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BOSTON MARATHON 2023

Jennifer Henning

Bib: 20977•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 47%
Gender (Female)
#0 / 11423
Top 30%
Masters (Masters Women)
#0 / 6539
Top 16%
Division (F45-49)
#0 / 1817
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:06
Rank: #11997
Start → 5K
24:06 | 7:45/mi
10K· 6.21 mi
47:22
Rank: #11129 (+868)
5K → 10K
23:16 | 7:29/mi
15K· 9.32 mi
1:11:03
Rank: #11135 (-6)
10K → 15K
23:41 | 7:37/mi
20K· 12.43 mi
1:35:07
Rank: #11147 (-12)
15K → 20K
24:04 | 7:45/mi
Half· 13.11 mi
1:40:23
Rank: #11176 (-29)
20K → Half
5:16 | 7:43/mi
25K· 15.53 mi
1:59:19
Rank: #11150 (+26)
Half → 25K
18:56 | 7:49/mi
30K· 18.64 mi
2:24:12
Rank: #11047 (+103)
25K → 30K
24:53 | 8:01/mi
20M
2:35:19
Rank: #11068 (-21)
30K → 20M
11:07 | 8:11/mi
21M
2:43:59
Rank: #11076 (-8)
20M → 21M
8:40 | 8:40/mi
35K· 21.75 mi
2:49:49
Rank: #11062 (+14)
21M → 35K
5:50 | 7:48/mi
23M
3:00:24
Rank: #11156 (-94)
35K → 23M
10:35 | 8:27/mi
24M
3:08:45
Rank: #11283 (-127)
23M → 24M
8:21 | 8:21/mi
40K· 24.85 mi
3:16:15
Rank: #11443 (-160)
24M → 40K
7:30 | 8:46/mi
25.2M
3:19:45
Rank: #11588 (-145)
40K → 25.2M
3:30 | 10:09/mi
Finish· 26.22 mi
3:30:44
Rank: #12455 (-867)
25.2M → Finish
10:59 | 10:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:23
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:50:21
Pace8:25 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1624:067:4524:06
7:45
-
10K
6.21 mi11:39:3247:227:3723:16
7:29
-0:16
15K
9.32 mi12:03:131:11:037:3723:41
7:37
+0:08
20K
12.43 mi12:27:171:35:077:3924:04
7:45
+0:08
Half
13.11 mi12:32:331:40:237:395:16
7:43
-0:02
25K
15.53 mi12:51:291:59:197:4118:56
7:49
+0:06
30K
18.64 mi13:16:222:24:127:4424:53
8:01
+0:12
20M
20.00 mi13:27:292:35:197:4611:07
8:11
+0:10
21M
21.00 mi13:36:092:43:597:498:40
8:40
+0:29
35K
21.75 mi13:41:592:49:497:495:50
7:48
-0:52
23M
23.00 mi13:52:343:00:247:5110:35
8:27
+0:39
24M
24.00 mi14:00:553:08:457:528:21
8:21
-0:06
40K
24.85 mi14:08:253:16:157:547:30
8:46
+0:25
25.2M
25.20 mi14:11:553:19:457:563:30
10:09
+1:23
Finish
26.22 mi14:22:543:30:448:0310:59
10:47
+0:38

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

7:29 /mi

Average Pace

8:03 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

23:16

11% of race

Time at Steady Pace

2:36:49

74% of race

Time at Slower Pace

30:39

15% of race

Average Pace: 8:02 /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 mi11:16:1624:067:4524:06
7:45
#11997
10K
6.21 mi11:39:3247:227:3723:16
7:29
#11129
15K
9.32 mi12:03:131:11:037:3723:41
7:37
#11135
20K
12.43 mi12:27:171:35:077:3924:04
7:45
#11147
Half
13.11 mi12:32:331:40:237:395:16
7:43
#11176
25K
15.53 mi12:51:291:59:197:4118:56
7:49
#11150
30K
18.64 mi13:16:222:24:127:4424:53
8:01
#11047
20M
20.00 mi13:27:292:35:197:4611:07
8:11
#11068
21M
21.00 mi13:36:092:43:597:498:40
8:40
#11076
35K
21.75 mi13:41:592:49:497:495:50
7:48
#11062
23M
23.00 mi13:52:343:00:247:5110:35
8:27
#11156
24M
24.00 mi14:00:553:08:457:528:21
8:21
#11283
40K
24.85 mi14:08:253:16:157:547:30
8:46
#11443
25.2M
25.20 mi14:11:553:19:457:563:30
10:09
#11588
Finish
26.22 mi14:22:543:30:448:0310:59
10:47
#12455
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi119972869286911220(Top 42%)2475(Top 22%)2475(Top 136%)
10K6.21 mi3.10 mi11129+8682394+4752394+47510379(Top 39%)1995(Top 17%)1995(Top 110%)
15K9.32 mi3.11 mi11135-62410-162410-1611220(Top 42%)2475(Top 22%)2475(Top 136%)
20K12.43 mi3.11 mi11147-122407+32407+311292(Top 42%)2572(Top 23%)2572(Top 142%)
Half13.11 mi0.68 mi11176-292429-222429-2212120(Top 46%)2998(Top 26%)2998(Top 165%)
25K15.53 mi2.42 mi11150+262437-82437-811191(Top 42%)2593(Top 23%)2593(Top 143%)
30K18.64 mi3.11 mi11047+1032431+62431+610997(Top 41%)2640(Top 23%)2640(Top 145%)
20M20.00 mi1.36 mi11068-212474-432474-4311595(Top 44%)3057(Top 27%)3057(Top 168%)
21M21.00 mi1.00 mi11076-82500-262500-2611486(Top 43%)3137(Top 27%)3137(Top 173%)
35K21.75 mi0.75 mi11062+142499+12499+110702(Top 40%)2736(Top 24%)2736(Top 151%)
23M23.00 mi1.25 mi11156-942579-802579-8012933(Top 49%)4029(Top 35%)4029(Top 222%)
24M24.00 mi1.00 mi11283-1272669-902669-9013545(Top 51%)4414(Top 39%)4414(Top 243%)
40K24.85 mi0.85 mi11443-1602782-1132782-11314940(Top 56%)5255(Top 46%)5255(Top 289%)
25.2M25.20 mi0.35 mi11588-1452870-882870-8817952(Top 67%)6923(Top 61%)6923(Top 381%)
Finish26.22 mi1.02 mi12455-8673379-5093379-50923574(Top 89%)9940(Top 87%)9940(Top 547%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11220

Females

2475

F45-49

2475

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10379

Females

1995

F45-49

1995

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11220

Females

2475

F45-49

2475

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11292

Females

2572

F45-49

2572

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

12120

Females

2998

F45-49

2998

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11191

Females

2593

F45-49

2593

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10997

Females

2640

F45-49

2640

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

11595

Females

3057

F45-49

3057

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

11486

Females

3137

F45-49

3137

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

10702

Females

2736

F45-49

2736

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

12933

Females

4029

F45-49

4029

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13545

Females

4414

F45-49

4414

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14940

Females

5255

F45-49

5255

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17952

Females

6923

F45-49

6923

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

23574

Females

9940

F45-49

9940

Passing Analysis

Category:
Athletes Passed
1996*
Passed By
2454
Net Change
-458
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11997
5K → 10K93365+868#11997#11129
10K → 15K188194-6#11129#11135
15K → 20K151163-12#11135#11147
20K → Half1544-29#11147#11176
Half → 25K139113+26#11176#11150
25K → 30K217114+103#11150#11047
30K → 20M87*108-21#11047#11068
20M → 21M7684-8#11068#11076
21M → 35K5137+14#11076#11062
35K → 23M59153-94#11062#11156
23M → 24M39166-127#11156#11283
24M → 40K27187-160#11283#11443
40K → 25.2M9154-145#11443#11588
25.2M → Finish5872-867#11588#12455
TOTALS1996*2454-458

* 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