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BOSTON MARATHON 2025

Neelam Kahlon-Pfister

Bib: 13575•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
Masters (Masters Women)
#0 / 6759
Top 38%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:59
Rank: #14152
Start → 5K
23:59 | 7:43/mi
10K· 6.21 mi
48:27
Rank: #14778 (-626)
5K → 10K
24:28 | 7:53/mi
15K· 9.32 mi
1:13:20
Rank: #15232 (-454)
10K → 15K
24:53 | 8:01/mi
20K· 12.43 mi
1:40:43
Rank: #16723 (-1491)
15K → 20K
27:23 | 8:49/mi
Half· 13.11 mi
1:46:34
Rank: #16889 (-166)
20K → Half
5:51 | 8:34/mi
25K· 15.53 mi
2:07:27
Rank: #16989 (-100)
Half → 25K
20:53 | 8:37/mi
30K· 18.64 mi
2:35:45
Rank: #17165 (-176)
25K → 30K
28:18 | 9:07/mi
20M
2:48:11
Rank: #17197 (-32)
30K → 20M
12:26 | 9:09/mi
21M
2:58:02
Rank: #17218 (-21)
20M → 21M
9:51 | 9:51/mi
35K· 21.75 mi
3:04:41
Rank: #17221 (-3)
21M → 35K
6:39 | 8:53/mi
23M
3:16:07
Rank: #17202 (+19)
35K → 23M
11:26 | 9:08/mi
24M
3:25:00
Rank: #17168 (+34)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:32:35
Rank: #17106 (+62)
24M → 40K
7:35 | 8:52/mi
25.2M
3:35:59
Rank: #17089 (+17)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:44:38
Rank: #17041 (+48)
25.2M → Finish
8:39 | 8:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:34
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:58:04
Pace9:00 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5723:597:4323:59
7:43
-
10K
6.21 mi11:18:2548:277:4824:28
7:53
+0:10
15K
9.32 mi11:43:181:13:207:5224:53
8:01
+0:08
20K
12.43 mi12:10:411:40:438:0627:23
8:49
+0:48
Half
13.11 mi12:16:321:46:348:085:51
8:34
-0:15
25K
15.53 mi12:37:252:07:278:1220:53
8:37
+0:03
30K
18.64 mi13:05:432:35:458:2128:18
9:07
+0:30
20M
20.00 mi13:18:092:48:118:2512:26
9:09
+0:02
21M
21.00 mi13:28:002:58:028:299:51
9:51
+0:42
35K
21.75 mi13:34:393:04:418:306:39
8:53
-0:58
23M
23.00 mi13:46:053:16:078:3211:26
9:08
+0:15
24M
24.00 mi13:54:583:25:008:338:53
8:53
-0:15
40K
24.85 mi14:02:333:32:358:337:35
8:52
-0:01
25.2M
25.20 mi14:05:573:35:598:343:24
9:52
+1:00
Finish
26.22 mi14:14:363:44:388:348:39
8:29
-1:23

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

7:43 /mi

Average Pace

8:34 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:59

36% of race

Time at Steady Pace

2:09:24

58% of race

Time at Slower Pace

13:15

6% of race

Average Pace: 8:34 /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 mi10:53:5723:597:4323:59
7:43
#14152
10K
6.21 mi11:18:2548:277:4824:28
7:53
#14778
15K
9.32 mi11:43:181:13:207:5224:53
8:01
#15232
20K
12.43 mi12:10:411:40:438:0627:23
8:49
#16723
Half
13.11 mi12:16:321:46:348:085:51
8:34
#16889
25K
15.53 mi12:37:252:07:278:1220:53
8:37
#16989
30K
18.64 mi13:05:432:35:458:2128:18
9:07
#17165
20M
20.00 mi13:18:092:48:118:2512:26
9:09
#17197
21M
21.00 mi13:28:002:58:028:299:51
9:51
#17218
35K
21.75 mi13:34:393:04:418:306:39
8:53
#17221
23M
23.00 mi13:46:053:16:078:3211:26
9:08
#17202
24M
24.00 mi13:54:583:25:008:338:53
8:53
#17168
40K
24.85 mi14:02:333:32:358:337:35
8:52
#17106
25.2M
25.20 mi14:05:573:35:598:343:24
9:52
#17089
Finish
26.22 mi14:14:363:44:388:348:39
8:29
#17041
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi141524008400816129(Top 57%)5220(Top 43%)5220(Top 304%)
10K6.21 mi3.10 mi14778-6264419-4114419-41115503(Top 55%)4841(Top 40%)4841(Top 282%)
15K9.32 mi3.11 mi15232-4544695-2764695-27616129(Top 57%)5220(Top 43%)5220(Top 304%)
20K12.43 mi3.11 mi16723-14915571-8765571-87620004(Top 70%)7478(Top 61%)7478(Top 435%)
Half13.11 mi0.68 mi16889-1665675-1045675-10419685(Top 69%)7273(Top 59%)7273(Top 423%)
25K15.53 mi2.42 mi16989-1005754-795754-7917879(Top 63%)6357(Top 52%)6357(Top 370%)
30K18.64 mi3.11 mi17165-1765915-1615915-16118229(Top 64%)6703(Top 55%)6703(Top 390%)
20M20.00 mi1.36 mi17197-325966-515966-5117537(Top 62%)6434(Top 53%)6434(Top 375%)
21M21.00 mi1.00 mi17218-216004-386004-3817710(Top 62%)6643(Top 54%)6643(Top 387%)
35K21.75 mi0.75 mi17221-36032-286032-2817719(Top 62%)6743(Top 55%)6743(Top 392%)
23M23.00 mi1.25 mi17202+196054-226054-2217019(Top 60%)6462(Top 53%)6462(Top 376%)
24M24.00 mi1.00 mi17168+346056-26056-216777(Top 59%)6367(Top 52%)6367(Top 371%)
40K24.85 mi0.85 mi17106+626046+106046+1015614(Top 55%)5860(Top 48%)5860(Top 341%)
25.2M25.20 mi0.35 mi17089+176056-106056-1016435(Top 58%)6296(Top 51%)6296(Top 366%)
Finish26.22 mi1.02 mi17041+486046+106046+1016173(Top 57%)6117(Top 50%)6117(Top 356%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

16129

Females

5220

F40-44

5220

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

15503

Females

4841

F40-44

4841

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

16129

Females

5220

F40-44

5220

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

20004

Females

7478

F40-44

7478

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

19685

Females

7273

F40-44

7273

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

17879

Females

6357

F40-44

6357

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18229

Females

6703

F40-44

6703

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17537

Females

6434

F40-44

6434

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

17710

Females

6643

F40-44

6643

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17719

Females

6743

F40-44

6743

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

17019

Females

6462

F40-44

6462

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16777

Females

6367

F40-44

6367

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15614

Females

5860

F40-44

5860

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16435

Females

6296

F40-44

6296

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16173

Females

6117

F40-44

6117

Passing Analysis

Category:
Athletes Passed
1236
Passed By
4125
Net Change
-2889
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14152
5K → 10K117743-626#14152#14778
10K → 15K90544-454#14778#15232
15K → 20K271518-1491#15232#16723
20K → Half9175-166#16723#16889
Half → 25K123223-100#16889#16989
25K → 30K174350-176#16989#17165
30K → 20M95127-32#17165#17197
20M → 21M106127-21#17197#17218
21M → 35K6871-3#17218#17221
35K → 23M11697+19#17221#17202
23M → 24M9157+34#17202#17168
24M → 40K9331+62#17168#17106
40K → 25.2M4326+17#17106#17089
25.2M → Finish8436+48#17089#17041
TOTALS12364125-2889
📊

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