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BOSTON MARATHON 2025

Jennifer Aronson

Bib: 25346•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:44
Rank: #22127
Start → 5K
8:56/mi
27:44 split
10K· 6.21 mi
56:13
Rank: #22615 (-488)
5K → 10K
9:10/mi
28:29 split
15K· 9.32 mi
1:25:11
Rank: #22879 (-264)
10K → 15K
9:19/mi
28:58 split
20K· 12.43 mi
1:56:22
Rank: #23333 (-454)
15K → 20K
10:02/mi
31:11 split
Half· 13.11 mi
2:02:58
Rank: #23378 (-45)
20K → Half
9:40/mi
6:36 split
25K· 15.53 mi
2:30:58
Rank: #24027 (-649)
Half → 25K
11:33/mi
28:00 split
30K· 18.64 mi
3:05:38
Rank: #24134 (-107)
25K → 30K
11:09/mi
34:40 split
20M
3:20:21
Rank: #24045 (+89)
30K → 20M
10:50/mi
14:43 split
21M
3:36:24
Rank: #24473 (-428)
20M → 21M
16:03/mi
16:03 split
35K· 21.75 mi
3:43:50
Rank: #24389 (+84)
21M → 35K
9:56/mi
7:26 split
23M
4:00:53
Rank: #24643 (-254)
35K → 23M
13:37/mi
17:03 split
24M
4:11:47
Rank: #24600 (+43)
23M → 24M
10:54/mi
10:54 split
40K· 24.85 mi
4:21:46
Rank: #24599 (+1)
24M → 40K
11:41/mi
9:59 split
25.2M
4:26:22
Rank: #24636 (-37)
40K → 25.2M
13:20/mi
4:36 split
Finish· 26.22 mi
4:36:49
Rank: #24599 (+37)
25.2M → Finish
10:15/mi
10:27 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:58
Pace9:23 /mi
2nd Half
Distance13.11 mi
Time2:33:51
Pace11:44 /mi
📊Positive Split: 25.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:4227:448:5627:44
8:56
-
10K
6.21 mi11:56:1156:139:0328:29
9:10
+0:14
15K
9.32 mi12:25:091:25:119:0828:58
9:19
+0:09
20K
12.43 mi12:56:201:56:229:2231:11
10:02
+0:43
Half
13.11 mi13:02:562:02:589:236:36
9:40
-0:22
25K
15.53 mi13:30:562:30:589:4328:00
11:33
+1:53
30K
18.64 mi14:05:363:05:389:5734:40
11:09
-0:24
20M
20.00 mi14:20:193:20:2110:0114:43
10:50
-0:19
21M
21.00 mi14:36:223:36:2410:1816:03
16:03
+5:13
35K
21.75 mi14:43:483:43:5010:187:26
9:56
-6:07
23M
23.00 mi15:00:514:00:5310:2817:03
13:37
+3:41
24M
24.00 mi15:11:454:11:4710:2910:54
10:54
-2:43
40K
24.85 mi15:21:444:21:4610:329:59
11:41
+0:47
25.2M
25.20 mi15:26:204:26:2210:344:36
13:20
+1:39
Finish
26.22 mi15:36:474:36:4910:3410:27
10:15
-3:05

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

8:56 /mi

Average Pace

10:34 /mi

Slowest Pace

16:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:47

33% of race

Time at Steady Pace

2:27:20

53% of race

Time at Slower Pace

37:42

14% of race

Average Pace: 10:33 /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 mi11:27:4227:448:5627:44
8:56
#22127
10K
6.21 mi11:56:1156:139:0328:29
9:10
#22615
15K
9.32 mi12:25:091:25:119:0828:58
9:19
#22879
20K
12.43 mi12:56:201:56:229:2231:11
10:02
#23333
Half
13.11 mi13:02:562:02:589:236:36
9:40
#23378
25K
15.53 mi13:30:562:30:589:4328:00
11:33
#24027
30K
18.64 mi14:05:363:05:389:5734:40
11:09
#24134
20M
20.00 mi14:20:193:20:2110:0114:43
10:50
#24045
21M
21.00 mi14:36:223:36:2410:1816:03
16:03
#24473
35K
21.75 mi14:43:483:43:5010:187:26
9:56
#24389
23M
23.00 mi15:00:514:00:5310:2817:03
13:37
#24643
24M
24.00 mi15:11:454:11:4710:2910:54
10:54
#24600
40K
24.85 mi15:21:444:21:4610:329:59
11:41
#24599
25.2M
25.20 mi15:26:204:26:2210:344:36
13:20
#24636
Finish
26.22 mi15:36:474:36:4910:3410:27
10:15
#24599
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi221278701870123290(Top 82%)9257(Top 76%)9257(Top 1483%)
10K6.21 mi3.10 mi22615-4888948-2478948-24723082(Top 81%)9178(Top 75%)9178(Top 1471%)
15K9.32 mi3.11 mi22879-2649058-1109058-11023290(Top 82%)9257(Top 76%)9257(Top 1483%)
20K12.43 mi3.11 mi23333-4549304-2469304-24624303(Top 86%)9882(Top 81%)9882(Top 1584%)
Half13.11 mi0.68 mi23378-459330-269330-2624064(Top 85%)9747(Top 80%)9747(Top 1562%)
25K15.53 mi2.42 mi24027-6499719-3899719-38925924(Top 91%)10819(Top 88%)10819(Top 1734%)
30K18.64 mi3.11 mi24134-1079800-819800-8124307(Top 86%)10030(Top 82%)10030(Top 1607%)
20M20.00 mi1.36 mi24045+899780+209780+2023250(Top 82%)9558(Top 78%)9558(Top 1532%)
21M21.00 mi1.00 mi24473-42810016-23610016-23627834(Top 98%)11974(Top 98%)11974(Top 1919%)
35K21.75 mi0.75 mi24389+849985+319985+3121758(Top 77%)8916(Top 73%)8916(Top 1429%)
23M23.00 mi1.25 mi24643-25410139-15410139-15426987(Top 95%)11597(Top 95%)11597(Top 1858%)
24M24.00 mi1.00 mi24600+4310130+910130+923784(Top 84%)10018(Top 82%)10018(Top 1605%)
40K24.85 mi0.85 mi24599+110137-710137-724451(Top 86%)10399(Top 85%)10399(Top 1667%)
25.2M25.20 mi0.35 mi24636-3710164-2710164-2725493(Top 90%)10940(Top 89%)10940(Top 1753%)
Finish26.22 mi1.02 mi24599+3710153+1110153+1123696(Top 83%)10023(Top 82%)10023(Top 1606%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

23290

Females

9257

F60-64

9257

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

23082

Females

9178

F60-64

9178

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

23290

Females

9257

F60-64

9257

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24303

Females

9882

F60-64

9882

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24064

Females

9747

F60-64

9747

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25924

Females

10819

F60-64

10819

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

24307

Females

10030

F60-64

10030

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

23250

Females

9558

F60-64

9558

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

27834

Females

11974

F60-64

11974

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

21758

Females

8916

F60-64

8916

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

26987

Females

11597

F60-64

11597

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

23784

Females

10018

F60-64

10018

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24451

Females

10399

F60-64

10399

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25493

Females

10940

F60-64

10940

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23696

Females

10023

F60-64

10023

Passing Analysis

Category:
Athletes Passed
785
Passed By
3257
Net Change
-2472
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22127
5K → 10K95583-488#22127#22615
10K → 15K99363-264#22615#22879
15K → 20K62516-454#22879#23333
20K → Half2368-45#23333#23378
Half → 25K20669-649#23378#24027
25K → 30K112219-107#24027#24134
30K → 20M12132+89#24134#24045
20M → 21M5433-428#24045#24473
21M → 35K862+84#24473#24389
35K → 23M13267-254#24389#24643
23M → 24M5916+43#24643#24600
24M → 40K3130+1#24600#24599
40K → 25.2M845-37#24599#24636
25.2M → Finish5114+37#24636#24599
TOTALS7853257-2472
📊

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