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BOSTON MARATHON 2025

Kara Allen

Bib: 23695•F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:26/mi
26:11
↑ 97↓ 3451.5%
10K· 6.21 mi
8:39/mi
53:03
↑ 79↓ 1380.4%
15K· 9.32 mi
8:39/mi
1:19:55
↑ 67↓ 78
20K· 12.43 mi
8:49/mi
1:47:17
↑ 106↓ 860.1%
Half· 13.11 mi
8:34/mi
1:53:08
↑ 19↓ 370.5%
25K· 15.53 mi
8:55/mi
2:14:46
↑ 66↓ 880.2%
30K· 18.64 mi
10:23/mi
2:47:01
↑ 181↓ 1480.2%
20M
10:47/mi
3:01:40
↑ 64↓ 500.2%
21M
12:49/mi
3:14:29
↑ 106↓ 241.6%
35K· 21.75 mi
11:54/mi
3:23:23
↑ 17↓ 861.7%
23M
11:02/mi
3:37:12
↑ 23↓ 630.6%
24M
12:18/mi
3:49:30
↓ 821.3%
40K· 24.85 mi
14:47/mi
4:02:08
↓ 200.3%
25.2M
13:12/mi
4:06:41
↑ 13↓ 160.2%
Finish· 26.22 mi
14:01/mi
4:20:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:08
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time2:27:50
Pace11:17 /mi
📊Positive Split: 30.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:5226:118:2626:11
8:26
-
10K
6.21 mi11:51:4453:038:3226:52
8:39
+0:13
15K
9.32 mi12:18:361:19:558:3426:52
8:39
0:00
20K
12.43 mi12:45:581:47:178:3827:22
8:49
+0:10
Half
13.11 mi12:51:491:53:088:385:51
8:34
-0:15
25K
15.53 mi13:13:272:14:468:4121:38
8:55
+0:21
30K
18.64 mi13:45:422:47:018:5832:15
10:23
+1:28
20M
20.00 mi14:00:213:01:409:0514:39
10:47
+0:24
21M
21.00 mi14:13:103:14:299:1612:49
12:49
+2:02
35K
21.75 mi14:22:043:23:239:218:54
11:54
-0:55
23M
23.00 mi14:35:533:37:129:2713:49
11:02
-0:52
24M
24.00 mi14:48:113:49:309:3412:18
12:18
+1:16
40K
24.85 mi15:00:494:02:089:4512:38
14:47
+2:29
25.2M
25.20 mi15:05:224:06:419:474:33
13:12
-1:35
Finish
26.22 mi15:19:394:20:589:5814:17
14:01
+0:49

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

8:26 /mi

Average Pace

9:58 /mi

Slowest Pace

14:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:46

52% of race

Time at Steady Pace

1:00:43

23% of race

Time at Slower Pace

1:05:29

25% of race

Average Pace: 9:57 /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 mi11:24:5226:118:2626:11
8:26
#19469
10K
6.21 mi11:51:4453:038:3226:52
8:39
#20071
15K
9.32 mi12:18:361:19:558:3426:52
8:39
#20106
20K
12.43 mi12:45:581:47:178:3827:22
8:49
#20043
Half
13.11 mi12:51:491:53:088:385:51
8:34
#20021
25K
15.53 mi13:13:272:14:468:4121:38
8:55
#19923
30K
18.64 mi13:45:422:47:018:5832:15
10:23
#20683
20M
20.00 mi14:00:213:01:409:0514:39
10:47
#20952
21M
21.00 mi14:13:103:14:299:1612:49
12:49
#21363
35K
21.75 mi14:22:043:23:239:218:54
11:54
#21657
23M
23.00 mi14:35:533:37:129:2713:49
11:02
#21776
24M
24.00 mi14:48:113:49:309:3412:18
12:18
#22071
40K
24.85 mi15:00:494:02:089:4512:38
14:47
#22505
25.2M
25.20 mi15:05:224:06:419:474:33
13:12
#22580
Finish
26.22 mi15:19:394:20:589:5814:17
14:01
#23059
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi194697181718120215(Top 71%)7558(Top 62%)7558(Top 580%)
10K6.21 mi3.10 mi20071-6027515-3347515-33420602(Top 73%)7807(Top 64%)7807(Top 599%)
15K9.32 mi3.11 mi20106-357531-167531-1620215(Top 71%)7558(Top 62%)7558(Top 580%)
20K12.43 mi3.11 mi20043+637497+347497+3419990(Top 70%)7475(Top 61%)7475(Top 574%)
Half13.11 mi0.68 mi20021+227488+97488+919759(Top 70%)7347(Top 60%)7347(Top 564%)
25K15.53 mi2.42 mi19923+987438+507438+5019550(Top 69%)7293(Top 60%)7293(Top 560%)
30K18.64 mi3.11 mi20683-7607917-4797917-47922663(Top 80%)9140(Top 75%)9140(Top 701%)
20M20.00 mi1.36 mi20952-2698070-1538070-15323145(Top 81%)9492(Top 78%)9492(Top 728%)
21M21.00 mi1.00 mi21363-4118318-2488318-24824823(Top 87%)10471(Top 86%)10471(Top 804%)
35K21.75 mi0.75 mi21657-2948485-1678485-16725712(Top 91%)10952(Top 90%)10952(Top 841%)
23M23.00 mi1.25 mi21776-1198591-1068591-10623319(Top 82%)9771(Top 80%)9771(Top 750%)
24M24.00 mi1.00 mi22071-2958776-1858776-18526063(Top 92%)11153(Top 91%)11153(Top 856%)
40K24.85 mi0.85 mi22505-4349035-2599035-25927671(Top 97%)11952(Top 98%)11952(Top 917%)
25.2M25.20 mi0.35 mi22580-759082-479082-4725306(Top 89%)10840(Top 89%)10840(Top 832%)
Finish26.22 mi1.02 mi23059-4799352-2709352-27028052(Top 99%)12109(Top 99%)12109(Top 929%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

20215

Females

7558

F50-54

7558

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

20602

Females

7807

F50-54

7807

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

20215

Females

7558

F50-54

7558

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

19990

Females

7475

F50-54

7475

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

19759

Females

7347

F50-54

7347

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

19550

Females

7293

F50-54

7293

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22663

Females

9140

F50-54

9140

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

23145

Females

9492

F50-54

9492

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

24823

Females

10471

F50-54

10471

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

25712

Females

10952

F50-54

10952

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

23319

Females

9771

F50-54

9771

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

26063

Females

11153

F50-54

11153

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

27671

Females

11952

F50-54

11952

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25306

Females

10840

F50-54

10840

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

28052

Females

12109

F50-54

12109

Passing Analysis

Category:
Athletes Passed
941
Passed By
4531
Net Change
-3590
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19469
5K → 10K90692-602#19469#20071
10K → 15K172207-35#20071#20106
15K → 20K221158+63#20106#20043
20K → Half4018+22#20043#20021
Half → 25K206108+98#20021#19923
25K → 30K75835-760#19923#20683
30K → 20M40309-269#20683#20952
20M → 21M21432-411#20952#21363
21M → 35K8302-294#21363#21657
35K → 23M48167-119#21657#21776
23M → 24M8303-295#21776#22071
24M → 40K5439-434#22071#22505
40K → 25.2M479-75#22505#22580
25.2M → Finish3482-479#22580#23059
TOTALS9414531-3590
📊

Passing Visuals

Category:
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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