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BOSTON MARATHON 2023

Mary Young

Bib: 15517•F

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 40%
Gender (Female)
#0 / 11423
Top 22%
Division (F18-39)
#0 / 4884
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:09
Rank: #12122
Start → 5K
24:09 | 7:46/mi
10K· 6.21 mi
48:21
Rank: #12532 (-410)
5K → 10K
24:12 | 7:47/mi
15K· 9.32 mi
1:12:35
Rank: #12555 (-23)
10K → 15K
24:14 | 7:48/mi
20K· 12.43 mi
1:36:49
Rank: #12317 (+238)
15K → 20K
24:14 | 7:48/mi
Half· 13.11 mi
1:42:02
Rank: #12257 (+60)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
2:00:59
Rank: #12084 (+173)
Half → 25K
18:57 | 7:49/mi
30K· 18.64 mi
2:25:35
Rank: #11705 (+379)
25K → 30K
24:36 | 7:55/mi
20M
2:36:16
Rank: #11480 (+225)
30K → 20M
10:41 | 7:52/mi
21M
2:44:34
Rank: #11293 (+187)
20M → 21M
8:18 | 8:18/mi
35K· 21.75 mi
2:50:25
Rank: #11277 (+16)
21M → 35K
5:51 | 7:49/mi
23M
3:00:21
Rank: #11137 (+140)
35K → 23M
9:56 | 7:56/mi
24M
3:08:07
Rank: #11053 (+84)
23M → 24M
7:46 | 7:46/mi
40K· 24.85 mi
3:14:52
Rank: #10965 (+88)
24M → 40K
6:45 | 7:54/mi
25.2M
3:17:42
Rank: #10899 (+66)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:25:18
Rank: #10759 (+140)
25.2M → Finish
7:36 | 7:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:02
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:43:16
Pace7:53 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:5924:097:4624:09
7:46
-
10K
6.21 mi11:20:1148:217:4724:12
7:47
+0:01
15K
9.32 mi11:44:251:12:357:4724:14
7:48
+0:01
20K
12.43 mi12:08:391:36:497:4724:14
7:48
0:00
Half
13.11 mi12:13:521:42:027:475:13
7:39
-0:09
25K
15.53 mi12:32:492:00:597:4718:57
7:49
+0:10
30K
18.64 mi12:57:252:25:357:4924:36
7:55
+0:06
20M
20.00 mi13:08:062:36:167:4910:41
7:52
-0:03
21M
21.00 mi13:16:242:44:347:508:18
8:18
+0:26
35K
21.75 mi13:22:152:50:257:505:51
7:49
-0:29
23M
23.00 mi13:32:113:00:217:509:56
7:56
+0:07
24M
24.00 mi13:39:573:08:077:507:46
7:46
-0:10
40K
24.85 mi13:46:423:14:527:506:45
7:54
+0:08
25.2M
25.20 mi13:49:323:17:427:512:50
8:13
+0:19
Finish
26.22 mi13:57:083:25:187:507:36
7:27
-0:46

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

7:27 /mi

Average Pace

7:50 /mi

Slowest Pace

8:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:10

95% of race

Time at Steady Pace

11:08

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:50 /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 mi10:55:5924:097:4624:09
7:46
#12122
10K
6.21 mi11:20:1148:217:4724:12
7:47
#12532
15K
9.32 mi11:44:251:12:357:4724:14
7:48
#12555
20K
12.43 mi12:08:391:36:497:4724:14
7:48
#12317
Half
13.11 mi12:13:521:42:027:475:13
7:39
#12257
25K
15.53 mi12:32:492:00:597:4718:57
7:49
#12084
30K
18.64 mi12:57:252:25:357:4924:36
7:55
#11705
20M
20.00 mi13:08:062:36:167:4910:41
7:52
#11480
21M
21.00 mi13:16:242:44:347:508:18
8:18
#11293
35K
21.75 mi13:22:152:50:257:505:51
7:49
#11277
23M
23.00 mi13:32:113:00:217:509:56
7:56
#11137
24M
24.00 mi13:39:573:08:077:507:46
7:46
#11053
40K
24.85 mi13:46:423:14:527:506:45
7:54
#10965
25.2M
25.20 mi13:49:323:17:427:512:50
8:13
#10899
Finish
26.22 mi13:57:083:25:187:507:36
7:27
#10759
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi121222935293512731(Top 48%)3311(Top 29%)3311(Top 68%)
10K6.21 mi3.10 mi12532-4103174-2393174-23913028(Top 49%)3439(Top 30%)3439(Top 70%)
15K9.32 mi3.11 mi12555-233206-323206-3212731(Top 48%)3311(Top 29%)3311(Top 68%)
20K12.43 mi3.11 mi12317+2383098+1083098+10811756(Top 44%)2819(Top 25%)2819(Top 58%)
Half13.11 mi0.68 mi12257+603069+293069+2911455(Top 43%)2596(Top 23%)2596(Top 53%)
25K15.53 mi2.42 mi12084+1732986+832986+8311235(Top 42%)2611(Top 23%)2611(Top 53%)
30K18.64 mi3.11 mi11705+3792810+1762810+17610288(Top 39%)2300(Top 20%)2300(Top 47%)
20M20.00 mi1.36 mi11480+2252705+1052705+1059334(Top 35%)1953(Top 17%)1953(Top 40%)
21M21.00 mi1.00 mi11293+1872617+882617+889263(Top 35%)2040(Top 18%)2040(Top 42%)
35K21.75 mi0.75 mi11277+162617261710838(Top 41%)2790(Top 24%)2790(Top 57%)
23M23.00 mi1.25 mi11137+1402567+502567+509332(Top 35%)2192(Top 19%)2192(Top 45%)
24M24.00 mi1.00 mi11053+842553+142553+149561(Top 36%)2371(Top 21%)2371(Top 49%)
40K24.85 mi0.85 mi10965+882534+192534+199344(Top 35%)2326(Top 20%)2326(Top 48%)
25.2M25.20 mi0.35 mi10899+662516+182516+187880(Top 30%)1792(Top 16%)1792(Top 37%)
Finish26.22 mi1.02 mi10759+1402477+392477+398270(Top 31%)1945(Top 17%)1945(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

12731

Females

3311

F18-39

3311

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

13028

Females

3439

F18-39

3439

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

12731

Females

3311

F18-39

3311

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

11756

Females

2819

F18-39

2819

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11455

Females

2596

F18-39

2596

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11235

Females

2611

F18-39

2611

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10288

Females

2300

F18-39

2300

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9334

Females

1953

F18-39

1953

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9263

Females

2040

F18-39

2040

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10838

Females

2790

F18-39

2790

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9332

Females

2192

F18-39

2192

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9561

Females

2371

F18-39

2371

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9344

Females

2326

F18-39

2326

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7880

Females

1792

F18-39

1792

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8270

Females

1945

F18-39

1945

Passing Analysis

Category:
Athletes Passed
2450
Passed By
1087
Net Change
+1363
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12122
5K → 10K152562-410#12122#12532
10K → 15K184207-23#12532#12555
15K → 20K30971+238#12555#12317
20K → Half688+60#12317#12257
Half → 25K21340+173#12257#12084
25K → 30K40829+379#12084#11705
30K → 20M23914+225#11705#11480
20M → 21M20215+187#11480#11293
21M → 35K5539+16#11293#11277
35K → 23M16020+140#11277#11137
23M → 24M11935+84#11137#11053
24M → 40K11325+88#11053#10965
40K → 25.2M737+66#10965#10899
25.2M → Finish15515+140#10899#10759
TOTALS24501087+1363
📊

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