Yun Jae Chun

Seoul, Seoul

Bib: 23333 F 51

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 61036

Top 37%

Gender (Female)

#0 / 28901

Top 26%

Masters (Masters Women)

#0 / 10324

Top 23%

Division (W50-54)

#0 / 2116

Top 21%

Race Day Weather

50°/40°F

clear sky

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Mile 1 · 259 ft

Mile 2 · 64 ft

Start

0:00

Race begins

118 ft elev

9:50/mi

29:31

↑ 182 ft↓ 221 ft0.2% grade

79 ft elev

5K· 3.11 mi

8:35/mi

30:26

→ flat

76 ft elev

9:45/mi

39:08

↑ 23 ft↓ 16 ft0.1% grade

84 ft elev

9:19/mi

48:27

↑ 13 ft↓ 30 ft0.3% grade

70 ft elev

9:11/mi

57:38

↑ 16 ft↓ 36 ft0.4% grade

47 ft elev

10K· 6.21 mi

9:31/mi

59:40

→ flat0.6% grade

58 ft elev

9:17/mi

1:06:58

↓ 30 ft0.6% grade

33 ft elev

9:16/mi

1:16:14

↑ 30 ft0.4% grade

54 ft elev

9:20/mi

1:25:34

↑ 61 ft↓ 33 ft0.5% grade

81 ft elev

15K· 9.32 mi

9:03/mi

1:28:28

↓ 13 ft0.8% grade

66 ft elev

10M

9:00/mi

1:34:35

↓ 36 ft0.9% grade

33 ft elev

11M

9:15/mi

1:43:50

↑ 43 ft0.7% grade

72 ft elev

12M

8:59/mi

1:52:49

↓ 46 ft0.8% grade

33 ft elev

20K· 12.43 mi

9:12/mi

1:56:45

↑ 16 ft0.7% grade

54 ft elev

13M

13:28/mi

2:04:27

↓ 26 ft0.8% grade

36 ft elev

Half· 13.11 mi

13:28/mi

2:05:56

→ flat0.5% grade

49 ft elev

14M

8:46/mi

2:13:44

↑ 23 ft↓ 39 ft0.3% grade

36 ft elev

15M

9:20/mi

2:23:04

↑ 62 ft1.1% grade

93 ft elev

25K· 15.53 mi

9:36/mi

2:28:12

↑ 68 ft2.4% grade

169 ft elev

16M

8:59/mi

2:32:23

↓ 45 ft1.7% grade

125 ft elev

17M

9:14/mi

2:41:37

↑ 10 ft↓ 59 ft0.9% grade

59 ft elev

18M

9:18/mi

2:50:55

↑ 30 ft↓ 49 ft0.4% grade

39 ft elev

30K· 18.64 mi

9:37/mi

2:57:05

→ flat

41 ft elev

19M

9:36/mi

3:00:32

→ flat0.2% grade

39 ft elev

20M

9:50/mi

3:10:22

↑ 43 ft0.7% grade

72 ft elev

21M

9:34/mi

3:19:56

↑ 20 ft↓ 39 ft0.4% grade

53 ft elev

35K· 21.75 mi

9:47/mi

3:27:15

↑ 20 ft↓ 23 ft

52 ft elev

22M

9:59/mi

3:29:46

→ flat0.2% grade

51 ft elev

23M

9:48/mi

3:39:34

↓ 10 ft0.1% grade

46 ft elev

24M

9:39/mi

3:49:13

↑ 92 ft1.7% grade

138 ft elev

40K· 24.85 mi

9:33/mi

3:57:23

↑ 13 ft↓ 62 ft1.1% grade

93 ft elev

25M

9:17/mi

3:58:44

↑ 10 ft1.3% grade

111 ft elev

26M

9:19/mi

4:08:03

↑ 39 ft↓ 39 ft

112 ft elev

Finish· 26.22 mi

8:32/mi

4:09:55

↓ 10 ft0.9% grade

102 ft elev

Course Elevation

926ft

Total climb

232ft

Range

30 to 262 ft

943ft

Total descent

About the height of two Statues of Liberty

The Course

Half Splits

1st Half· via Half

2:05:569:36 /mi+1.5%

2nd Half

2:03:599:27 /mi✓ faster

Negative split — 1.5% faster in the second half

AI Race Performance Report

Yun's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
3M	29:31	9:50	3.00 mi	29:31	9:50	-
5K	30:26	9:48	0.11 mi	0:55	8:35	-1:15
4M	39:08	9:47	0.89 mi	8:42	9:45	+1:10
5M	48:27	9:41	1.00 mi	9:19	9:19	-0:26
6M	57:38	9:36	1.00 mi	9:11	9:11	-0:08
10K	59:40	9:36	0.21 mi	2:02	9:31	+0:20
7M	1:06:58	9:34	0.79 mi	7:18	9:17	-0:14
8M	1:16:14	9:32	1.00 mi	9:16	9:16	-0:01
9M	1:25:34	9:30	1.00 mi	9:20	9:20	+0:04
15K	1:28:28	9:29	0.32 mi	2:54	9:03	-0:17
10M	1:34:35	9:28	0.68 mi	6:07	9:00	-0:03
11M	1:43:50	9:26	1.00 mi	9:15	9:15	+0:15
12M	1:52:49	9:24	1.00 mi	8:59	8:59	-0:16
20K	1:56:45	9:24	0.43 mi	3:56	9:12	+0:13
13M	2:04:27	9:34	0.57 mi	7:42	13:28	+4:16
Half(13.11 mi)	2:05:56	9:36	0.11 mi	1:29	13:28	0:00
14M	2:13:44	9:33	0.89 mi	7:48	8:46	-4:42
15M	2:23:04	9:32	1.00 mi	9:20	9:20	+0:34
25K	2:28:12	9:32	0.53 mi	5:08	9:36	+0:16
16M	2:32:23	9:31	0.47 mi	4:11	8:59	-0:37
17M	2:41:37	9:30	1.00 mi	9:14	9:14	+0:15
18M	2:50:55	9:30	1.00 mi	9:18	9:18	+0:04
30K	2:57:05	9:30	0.64 mi	6:10	9:37	+0:19
19M	3:00:32	9:30	0.36 mi	3:27	9:36	-0:01
20M	3:10:22	9:31	1.00 mi	9:50	9:50	+0:14
21M	3:19:56	9:31	1.00 mi	9:34	9:34	-0:16
35K	3:27:15	9:32	0.75 mi	7:19	9:47	+0:13
22M	3:29:46	9:32	0.25 mi	2:31	9:59	+0:12
23M	3:39:34	9:33	1.00 mi	9:48	9:48	-0:11
24M	3:49:13	9:33	1.00 mi	9:39	9:39	-0:09
40K	3:57:23	9:33	0.85 mi	8:10	9:33	-0:06
25M	3:58:44	9:33	0.15 mi	1:21	9:17	-0:16
26M	4:08:03	9:32	1.00 mi	9:19	9:19	+0:02
Finish(26.22 mi)	4:09:55	9:32	0.22 mi	1:52	8:32	-0:47

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

8:32 /mi

Average Pace

9:32 /mi

Slowest Pace

13:28 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

10:35

4% of race

Time at Steady Pace

3:47:38

91% of race

Time at Slower Pace

11:42

5% of race

Average Pace: 9:32 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Females	W50-54	Seg. Overall	Seg. Females	Seg. W50-54
3M	3.00 mi	33697	12041	762	51683	22934	1531
5K	0.11 mi	33068+629	11744+297	738+24	18445	5292	344
4M	0.89 mi	33352-284	11872-128	745-7	34420	12398	773
5M	1.00 mi	32652+700	11489+383	714+31	30176	10252	638
6M	1.00 mi	31733+919	11036+453	680+34	27413	8957	540
10K	0.21 mi	31658+75	11008+28	678+2	30007	10146	619
7M	0.79 mi	31573+85	10943+65	667+11	30921	10518	647
8M	1.00 mi	30899+674	10587+356	639+28	26333	8337	498
9M	1.00 mi	30427+472	10351+236	627+12	26751	8498	519
15K	0.32 mi	30198+229	10247+104	621+6	24884	7804	491
10M	0.68 mi	29687+511	9988+259	606+15	23208	7122	430
11M	1.00 mi	29163+524	9735+253	587+19	24284	7532	449
12M	1.00 mi	28492+671	9407+328	569+18	20988	6119	383
20K	0.43 mi	28287+205	9308+99	560+9	23687	7371	443
13M	0.57 mi	29974-1687	10163-855	612-52	51683	22934	1531
Half(13.11 mi)	0.11 mi	30293-319	10335-172	622-10	51873	23036	1548
14M	0.89 mi	29394+899	9916+419	594+28	16950	4652	281
15M	1.00 mi	28508+886	9499+417	565+29	19034	5605	318
25K	0.53 mi	28082+426	9333+166	547+18	19697	5998	328
16M	0.47 mi	27849+233	9230+103	543+4	20905	6474	398
17M	1.00 mi	27337+512	9027+203	532+11	20971	6599	383
18M	1.00 mi	26789+548	8843+184	519+13	21237	6860	403
30K	0.64 mi	26432+357	8711+132	516+3	21974	7437	430
19M	0.36 mi	26293+139	8670+41	512+4	23700	8315	474
20M	1.00 mi	25669+624	8474+196	497+15	20560	7012	388
21M	1.00 mi	25008+661	8265+209	488+9	17666	5808	326
35K	0.75 mi	24662+346	8163+102	483+5	19850	6938	397
22M	0.25 mi	24568+94	8140+23	484-1	20600	7273	410
23M	1.00 mi	24149+419	8008+132	482+2	19379	6910	394
24M	1.00 mi	23517+632	7800+208	462+20	14889	4997	264
40K	0.85 mi	23192+325	7723+77	454+8	17301	6300	338
25M	0.15 mi	23133+59	7707+16	454	16609	5840	304
26M	1.00 mi	22752+381	7598+109	449+5	17224	6277	320
Finish(26.22 mi)	0.22 mi	22683+69	7578+20	445+4	15128	5258	225

Segment Performance Analysis

20K→13M

0.0 - 3.0 mi

Top 85%

118 ft79 ft

↑ 182ft↓ 221ft

194 ft

Overall

51683

Females

22934

No position changes recorded for this athlete.

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