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BOSTON MARATHON 2023

Megan Jackowitz

Bib: 3920•F

CT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 12%
Gender (Female)
#0 / 11423
Top 2%
Division (F18-39)
#0 / 4884
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:36
Rank: #3104
Start → 5K
20:36 | 6:38/mi
10K· 6.21 mi
41:08
Rank: #3314 (-210)
5K → 10K
20:32 | 6:37/mi
15K· 9.32 mi
1:01:58
Rank: #3551 (-237)
10K → 15K
20:50 | 6:42/mi
20K· 12.43 mi
1:22:51
Rank: #3577 (-26)
15K → 20K
20:53 | 6:43/mi
Half· 13.11 mi
1:27:23
Rank: #3581 (-4)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:43:42
Rank: #3565 (+16)
Half → 25K
16:19 | 6:44/mi
30K· 18.64 mi
2:04:48
Rank: #3398 (+167)
25K → 30K
21:06 | 6:47/mi
20M
2:14:00
Rank: #3289 (+109)
30K → 20M
9:12 | 6:46/mi
21M
2:21:31
Rank: #3352 (-63)
20M → 21M
7:31 | 7:31/mi
35K· 21.75 mi
2:26:28
Rank: #3328 (+24)
21M → 35K
4:57 | 6:37/mi
23M
2:35:11
Rank: #3317 (+11)
35K → 23M
8:43 | 6:58/mi
24M
2:41:59
Rank: #3325 (-8)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:47:55
Rank: #3319 (+6)
24M → 40K
5:56 | 6:56/mi
25.2M
2:50:30
Rank: #3308 (+11)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:57:30
Rank: #3329 (-21)
25.2M → Finish
7:00 | 6:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:23
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:30:07
Pace6:52 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5620:366:3820:36
6:38
-
10K
6.21 mi10:42:2841:086:3720:32
6:37
-0:01
15K
9.32 mi11:03:181:01:586:3920:50
6:42
+0:05
20K
12.43 mi11:24:111:22:516:4020:53
6:43
+0:01
Half
13.11 mi11:28:431:27:236:404:32
6:39
-0:04
25K
15.53 mi11:45:021:43:426:4116:19
6:44
+0:05
30K
18.64 mi12:06:082:04:486:4221:06
6:47
+0:03
20M
20.00 mi12:15:202:14:006:429:12
6:46
-0:01
21M
21.00 mi12:22:512:21:316:447:31
7:31
+0:45
35K
21.75 mi12:27:482:26:286:444:57
6:37
-0:54
23M
23.00 mi12:36:312:35:116:458:43
6:58
+0:21
24M
24.00 mi12:43:192:41:596:456:48
6:48
-0:10
40K
24.85 mi12:49:152:47:556:455:56
6:56
+0:08
25.2M
25.20 mi12:51:502:50:306:462:35
7:29
+0:33
Finish
26.22 mi12:58:502:57:306:467:00
6:52
-0:37

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

6:37 /mi

Average Pace

6:46 /mi

Slowest Pace

7:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:24

94% of race

Time at Steady Pace

10:06

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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 mi10:21:5620:366:3820:36
6:38
#3104
10K
6.21 mi10:42:2841:086:3720:32
6:37
#3314
15K
9.32 mi11:03:181:01:586:3920:50
6:42
#3551
20K
12.43 mi11:24:111:22:516:4020:53
6:43
#3577
Half
13.11 mi11:28:431:27:236:404:32
6:39
#3581
25K
15.53 mi11:45:021:43:426:4116:19
6:44
#3565
30K
18.64 mi12:06:082:04:486:4221:06
6:47
#3398
20M
20.00 mi12:15:202:14:006:429:12
6:46
#3289
21M
21.00 mi12:22:512:21:316:447:31
7:31
#3352
35K
21.75 mi12:27:482:26:286:444:57
6:37
#3328
23M
23.00 mi12:36:312:35:116:458:43
6:58
#3317
24M
24.00 mi12:43:192:41:596:456:48
6:48
#3325
40K
24.85 mi12:49:152:47:556:455:56
6:56
#3319
25.2M
25.20 mi12:51:502:50:306:462:35
7:29
#3308
Finish
26.22 mi12:58:502:57:306:467:00
6:52
#3329
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi31041631634212(Top 16%)255(Top 2%)255(Top 5%)
10K6.21 mi3.10 mi3314-210171-8171-83577(Top 13%)194(Top 2%)194(Top 4%)
15K9.32 mi3.11 mi3551-237189-18189-184212(Top 16%)255(Top 2%)255(Top 5%)
20K12.43 mi3.11 mi3577-26187+2187+23759(Top 14%)206(Top 2%)206(Top 4%)
Half13.11 mi0.68 mi3581-4188-1188-13915(Top 15%)227(Top 2%)227(Top 5%)
25K15.53 mi2.42 mi3565+16185+3185+33619(Top 14%)206(Top 2%)206(Top 4%)
30K18.64 mi3.11 mi3398+167176+9176+92940(Top 11%)154(Top 1%)154(Top 3%)
20M20.00 mi1.36 mi3289+109169+7169+72670(Top 10%)143(Top 1%)143(Top 3%)
21M21.00 mi1.00 mi3352-63175-6175-64682(Top 18%)433(Top 4%)433(Top 9%)
35K21.75 mi0.75 mi3328+24174+1174+13154(Top 12%)201(Top 2%)201(Top 4%)
23M23.00 mi1.25 mi3317+111741743604(Top 14%)260(Top 2%)260(Top 5%)
24M24.00 mi1.00 mi3325-8175-1175-13684(Top 14%)301(Top 3%)301(Top 6%)
40K24.85 mi0.85 mi3319+6177-2177-23561(Top 13%)320(Top 3%)320(Top 7%)
25.2M25.20 mi0.35 mi3308+111771773923(Top 15%)412(Top 4%)412(Top 8%)
Finish26.22 mi1.02 mi3329-21182-5182-54473(Top 17%)566(Top 5%)566(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4212

Females

255

F18-39

255

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3577

Females

194

F18-39

194

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4212

Females

255

F18-39

255

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3759

Females

206

F18-39

206

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3915

Females

227

F18-39

227

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3619

Females

206

F18-39

206

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2940

Females

154

F18-39

154

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2670

Females

143

F18-39

143

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4682

Females

433

F18-39

433

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3154

Females

201

F18-39

201

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3604

Females

260

F18-39

260

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3684

Females

301

F18-39

301

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3561

Females

320

F18-39

320

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3923

Females

412

F18-39

412

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4473

Females

566

F18-39

566

Passing Analysis

Category:
Athletes Passed
886
Passed By
1111
Net Change
-225
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3104
5K → 10K82292-210#3104#3314
10K → 15K39276-237#3314#3551
15K → 20K7298-26#3551#3577
20K → Half1923-4#3577#3581
Half → 25K8266+16#3581#3565
25K → 30K19225+167#3565#3398
30K → 20M12516+109#3398#3289
20M → 21M3295-63#3289#3352
21M → 35K4016+24#3352#3328
35K → 23M5342+11#3328#3317
23M → 24M3846-8#3317#3325
24M → 40K4135+6#3325#3319
40K → 25.2M2211+11#3319#3308
25.2M → Finish4970-21#3308#3329
TOTALS8861111-225
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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