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BOSTON MARATHON 2024

Che Koog Yoo

Bib: 10449•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:31
Rank: #22576
Start → 5K
30:31 | 9:49/mi
10K· 6.21 mi
1:01:12
Rank: #22433 (+143)
5K → 10K
30:41 | 9:53/mi
15K· 9.32 mi
1:33:33
Rank: #22551 (-118)
10K → 15K
32:21 | 10:25/mi
20K· 12.43 mi
2:08:09
Rank: #22653 (-102)
15K → 20K
34:36 | 11:08/mi
Half· 13.11 mi
2:15:03
Rank: #22612 (+41)
20K → Half
6:54 | 10:07/mi
25K· 15.53 mi
2:43:31
Rank: #22654 (-42)
Half → 25K
28:28 | 11:44/mi
30K· 18.64 mi
3:23:37
Rank: #22820 (-166)
25K → 30K
40:06 | 12:54/mi
20M
3:38:58
Rank: #22633 (+187)
30K → 20M
15:21 | 11:18/mi
21M
3:53:00
Rank: #22643 (-10)
20M → 21M
14:02 | 14:02/mi
35K· 21.75 mi
4:02:48
Rank: #22698 (-55)
21M → 35K
9:48 | 13:06/mi
23M
4:21:36
Rank: #22898 (-200)
35K → 23M
18:48 | 15:01/mi
24M
4:33:07
Rank: #22813 (+85)
23M → 24M
11:31 | 11:31/mi
40K· 24.85 mi
4:43:31
Rank: #22768 (+45)
24M → 40K
10:24 | 12:10/mi
25.2M
4:47:49
Rank: #22716 (+52)
40K → 25.2M
4:18 | 12:28/mi
Finish· 26.22 mi
4:58:17
Rank: #22635 (+81)
25.2M → Finish
10:28 | 10:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:03
Pace10:18 /mi
2nd Half
Distance13.11 mi
Time2:43:14
Pace12:27 /mi
📊Positive Split: 20.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:2930:319:4930:31
9:49
-
10K
6.21 mi11:56:101:01:129:5130:41
9:53
+0:04
15K
9.32 mi12:28:311:33:3310:0232:21
10:25
+0:32
20K
12.43 mi13:03:072:08:0910:1934:36
11:08
+0:43
Half
13.11 mi13:10:012:15:0310:186:54
10:07
-1:01
25K
15.53 mi13:38:292:43:3110:3228:28
11:44
+1:37
30K
18.64 mi14:18:353:23:3710:5540:06
12:54
+1:10
20M
20.00 mi14:33:563:38:5810:5715:21
11:18
-1:36
21M
21.00 mi14:47:583:53:0011:0614:02
14:02
+2:44
35K
21.75 mi14:57:464:02:4811:109:48
13:06
-0:56
23M
23.00 mi15:16:344:21:3611:2218:48
15:01
+1:55
24M
24.00 mi15:28:054:33:0711:2311:31
11:31
-3:30
40K
24.85 mi15:38:294:43:3111:2410:24
12:10
+0:39
25.2M
25.20 mi15:42:474:47:4911:254:18
12:28
+0:18
Finish
26.22 mi15:53:154:58:1711:2310:28
10:16
-2:12

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

9:49 /mi

Average Pace

11:23 /mi

Slowest Pace

15:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:55

37% of race

Time at Steady Pace

1:40:20

34% of race

Time at Slower Pace

1:27:02

29% of race

Average Pace: 11:23 /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 mi11:25:2930:319:4930:31
9:49
#22576
10K
6.21 mi11:56:101:01:129:5130:41
9:53
#22433
15K
9.32 mi12:28:311:33:3310:0232:21
10:25
#22551
20K
12.43 mi13:03:072:08:0910:1934:36
11:08
#22653
Half
13.11 mi13:10:012:15:0310:186:54
10:07
#22612
25K
15.53 mi13:38:292:43:3110:3228:28
11:44
#22654
30K
18.64 mi14:18:353:23:3710:5540:06
12:54
#22820
20M
20.00 mi14:33:563:38:5810:5715:21
11:18
#22633
21M
21.00 mi14:47:583:53:0011:0614:02
14:02
#22643
35K
21.75 mi14:57:464:02:4811:109:48
13:06
#22698
23M
23.00 mi15:16:344:21:3611:2218:48
15:01
#22898
24M
24.00 mi15:28:054:33:0711:2311:31
11:31
#22813
40K
24.85 mi15:38:294:43:3111:2410:24
12:10
#22768
25.2M
25.20 mi15:42:474:47:4911:254:18
12:28
#22716
Finish
26.22 mi15:53:154:58:1711:2310:28
10:16
#22635
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi22576133381333822771(Top 89%)13423(Top 92%)13423(Top 694%)
10K6.21 mi3.10 mi22433+14313267+7113267+7122282(Top 87%)13183(Top 90%)13183(Top 681%)
15K9.32 mi3.11 mi22551-11813341-7413341-7422771(Top 89%)13423(Top 92%)13423(Top 694%)
20K12.43 mi3.11 mi22653-10213374-3313374-3322866(Top 89%)13443(Top 92%)13443(Top 695%)
Half13.11 mi0.68 mi22612+4113354+2013354+2021754(Top 85%)12890(Top 88%)12890(Top 666%)
25K15.53 mi2.42 mi22654-4213360-613360-622766(Top 89%)13299(Top 91%)13299(Top 687%)
30K18.64 mi3.11 mi22820-16613382-2213382-2223188(Top 91%)13394(Top 92%)13394(Top 692%)
20M20.00 mi1.36 mi22633+18713272+11013272+11019974(Top 78%)11733(Top 80%)11733(Top 606%)
21M21.00 mi1.00 mi22643-1013249+2313249+2322375(Top 88%)12848(Top 88%)12848(Top 664%)
35K21.75 mi0.75 mi22698-5513269-2013269-2023341(Top 91%)13311(Top 91%)13311(Top 688%)
23M23.00 mi1.25 mi22898-20013344-7513344-7524668(Top 97%)14020(Top 96%)14020(Top 725%)
24M24.00 mi1.00 mi22813+8513296+4813296+4820453(Top 80%)11756(Top 81%)11756(Top 608%)
40K24.85 mi0.85 mi22768+4513265+3113265+3120764(Top 81%)11843(Top 81%)11843(Top 612%)
25.2M25.20 mi0.35 mi22716+5213234+3113234+3118440(Top 72%)10673(Top 73%)10673(Top 552%)
Finish26.22 mi1.02 mi22635+8113181+5313181+5319314(Top 76%)11144(Top 76%)11144(Top 576%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

22771

Males

13423

M50-54

13423

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

22282

Males

13183

M50-54

13183

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

22771

Males

13423

M50-54

13423

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

22866

Males

13443

M50-54

13443

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

21754

Males

12890

M50-54

12890

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

22766

Males

13299

M50-54

13299

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

23188

Males

13394

M50-54

13394

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

19974

Males

11733

M50-54

11733

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

22375

Males

12848

M50-54

12848

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

23341

Males

13311

M50-54

13311

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

24668

Males

14020

M50-54

14020

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

20453

Males

11756

M50-54

11756

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

20764

Males

11843

M50-54

11843

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

18440

Males

10673

M50-54

10673

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

19314

Males

11144

M50-54

11144

Passing Analysis

Category:
Athletes Passed
1381
Passed By
1440
Net Change
-59
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22576
5K → 10K280137+143#22576#22433
10K → 15K128246-118#22433#22551
15K → 20K131233-102#22551#22653
20K → Half5110+41#22653#22612
Half → 25K99141-42#22612#22654
25K → 30K96262-166#22654#22820
30K → 20M1969+187#22820#22633
20M → 21M6575-10#22633#22643
21M → 35K1974-55#22643#22698
35K → 23M13213-200#22698#22898
23M → 24M905+85#22898#22813
24M → 40K6924+45#22813#22768
40K → 25.2M575+52#22768#22716
25.2M → Finish876+81#22716#22635
TOTALS13811440-59
📊

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