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BOSTON MARATHON 2025

Kaileen Hart

Bib: 14783•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:43
Rank: #10488
Start → 5K
22:43 | 7:19/mi
10K· 6.21 mi
45:12
Rank: #10118 (+370)
5K → 10K
22:29 | 7:14/mi
15K· 9.32 mi
1:07:36
Rank: #9774 (+344)
10K → 15K
22:24 | 7:13/mi
20K· 12.43 mi
1:30:12
Rank: #9486 (+288)
15K → 20K
22:36 | 7:16/mi
Half· 13.11 mi
1:35:09
Rank: #9478 (+8)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:53:03
Rank: #9379 (+99)
Half → 25K
17:54 | 7:23/mi
30K· 18.64 mi
2:16:39
Rank: #9108 (+271)
25K → 30K
23:36 | 7:36/mi
20M
2:26:45
Rank: #8846 (+262)
30K → 20M
10:06 | 7:26/mi
21M
2:34:23
Rank: #8564 (+282)
20M → 21M
7:38 | 7:38/mi
35K· 21.75 mi
2:39:37
Rank: #8391 (+173)
21M → 35K
5:14 | 7:00/mi
23M
2:48:33
Rank: #8048 (+343)
35K → 23M
8:56 | 7:08/mi
24M
2:55:32
Rank: #7831 (+217)
23M → 24M
6:59 | 6:59/mi
40K· 24.85 mi
3:01:28
Rank: #7593 (+238)
24M → 40K
5:56 | 6:56/mi
25.2M
3:04:06
Rank: #7511 (+82)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
3:10:42
Rank: #7249 (+262)
25.2M → Finish
6:36 | 6:29/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:35:09
Pace7:15 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:35:33
Pace7:17 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:2522:437:1922:43
7:19
-
10K
6.21 mi11:18:5445:127:1622:29
7:14
-0:05
15K
9.32 mi11:41:181:07:367:1522:24
7:13
-0:01
20K
12.43 mi12:03:541:30:127:1522:36
7:16
+0:03
Half
13.11 mi12:08:511:35:097:154:57
7:15
-0:01
25K
15.53 mi12:26:451:53:037:1717:54
7:23
+0:08
30K
18.64 mi12:50:212:16:397:2023:36
7:36
+0:13
20M
20.00 mi13:00:272:26:457:2010:06
7:26
-0:10
21M
21.00 mi13:08:052:34:237:217:38
7:38
+0:12
35K
21.75 mi13:13:192:39:377:205:14
7:00
-0:38
23M
23.00 mi13:22:152:48:337:208:56
7:08
+0:08
24M
24.00 mi13:29:142:55:327:196:59
6:59
-0:09
40K
24.85 mi13:35:103:01:287:185:56
6:56
-0:03
25.2M
25.20 mi13:37:483:04:067:182:38
7:38
+0:42
Finish
26.22 mi13:44:243:10:427:176:36
6:29
-1:09

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

6:29 /mi

Average Pace

7:17 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

24:45

13% of race

Time at Steady Pace

2:45:57

87% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:16 /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 mi10:56:2522:437:1922:43
7:19
#10488
10K
6.21 mi11:18:5445:127:1622:29
7:14
#10118
15K
9.32 mi11:41:181:07:367:1522:24
7:13
#9774
20K
12.43 mi12:03:541:30:127:1522:36
7:16
#9486
Half
13.11 mi12:08:511:35:097:154:57
7:15
#9478
25K
15.53 mi12:26:451:53:037:1717:54
7:23
#9379
30K
18.64 mi12:50:212:16:397:2023:36
7:36
#9108
20M
20.00 mi13:00:272:26:457:2010:06
7:26
#8846
21M
21.00 mi13:08:052:34:237:217:38
7:38
#8564
35K
21.75 mi13:13:192:39:377:205:14
7:00
#8391
23M
23.00 mi13:22:152:48:337:208:56
7:08
#8048
24M
24.00 mi13:29:142:55:327:196:59
6:59
#7831
40K
24.85 mi13:35:103:01:287:185:56
6:56
#7593
25.2M
25.20 mi13:37:483:04:067:182:38
7:38
#7511
Finish
26.22 mi13:44:243:10:427:176:36
6:29
#7249
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10488202520259225(Top 32%)1524(Top 12%)1524(Top 28%)
10K6.21 mi3.10 mi10118+3701867+1581867+1589814(Top 35%)1743(Top 14%)1743(Top 32%)
15K9.32 mi3.11 mi9774+3441727+1401727+1409225(Top 32%)1524(Top 12%)1524(Top 28%)
20K12.43 mi3.11 mi9486+2881631+961631+968843(Top 31%)1452(Top 12%)1452(Top 27%)
Half13.11 mi0.68 mi9478+81635-41635-49615(Top 34%)1743(Top 14%)1743(Top 32%)
25K15.53 mi2.42 mi9379+991619+161619+169024(Top 32%)1640(Top 13%)1640(Top 30%)
30K18.64 mi3.11 mi9108+2711554+651554+658421(Top 30%)1560(Top 13%)1560(Top 29%)
20M20.00 mi1.36 mi8846+2621472+821472+826602(Top 23%)1010(Top 8%)1010(Top 18%)
21M21.00 mi1.00 mi8564+2821392+801392+805330(Top 19%)705(Top 6%)705(Top 13%)
35K21.75 mi0.75 mi8391+1731347+451347+455378(Top 19%)732(Top 6%)732(Top 13%)
23M23.00 mi1.25 mi8048+3431263+841263+844548(Top 16%)554(Top 5%)554(Top 10%)
24M24.00 mi1.00 mi7831+2171217+461217+464583(Top 16%)608(Top 5%)608(Top 11%)
40K24.85 mi0.85 mi7593+2381158+591158+593619(Top 13%)414(Top 3%)414(Top 8%)
25.2M25.20 mi0.35 mi7511+821144+141144+144128(Top 15%)606(Top 5%)606(Top 11%)
Finish26.22 mi1.02 mi7249+2621071+731071+732747(Top 10%)277(Top 2%)277(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

9225

Females

1524

F18-39

1524

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9814

Females

1743

F18-39

1743

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

9225

Females

1524

F18-39

1524

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8843

Females

1452

F18-39

1452

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9615

Females

1743

F18-39

1743

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

9024

Females

1640

F18-39

1640

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8421

Females

1560

F18-39

1560

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6602

Females

1010

F18-39

1010

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5330

Females

705

F18-39

705

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5378

Females

732

F18-39

732

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4548

Females

554

F18-39

554

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4583

Females

608

F18-39

608

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3619

Females

414

F18-39

414

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4128

Females

606

F18-39

606

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2747

Females

277

F18-39

277

Passing Analysis

Category:
Athletes Passed
3670*
Passed By
431
Net Change
+3239
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10488
5K → 10K475105+370#10488#10118
10K → 15K389*45+344#10118#9774
15K → 20K33143+288#9774#9486
20K → Half4133+8#9486#9478
Half → 25K19697+99#9478#9379
25K → 30K35483+271#9379#9108
30K → 20M2719+262#9108#8846
20M → 21M2831+282#8846#8564
21M → 35K1752+173#8564#8391
35K → 23M3485+343#8391#8048
23M → 24M2203+217#8048#7831
24M → 40K2402+238#7831#7593
40K → 25.2M842+82#7593#7511
25.2M → Finish2631+262#7511#7249
TOTALS3670*431+3239

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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