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BOSTON MARATHON 2023

Woongho Kim

Bib: 20852•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:11
Rank: #17094
Start → 5K
26:11 | 8:26/mi
10K· 6.21 mi
51:40
Rank: #16634 (+460)
5K → 10K
25:29 | 8:12/mi
15K· 9.32 mi
1:17:55
Rank: #16922 (-288)
10K → 15K
26:15 | 8:27/mi
20K· 12.43 mi
1:45:46
Rank: #17638 (-716)
15K → 20K
27:51 | 8:58/mi
Half· 13.11 mi
1:51:52
Rank: #17775 (-137)
20K → Half
6:06 | 8:56/mi
25K· 15.53 mi
2:14:39
Rank: #18394 (-619)
Half → 25K
22:47 | 9:24/mi
30K· 18.64 mi
2:47:05
Rank: #19420 (-1026)
25K → 30K
32:26 | 10:26/mi
20M
3:02:26
Rank: #19915 (-495)
30K → 20M
15:21 | 11:18/mi
21M
3:15:30
Rank: #20368 (-453)
20M → 21M
13:04 | 13:04/mi
35K· 21.75 mi
3:23:14
Rank: #20436 (-68)
21M → 35K
7:44 | 10:20/mi
23M
3:36:56
Rank: #20571 (-135)
35K → 23M
13:42 | 10:57/mi
24M
3:47:12
Rank: #20621 (-50)
23M → 24M
10:16 | 10:16/mi
40K· 24.85 mi
3:56:15
Rank: #20651 (-30)
24M → 40K
9:03 | 10:35/mi
25.2M
4:00:33
Rank: #20709 (-58)
40K → 25.2M
4:18 | 12:28/mi
Finish· 26.22 mi
4:10:56
Rank: #20760 (-51)
25.2M → Finish
10:23 | 10:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:52
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time2:19:04
Pace10:37 /mi
📊Positive Split: 24.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2826:118:2626:11
8:26
-
10K
6.21 mi11:43:5751:408:1925:29
8:12
-0:14
15K
9.32 mi12:10:121:17:558:2226:15
8:27
+0:15
20K
12.43 mi12:38:031:45:468:3127:51
8:58
+0:31
Half
13.11 mi12:44:091:51:528:326:06
8:56
-0:02
25K
15.53 mi13:06:562:14:398:4022:47
9:24
+0:28
30K
18.64 mi13:39:222:47:058:5832:26
10:26
+1:02
20M
20.00 mi13:54:433:02:269:0715:21
11:18
+0:52
21M
21.00 mi14:07:473:15:309:1913:04
13:04
+1:46
35K
21.75 mi14:15:313:23:149:217:44
10:20
-2:44
23M
23.00 mi14:29:133:36:569:2613:42
10:57
+0:37
24M
24.00 mi14:39:293:47:129:2810:16
10:16
-0:41
40K
24.85 mi14:48:323:56:159:309:03
10:35
+0:19
25.2M
25.20 mi14:52:504:00:339:334:18
12:28
+1:53
Finish
26.22 mi15:03:134:10:569:3510:23
10:11
-2:17

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

8:12 /mi

Average Pace

9:35 /mi

Slowest Pace

13:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:39

54% of race

Time at Steady Pace

1:23:34

33% of race

Time at Slower Pace

32:43

13% of race

Average Pace: 9:34 /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 mi11:18:2826:118:2626:11
8:26
#17094
10K
6.21 mi11:43:5751:408:1925:29
8:12
#16634
15K
9.32 mi12:10:121:17:558:2226:15
8:27
#16922
20K
12.43 mi12:38:031:45:468:3127:51
8:58
#17638
Half
13.11 mi12:44:091:51:528:326:06
8:56
#17775
25K
15.53 mi13:06:562:14:398:4022:47
9:24
#18394
30K
18.64 mi13:39:222:47:058:5832:26
10:26
#19420
20M
20.00 mi13:54:433:02:269:0715:21
11:18
#19915
21M
21.00 mi14:07:473:15:309:1913:04
13:04
#20368
35K
21.75 mi14:15:313:23:149:217:44
10:20
#20436
23M
23.00 mi14:29:133:36:569:2613:42
10:57
#20571
24M
24.00 mi14:39:293:47:129:2810:16
10:16
#20621
40K
24.85 mi14:48:323:56:159:309:03
10:35
#20651
25.2M
25.20 mi14:52:504:00:339:334:18
12:28
#20709
Finish
26.22 mi15:03:134:10:569:3510:23
10:11
#20760
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17094110781107817481(Top 66%)11258(Top 74%)11258(Top 1014%)
10K6.21 mi3.10 mi16634+46010947+13110947+13116290(Top 61%)10815(Top 71%)10815(Top 974%)
15K9.32 mi3.11 mi16922-28811037-9011037-9017481(Top 66%)11258(Top 74%)11258(Top 1014%)
20K12.43 mi3.11 mi17638-71611317-28011317-28019547(Top 73%)12116(Top 80%)12116(Top 1092%)
Half13.11 mi0.68 mi17775-13711363-4611363-4620262(Top 76%)12409(Top 82%)12409(Top 1118%)
25K15.53 mi2.42 mi18394-61911612-24911612-24920523(Top 77%)12499(Top 82%)12499(Top 1126%)
30K18.64 mi3.11 mi19420-102612018-40612018-40622092(Top 83%)13116(Top 86%)13116(Top 1182%)
20M20.00 mi1.36 mi19915-49512203-18512203-18523184(Top 87%)13545(Top 89%)13545(Top 1220%)
21M21.00 mi1.00 mi20368-45312388-18512388-18524172(Top 91%)13962(Top 92%)13962(Top 1258%)
35K21.75 mi0.75 mi20436-6812409-2112409-2122105(Top 83%)12966(Top 85%)12966(Top 1168%)
23M23.00 mi1.25 mi20571-13512463-5412463-5422245(Top 84%)13030(Top 86%)13030(Top 1174%)
24M24.00 mi1.00 mi20621-5012462+112462+121505(Top 81%)12629(Top 83%)12629(Top 1138%)
40K24.85 mi0.85 mi20651-3012470-812470-821448(Top 81%)12550(Top 83%)12550(Top 1131%)
25.2M25.20 mi0.35 mi20709-5812487-1712487-1723278(Top 87%)13432(Top 89%)13432(Top 1210%)
Finish26.22 mi1.02 mi20760-5112505-1812505-1822287(Top 84%)12989(Top 86%)12989(Top 1170%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

17481

Males

11258

M60-64

11258

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

16290

Males

10815

M60-64

10815

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

17481

Males

11258

M60-64

11258

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

19547

Males

12116

M60-64

12116

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

20262

Males

12409

M60-64

12409

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

20523

Males

12499

M60-64

12499

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

22092

Males

13116

M60-64

13116

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

23184

Males

13545

M60-64

13545

20M→21M

20.0 - 21.0 mi

Top 91%
×8stories
+106ft-24ft

Overall

24172

Males

13962

M60-64

13962

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

22105

Males

12966

M60-64

12966

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

22245

Males

13030

M60-64

13030

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

21505

Males

12629

M60-64

12629

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21448

Males

12550

M60-64

12550

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23278

Males

13432

M60-64

13432

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

22287

Males

12989

M60-64

12989

Passing Analysis

Category:
Athletes Passed
969
Passed By
4635
Net Change
-3666
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17094
5K → 10K596136+460#17094#16634
10K → 15K102390-288#16634#16922
15K → 20K47763-716#16922#17638
20K → Half8145-137#17638#17775
Half → 25K25644-619#17775#18394
25K → 30K211047-1026#18394#19420
30K → 20M18513-495#19420#19915
20M → 21M5458-453#19915#20368
21M → 35K2795-68#20368#20436
35K → 23M33168-135#20436#20571
23M → 24M3383-50#20571#20621
24M → 40K3161-30#20621#20651
40K → 25.2M361-58#20651#20709
25.2M → Finish2071-51#20709#20760
TOTALS9694635-3666
📊

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