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BOSTON MARATHON 2023

Won Jung

Bib: 26870•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
30:06
Rank: #22618
Start → 5K
30:06 | 9:41/mi
10K· 6.21 mi
59:43
Rank: #22633 (-15)
5K → 10K
29:37 | 9:32/mi
15K· 9.32 mi
1:28:01
Rank: #22127 (+506)
10K → 15K
28:18 | 9:07/mi
20K· 12.43 mi
1:56:11
Rank: #21663 (+464)
15K → 20K
28:10 | 9:04/mi
Half· 13.11 mi
2:02:06
Rank: #21546 (+117)
20K → Half
5:55 | 8:40/mi
25K· 15.53 mi
2:25:00
Rank: #21386 (+160)
Half → 25K
22:54 | 9:27/mi
30K· 18.64 mi
2:55:12
Rank: #21177 (+209)
25K → 30K
30:12 | 9:43/mi
20M
3:09:18
Rank: #21173 (+4)
30K → 20M
14:06 | 10:23/mi
21M
3:20:04
Rank: #21120 (+53)
20M → 21M
10:46 | 10:46/mi
35K· 21.75 mi
3:26:46
Rank: #20995 (+125)
21M → 35K
6:42 | 8:57/mi
23M
3:38:43
Rank: #20829 (+166)
35K → 23M
11:57 | 9:33/mi
24M
3:48:16
Rank: #20758 (+71)
23M → 24M
9:33 | 9:33/mi
40K· 24.85 mi
3:56:54
Rank: #20732 (+26)
24M → 40K
8:38 | 10:06/mi
25.2M
4:00:47
Rank: #20745 (-13)
40K → 25.2M
3:53 | 11:16/mi
Finish· 26.22 mi
4:09:53
Rank: #20646 (+99)
25.2M → Finish
9:06 | 8:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:06
Pace9:19 /mi
2nd Half
Distance13.11 mi
Time2:07:47
Pace9:45 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2630:069:4130:06
9:41
-
10K
6.21 mi12:23:0359:439:3729:37
9:32
-0:09
15K
9.32 mi12:51:211:28:019:2728:18
9:07
-0:25
20K
12.43 mi13:19:311:56:119:2128:10
9:04
-0:03
Half
13.11 mi13:25:262:02:069:195:55
8:40
-0:24
25K
15.53 mi13:48:202:25:009:2022:54
9:27
+0:47
30K
18.64 mi14:18:322:55:129:2430:12
9:43
+0:16
20M
20.00 mi14:32:383:09:189:2814:06
10:23
+0:40
21M
21.00 mi14:43:243:20:049:3210:46
10:46
+0:23
35K
21.75 mi14:50:063:26:469:306:42
8:57
-1:49
23M
23.00 mi15:02:033:38:439:3111:57
9:33
+0:36
24M
24.00 mi15:11:363:48:169:319:33
9:33
0:00
40K
24.85 mi15:20:143:56:549:328:38
10:06
+0:33
25.2M
25.20 mi15:24:074:00:479:333:53
11:16
+1:10
Finish
26.22 mi15:33:134:09:539:329:06
8:56
-2:20

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

8:40 /mi

Average Pace

9:32 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:11

31% of race

Time at Steady Pace

2:14:19

54% of race

Time at Slower Pace

37:23

15% of race

Average Pace: 9:32 /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 mi11:53:2630:069:4130:06
9:41
#22618
10K
6.21 mi12:23:0359:439:3729:37
9:32
#22633
15K
9.32 mi12:51:211:28:019:2728:18
9:07
#22127
20K
12.43 mi13:19:311:56:119:2128:10
9:04
#21663
Half
13.11 mi13:25:262:02:069:195:55
8:40
#21546
25K
15.53 mi13:48:202:25:009:2022:54
9:27
#21386
30K
18.64 mi14:18:322:55:129:2430:12
9:43
#21177
20M
20.00 mi14:32:383:09:189:2814:06
10:23
#21173
21M
21.00 mi14:43:243:20:049:3210:46
10:46
#21120
35K
21.75 mi14:50:063:26:469:306:42
8:57
#20995
23M
23.00 mi15:02:033:38:439:3111:57
9:33
#20829
24M
24.00 mi15:11:363:48:169:319:33
9:33
#20758
40K
24.85 mi15:20:143:56:549:328:38
10:06
#20732
25.2M
25.20 mi15:24:074:00:479:333:53
11:16
#20745
Finish
26.22 mi15:33:134:09:539:329:06
8:56
#20646
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22618134011340120967(Top 79%)12730(Top 84%)12730(Top 241%)
10K6.21 mi3.10 mi22633-1513447-4613447-4622599(Top 85%)13436(Top 89%)13436(Top 254%)
15K9.32 mi3.11 mi22127+50613201+24613201+24620967(Top 79%)12730(Top 84%)12730(Top 241%)
20K12.43 mi3.11 mi21663+46413000+20113000+20119988(Top 75%)12295(Top 81%)12295(Top 233%)
Half13.11 mi0.68 mi21546+11712953+4712953+4718764(Top 70%)11819(Top 78%)11819(Top 224%)
25K15.53 mi2.42 mi21386+16012883+7012883+7020649(Top 78%)12556(Top 83%)12556(Top 238%)
30K18.64 mi3.11 mi21177+20912776+10712776+10720199(Top 76%)12294(Top 81%)12294(Top 233%)
20M20.00 mi1.36 mi21173+412753+2312753+2321454(Top 81%)12760(Top 84%)12760(Top 241%)
21M21.00 mi1.00 mi21120+5312714+3912714+3920291(Top 76%)12186(Top 80%)12186(Top 231%)
35K21.75 mi0.75 mi20995+12512651+6312651+6317723(Top 67%)11031(Top 73%)11031(Top 209%)
23M23.00 mi1.25 mi20829+16612571+8012571+8018490(Top 69%)11349(Top 75%)11349(Top 215%)
24M24.00 mi1.00 mi20758+7112527+4412527+4419386(Top 73%)11711(Top 77%)11711(Top 222%)
40K24.85 mi0.85 mi20732+2612507+2012507+2020227(Top 76%)12027(Top 79%)12027(Top 228%)
25.2M25.20 mi0.35 mi20745-1312509-212509-221023(Top 79%)12396(Top 82%)12396(Top 235%)
Finish26.22 mi1.02 mi20646+9912454+5512454+5517618(Top 66%)10889(Top 72%)10889(Top 206%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

20967

Males

12730

M18-39

12730

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

22599

Males

13436

M18-39

13436

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

20967

Males

12730

M18-39

12730

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

19988

Males

12295

M18-39

12295

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

18764

Males

11819

M18-39

11819

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20649

Males

12556

M18-39

12556

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

20199

Males

12294

M18-39

12294

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

21454

Males

12760

M18-39

12760

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

20291

Males

12186

M18-39

12186

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17723

Males

11031

M18-39

11031

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

18490

Males

11349

M18-39

11349

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

19386

Males

11711

M18-39

11711

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20227

Males

12027

M18-39

12027

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21023

Males

12396

M18-39

12396

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

17618

Males

10889

M18-39

10889

Passing Analysis

Category:
Athletes Passed
2495
Passed By
523
Net Change
+1972
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22618
5K → 10K234249-15#22618#22633
10K → 15K51711+506#22633#22127
15K → 20K4717+464#22127#21663
20K → Half1170+117#21663#21546
Half → 25K19030+160#21546#21386
25K → 30K25849+209#21386#21177
30K → 20M6965+4#21177#21173
20M → 21M8936+53#21173#21120
21M → 35K1283+125#21120#20995
35K → 23M17711+166#20995#20829
23M → 24M798+71#20829#20758
24M → 40K5024+26#20758#20732
40K → 25.2M1225-13#20732#20745
25.2M → Finish1045+99#20745#20646
TOTALS2495523+1972
📊

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