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BOSTON MARATHON 2023

Young Han Kim

Bib: 30437•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:37
Rank: #23877
Start → 5K
31:37 | 10:11/mi
10K· 6.21 mi
1:01:09
Rank: #23253 (+624)
5K → 10K
29:32 | 9:30/mi
15K· 9.32 mi
1:29:53
Rank: #22704 (+549)
10K → 15K
28:44 | 9:15/mi
20K· 12.43 mi
2:03:25
Rank: #23280 (-576)
15K → 20K
33:32 | 10:48/mi
Half· 13.11 mi
2:09:06
Rank: #23050 (+230)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:32:03
Rank: #22679 (+371)
Half → 25K
22:57 | 9:28/mi
30K· 18.64 mi
3:00:03
Rank: #21943 (+736)
25K → 30K
28:00 | 9:01/mi
20M
3:11:36
Rank: #21542 (+401)
30K → 20M
11:33 | 8:30/mi
21M
3:21:00
Rank: #21257 (+285)
20M → 21M
9:24 | 9:24/mi
35K· 21.75 mi
3:27:10
Rank: #21059 (+198)
21M → 35K
6:10 | 8:15/mi
23M
3:37:54
Rank: #20717 (+342)
35K → 23M
10:44 | 8:34/mi
24M
3:45:54
Rank: #20432 (+285)
23M → 24M
8:00 | 8:00/mi
40K· 24.85 mi
3:53:09
Rank: #20236 (+196)
24M → 40K
7:15 | 8:29/mi
25.2M
3:56:20
Rank: #20170 (+66)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
4:04:11
Rank: #19926 (+244)
25.2M → Finish
7:51 | 7:42/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:09:06
Pace9:51 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:55:05
Pace8:47 /mi
📊Negative Split: 10.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2731:3710:1131:37
10:11
-
10K
6.21 mi12:22:591:01:099:5029:32
9:30
-0:41
15K
9.32 mi12:51:431:29:539:3928:44
9:15
-0:15
20K
12.43 mi13:25:152:03:259:5633:32
10:48
+1:33
Half
13.11 mi13:30:562:09:069:515:41
8:20
-2:28
25K
15.53 mi13:53:532:32:039:4722:57
9:28
+1:08
30K
18.64 mi14:21:533:00:039:4028:00
9:01
-0:27
20M
20.00 mi14:33:263:11:369:3511:33
8:30
-0:31
21M
21.00 mi14:42:503:21:009:349:24
9:24
+0:54
35K
21.75 mi14:49:003:27:109:326:10
8:15
-1:09
23M
23.00 mi14:59:443:37:549:2810:44
8:34
+0:19
24M
24.00 mi15:07:443:45:549:258:00
8:00
-0:34
40K
24.85 mi15:14:593:53:099:237:15
8:29
+0:29
25.2M
25.20 mi15:18:103:56:209:233:11
9:14
+0:45
Finish
26.22 mi15:26:014:04:119:197:51
7:42
-1:32

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

7:42 /mi

Average Pace

9:19 /mi

Slowest Pace

10:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

57:14

23% of race

Time at Steady Pace

1:09:19

28% of race

Time at Slower Pace

1:57:38

48% of race

Average Pace: 9:19 /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 mi11:53:2731:3710:1131:37
10:11
#23877
10K
6.21 mi12:22:591:01:099:5029:32
9:30
#23253
15K
9.32 mi12:51:431:29:539:3928:44
9:15
#22704
20K
12.43 mi13:25:152:03:259:5633:32
10:48
#23280
Half
13.11 mi13:30:562:09:069:515:41
8:20
#23050
25K
15.53 mi13:53:532:32:039:4722:57
9:28
#22679
30K
18.64 mi14:21:533:00:039:4028:00
9:01
#21943
20M
20.00 mi14:33:263:11:369:3511:33
8:30
#21542
21M
21.00 mi14:42:503:21:009:349:24
9:24
#21257
35K
21.75 mi14:49:003:27:109:326:10
8:15
#21059
23M
23.00 mi14:59:443:37:549:2810:44
8:34
#20717
24M
24.00 mi15:07:443:45:549:258:00
8:00
#20432
40K
24.85 mi15:14:593:53:099:237:15
8:29
#20236
25.2M
25.20 mi15:18:103:56:209:233:11
9:14
#20170
Finish
26.22 mi15:26:014:04:119:197:51
7:42
#19926
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23877140251402521460(Top 81%)12958(Top 85%)12958(Top 245%)
10K6.21 mi3.10 mi23253+62413724+30113724+30122530(Top 85%)13405(Top 88%)13405(Top 254%)
15K9.32 mi3.11 mi22704+54913494+23013494+23021460(Top 81%)12958(Top 85%)12958(Top 245%)
20K12.43 mi3.11 mi23280-57613757-26313757-26324308(Top 91%)14194(Top 94%)14194(Top 269%)
Half13.11 mi0.68 mi23050+23013653+10413653+10416662(Top 63%)10964(Top 72%)10964(Top 207%)
25K15.53 mi2.42 mi22679+37113462+19113462+19120722(Top 78%)12582(Top 83%)12582(Top 238%)
30K18.64 mi3.11 mi21943+73613118+34413118+34417240(Top 65%)11015(Top 73%)11015(Top 208%)
20M20.00 mi1.36 mi21542+40112932+18612932+18613618(Top 51%)9422(Top 62%)9422(Top 178%)
21M21.00 mi1.00 mi21257+28512783+14912783+14915467(Top 58%)10126(Top 67%)10126(Top 192%)
35K21.75 mi0.75 mi21059+19812678+10512678+10513745(Top 52%)9318(Top 61%)9318(Top 176%)
23M23.00 mi1.25 mi20717+34212522+15612522+15613663(Top 51%)9223(Top 61%)9223(Top 175%)
24M24.00 mi1.00 mi20432+28512386+13612386+13611239(Top 42%)8023(Top 53%)8023(Top 152%)
40K24.85 mi0.85 mi20236+19612291+9512291+9513200(Top 50%)8885(Top 59%)8885(Top 168%)
25.2M25.20 mi0.35 mi20170+6612256+3512256+3513798(Top 52%)9166(Top 60%)9166(Top 173%)
Finish26.22 mi1.02 mi19926+24412156+10012156+10010007(Top 38%)7301(Top 48%)7301(Top 138%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

21460

Males

12958

M18-39

12958

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

22530

Males

13405

M18-39

13405

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

21460

Males

12958

M18-39

12958

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

24308

Males

14194

M18-39

14194

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16662

Males

10964

M18-39

10964

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20722

Males

12582

M18-39

12582

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

17240

Males

11015

M18-39

11015

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

13618

Males

9422

M18-39

9422

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

15467

Males

10126

M18-39

10126

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

13745

Males

9318

M18-39

9318

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13663

Males

9223

M18-39

9223

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11239

Males

8023

M18-39

8023

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13200

Males

8885

M18-39

8885

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13798

Males

9166

M18-39

9166

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10007

Males

7301

M18-39

7301

Passing Analysis

Category:
Athletes Passed
4603
Passed By
652
Net Change
+3951
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23877
5K → 10K66743+624#23877#23253
10K → 15K55910+549#23253#22704
15K → 20K21597-576#22704#23280
20K → Half2300+230#23280#23050
Half → 25K3710+371#23050#22679
25K → 30K7360+736#22679#21943
30K → 20M4010+401#21943#21542
20M → 21M2850+285#21542#21257
21M → 35K1991+198#21257#21059
35K → 23M3420+342#21059#20717
23M → 24M2850+285#20717#20432
24M → 40K1971+196#20432#20236
40K → 25.2M660+66#20236#20170
25.2M → Finish2440+244#20170#19926
TOTALS4603652+3951
📊

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