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BOSTON MARATHON 2025

Laura Laliberte

Bib: 27252•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
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
26:31
Rank: #20112
Start → 5K
26:31 | 8:32/mi
10K· 6.21 mi
52:19
Rank: #19370 (+742)
5K → 10K
25:48 | 8:18/mi
15K· 9.32 mi
1:19:18
Rank: #19725 (-355)
10K → 15K
26:59 | 8:41/mi
20K· 12.43 mi
1:47:29
Rank: #20129 (-404)
15K → 20K
28:11 | 9:04/mi
Half· 13.11 mi
1:53:34
Rank: #20205 (-76)
20K → Half
6:05 | 8:55/mi
25K· 15.53 mi
2:17:21
Rank: #20827 (-622)
Half → 25K
23:47 | 9:49/mi
30K· 18.64 mi
2:48:49
Rank: #21136 (-309)
25K → 30K
31:28 | 10:08/mi
20M
3:03:07
Rank: #21272 (-136)
30K → 20M
14:18 | 10:31/mi
21M
3:14:12
Rank: #21312 (-40)
20M → 21M
11:05 | 11:05/mi
35K· 21.75 mi
3:21:41
Rank: #21347 (-35)
21M → 35K
7:29 | 10:00/mi
23M
3:34:11
Rank: #21276 (+71)
35K → 23M
12:30 | 9:59/mi
24M
3:43:46
Rank: #21220 (+56)
23M → 24M
9:35 | 9:35/mi
40K· 24.85 mi
3:51:52
Rank: #21117 (+103)
24M → 40K
8:06 | 9:28/mi
25.2M
3:55:30
Rank: #21078 (+39)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
4:04:26
Rank: #20960 (+118)
25.2M → Finish
8:56 | 8:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:34
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time2:10:52
Pace9:59 /mi
📊Positive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:2626:318:3226:31
8:32
-
10K
6.21 mi12:08:1452:198:2525:48
8:18
-0:14
15K
9.32 mi12:35:131:19:188:3026:59
8:41
+0:23
20K
12.43 mi13:03:241:47:298:3928:11
9:04
+0:23
Half
13.11 mi13:09:291:53:348:406:05
8:55
-0:09
25K
15.53 mi13:33:162:17:218:5123:47
9:49
+0:54
30K
18.64 mi14:04:442:48:499:0331:28
10:08
+0:19
20M
20.00 mi14:19:023:03:079:0914:18
10:31
+0:23
21M
21.00 mi14:30:073:14:129:1511:05
11:05
+0:34
35K
21.75 mi14:37:363:21:419:167:29
10:00
-1:05
23M
23.00 mi14:50:063:34:119:1912:30
9:59
-0:01
24M
24.00 mi14:59:413:43:469:199:35
9:35
-0:24
40K
24.85 mi15:07:473:51:529:208:06
9:28
-0:07
25.2M
25.20 mi15:11:253:55:309:213:38
10:32
+1:04
Finish
26.22 mi15:20:214:04:269:208:56
8:46
-1:46

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

8:18 /mi

Average Pace

9:20 /mi

Slowest Pace

11:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:30

50% of race

Time at Steady Pace

53:58

22% of race

Time at Slower Pace

1:07:58

28% of race

Average Pace: 9:19 /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 mi11:42:2626:318:3226:31
8:32
#20112
10K
6.21 mi12:08:1452:198:2525:48
8:18
#19370
15K
9.32 mi12:35:131:19:188:3026:59
8:41
#19725
20K
12.43 mi13:03:241:47:298:3928:11
9:04
#20129
Half
13.11 mi13:09:291:53:348:406:05
8:55
#20205
25K
15.53 mi13:33:162:17:218:5123:47
9:49
#20827
30K
18.64 mi14:04:442:48:499:0331:28
10:08
#21136
20M
20.00 mi14:19:023:03:079:0914:18
10:31
#21272
21M
21.00 mi14:30:073:14:129:1511:05
11:05
#21312
35K
21.75 mi14:37:363:21:419:167:29
10:00
#21347
23M
23.00 mi14:50:063:34:119:1912:30
9:59
#21276
24M
24.00 mi14:59:413:43:469:199:35
9:35
#21220
40K
24.85 mi15:07:473:51:529:208:06
9:28
#21117
25.2M
25.20 mi15:11:253:55:309:213:38
10:32
#21078
Finish
26.22 mi15:20:214:04:269:208:56
8:46
#20960
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi201127567756720423(Top 72%)7671(Top 63%)7671(Top 140%)
10K6.21 mi3.10 mi19370+7427105+4627105+46218598(Top 65%)6655(Top 54%)6655(Top 122%)
15K9.32 mi3.11 mi19725-3557311-2067311-20620423(Top 72%)7671(Top 63%)7671(Top 140%)
20K12.43 mi3.11 mi20129-4047542-2317542-23121330(Top 75%)8219(Top 67%)8219(Top 150%)
Half13.11 mi0.68 mi20205-767598-567598-5621500(Top 76%)8311(Top 68%)8311(Top 152%)
25K15.53 mi2.42 mi20827-6227944-3467944-34622789(Top 80%)9077(Top 74%)9077(Top 166%)
30K18.64 mi3.11 mi21136-3098161-2178161-21721989(Top 77%)8764(Top 72%)8764(Top 160%)
20M20.00 mi1.36 mi21272-1368257-968257-9622506(Top 79%)9158(Top 75%)9158(Top 167%)
21M21.00 mi1.00 mi21312-408291-348291-3421636(Top 76%)8780(Top 72%)8780(Top 161%)
35K21.75 mi0.75 mi21347-358318-278318-2721911(Top 77%)8997(Top 74%)8997(Top 165%)
23M23.00 mi1.25 mi21276+718309+98309+920445(Top 72%)8266(Top 68%)8266(Top 151%)
24M24.00 mi1.00 mi21220+568301+88301+819944(Top 70%)8055(Top 66%)8055(Top 147%)
40K24.85 mi0.85 mi21117+1038265+368265+3618640(Top 66%)7456(Top 61%)7456(Top 136%)
25.2M25.20 mi0.35 mi21078+398252+138252+1319196(Top 68%)7751(Top 63%)7751(Top 142%)
Finish26.22 mi1.02 mi20960+1188202+508202+5017906(Top 63%)7041(Top 58%)7041(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20423

Females

7671

F18-39

7671

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

18598

Females

6655

F18-39

6655

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20423

Females

7671

F18-39

7671

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

21330

Females

8219

F18-39

8219

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

21500

Females

8311

F18-39

8311

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

22789

Females

9077

F18-39

9077

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

21989

Females

8764

F18-39

8764

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

22506

Females

9158

F18-39

9158

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21636

Females

8780

F18-39

8780

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

21911

Females

8997

F18-39

8997

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

20445

Females

8266

F18-39

8266

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

19944

Females

8055

F18-39

8055

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18640

Females

7456

F18-39

7456

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19196

Females

7751

F18-39

7751

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

17906

Females

7041

F18-39

7041

Passing Analysis

Category:
Athletes Passed
1819
Passed By
2667
Net Change
-848
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20112
5K → 10K79856+742#20112#19370
10K → 15K97452-355#19370#19725
15K → 20K89493-404#19725#20129
20K → Half1389-76#20129#20205
Half → 25K41663-622#20205#20827
25K → 30K122431-309#20827#21136
30K → 20M65201-136#21136#21272
20M → 21M69109-40#21272#21312
21M → 35K3469-35#21312#21347
35K → 23M12958+71#21347#21276
23M → 24M8327+56#21276#21220
24M → 40K1118+103#21220#21117
40K → 25.2M445+39#21117#21078
25.2M → Finish1246+118#21078#20960
TOTALS18192667-848
📊

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