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BOSTON MARATHON 2023

Jennifer Aronson

Bib: 24242•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:54
Rank: #20369
Start → 5K
8:59/mi
27:54 split
10K· 6.21 mi
55:47
Rank: #20557 (-188)
5K → 10K
8:58/mi
27:53 split
15K· 9.32 mi
1:23:46
Rank: #20513 (+44)
10K → 15K
9:00/mi
27:59 split
20K· 12.43 mi
1:53:26
Rank: #20905 (-392)
15K → 20K
9:33/mi
29:40 split
Half· 13.11 mi
1:59:46
Rank: #20930 (-25)
20K → Half
9:17/mi
6:20 split
25K· 15.53 mi
2:23:43
Rank: #21132 (-202)
Half → 25K
9:53/mi
23:57 split
30K· 18.64 mi
2:57:34
Rank: #21558 (-426)
25K → 30K
10:54/mi
33:51 split
20M
3:13:19
Rank: #21778 (-220)
30K → 20M
11:35/mi
15:45 split
21M
3:24:32
Rank: #21764 (+14)
20M → 21M
11:13/mi
11:13 split
35K· 21.75 mi
3:32:45
Rank: #21847 (-83)
21M → 35K
10:59/mi
8:13 split
23M
3:49:17
Rank: #22158 (-311)
35K → 23M
13:12/mi
16:32 split
24M
4:00:23
Rank: #22220 (-62)
23M → 24M
11:06/mi
11:06 split
40K· 24.85 mi
4:12:25
Rank: #22470 (-250)
24M → 40K
14:04/mi
12:02 split
25.2M
4:17:33
Rank: #22573 (-103)
40K → 25.2M
14:53/mi
5:08 split
Finish· 26.22 mi
4:29:04
Rank: #22657 (-84)
25.2M → Finish
11:18/mi
11:31 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:46
Pace9:08 /mi
2nd Half
Distance13.11 mi
Time2:29:18
Pace11:23 /mi
📊Positive Split: 24.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4327:548:5927:54
8:59
-
10K
6.21 mi12:16:3655:478:5927:53
8:58
-0:01
15K
9.32 mi12:44:351:23:468:5927:59
9:00
+0:02
20K
12.43 mi13:14:151:53:269:0829:40
9:33
+0:33
Half
13.11 mi13:20:351:59:469:086:20
9:17
-0:16
25K
15.53 mi13:44:322:23:439:1523:57
9:53
+0:36
30K
18.64 mi14:18:232:57:349:3233:51
10:54
+1:01
20M
20.00 mi14:34:083:13:199:4015:45
11:35
+0:41
21M
21.00 mi14:45:213:24:329:4411:13
11:13
-0:22
35K
21.75 mi14:53:343:32:459:478:13
10:59
-0:14
23M
23.00 mi15:10:063:49:179:5816:32
13:12
+2:13
24M
24.00 mi15:21:124:00:2310:0111:06
11:06
-2:06
40K
24.85 mi15:33:144:12:2510:0912:02
14:04
+2:58
25.2M
25.20 mi15:38:224:17:3310:135:08
14:53
+0:49
Finish
26.22 mi15:49:534:29:0410:1611:31
11:18
-3:35

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

8:58 /mi

Average Pace

10:16 /mi

Slowest Pace

14:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:43

53% of race

Time at Steady Pace

1:31:39

34% of race

Time at Slower Pace

33:42

13% of race

Average Pace: 10:16 /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 mi11:48:4327:548:5927:54
8:59
#20369
10K
6.21 mi12:16:3655:478:5927:53
8:58
#20557
15K
9.32 mi12:44:351:23:468:5927:59
9:00
#20513
20K
12.43 mi13:14:151:53:269:0829:40
9:33
#20905
Half
13.11 mi13:20:351:59:469:086:20
9:17
#20930
25K
15.53 mi13:44:322:23:439:1523:57
9:53
#21132
30K
18.64 mi14:18:232:57:349:3233:51
10:54
#21558
20M
20.00 mi14:34:083:13:199:4015:45
11:35
#21778
21M
21.00 mi14:45:213:24:329:4411:13
11:13
#21764
35K
21.75 mi14:53:343:32:459:478:13
10:59
#21847
23M
23.00 mi15:10:063:49:179:5816:32
13:12
#22158
24M
24.00 mi15:21:124:00:2310:0111:06
11:06
#22220
40K
24.85 mi15:33:144:12:2510:0912:02
14:04
#22470
25.2M
25.20 mi15:38:224:17:3310:135:08
14:53
#22573
Finish
26.22 mi15:49:534:29:0410:1611:31
11:18
#22657
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi203698039803920547(Top 77%)7986(Top 70%)7986(Top 1515%)
10K6.21 mi3.10 mi20557-1888071-328071-3220784(Top 78%)8144(Top 71%)8144(Top 1545%)
15K9.32 mi3.11 mi20513+448022+498022+4920547(Top 77%)7986(Top 70%)7986(Top 1515%)
20K12.43 mi3.11 mi20905-3928221-1998221-19921702(Top 82%)8628(Top 76%)8628(Top 1637%)
Half13.11 mi0.68 mi20930-258230-98230-921492(Top 81%)8521(Top 75%)8521(Top 1617%)
25K15.53 mi2.42 mi21132-2028348-1188348-11821935(Top 82%)8804(Top 77%)8804(Top 1671%)
30K18.64 mi3.11 mi21558-4268590-2428590-24222935(Top 86%)9431(Top 83%)9431(Top 1790%)
20M20.00 mi1.36 mi21778-2208722-1328722-13223657(Top 89%)9870(Top 86%)9870(Top 1873%)
21M21.00 mi1.00 mi21764+148723-18723-121325(Top 80%)8639(Top 76%)8639(Top 1639%)
35K21.75 mi0.75 mi21847-838780-578780-5723290(Top 87%)9753(Top 85%)9753(Top 1851%)
23M23.00 mi1.25 mi22158-3118964-1848964-18425277(Top 95%)10778(Top 94%)10778(Top 2045%)
24M24.00 mi1.00 mi22220-629000-369000-3623238(Top 87%)9758(Top 85%)9758(Top 1852%)
40K24.85 mi0.85 mi22470-2509155-1559155-15525729(Top 97%)11041(Top 97%)11041(Top 2095%)
25.2M25.20 mi0.35 mi22573-1039215-609215-6025633(Top 96%)10989(Top 96%)10989(Top 2085%)
Finish26.22 mi1.02 mi22657-849268-539268-5324430(Top 92%)10370(Top 91%)10370(Top 1968%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

20547

Females

7986

F60-64

7986

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

20784

Females

8144

F60-64

8144

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

20547

Females

7986

F60-64

7986

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21702

Females

8628

F60-64

8628

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

21492

Females

8521

F60-64

8521

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

21935

Females

8804

F60-64

8804

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

22935

Females

9431

F60-64

9431

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

23657

Females

9870

F60-64

9870

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

21325

Females

8639

F60-64

8639

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

23290

Females

9753

F60-64

9753

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

25277

Females

10778

F60-64

10778

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

23238

Females

9758

F60-64

9758

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25729

Females

11041

F60-64

11041

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25633

Females

10989

F60-64

10989

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

24430

Females

10370

F60-64

10370

Passing Analysis

Category:
Athletes Passed
714
Passed By
3002
Net Change
-2288
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20369
5K → 10K206394-188#20369#20557
10K → 15K193149+44#20557#20513
15K → 20K62454-392#20513#20905
20K → Half2045-25#20905#20930
Half → 25K48250-202#20930#21132
25K → 30K35461-426#21132#21558
30K → 20M21241-220#21558#21778
20M → 21M5844+14#21778#21764
21M → 35K17100-83#21764#21847
35K → 23M7318-311#21847#22158
23M → 24M2183-62#22158#22220
24M → 40K3253-250#22220#22470
40K → 25.2M1104-103#22470#22573
25.2M → Finish22106-84#22573#22657
TOTALS7143002-2288
📊

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