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BOSTON MARATHON 2023

Jackie Horning

Bib: 21471•F

WI

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:59
Rank: #18790
Start → 5K
26:59 | 8:41/mi
10K· 6.21 mi
53:45
Rank: #18805 (-15)
5K → 10K
26:46 | 8:37/mi
15K· 9.32 mi
1:20:30
Rank: #18683 (+122)
10K → 15K
26:45 | 8:37/mi
20K· 12.43 mi
1:47:48
Rank: #18666 (+17)
15K → 20K
27:18 | 8:47/mi
Half· 13.11 mi
1:53:38
Rank: #18633 (+33)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:16:11
Rank: #18930 (-297)
Half → 25K
22:33 | 9:18/mi
30K· 18.64 mi
2:45:44
Rank: #19057 (-127)
25K → 30K
29:33 | 9:31/mi
20M
2:58:28
Rank: #18985 (+72)
30K → 20M
12:44 | 9:22/mi
21M
3:08:30
Rank: #18945 (+40)
20M → 21M
10:02 | 10:02/mi
35K· 21.75 mi
3:15:21
Rank: #18923 (+22)
21M → 35K
6:51 | 9:09/mi
23M
3:26:57
Rank: #18821 (+102)
35K → 23M
11:36 | 9:16/mi
24M
3:36:25
Rank: #18827 (-6)
23M → 24M
9:28 | 9:28/mi
40K· 24.85 mi
3:44:32
Rank: #18821 (+6)
24M → 40K
8:07 | 9:30/mi
25.2M
3:48:03
Rank: #18811 (+10)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:57:08
Rank: #18796 (+15)
25.2M → Finish
9:05 | 8:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:38
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time2:03:30
Pace9:25 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2426:598:4126:59
8:41
-
10K
6.21 mi11:48:1053:458:3926:46
8:37
-0:04
15K
9.32 mi12:14:551:20:308:3826:45
8:37
0:00
20K
12.43 mi12:42:131:47:488:4027:18
8:47
+0:10
Half
13.11 mi12:48:031:53:388:405:50
8:33
-0:14
25K
15.53 mi13:10:362:16:118:4622:33
9:18
+0:45
30K
18.64 mi13:40:092:45:448:5329:33
9:31
+0:13
20M
20.00 mi13:52:532:58:288:5512:44
9:22
-0:09
21M
21.00 mi14:02:553:08:308:5910:02
10:02
+0:40
35K
21.75 mi14:09:463:15:218:596:51
9:09
-0:53
23M
23.00 mi14:21:223:26:579:0011:36
9:16
+0:07
24M
24.00 mi14:30:503:36:259:019:28
9:28
+0:12
40K
24.85 mi14:38:573:44:329:028:07
9:30
+0:02
25.2M
25.20 mi14:42:283:48:039:033:31
10:12
+0:42
Finish
26.22 mi14:51:333:57:089:039:05
8:55
-1:17

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

8:33 /mi

Average Pace

9:03 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:27

74% of race

Time at Steady Pace

57:10

24% of race

Time at Slower Pace

3:31

1% of race

Average Pace: 9:03 /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 mi11:21:2426:598:4126:59
8:41
#18790
10K
6.21 mi11:48:1053:458:3926:46
8:37
#18805
15K
9.32 mi12:14:551:20:308:3826:45
8:37
#18683
20K
12.43 mi12:42:131:47:488:4027:18
8:47
#18666
Half
13.11 mi12:48:031:53:388:405:50
8:33
#18633
25K
15.53 mi13:10:362:16:118:4622:33
9:18
#18930
30K
18.64 mi13:40:092:45:448:5329:33
9:31
#19057
20M
20.00 mi13:52:532:58:288:5512:44
9:22
#18985
21M
21.00 mi14:02:553:08:308:5910:02
10:02
#18945
35K
21.75 mi14:09:463:15:218:596:51
9:09
#18923
23M
23.00 mi14:21:223:26:579:0011:36
9:16
#18821
24M
24.00 mi14:30:503:36:259:019:28
9:28
#18827
40K
24.85 mi14:38:573:44:329:028:07
9:30
#18821
25.2M
25.20 mi14:42:283:48:039:033:31
10:12
#18811
Finish
26.22 mi14:51:333:57:089:039:05
8:55
#18796
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi187907070707018532(Top 70%)6825(Top 60%)6825(Top 376%)
10K6.21 mi3.10 mi18805-157016+547016+5418931(Top 71%)7045(Top 62%)7045(Top 388%)
15K9.32 mi3.11 mi18683+1226931+856931+8518532(Top 70%)6825(Top 60%)6825(Top 376%)
20K12.43 mi3.11 mi18666+176913+186913+1818611(Top 70%)6860(Top 60%)6860(Top 378%)
Half13.11 mi0.68 mi18633+336893+206893+2018081(Top 68%)6545(Top 57%)6545(Top 360%)
25K15.53 mi2.42 mi18930-2977079-1867079-18620205(Top 76%)7810(Top 68%)7810(Top 430%)
30K18.64 mi3.11 mi19057-1277172-937172-9319479(Top 73%)7457(Top 65%)7457(Top 410%)
20M20.00 mi1.36 mi18985+727151+217151+2118345(Top 69%)6935(Top 61%)6935(Top 382%)
21M21.00 mi1.00 mi18945+407137+147137+1418164(Top 68%)6857(Top 60%)6857(Top 377%)
35K21.75 mi0.75 mi18923+227133+47133+418587(Top 70%)7156(Top 63%)7156(Top 394%)
23M23.00 mi1.25 mi18821+1027087+467087+4617380(Top 65%)6496(Top 57%)6496(Top 358%)
24M24.00 mi1.00 mi18827-67105-187105-1819109(Top 72%)7506(Top 66%)7506(Top 413%)
40K24.85 mi0.85 mi18821+67107-27107-218325(Top 69%)7117(Top 62%)7117(Top 392%)
25.2M25.20 mi0.35 mi18811+107111-47111-418156(Top 68%)7036(Top 62%)7036(Top 387%)
Finish26.22 mi1.02 mi18796+157103+87103+817569(Top 66%)6699(Top 59%)6699(Top 369%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

18532

Females

6825

F45-49

6825

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

18931

Females

7045

F45-49

7045

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

18532

Females

6825

F45-49

6825

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

18611

Females

6860

F45-49

6860

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

18081

Females

6545

F45-49

6545

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20205

Females

7810

F45-49

7810

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19479

Females

7457

F45-49

7457

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

18345

Females

6935

F45-49

6935

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

18164

Females

6857

F45-49

6857

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18587

Females

7156

F45-49

7156

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17380

Females

6496

F45-49

6496

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19109

Females

7506

F45-49

7506

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18325

Females

7117

F45-49

7117

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18156

Females

7036

F45-49

7036

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

17569

Females

6699

F45-49

6699

Passing Analysis

Category:
Athletes Passed
1571
Passed By
1577
Net Change
-6
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18790
5K → 10K343358-15#18790#18805
10K → 15K246124+122#18805#18683
15K → 20K166149+17#18683#18666
20K → Half4916+33#18666#18633
Half → 25K56353-297#18633#18930
25K → 30K126253-127#18930#19057
30K → 20M11240+72#19057#18985
20M → 21M9757+40#18985#18945
21M → 35K5028+22#18945#18923
35K → 23M13028+102#18923#18821
23M → 24M6268-6#18821#18827
24M → 40K5145+6#18827#18821
40K → 25.2M2818+10#18821#18811
25.2M → Finish5540+15#18811#18796
TOTALS15711577-6
📊

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