Hyunog Byun

Bib: 19011 M KR

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 28404

Gender (Male)

#0 / 16105

Masters (Masters Men)

#0 / 10463

Division (M55-59)

#0 / 1648

Race Day Weather

50°/40°F

broken clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

469 ft elev

5K· 3.11 mi

8:37/mi

26:45

↑ 97 ft↓ 345 ft1.5% grade

220 ft elev

10K· 6.21 mi

8:42/mi

53:46

↑ 79 ft↓ 138 ft0.4% grade

157 ft elev

15K· 9.32 mi

9:05/mi

1:21:59

↑ 67 ft↓ 78 ft

146 ft elev

20K· 12.43 mi

9:18/mi

1:50:54

↑ 106 ft↓ 86 ft0.1% grade

165 ft elev

Half· 13.11 mi

8:56/mi

1:57:00

↑ 19 ft↓ 37 ft0.5% grade

148 ft elev

25K· 15.53 mi

9:43/mi

2:20:34

↑ 66 ft↓ 88 ft0.2% grade

127 ft elev

30K· 18.64 mi

9:58/mi

2:51:31

↑ 181 ft↓ 148 ft0.2% grade

138 ft elev

20M

9:32/mi

3:04:28

↑ 64 ft↓ 50 ft0.2% grade

148 ft elev

21M

10:27/mi

3:14:55

↑ 106 ft↓ 24 ft1.6% grade

227 ft elev

35K· 21.75 mi

11:39/mi

3:23:38

↑ 17 ft↓ 86 ft1.7% grade

156 ft elev

23M

10:00/mi

3:36:09

↑ 23 ft↓ 63 ft0.6% grade

116 ft elev

24M

10:12/mi

3:46:21

↓ 82 ft1.3% grade

34 ft elev

40K· 24.85 mi

11:32/mi

3:56:13

↓ 20 ft0.3% grade

20 ft elev

25.2M

20:27/mi

4:03:16

↑ 13 ft↓ 16 ft0.2% grade

18 ft elev

Finish· 26.22 mi

42:29/mi

4:46:34

↑ 22 ft↓ 21 ft

17 ft elev

Course Elevation

7–469 ft

≈

×2stacked redwood trees

•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half

1:57:008:55 /mi⚡ faster

2nd Half

2:49:3412:56 /mi+44.9%

Positive split — 44.9% slower in the second half

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See your splits, ranks & AI insights.

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	26:45	8:37	3.11 mi	26:45	8:37	-
10K	53:46	8:39	3.10 mi	27:01	8:42	+0:05
15K	1:21:59	8:48	3.11 mi	28:13	9:05	+0:23
20K	1:50:54	8:55	3.11 mi	28:55	9:18	+0:13
Half(13.11 mi)	1:57:00	8:55	0.68 mi	6:06	8:56	-0:22
25K	2:20:34	9:03	2.42 mi	23:34	9:43	+0:47
30K	2:51:31	9:12	3.11 mi	30:57	9:58	+0:15
20M	3:04:28	9:13	1.36 mi	12:57	9:32	-0:26
21M	3:14:55	9:17	1.00 mi	10:27	10:27	+0:55
35K	3:23:38	9:22	0.75 mi	8:43	11:39	+1:12
23M	3:36:09	9:24	1.25 mi	12:31	10:00	-1:39
24M	3:46:21	9:26	1.00 mi	10:12	10:12	+0:12
40K	3:56:13	9:30	0.85 mi	9:52	11:32	+1:20
25.2M	4:03:16	9:39	0.35 mi	7:03	20:27	+8:55
Finish(26.22 mi)	4:46:34	10:56	1.02 mi	43:18	42:29	+22:02

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:37 /mi

Average Pace

10:56 /mi

Slowest Pace

42:29 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:56:13

82% of race

Time at Slower Pace

50:21

18% of race

Average Pace: 10:56 /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	Males	M55-59	Seg. Overall	Seg. Males	Seg. M55-59
5K	3.11 mi	20511	12646	12646	22382	13555	13555
10K	3.10 mi	20669-158	12741-95	12741-95	20844	12851	12851
15K	3.11 mi	21242-573	13014-273	13014-273	22382	13555	13555
20K	3.11 mi	21568-326	13152-138	13152-138	22289	13486	13486
Half(13.11 mi)	0.68 mi	21581-13	13151+1	13151+1	21568	13172	13172
25K	2.42 mi	21773-192	13233-82	13233-82	22552	13537	13537
30K	3.11 mi	21765+8	13216+17	13216+17	21494	12941	12941
20M	1.36 mi	21561+204	13108+108	13108+108	19311	11838	11838
21M	1.00 mi	21451+110	13034+74	13034+74	19844	11977	11977
35K	0.75 mi	21693-242	13131-97	13131-97	25333	14511	14511
23M	1.25 mi	21620+73	13060+71	13060+71	20484	12151	12151
24M	1.00 mi	21629-9	13046+14	13046+14	21942	12788	12788
40K	0.85 mi	21759-130	13074-28	13074-28	24209	13880	13880
25.2M	0.35 mi	22169-410	13256-182	13256-182	28371	16078	16078
Finish(26.22 mi)	1.02 mi	25267-3098	14700-1444	14700-1444	28404	16105	16105

16105

Passing Analysis

Category:

Passed

1271

Passed By

6027

Net Change

-4756

Segment	Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#20511
5K → 10K	214	372	-158	#20511	#20669
10K → 15K	69	642	-573	#20669	#21242
15K → 20K	103	429	-326	#21242	#21568
20K → Half	27	40	-13	#21568	#21581
Half → 25K	97	289	-192	#21581	#21773
25K → 30K	206	198	+8	#21773	#21765
30K → 20M	219	15	+204	#21765	#21561
20M → 21M	139	29	+110	#21561	#21451
21M → 35K	10	252	-242	#21451	#21693
35K → 23M	122	49	+73	#21693	#21620
23M → 24M	46	55	-9	#21620	#21629
24M → 40K	19	149	-130	#21629	#21759
40K → 25.2M	0	410	-410	#21759	#22169
25.2M → Finish	0	3098	-3098	#22169	#25267
TOTALS	1271	6027	-4756

Passing Charts

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed about 1 month ago

Public Race Data

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Race managed by

Boston Athletic Association

Race timed by

Mika Timing