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BOSTON MARATHON 2025

Clara Lehane

Bib: 31723•F

0:00
0:00
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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
29:44
Rank: #24480
Start → 5K
29:44 | 9:34/mi
10K· 6.21 mi
1:00:06
Rank: #24669 (-189)
5K → 10K
30:22 | 9:46/mi
15K· 9.32 mi
1:31:05
Rank: #24762 (-93)
10K → 15K
30:59 | 9:58/mi
20K· 12.43 mi
2:02:52
Rank: #24727 (+35)
15K → 20K
31:47 | 10:14/mi
Half· 13.11 mi
2:09:52
Rank: #24766 (-39)
20K → Half
7:00 | 10:16/mi
25K· 15.53 mi
2:36:04
Rank: #24817 (-51)
Half → 25K
26:12 | 10:48/mi
30K· 18.64 mi
3:11:30
Rank: #24815 (+2)
25K → 30K
35:26 | 11:24/mi
20M
3:26:41
Rank: #24750 (+65)
30K → 20M
15:11 | 11:10/mi
21M
3:38:26
Rank: #24672 (+78)
20M → 21M
11:45 | 11:45/mi
35K· 21.75 mi
3:46:42
Rank: #24677 (-5)
21M → 35K
8:16 | 11:03/mi
23M
4:00:50
Rank: #24639 (+38)
35K → 23M
14:08 | 11:17/mi
24M
4:11:36
Rank: #24586 (+53)
23M → 24M
10:46 | 10:46/mi
40K· 24.85 mi
4:21:38
Rank: #24589 (-3)
24M → 40K
10:02 | 11:44/mi
25.2M
4:25:32
Rank: #24551 (+38)
40K → 25.2M
3:54 | 11:19/mi
Finish· 26.22 mi
4:35:53
Rank: #24521 (+30)
25.2M → Finish
10:21 | 10:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:52
Pace9:54 /mi
2nd Half
Distance13.11 mi
Time2:26:01
Pace11:08 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:5729:449:3429:44
9:34
-
10K
6.21 mi12:25:191:00:069:4030:22
9:46
+0:12
15K
9.32 mi12:56:181:31:059:4630:59
9:58
+0:12
20K
12.43 mi13:28:052:02:529:5331:47
10:14
+0:16
Half
13.11 mi13:35:052:09:529:547:00
10:16
+0:02
25K
15.53 mi14:01:172:36:0410:0326:12
10:48
+0:32
30K
18.64 mi14:36:433:11:3010:1635:26
11:24
+0:36
20M
20.00 mi14:51:543:26:4110:2015:11
11:10
-0:14
21M
21.00 mi15:03:393:38:2610:2411:45
11:45
+0:35
35K
21.75 mi15:11:553:46:4210:258:16
11:03
-0:42
23M
23.00 mi15:26:034:00:5010:2814:08
11:17
+0:14
24M
24.00 mi15:36:494:11:3610:2910:46
10:46
-0:31
40K
24.85 mi15:46:514:21:3810:3210:02
11:44
+0:58
25.2M
25.20 mi15:50:454:25:3210:323:54
11:19
-0:25
Finish
26.22 mi16:01:064:35:5310:3210:21
10:09
-1:10

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

9:34 /mi

Average Pace

10:32 /mi

Slowest Pace

11:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:13

51% of race

Time at Steady Pace

45:14

16% of race

Time at Slower Pace

1:30:26

33% of race

Average Pace: 10:31 /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 mi11:54:5729:449:3429:44
9:34
#24480
10K
6.21 mi12:25:191:00:069:4030:22
9:46
#24669
15K
9.32 mi12:56:181:31:059:4630:59
9:58
#24762
20K
12.43 mi13:28:052:02:529:5331:47
10:14
#24727
Half
13.11 mi13:35:052:09:529:547:00
10:16
#24766
25K
15.53 mi14:01:172:36:0410:0326:12
10:48
#24817
30K
18.64 mi14:36:433:11:3010:1635:26
11:24
#24815
20M
20.00 mi14:51:543:26:4110:2015:11
11:10
#24750
21M
21.00 mi15:03:393:38:2610:2411:45
11:45
#24672
35K
21.75 mi15:11:553:46:4210:258:16
11:03
#24677
23M
23.00 mi15:26:034:00:5010:2814:08
11:17
#24639
24M
24.00 mi15:36:494:11:3610:2910:46
10:46
#24586
40K
24.85 mi15:46:514:21:3810:3210:02
11:44
#24589
25.2M
25.20 mi15:50:454:25:3210:323:54
11:19
#24551
Finish
26.22 mi16:01:064:35:5310:3210:21
10:09
#24521
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi244809950995024942(Top 88%)10180(Top 83%)10180(Top 186%)
10K6.21 mi3.10 mi24669-18910045-9510045-9524796(Top 87%)10119(Top 83%)10119(Top 185%)
15K9.32 mi3.11 mi24762-9310093-4810093-4824942(Top 88%)10180(Top 83%)10180(Top 186%)
20K12.43 mi3.11 mi24727+3510086+710086+724714(Top 87%)10112(Top 83%)10112(Top 185%)
Half13.11 mi0.68 mi24766-3910105-1910105-1925392(Top 89%)10484(Top 86%)10484(Top 192%)
25K15.53 mi2.42 mi24817-5110156-5110156-5124926(Top 88%)10244(Top 84%)10244(Top 187%)
30K18.64 mi3.11 mi24815+210179-2310179-2324712(Top 87%)10244(Top 84%)10244(Top 187%)
20M20.00 mi1.36 mi24750+6510157+2210157+2223943(Top 84%)9929(Top 81%)9929(Top 182%)
21M21.00 mi1.00 mi24672+7810127+3010127+3023139(Top 81%)9566(Top 78%)9566(Top 175%)
35K21.75 mi0.75 mi24677-510137-1010137-1024331(Top 86%)10241(Top 84%)10241(Top 187%)
23M23.00 mi1.25 mi24639+3810138-110138-123868(Top 84%)10037(Top 82%)10037(Top 184%)
24M24.00 mi1.00 mi24586+5310122+1610122+1623507(Top 83%)9881(Top 81%)9881(Top 181%)
40K24.85 mi0.85 mi24589-310129-710129-724540(Top 86%)10445(Top 85%)10445(Top 191%)
25.2M25.20 mi0.35 mi24551+3810113+1610113+1621611(Top 76%)8980(Top 73%)8980(Top 164%)
Finish26.22 mi1.02 mi24521+3010108+510108+523425(Top 82%)9892(Top 81%)9892(Top 181%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

24942

Females

10180

F18-39

10180

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

24796

Females

10119

F18-39

10119

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

24942

Females

10180

F18-39

10180

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

24714

Females

10112

F18-39

10112

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

25392

Females

10484

F18-39

10484

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

24926

Females

10244

F18-39

10244

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

24712

Females

10244

F18-39

10244

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

23943

Females

9929

F18-39

9929

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

23139

Females

9566

F18-39

9566

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

24331

Females

10241

F18-39

10241

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

23868

Females

10037

F18-39

10037

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

23507

Females

9881

F18-39

9881

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24540

Females

10445

F18-39

10445

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21611

Females

8980

F18-39

8980

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

23425

Females

9892

F18-39

9892

Passing Analysis

Category:
Athletes Passed
1108
Passed By
1149
Net Change
-41
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24480
5K → 10K137326-189#24480#24669
10K → 15K109202-93#24669#24762
15K → 20K156121+35#24762#24727
20K → Half1049-39#24727#24766
Half → 25K82133-51#24766#24817
25K → 30K140138+2#24817#24815
30K → 20M8924+65#24815#24750
20M → 21M9921+78#24750#24672
21M → 35K2833-5#24672#24677
35K → 23M7436+38#24677#24639
23M → 24M6411+53#24639#24586
24M → 40K3134-3#24586#24589
40K → 25.2M413+38#24589#24551
25.2M → Finish4818+30#24551#24521
TOTALS11081149-41
📊

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