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BOSTON MARATHON 2023

David (hyung Ik) Han

Bib: 7583•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
32:21
Rank: #24501
Start → 5K
32:21 | 10:25/mi
10K· 6.21 mi
1:04:16
Rank: #24369 (+132)
5K → 10K
31:55 | 10:16/mi
15K· 9.32 mi
1:38:23
Rank: #24727 (-358)
10K → 15K
34:07 | 10:59/mi
20K· 12.43 mi
2:10:16
Rank: #24387 (+340)
15K → 20K
31:53 | 10:16/mi
Half· 13.11 mi
2:17:07
Rank: #24339 (+48)
20K → Half
6:51 | 10:02/mi
25K· 15.53 mi
2:43:03
Rank: #24157 (+182)
Half → 25K
25:56 | 10:42/mi
30K· 18.64 mi
3:17:53
Rank: #24013 (+144)
25K → 30K
34:50 | 11:13/mi
20M
3:33:32
Rank: #23992 (+21)
30K → 20M
15:39 | 11:31/mi
21M
3:45:38
Rank: #23936 (+56)
20M → 21M
12:06 | 12:06/mi
35K· 21.75 mi
3:53:43
Rank: #23906 (+30)
21M → 35K
8:05 | 10:48/mi
23M
4:08:05
Rank: #23892 (+14)
35K → 23M
14:22 | 11:28/mi
24M
4:19:06
Rank: #23851 (+41)
23M → 24M
11:01 | 11:01/mi
40K· 24.85 mi
4:28:24
Rank: #23796 (+55)
24M → 40K
9:18 | 10:53/mi
25.2M
4:32:28
Rank: #23775 (+21)
40K → 25.2M
4:04 | 11:48/mi
Finish· 26.22 mi
4:43:16
Rank: #23767 (+8)
25.2M → Finish
10:48 | 10:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:07
Pace10:28 /mi
2nd Half
Distance13.11 mi
Time2:26:09
Pace11:09 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:3632:2110:2532:21
10:25
-
10K
6.21 mi11:10:311:04:1610:2131:55
10:16
-0:09
15K
9.32 mi11:44:381:38:2310:3334:07
10:59
+0:43
20K
12.43 mi12:16:312:10:1610:2931:53
10:16
-0:43
Half
13.11 mi12:23:222:17:0710:286:51
10:02
-0:14
25K
15.53 mi12:49:182:43:0310:3025:56
10:42
+0:40
30K
18.64 mi13:24:083:17:5310:3734:50
11:13
+0:31
20M
20.00 mi13:39:473:33:3210:4115:39
11:31
+0:18
21M
21.00 mi13:51:533:45:3810:4512:06
12:06
+0:35
35K
21.75 mi13:59:583:53:4310:458:05
10:48
-1:18
23M
23.00 mi14:14:204:08:0510:4714:22
11:28
+0:40
24M
24.00 mi14:25:214:19:0610:4811:01
11:01
-0:27
40K
24.85 mi14:34:394:28:2410:489:18
10:53
-0:08
25.2M
25.20 mi14:38:434:32:2810:494:04
11:48
+0:55
Finish
26.22 mi14:49:314:43:1610:4910:48
10:36
-1:12

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

10:02 /mi

Average Pace

10:49 /mi

Slowest Pace

12:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:00

36% of race

Time at Steady Pace

1:39:15

35% of race

Time at Slower Pace

1:21:01

29% of race

Average Pace: 10:48 /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 mi10:38:3632:2110:2532:21
10:25
#24501
10K
6.21 mi11:10:311:04:1610:2131:55
10:16
#24369
15K
9.32 mi11:44:381:38:2310:3334:07
10:59
#24727
20K
12.43 mi12:16:312:10:1610:2931:53
10:16
#24387
Half
13.11 mi12:23:222:17:0710:286:51
10:02
#24339
25K
15.53 mi12:49:182:43:0310:3025:56
10:42
#24157
30K
18.64 mi13:24:083:17:5310:3734:50
11:13
#24013
20M
20.00 mi13:39:473:33:3210:4115:39
11:31
#23992
21M
21.00 mi13:51:533:45:3810:4512:06
12:06
#23936
35K
21.75 mi13:59:583:53:4310:458:05
10:48
#23906
23M
23.00 mi14:14:204:08:0510:4714:22
11:28
#23892
24M
24.00 mi14:25:214:19:0610:4811:01
11:01
#23851
40K
24.85 mi14:34:394:28:2410:489:18
10:53
#23796
25.2M
25.20 mi14:38:434:32:2810:494:04
11:48
#23775
Finish
26.22 mi14:49:314:43:1610:4910:48
10:36
#23767
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24501143251432525146(Top 94%)14583(Top 96%)14583(Top 276%)
10K6.21 mi3.10 mi24369+13214257+6814257+6824250(Top 91%)14203(Top 94%)14203(Top 269%)
15K9.32 mi3.11 mi24727-35814412-15514412-15525146(Top 94%)14583(Top 96%)14583(Top 276%)
20K12.43 mi3.11 mi24387+34014254+15814254+15823402(Top 88%)13816(Top 91%)13816(Top 261%)
Half13.11 mi0.68 mi24339+4814234+2014234+2023345(Top 88%)13782(Top 91%)13782(Top 261%)
25K15.53 mi2.42 mi24157+18214141+9314141+9323506(Top 88%)13810(Top 91%)13810(Top 261%)
30K18.64 mi3.11 mi24013+14414066+7514066+7523435(Top 88%)13711(Top 90%)13711(Top 259%)
20M20.00 mi1.36 mi23992+2114051+1514051+1523538(Top 88%)13705(Top 90%)13705(Top 259%)
21M21.00 mi1.00 mi23936+5614015+3614015+3622904(Top 86%)13385(Top 88%)13385(Top 253%)
35K21.75 mi0.75 mi23906+3013989+2613989+2622941(Top 86%)13357(Top 88%)13357(Top 253%)
23M23.00 mi1.25 mi23892+1413976+1313976+1323205(Top 87%)13487(Top 89%)13487(Top 255%)
24M24.00 mi1.00 mi23851+4113952+2413952+2423084(Top 87%)13388(Top 88%)13388(Top 253%)
40K24.85 mi0.85 mi23796+5513922+3013922+3022104(Top 83%)12890(Top 85%)12890(Top 244%)
25.2M25.20 mi0.35 mi23775+2113905+1713905+1722126(Top 83%)12916(Top 85%)12916(Top 244%)
Finish26.22 mi1.02 mi23767+813894+1113894+1123205(Top 87%)13434(Top 89%)13434(Top 254%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

25146

Males

14583

M18-39

14583

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

24250

Males

14203

M18-39

14203

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

25146

Males

14583

M18-39

14583

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

23402

Males

13816

M18-39

13816

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

23345

Males

13782

M18-39

13782

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

23506

Males

13810

M18-39

13810

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

23435

Males

13711

M18-39

13711

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

23538

Males

13705

M18-39

13705

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

22904

Males

13385

M18-39

13385

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

22941

Males

13357

M18-39

13357

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23205

Males

13487

M18-39

13487

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

23084

Males

13388

M18-39

13388

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22104

Males

12890

M18-39

12890

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22126

Males

12916

M18-39

12916

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

23205

Males

13434

M18-39

13434

Passing Analysis

Category:
Athletes Passed
1445
Passed By
711
Net Change
+734
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24501
5K → 10K251119+132#24501#24369
10K → 15K41399-358#24369#24727
15K → 20K3466+340#24727#24387
20K → Half513+48#24387#24339
Half → 25K19715+182#24339#24157
25K → 30K17531+144#24157#24013
30K → 20M5837+21#24013#23992
20M → 21M6913+56#23992#23936
21M → 35K4414+30#23936#23906
35K → 23M4935+14#23906#23892
23M → 24M5514+41#23892#23851
24M → 40K594+55#23851#23796
40K → 25.2M254+21#23796#23775
25.2M → Finish2517+8#23775#23767
TOTALS1445711+734
📊

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