:482:38:567:5711:27
8:26
+0:10
21M
21.00 mi13:38:312:47:397:598:43
8:43
+0:17
35K
21.75 mi13:44:262:53:347:595:55
7:55
-0:48
23M
23.00 mi13:54:333:03:417:5910:07
8:05
+0:10
24M
24.00 mi14:02:303:11:387:597:57
7:57
-0:08
40K
24.85 mi14:09:253:18:337:596:55
8:05
+0:08
25.2M
25.20 mi14:12:263:21:348:003:01
8:45
+0:40
Finish
26.22 mi14:20:313:29:398:008:05
7:56
-0:49

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

7:44 /mi

Average Pace

8:00 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:55

94% of race

Time at Steady Pace

11:44

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:00 /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 mi11:15:2624:347:5424:34
7:54
#15769
10K
6.21 mi11:39:3648:447:5124:10
7:47
#15182
15K
9.32 mi12:03:381:12:467:4824:02
7:44
#14677
20K
12.43 mi12:28:061:37:147:4924:28
7:53
#14449
Half
13.11 mi12:33:251:42:337:495:19
7:48
#14418
25K
15.53 mi12:52:402:01:487:5019:15
7:56
#14229
30K
18.64 mi13:18:212:27:297:5525:41
8:16
#13974
20M
20.00 mi13:29:482:38:567:5711:27
8:26
#13888
21M
21.00 mi13:38:312:47:397:598:43
8:43
#13731
35K
21.75 mi13:44:262:53:347:595:55
7:55
#13633
23M
23.00 mi13:54:333:03:417:5910:07
8:05
#13415
24M
24.00 mi14:02:303:11:387:597:57
7:57
#13284
40K
24.85 mi14:09:253:18:337:596:55
8:05
#13180
25.2M
25.20 mi14:12:263:21:348:003:01
8:45
#13131
Finish
26.22 mi14:20:313:29:398:008:05
7:56
#13124
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi157694998499813827(Top 49%)3913(Top 32%)3913(Top 72%)
10K6.21 mi3.10 mi15182+5874650+3484650+34814632(Top 52%)4326(Top 35%)4326(Top 79%)
15K9.32 mi3.11 mi14677+5054359+2914359+29113827(Top 49%)3913(Top 32%)3913(Top 72%)
20K12.43 mi3.11 mi14449+2284261+984261+9813892(Top 49%)4029(Top 33%)4029(Top 74%)
Half13.11 mi0.68 mi14418+314243+184243+1814240(Top 50%)4191(Top 34%)4191(Top 77%)
25K15.53 mi2.42 mi14229+1894173+704173+7013430(Top 47%)3897(Top 32%)3897(Top 71%)
30K18.64 mi3.11 mi13974+2554088+854088+8513281(Top 47%)3991(Top 33%)3991(Top 73%)
20M20.00 mi1.36 mi13888+864084+44084+413324(Top 47%)4148(Top 34%)4148(Top 76%)
21M21.00 mi1.00 mi13731+1574018+664018+6611816(Top 42%)3501(Top 29%)3501(Top 64%)
35K21.75 mi0.75 mi13633+983984+343984+3411685(Top 41%)3487(Top 29%)3487(Top 64%)
23M23.00 mi1.25 mi13415+2183906+783906+7810651(Top 37%)3069(Top 25%)3069(Top 56%)
24M24.00 mi1.00 mi13284+1313853+533853+5310926(Top 38%)3268(Top 27%)3268(Top 60%)
40K24.85 mi0.85 mi13180+1043827+263827+2610822(Top 38%)3331(Top 27%)3331(Top 61%)
25.2M25.20 mi0.35 mi13131+493812+153812+1510390(Top 37%)3226(Top 26%)3226(Top 59%)
Finish26.22 mi1.02 mi13124+73831-193831-1912444(Top 44%)4152(Top 34%)4152(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

13827

Females

3913

F18-39

3913

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

14632

Females

4326

F18-39

4326

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

13827

Females

3913

F18-39

3913

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13892

Females

4029

F18-39

4029

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

14240

Females

4191

F18-39

4191

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

13430

Females

3897

F18-39

3897

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

13281

Females

3991

F18-39

3991

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13324

Females

4148

F18-39

4148

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11816

Females

3501

F18-39

3501

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11685

Females

3487

F18-39

3487

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

10651

Females

3069

F18-39

3069

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10926

Females

3268

F18-39

3268

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10822

Females

3331

F18-39

3331

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10390

Females

3226

F18-39

3226

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

12444

Females

4152

F18-39

4152

Passing Analysis

Category:
Athletes Passed
3316
Passed By
671
Net Change
+2645
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15769
5K → 10K693106+587#15769#15182
10K → 15K53833+505#15182#14677
15K → 20K31183+228#14677#14449
20K → Half5322+31#14449#14418
Half → 25K26172+189#14418#14229
25K → 30K374119+255#14229#13974
30K → 20M16377+86#13974#13888
20M → 21M19134+157#13888#13731
21M → 35K1068+98#13731#13633
35K → 23M22911+218#13633#13415
23M → 24M14817+131#13415#13284
24M → 40K12723+104#13284#13180
40K → 25.2M589+49#13180#13131
25.2M → Finish6457+7#13131#13124
TOTALS3316671+2645
📊

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