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BOSTON MARATHON 2023

Youngsoo Hong

Bib: 15660•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:32
Rank: #24629
Start → 5K
32:32 | 10:28/mi
10K· 6.21 mi
1:05:16
Rank: #24718 (-89)
5K → 10K
32:44 | 10:32/mi
15K· 9.32 mi
1:39:02
Rank: #24847 (-129)
10K → 15K
33:46 | 10:52/mi
20K· 12.43 mi
2:13:04
Rank: #24782 (+65)
15K → 20K
34:02 | 10:57/mi
Half· 13.11 mi
2:20:37
Rank: #24800 (-18)
20K → Half
7:33 | 11:04/mi
25K· 15.53 mi
2:47:05
Rank: #24641 (+159)
Half → 25K
26:28 | 10:55/mi
30K· 18.64 mi
3:34:28
Rank: #25322 (-681)
25K → 30K
47:23 | 15:15/mi
20M
3:49:53
Rank: #25225 (+97)
30K → 20M
15:25 | 11:21/mi
21M
4:04:32
Rank: #25251 (-26)
20M → 21M
14:39 | 14:39/mi
35K· 21.75 mi
4:13:36
Rank: #25248 (+3)
21M → 35K
9:04 | 12:07/mi
23M
4:29:53
Rank: #25247 (+1)
35K → 23M
16:17 | 13:00/mi
24M
4:42:34
Rank: #25256 (-9)
23M → 24M
12:41 | 12:41/mi
40K· 24.85 mi
4:53:47
Rank: #25262 (-6)
24M → 40K
11:13 | 13:07/mi
25.2M
4:58:10
Rank: #25246 (+16)
40K → 25.2M
4:23 | 12:43/mi
Finish· 26.22 mi
5:09:00
Rank: #25204 (+42)
25.2M → Finish
10:50 | 10:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:37
Pace10:44 /mi
2nd Half
Distance13.11 mi
Time2:48:23
Pace12:51 /mi
📊Positive Split: 19.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:0632:3210:2832:32
10:28
-
10K
6.21 mi12:24:501:05:1610:3032:44
10:32
+0:04
15K
9.32 mi12:58:361:39:0210:3833:46
10:52
+0:20
20K
12.43 mi13:32:382:13:0410:4234:02
10:57
+0:05
Half
13.11 mi13:40:112:20:3710:447:33
11:04
+0:07
25K
15.53 mi14:06:392:47:0510:4526:28
10:55
-0:09
30K
18.64 mi14:54:023:34:2811:3047:23
15:15
+4:20
20M
20.00 mi15:09:273:49:5311:3015:25
11:21
-3:54
21M
21.00 mi15:24:064:04:3211:3914:39
14:39
+3:18
35K
21.75 mi15:33:104:13:3611:409:04
12:07
-2:32
23M
23.00 mi15:49:274:29:5311:4416:17
13:00
+0:53
24M
24.00 mi16:02:084:42:3411:4612:41
12:41
-0:19
40K
24.85 mi16:13:214:53:4711:4911:13
13:07
+0:26
25.2M
25.20 mi16:17:444:58:1011:504:23
12:43
-0:24
Finish
26.22 mi16:28:345:09:0011:4810:50
10:38
-2:05

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

10:28 /mi

Average Pace

11:48 /mi

Slowest Pace

15:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:05:16

21% of race

Time at Steady Pace

2:08:04

41% of race

Time at Slower Pace

1:55:40

37% of race

Average Pace: 11:47 /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 mi11:52:0632:3210:2832:32
10:28
#24629
10K
6.21 mi12:24:501:05:1610:3032:44
10:32
#24718
15K
9.32 mi12:58:361:39:0210:3833:46
10:52
#24847
20K
12.43 mi13:32:382:13:0410:4234:02
10:57
#24782
Half
13.11 mi13:40:112:20:3710:447:33
11:04
#24800
25K
15.53 mi14:06:392:47:0510:4526:28
10:55
#24641
30K
18.64 mi14:54:023:34:2811:3047:23
15:15
#25322
20M
20.00 mi15:09:273:49:5311:3015:25
11:21
#25225
21M
21.00 mi15:24:064:04:3211:3914:39
14:39
#25251
35K
21.75 mi15:33:104:13:3611:409:04
12:07
#25248
23M
23.00 mi15:49:274:29:5311:4416:17
13:00
#25247
24M
24.00 mi16:02:084:42:3411:4612:41
12:41
#25256
40K
24.85 mi16:13:214:53:4711:4911:13
13:07
#25262
25.2M
25.20 mi16:17:444:58:1011:504:23
12:43
#25246
Finish
26.22 mi16:28:345:09:0011:4810:50
10:38
#25204
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi24629143761437625025(Top 94%)14531(Top 96%)14531(Top 1022%)
10K6.21 mi3.10 mi24718-8914420-4414420-4424737(Top 93%)14420(Top 95%)14420(Top 1014%)
15K9.32 mi3.11 mi24847-12914465-4514465-4525025(Top 94%)14531(Top 96%)14531(Top 1022%)
20K12.43 mi3.11 mi24782+6514432+3314432+3324563(Top 92%)14307(Top 94%)14307(Top 1006%)
Half13.11 mi0.68 mi24800-1814435-314435-325020(Top 94%)14490(Top 95%)14490(Top 1019%)
25K15.53 mi2.42 mi24641+15914351+8414351+8423835(Top 90%)13948(Top 92%)13948(Top 981%)
30K18.64 mi3.11 mi25322-68114624-27314624-27326484(Top 99%)15111(Top 100%)15111(Top 1063%)
20M20.00 mi1.36 mi25225+9714579+4514579+4523255(Top 87%)13580(Top 89%)13580(Top 955%)
21M21.00 mi1.00 mi25251-2614589-1014589-1025517(Top 96%)14629(Top 96%)14629(Top 1029%)
35K21.75 mi0.75 mi25248+314578+1114578+1124795(Top 93%)14220(Top 94%)14220(Top 1000%)
23M23.00 mi1.25 mi25247+114565+1314565+1325090(Top 94%)14388(Top 95%)14388(Top 1012%)
24M24.00 mi1.00 mi25256-914568-314568-325223(Top 95%)14406(Top 95%)14406(Top 1013%)
40K24.85 mi0.85 mi25262-614567+114567+125025(Top 94%)14316(Top 94%)14316(Top 1007%)
25.2M25.20 mi0.35 mi25246+1614560+714560+723599(Top 89%)13601(Top 90%)13601(Top 956%)
Finish26.22 mi1.02 mi25204+4214535+2514535+2523284(Top 87%)13472(Top 89%)13472(Top 947%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

25025

Males

14531

M55-59

14531

5K→10K

3.1 - 6.2 mi

Top 93%
×5stories
+79ft-138ft

Overall

24737

Males

14420

M55-59

14420

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

25025

Males

14531

M55-59

14531

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

24563

Males

14307

M55-59

14307

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

25020

Males

14490

M55-59

14490

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

23835

Males

13948

M55-59

13948

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

26484

Males

15111

M55-59

15111

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

23255

Males

13580

M55-59

13580

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

25517

Males

14629

M55-59

14629

21M→35K

21.0 - 21.8 mi

Top 93%
×7stories
+17ft-86ft

Overall

24795

Males

14220

M55-59

14220

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

25090

Males

14388

M55-59

14388

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

25223

Males

14406

M55-59

14406

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

25025

Males

14316

M55-59

14316

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23599

Males

13601

M55-59

13601

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

23284

Males

13472

M55-59

13472

Passing Analysis

Category:
Athletes Passed
820
Passed By
1395
Net Change
-575
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24629
5K → 10K156245-89#24629#24718
10K → 15K64193-129#24718#24847
15K → 20K13368+65#24847#24782
20K → Half1735-18#24782#24800
Half → 25K17314+159#24800#24641
25K → 30K2683-681#24641#25322
30K → 20M992+97#25322#25225
20M → 21M2248-26#25225#25251
21M → 35K2522+3#25251#25248
35K → 23M3130+1#25248#25247
23M → 24M1827-9#25247#25256
24M → 40K1723-6#25256#25262
40K → 25.2M171+16#25262#25246
25.2M → Finish464+42#25246#25204
TOTALS8201395-575
📊

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