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BOSTON MARATHON 2023

Kwanghyeok Paek

Bib: 9150•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 (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:04
Rank: #16799
Start → 5K
26:04 | 8:23/mi
10K· 6.21 mi
53:13
Rank: #18286 (-1487)
5K → 10K
27:09 | 8:44/mi
15K· 9.32 mi
1:22:11
Rank: #19691 (-1405)
10K → 15K
28:58 | 9:19/mi
20K· 12.43 mi
1:54:25
Rank: #21208 (-1517)
15K → 20K
32:14 | 10:22/mi
Half· 13.11 mi
2:01:16
Rank: #21346 (-138)
20K → Half
6:51 | 10:02/mi
25K· 15.53 mi
2:25:22
Rank: #21485 (-139)
Half → 25K
24:06 | 9:57/mi
30K· 18.64 mi
2:56:16
Rank: #21341 (+144)
25K → 30K
30:54 | 9:57/mi
20M
3:12:28
Rank: #21647 (-306)
30K → 20M
16:12 | 11:55/mi
21M
3:23:51
Rank: #21672 (-25)
20M → 21M
11:23 | 11:23/mi
35K· 21.75 mi
3:32:19
Rank: #21793 (-121)
21M → 35K
8:28 | 11:19/mi
23M
3:45:45
Rank: #21793
35K → 23M
13:26 | 10:44/mi
24M
3:56:47
Rank: #21862 (-69)
23M → 24M
11:02 | 11:02/mi
40K· 24.85 mi
4:05:21
Rank: #21789 (+73)
24M → 40K
8:34 | 10:01/mi
25.2M
4:08:51
Rank: #21731 (+58)
40K → 25.2M
3:30 | 10:09/mi
Finish· 26.22 mi
4:18:38
Rank: #21698 (+33)
25.2M → Finish
9:47 | 9:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:16
Pace9:15 /mi
2nd Half
Distance13.11 mi
Time2:17:22
Pace10:29 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2426:048:2326:04
8:23
-
10K
6.21 mi11:19:3353:138:3427:09
8:44
+0:21
15K
9.32 mi11:48:311:22:118:4928:58
9:19
+0:35
20K
12.43 mi12:20:451:54:259:1232:14
10:22
+1:03
Half
13.11 mi12:27:362:01:169:156:51
10:02
-0:20
25K
15.53 mi12:51:422:25:229:2124:06
9:57
-0:05
30K
18.64 mi13:22:362:56:169:2730:54
9:57
0:00
20M
20.00 mi13:38:483:12:289:3716:12
11:55
+1:58
21M
21.00 mi13:50:113:23:519:4211:23
11:23
-0:32
35K
21.75 mi13:58:393:32:199:468:28
11:19
-0:04
23M
23.00 mi14:12:053:45:459:4913:26
10:44
-0:35
24M
24.00 mi14:23:073:56:479:5211:02
11:02
+0:18
40K
24.85 mi14:31:414:05:219:528:34
10:01
-1:01
25.2M
25.20 mi14:35:114:08:519:533:30
10:09
+0:08
Finish
26.22 mi14:44:584:18:389:529:47
9:36
-0:33

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

8:23 /mi

Average Pace

9:52 /mi

Slowest Pace

11:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:11

32% of race

Time at Steady Pace

1:55:56

45% of race

Time at Slower Pace

1:00:31

23% of race

Average Pace: 9:52 /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 mi10:52:2426:048:2326:04
8:23
#16799
10K
6.21 mi11:19:3353:138:3427:09
8:44
#18286
15K
9.32 mi11:48:311:22:118:4928:58
9:19
#19691
20K
12.43 mi12:20:451:54:259:1232:14
10:22
#21208
Half
13.11 mi12:27:362:01:169:156:51
10:02
#21346
25K
15.53 mi12:51:422:25:229:2124:06
9:57
#21485
30K
18.64 mi13:22:362:56:169:2730:54
9:57
#21341
20M
20.00 mi13:38:483:12:289:3716:12
11:55
#21647
21M
21.00 mi13:50:113:23:519:4211:23
11:23
#21672
35K
21.75 mi13:58:393:32:199:468:28
11:19
#21793
23M
23.00 mi14:12:053:45:459:4913:26
10:44
#21793
24M
24.00 mi14:23:073:56:479:5211:02
11:02
#21862
40K
24.85 mi14:31:414:05:219:528:34
10:01
#21789
25.2M
25.20 mi14:35:114:08:519:533:30
10:09
#21731
Finish
26.22 mi14:44:584:18:389:529:47
9:36
#21698
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi16799109901099021709(Top 82%)13069(Top 86%)13069(Top 583%)
10K6.21 mi3.10 mi18286-148711580-59011580-59019625(Top 74%)12141(Top 80%)12141(Top 542%)
15K9.32 mi3.11 mi19691-140512108-52812108-52821709(Top 82%)13069(Top 86%)13069(Top 583%)
20K12.43 mi3.11 mi21208-151712802-69412802-69423600(Top 89%)13888(Top 92%)13888(Top 620%)
Half13.11 mi0.68 mi21346-13812864-6212864-6223334(Top 88%)13771(Top 91%)13771(Top 615%)
25K15.53 mi2.42 mi21485-13912927-6312927-6322097(Top 83%)13183(Top 87%)13183(Top 588%)
30K18.64 mi3.11 mi21341+14412845+8212845+8220865(Top 78%)12576(Top 83%)12576(Top 561%)
20M20.00 mi1.36 mi21647-30612977-13212977-13224098(Top 91%)13944(Top 92%)13944(Top 622%)
21M21.00 mi1.00 mi21672-2512978-112978-121653(Top 81%)12825(Top 85%)12825(Top 572%)
35K21.75 mi0.75 mi21793-12113023-4513023-4523812(Top 89%)13743(Top 91%)13743(Top 613%)
23M23.00 mi1.25 mi2179313006+1713006+1721827(Top 82%)12826(Top 85%)12826(Top 572%)
24M24.00 mi1.00 mi21862-6913034-2813034-2823102(Top 87%)13392(Top 88%)13392(Top 598%)
40K24.85 mi0.85 mi21789+7312983+5112983+5120016(Top 75%)11930(Top 79%)11930(Top 532%)
25.2M25.20 mi0.35 mi21731+5812950+3312950+3317939(Top 67%)10998(Top 72%)10998(Top 491%)
Finish26.22 mi1.02 mi21698+3312936+1412936+1420470(Top 77%)12173(Top 80%)12173(Top 543%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

21709

Males

13069

M40-44

13069

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

19625

Males

12141

M40-44

12141

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

21709

Males

13069

M40-44

13069

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

23600

Males

13888

M40-44

13888

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

23334

Males

13771

M40-44

13771

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

22097

Males

13183

M40-44

13183

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

20865

Males

12576

M40-44

12576

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

24098

Males

13944

M40-44

13944

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

21653

Males

12825

M40-44

12825

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

23812

Males

13743

M40-44

13743

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

21827

Males

12826

M40-44

12826

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

23102

Males

13392

M40-44

13392

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

20016

Males

11930

M40-44

11930

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17939

Males

10998

M40-44

10998

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

20470

Males

12173

M40-44

12173

Passing Analysis

Category:
Athletes Passed
653
Passed By
5552
Net Change
-4899
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16799
5K → 10K311518-1487#16799#18286
10K → 15K81413-1405#18286#19691
15K → 20K111528-1517#19691#21208
20K → Half3141-138#21208#21346
Half → 25K59198-139#21346#21485
25K → 30K19450+144#21485#21341
30K → 20M16322-306#21341#21647
20M → 21M4974-25#21647#21672
21M → 35K12133-121#21672#21793
35K → 23M68680#21793#21793
23M → 24M1483-69#21793#21862
24M → 40K829+73#21862#21789
40K → 25.2M591+58#21789#21731
25.2M → Finish4714+33#21731#21698
TOTALS6535552-4899
📊

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