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BOSTON MARATHON 2025

Mary Labowsky

Bib: 14478•F

CO

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:14
Rank: #12062
Start → 5K
23:14 | 7:29/mi
10K· 6.21 mi
47:02
Rank: #12751 (-689)
5K → 10K
23:48 | 7:40/mi
15K· 9.32 mi
1:11:07
Rank: #13140 (-389)
10K → 15K
24:05 | 7:45/mi
20K· 12.43 mi
1:36:06
Rank: #13652 (-512)
15K → 20K
24:59 | 8:02/mi
Half· 13.11 mi
1:41:24
Rank: #13675 (-23)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
2:00:56
Rank: #13769 (-94)
Half → 25K
19:32 | 8:03/mi
30K· 18.64 mi
2:27:23
Rank: #13930 (-161)
25K → 30K
26:27 | 8:31/mi
20M
2:39:55
Rank: #14288 (-358)
30K → 20M
12:32 | 9:13/mi
21M
2:48:56
Rank: #14231 (+57)
20M → 21M
9:01 | 9:01/mi
35K· 21.75 mi
2:55:12
Rank: #14252 (-21)
21M → 35K
6:16 | 8:23/mi
23M
3:06:24
Rank: #14372 (-120)
35K → 23M
11:12 | 8:57/mi
24M
3:15:24
Rank: #14496 (-124)
23M → 24M
9:00 | 9:00/mi
40K· 24.85 mi
3:23:33
Rank: #14666 (-170)
24M → 40K
8:09 | 9:32/mi
25.2M
3:27:15
Rank: #14780 (-114)
40K → 25.2M
3:42 | 10:44/mi
Finish· 26.22 mi
3:36:16
Rank: #14907 (-127)
25.2M → Finish
9:01 | 8:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:24
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:54:52
Pace8:46 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0523:147:2923:14
7:29
-
10K
6.21 mi11:17:5347:027:3423:48
7:40
+0:11
15K
9.32 mi11:41:581:11:077:3824:05
7:45
+0:05
20K
12.43 mi12:06:571:36:067:4424:59
8:02
+0:17
Half
13.11 mi12:12:151:41:247:445:18
7:46
-0:16
25K
15.53 mi12:31:472:00:567:4719:32
8:03
+0:17
30K
18.64 mi12:58:142:27:237:5426:27
8:31
+0:28
20M
20.00 mi13:10:462:39:558:0012:32
9:13
+0:42
21M
21.00 mi13:19:472:48:568:039:01
9:01
-0:12
35K
21.75 mi13:26:032:55:128:036:16
8:23
-0:38
23M
23.00 mi13:37:153:06:248:0611:12
8:57
+0:34
24M
24.00 mi13:46:153:15:248:099:00
9:00
+0:03
40K
24.85 mi13:54:243:23:338:118:09
9:32
+0:32
25.2M
25.20 mi13:58:063:27:158:133:42
10:44
+1:12
Finish
26.22 mi14:07:073:36:168:159:01
8:51
-1:53

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

7:29 /mi

Average Pace

8:15 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:56

56% of race

Time at Steady Pace

41:44

19% of race

Time at Slower Pace

53:36

25% of race

Average Pace: 8:15 /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 mi10:54:0523:147:2923:14
7:29
#12062
10K
6.21 mi11:17:5347:027:3423:48
7:40
#12751
15K
9.32 mi11:41:581:11:077:3824:05
7:45
#13140
20K
12.43 mi12:06:571:36:067:4424:59
8:02
#13652
Half
13.11 mi12:12:151:41:247:445:18
7:46
#13675
25K
15.53 mi12:31:472:00:567:4719:32
8:03
#13769
30K
18.64 mi12:58:142:27:237:5426:27
8:31
#13930
20M
20.00 mi13:10:462:39:558:0012:32
9:13
#14288
21M
21.00 mi13:19:472:48:568:039:01
9:01
#14231
35K
21.75 mi13:26:032:55:128:036:16
8:23
#14252
23M
23.00 mi13:37:153:06:248:0611:12
8:57
#14372
24M
24.00 mi13:46:153:15:248:099:00
9:00
#14496
40K
24.85 mi13:54:243:23:338:118:09
9:32
#14666
25.2M
25.20 mi13:58:063:27:158:133:42
10:44
#14780
Finish
26.22 mi14:07:073:36:168:159:01
8:51
#14907
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi120622834283413968(Top 49%)3999(Top 33%)3999(Top 73%)
10K6.21 mi3.10 mi12751-6893206-3723206-37213563(Top 48%)3698(Top 30%)3698(Top 68%)
15K9.32 mi3.11 mi13140-3893476-2703476-27013968(Top 49%)3999(Top 33%)3999(Top 73%)
20K12.43 mi3.11 mi13652-5123812-3363812-33615229(Top 54%)4768(Top 39%)4768(Top 87%)
Half13.11 mi0.68 mi13675-233836-243836-2414096(Top 50%)4129(Top 34%)4129(Top 75%)
25K15.53 mi2.42 mi13769-943910-743910-7414341(Top 50%)4394(Top 36%)4394(Top 80%)
30K18.64 mi3.11 mi13930-1614063-1534063-15314847(Top 52%)4819(Top 39%)4819(Top 88%)
20M20.00 mi1.36 mi14288-3584298-2354298-23517893(Top 63%)6642(Top 54%)6642(Top 121%)
21M21.00 mi1.00 mi14231+574288+104288+1013640(Top 48%)4435(Top 36%)4435(Top 81%)
35K21.75 mi0.75 mi14252-214322-344322-3414743(Top 52%)5092(Top 42%)5092(Top 93%)
23M23.00 mi1.25 mi14372-1204420-984420-9815957(Top 56%)5857(Top 48%)5857(Top 107%)
24M24.00 mi1.00 mi14496-1244512-924512-9217374(Top 61%)6687(Top 55%)6687(Top 122%)
40K24.85 mi0.85 mi14666-1704637-1254637-12518845(Top 66%)7545(Top 62%)7545(Top 138%)
25.2M25.20 mi0.35 mi14780-1144709-724709-7219827(Top 70%)8055(Top 66%)8055(Top 147%)
Finish26.22 mi1.02 mi14907-1274822-1134822-11318289(Top 64%)7227(Top 59%)7227(Top 132%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

13968

Females

3999

F18-39

3999

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

13563

Females

3698

F18-39

3698

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

13968

Females

3999

F18-39

3999

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

15229

Females

4768

F18-39

4768

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

14096

Females

4129

F18-39

4129

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

14341

Females

4394

F18-39

4394

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

14847

Females

4819

F18-39

4819

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

17893

Females

6642

F18-39

6642

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

13640

Females

4435

F18-39

4435

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

14743

Females

5092

F18-39

5092

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

15957

Females

5857

F18-39

5857

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

17374

Females

6687

F18-39

6687

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18845

Females

7545

F18-39

7545

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

19827

Females

8055

F18-39

8055

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

18289

Females

7227

F18-39

7227

Passing Analysis

Category:
Athletes Passed
1073
Passed By
3918
Net Change
-2845
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12062
5K → 10K71760-689#12062#12751
10K → 15K89478-389#12751#13140
15K → 20K87599-512#13140#13652
20K → Half2750-23#13652#13675
Half → 25K152246-94#13675#13769
25K → 30K196357-161#13769#13930
30K → 20M47405-358#13930#14288
20M → 21M14285+57#14288#14231
21M → 35K6384-21#14231#14252
35K → 23M75195-120#14252#14372
23M → 24M31155-124#14372#14496
24M → 40K39209-170#14496#14666
40K → 25.2M11125-114#14666#14780
25.2M → Finish43170-127#14780#14907
TOTALS10733918-2845
📊

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