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BOSTON MARATHON 2023

Yeon Seon Shin

Bib: 31729•F

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
32:44
Rank: #24794
Start → 5K
10:32/mi
32:44 split
10K· 6.21 mi
1:07:46
Rank: #25457 (-663)
5K → 10K
11:17/mi
35:02 split
15K· 9.32 mi
1:40:06
Rank: #25055 (+402)
10K → 15K
10:24/mi
32:20 split
20K· 12.43 mi
2:13:21
Rank: #24823 (+232)
15K → 20K
10:42/mi
33:15 split
Half· 13.11 mi
2:20:14
Rank: #24747 (+76)
20K → Half
10:05/mi
6:53 split
25K· 15.53 mi
2:46:09
Rank: #24554 (+193)
Half → 25K
10:41/mi
25:55 split
30K· 18.64 mi
3:21:02
Rank: #24323 (+231)
25K → 30K
11:14/mi
34:53 split
20M
3:36:08
Rank: #24210 (+113)
30K → 20M
11:07/mi
15:06 split
21M
3:48:07
Rank: #24138 (+72)
20M → 21M
11:59/mi
11:59 split
35K· 21.75 mi
3:56:10
Rank: #24108 (+30)
21M → 35K
10:46/mi
8:03 split
23M
4:10:02
Rank: #24020 (+88)
35K → 23M
11:05/mi
13:52 split
24M
4:20:55
Rank: #23981 (+39)
23M → 24M
10:53/mi
10:53 split
40K· 24.85 mi
4:30:36
Rank: #23942 (+39)
24M → 40K
11:20/mi
9:41 split
25.2M
4:34:39
Rank: #23916 (+26)
40K → 25.2M
11:45/mi
4:03 split
Finish· 26.22 mi
4:45:31
Rank: #23904 (+12)
25.2M → Finish
10:40/mi
10:52 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:14
Pace10:42 /mi
2nd Half
Distance13.11 mi
Time2:25:17
Pace11:05 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2832:4410:3232:44
10:32
-
10K
6.21 mi12:27:301:07:4610:5435:02
11:17
+0:45
15K
9.32 mi12:59:501:40:0610:4432:20
10:24
-0:53
20K
12.43 mi13:33:052:13:2110:4433:15
10:42
+0:18
Half
13.11 mi13:39:582:20:1410:426:53
10:05
-0:37
25K
15.53 mi14:05:532:46:0910:4225:55
10:41
+0:36
30K
18.64 mi14:40:463:21:0210:4734:53
11:14
+0:33
20M
20.00 mi14:55:523:36:0810:4815:06
11:07
-0:07
21M
21.00 mi15:07:513:48:0710:5211:59
11:59
+0:52
35K
21.75 mi15:15:543:56:1010:528:03
10:46
-1:13
23M
23.00 mi15:29:464:10:0210:5213:52
11:05
+0:19
24M
24.00 mi15:40:394:20:5510:5210:53
10:53
-0:12
40K
24.85 mi15:50:204:30:3610:539:41
11:20
+0:27
25.2M
25.20 mi15:54:234:34:3910:544:03
11:45
+0:25
Finish
26.22 mi16:05:154:45:3110:5410:52
10:40
-1:05

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

10:05 /mi

Average Pace

10:54 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:47

61% of race

Time at Steady Pace

1:38:45

35% of race

Time at Slower Pace

11:59

4% of race

Average Pace: 10:53 /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 mi11:52:2832:4410:3232:44
10:32
#24794
10K
6.21 mi12:27:301:07:4610:5435:02
11:17
#25457
15K
9.32 mi12:59:501:40:0610:4432:20
10:24
#25055
20K
12.43 mi13:33:052:13:2110:4433:15
10:42
#24823
Half
13.11 mi13:39:582:20:1410:426:53
10:05
#24747
25K
15.53 mi14:05:532:46:0910:4225:55
10:41
#24554
30K
18.64 mi14:40:463:21:0210:4734:53
11:14
#24323
20M
20.00 mi14:55:523:36:0810:4815:06
11:07
#24210
21M
21.00 mi15:07:513:48:0710:5211:59
11:59
#24138
35K
21.75 mi15:15:543:56:1010:528:03
10:46
#24108
23M
23.00 mi15:29:464:10:0210:5213:52
11:05
#24020
24M
24.00 mi15:40:394:20:5510:5210:53
10:53
#23981
40K
24.85 mi15:50:204:30:3610:539:41
11:20
#23942
25.2M
25.20 mi15:54:234:34:3910:544:03
11:45
#23916
Finish
26.22 mi16:05:154:45:3110:5410:52
10:40
#23904
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi24794103241032424292(Top 91%)10051(Top 88%)10051(Top 1907%)
10K6.21 mi3.10 mi25457-66310703-37910703-37925765(Top 97%)10890(Top 95%)10890(Top 2066%)
15K9.32 mi3.11 mi25055+40210466+23710466+23724292(Top 91%)10051(Top 88%)10051(Top 1907%)
20K12.43 mi3.11 mi24823+23210352+11410352+11424180(Top 91%)10014(Top 88%)10014(Top 1900%)
Half13.11 mi0.68 mi24747+7610317+3510317+3523475(Top 88%)9621(Top 84%)9621(Top 1826%)
25K15.53 mi2.42 mi24554+19310220+9710220+9723498(Top 88%)9669(Top 85%)9669(Top 1835%)
30K18.64 mi3.11 mi24323+23110110+11010110+11023461(Top 88%)9713(Top 85%)9713(Top 1843%)
20M20.00 mi1.36 mi24210+11310059+5110059+5122897(Top 86%)9459(Top 83%)9459(Top 1795%)
21M21.00 mi1.00 mi24138+7210025+3410025+3422739(Top 85%)9410(Top 82%)9410(Top 1786%)
35K21.75 mi0.75 mi24108+3010011+1410011+1422866(Top 86%)9527(Top 83%)9527(Top 1808%)
23M23.00 mi1.25 mi24020+889971+409971+4022491(Top 84%)9319(Top 82%)9319(Top 1768%)
24M24.00 mi1.00 mi23981+399954+179954+1722825(Top 86%)9538(Top 83%)9538(Top 1810%)
40K24.85 mi0.85 mi23942+399943+119943+1122937(Top 86%)9631(Top 84%)9631(Top 1828%)
25.2M25.20 mi0.35 mi23916+269931+129931+1222082(Top 83%)9177(Top 80%)9177(Top 1741%)
Finish26.22 mi1.02 mi23904+129928+39928+323361(Top 88%)9840(Top 86%)9840(Top 1867%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

24292

Females

10051

F60-64

10051

5K→10K

3.1 - 6.2 mi

Top 97%
×5stories
+79ft-138ft

Overall

25765

Females

10890

F60-64

10890

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

24292

Females

10051

F60-64

10051

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

24180

Females

10014

F60-64

10014

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

23475

Females

9621

F60-64

9621

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

23498

Females

9669

F60-64

9669

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

23461

Females

9713

F60-64

9713

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

22897

Females

9459

F60-64

9459

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

22739

Females

9410

F60-64

9410

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

22866

Females

9527

F60-64

9527

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

22491

Females

9319

F60-64

9319

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

22825

Females

9538

F60-64

9538

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22937

Females

9631

F60-64

9631

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22082

Females

9177

F60-64

9177

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

23361

Females

9840

F60-64

9840

Passing Analysis

Category:
Athletes Passed
1689
Passed By
799
Net Change
+890
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24794
5K → 10K19682-663#24794#25457
10K → 15K4064+402#25457#25055
15K → 20K25422+232#25055#24823
20K → Half771+76#24823#24747
Half → 25K1974+193#24747#24554
25K → 30K25322+231#24554#24323
30K → 20M1207+113#24323#24210
20M → 21M819+72#24210#24138
21M → 35K366+30#24138#24108
35K → 23M957+88#24108#24020
23M → 24M445+39#24020#23981
24M → 40K445+39#23981#23942
40K → 25.2M326+26#23942#23916
25.2M → Finish3119+12#23916#23904
TOTALS1689799+890
📊

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