Jaegun Koo

Bib: 12640•M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 28404

Top 45%

Gender (Male)

#0 / 16105

Masters (Masters Men)

#0 / 10463

Top 48%

Division (M50-54)

#0 / 1996

Race Day Weather

50°/40°F

broken clouds

⏱️ Race Timeline

Start

0:00:00

Race begins

Start

0:00:00

Race begins

5K· 3.11 mi

23:02

Rank: #11459

Start → 5K

23:02 | 7:25/mi

5K· 3.11 mi

23:02

Rank: #11459

Start → 5K

23:02 | 7:25/mi

10K· 6.21 mi

45:57

Rank: #11195 (+264)

5K → 10K

22:55 | 7:23/mi

10K· 6.21 mi

45:57

Rank: #11195 (+264)

5K → 10K

22:55 | 7:23/mi

15K· 9.32 mi

1:09:16

Rank: #11358 (-163)

10K → 15K

23:19 | 7:30/mi

15K· 9.32 mi

1:09:16

Rank: #11358 (-163)

10K → 15K

23:19 | 7:30/mi

20K· 12.43 mi

1:32:54

Rank: #11424 (-66)

15K → 20K

23:38 | 7:36/mi

20K· 12.43 mi

1:32:54

Rank: #11424 (-66)

15K → 20K

23:38 | 7:36/mi

Half· 13.11 mi

1:38:43

Rank: #11892 (-468)

20K → Half

5:49 | 8:32/mi

Half· 13.11 mi

1:38:43

Rank: #11892 (-468)

20K → Half

5:49 | 8:32/mi

25K· 15.53 mi

1:57:54

Rank: #12077 (-185)

Half → 25K

19:11 | 7:55/mi

25K· 15.53 mi

1:57:54

Rank: #12077 (-185)

Half → 25K

19:11 | 7:55/mi

30K· 18.64 mi

2:23:53

Rank: #12418 (-341)

25K → 30K

25:59 | 8:22/mi

30K· 18.64 mi

2:23:53

Rank: #12418 (-341)

25K → 30K

25:59 | 8:22/mi

20M

2:35:42

Rank: #12608 (-190)

30K → 20M

11:49 | 8:42/mi

20M

2:35:42

Rank: #12608 (-190)

30K → 20M

11:49 | 8:42/mi

21M

2:44:55

Rank: #12717 (-109)

20M → 21M

9:13 | 9:13/mi

21M

2:44:55

Rank: #12717 (-109)

20M → 21M

9:13 | 9:13/mi

35K· 21.75 mi

2:51:56

Rank: #13062 (-345)

21M → 35K

7:01 | 9:23/mi

35K· 21.75 mi

2:51:56

Rank: #13062 (-345)

21M → 35K

7:01 | 9:23/mi

23M

3:02:18

Rank: #12970 (+92)

35K → 23M

10:22 | 8:17/mi

23M

3:02:18

Rank: #12970 (+92)

35K → 23M

10:22 | 8:17/mi

24M

3:10:26

Rank: #12924 (+46)

23M → 24M

8:08 | 8:08/mi

24M

3:10:26

Rank: #12924 (+46)

23M → 24M

8:08 | 8:08/mi

40K· 24.85 mi

3:17:22

Rank: #12825 (+99)

24M → 40K

6:56 | 8:07/mi

40K· 24.85 mi

3:17:22

Rank: #12825 (+99)

24M → 40K

6:56 | 8:07/mi

25.2M

3:20:26

Rank: #12784 (+41)

40K → 25.2M

3:04 | 8:54/mi

25.2M

3:20:26

Rank: #12784 (+41)

40K → 25.2M

3:04 | 8:54/mi

Finish· 26.22 mi

3:28:24

Rank: #12706 (+78)

25.2M → Finish

7:58 | 7:49/mi

Finish· 26.22 mi

3:28:24

Rank: #12706 (+78)

25.2M → Finish

7:58 | 7:49/mi

The Course

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time1:38:43

Pace7:32 /mi

2nd Half

Distance13.11 mi

Time1:49:41

Pace8:22 /mi

📊Positive Split: 11.1% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:13:34	23:02	7:25	23:02	7:25	-
10K	6.21 mi	11:36:29	45:57	7:24	22:55	7:23	-0:02
15K	9.32 mi	11:59:48	1:09:16	7:26	23:19	7:30	+0:07
20K	12.43 mi	12:23:26	1:32:54	7:29	23:38	7:36	+0:06
Half	13.11 mi	12:29:15	1:38:43	7:32	5:49	8:32	+0:56
25K	15.53 mi	12:48:26	1:57:54	7:35	19:11	7:55	-0:37
30K	18.64 mi	13:14:25	2:23:53	7:43	25:59	8:22	+0:27
20M	20.00 mi	13:26:14	2:35:42	7:47	11:49	8:42	+0:20
21M	21.00 mi	13:35:27	2:44:55	7:51	9:13	9:13	+0:31
35K	21.75 mi	13:42:28	2:51:56	7:54	7:01	9:23	+0:10
23M	23.00 mi	13:52:50	3:02:18	7:56	10:22	8:17	-1:06
24M	24.00 mi	14:00:58	3:10:26	7:56	8:08	8:08	-0:09
40K	24.85 mi	14:07:54	3:17:22	7:56	6:56	8:07	-0:01
25.2M	25.20 mi	14:10:58	3:20:26	7:57	3:04	8:54	+0:47
Finish	26.22 mi	14:18:56	3:28:24	7:57	7:58	7:49	-1:05

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

7:23 /mi

Average Pace

7:57 /mi

Slowest Pace

9:23 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:52

48% of race

Time at Steady Pace

1:10:36

34% of race

Time at Slower Pace

36:56

18% of race

Average Pace: 7:57 /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.

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

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
5K	3.11 mi	11:13:34	23:02	7:25	23:02	7:25	#11459
10K	6.21 mi	11:36:29	45:57	7:24	22:55	7:23	#11195
15K	9.32 mi	11:59:48	1:09:16	7:26	23:19	7:30	#11358
20K	12.43 mi	12:23:26	1:32:54	7:29	23:38	7:36	#11424
Half	13.11 mi	12:29:15	1:38:43	7:32	5:49	8:32	#11892
25K	15.53 mi	12:48:26	1:57:54	7:35	19:11	7:55	#12077
30K	18.64 mi	13:14:25	2:23:53	7:43	25:59	8:22	#12418
20M	20.00 mi	13:26:14	2:35:42	7:47	11:49	8:42	#12608
21M	21.00 mi	13:35:27	2:44:55	7:51	9:13	9:13	#12717
35K	21.75 mi	13:42:28	2:51:56	7:54	7:01	9:23	#13062
23M	23.00 mi	13:52:50	3:02:18	7:56	10:22	8:17	#12970
24M	24.00 mi	14:00:58	3:10:26	7:56	8:08	8:08	#12924
40K	24.85 mi	14:07:54	3:17:22	7:56	6:56	8:07	#12825
25.2M	25.20 mi	14:10:58	3:20:26	7:57	3:04	8:54	#12784
Finish	26.22 mi	14:18:56	3:28:24	7:57	7:58	7:49	#12706

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
5K	3.11 mi	3.11 mi	11459	8922	8922	11796(Top 42%)	8970(Top 56%)	8970(Top 449%)
10K	6.21 mi	3.10 mi	11195+264	8772+150	8772+150	10971(Top 39%)	8649(Top 54%)	8649(Top 433%)
15K	9.32 mi	3.11 mi	11358-163	8825-53	8825-53	11796(Top 42%)	8970(Top 56%)	8970(Top 449%)
20K	12.43 mi	3.11 mi	11424-66	8826-1	8826-1	11656(Top 41%)	8815(Top 55%)	8815(Top 442%)
Half	13.11 mi	0.68 mi	11892-468	9038-212	9038-212	19301(Top 68%)	12155(Top 75%)	12155(Top 609%)
25K	15.53 mi	2.42 mi	12077-185	9088-50	9088-50	13168(Top 46%)	9369(Top 58%)	9369(Top 469%)
30K	18.64 mi	3.11 mi	12418-341	9163-75	9163-75	13903(Top 49%)	9552(Top 59%)	9552(Top 479%)
20M	20.00 mi	1.36 mi	12608-190	9210-47	9210-47	15006(Top 53%)	9911(Top 62%)	9911(Top 497%)
21M	21.00 mi	1.00 mi	12717-109	9231-21	9231-21	14690(Top 52%)	9654(Top 60%)	9654(Top 484%)
35K	21.75 mi	0.75 mi	13062-345	9368-137	9368-137	19849(Top 70%)	11890(Top 74%)	11890(Top 596%)
23M	23.00 mi	1.25 mi	12970+92	9288+80	9288+80	11912(Top 42%)	8194(Top 51%)	8194(Top 411%)
24M	24.00 mi	1.00 mi	12924+46	9226+62	9226+62	12122(Top 43%)	8228(Top 51%)	8228(Top 412%)
40K	24.85 mi	0.85 mi	12825+99	9158+68	9158+68	10931(Top 38%)	7541(Top 47%)	7541(Top 378%)
25.2M	25.20 mi	0.35 mi	12784+41	9129+29	9129+29	11161(Top 39%)	7567(Top 47%)	7567(Top 379%)
Finish	26.22 mi	1.02 mi	12706+78	9064+65	9064+65	11553(Top 41%)	7798(Top 48%)	7798(Top 391%)

7798

Passing Analysis

Category:

Athletes Passed

1683

Passed By

2930

Net Change

-1247

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#11459
5K → 10K	413	149	+264	#11459	#11195
10K → 15K	139	302	-163	#11195	#11358
15K → 20K	158	224	-66	#11358	#11424
20K → Half	2	470	-468	#11424	#11892
Half → 25K	103	288	-185	#11892	#12077
25K → 30K	154	495	-341	#12077	#12418
30K → 20M	69	259	-190	#12418	#12608
20M → 21M	85	194	-109	#12608	#12717
21M → 35K	12	357	-345	#12717	#13062
35K → 23M	154	62	+92	#13062	#12970
23M → 24M	102	56	+46	#12970	#12924
24M → 40K	119	20	+99	#12924	#12825
40K → 25.2M	58	17	+41	#12825	#12784
25.2M → Finish	115	37	+78	#12784	#12706
TOTALS	1683	2930	-1247