Siu Hong Chun

N.T

Bib: 18579 M 47

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 61036

Top 49%

Gender (Male)

#0 / 31978

Masters (Masters Men)

#0 / 14572

Division (M45-49)

#0 / 3266

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

8:35/mi

25:44

↑ 182 ft↓ 221 ft0.2% grade

79 ft elev

5K· 3.11 mi

8:25/mi

26:38

→ flat

76 ft elev

8:27/mi

34:11

↑ 23 ft↓ 16 ft0.1% grade

84 ft elev

8:34/mi

42:45

↑ 13 ft↓ 30 ft0.3% grade

70 ft elev

8:45/mi

51:30

↑ 16 ft↓ 36 ft0.4% grade

47 ft elev

10K· 6.21 mi

8:39/mi

53:21

→ flat0.6% grade

58 ft elev

8:24/mi

59:57

↓ 30 ft0.6% grade

33 ft elev

9:05/mi

1:09:02

↑ 30 ft0.4% grade

54 ft elev

9:13/mi

1:18:15

↑ 61 ft↓ 33 ft0.5% grade

81 ft elev

15K· 9.32 mi

8:50/mi

1:21:05

↓ 13 ft0.8% grade

66 ft elev

10M

9:12/mi

1:27:20

↓ 36 ft0.9% grade

33 ft elev

11M

9:20/mi

1:36:40

↑ 43 ft0.7% grade

72 ft elev

12M

9:20/mi

1:46:00

↓ 46 ft0.8% grade

33 ft elev

20K· 12.43 mi

9:17/mi

1:49:58

↑ 16 ft0.7% grade

54 ft elev

13M

9:36/mi

1:55:28

↓ 26 ft0.8% grade

36 ft elev

Half· 13.11 mi

9:36/mi

1:56:31

→ flat0.5% grade

49 ft elev

14M

9:20/mi

2:04:50

↑ 23 ft↓ 39 ft0.3% grade

36 ft elev

15M

9:59/mi

2:14:49

↑ 62 ft1.1% grade

93 ft elev

25K· 15.53 mi

11:27/mi

2:20:56

↑ 68 ft2.4% grade

169 ft elev

16M

9:31/mi

2:25:22

↓ 45 ft1.7% grade

125 ft elev

17M

9:39/mi

2:35:01

↑ 10 ft↓ 59 ft0.9% grade

59 ft elev

18M

10:06/mi

2:45:07

↑ 30 ft↓ 49 ft0.4% grade

39 ft elev

30K· 18.64 mi

13:06/mi

2:53:31

→ flat

41 ft elev

19M

11:28/mi

2:57:38

→ flat0.2% grade

39 ft elev

20M

12:02/mi

3:09:40

↑ 43 ft0.7% grade

72 ft elev

21M

12:51/mi

3:22:31

↑ 20 ft↓ 39 ft0.4% grade

53 ft elev

35K· 21.75 mi

13:10/mi

3:32:22

↑ 20 ft↓ 23 ft

52 ft elev

22M

13:44/mi

3:35:50

→ flat0.2% grade

51 ft elev

23M

13:08/mi

3:48:58

↓ 10 ft0.1% grade

46 ft elev

24M

13:42/mi

4:02:40

↑ 92 ft1.7% grade

138 ft elev

40K· 24.85 mi

11:21/mi

4:12:22

↑ 13 ft↓ 62 ft1.1% grade

93 ft elev

25M

10:33/mi

4:13:54

↑ 10 ft1.3% grade

111 ft elev

26M

11:25/mi

4:25:19

↑ 39 ft↓ 39 ft

112 ft elev

Finish· 26.22 mi

12:07/mi

4:27:58

↓ 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

1:56:318:53 /mi⚡ faster

2nd Half

2:31:2711:33 /mi+30.0%

Positive split — 30.0% slower in the second half

AI Race Performance Report

Siu'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	25:44	8:35	3.00 mi	25:44	8:35	-
5K	26:38	8:34	0.11 mi	0:54	8:25	-0:10
4M	34:11	8:33	0.89 mi	7:33	8:27	+0:02
5M	42:45	8:33	1.00 mi	8:34	8:34	+0:07
6M	51:30	8:35	1.00 mi	8:45	8:45	+0:11
10K	53:21	8:35	0.21 mi	1:51	8:39	-0:06
7M	59:57	8:34	0.79 mi	6:36	8:24	-0:15
8M	1:09:02	8:38	1.00 mi	9:05	9:05	+0:41
9M	1:18:15	8:42	1.00 mi	9:13	9:13	+0:08
15K	1:21:05	8:42	0.32 mi	2:50	8:50	-0:23
10M	1:27:20	8:44	0.68 mi	6:15	9:12	+0:22
11M	1:36:40	8:47	1.00 mi	9:20	9:20	+0:08
12M	1:46:00	8:50	1.00 mi	9:20	9:20	0:00
20K	1:49:58	8:51	0.43 mi	3:58	9:17	-0:03
13M	1:55:28	8:53	0.57 mi	5:30	9:36	+0:19
Half(13.11 mi)	1:56:31	8:53	0.11 mi	1:03	9:36	0:00
14M	2:04:50	8:55	0.89 mi	8:19	9:20	-0:16
15M	2:14:49	8:59	1.00 mi	9:59	9:59	+0:39
25K	2:20:56	9:04	0.53 mi	6:07	11:27	+1:28
16M	2:25:22	9:05	0.47 mi	4:26	9:31	-1:56
17M	2:35:01	9:07	1.00 mi	9:39	9:39	+0:08
18M	2:45:07	9:10	1.00 mi	10:06	10:06	+0:27
30K	2:53:31	9:18	0.64 mi	8:24	13:06	+3:00
19M	2:57:38	9:21	0.36 mi	4:07	11:28	-1:38
20M	3:09:40	9:29	1.00 mi	12:02	12:02	+0:34
21M	3:22:31	9:39	1.00 mi	12:51	12:51	+0:49
35K	3:32:22	9:46	0.75 mi	9:51	13:10	+0:19
22M	3:35:50	9:49	0.25 mi	3:28	13:44	+0:34
23M	3:48:58	9:57	1.00 mi	13:08	13:08	-0:36
24M	4:02:40	10:07	1.00 mi	13:42	13:42	+0:34
40K	4:12:22	10:09	0.85 mi	9:42	11:21	-2:21
25M	4:13:54	10:09	0.15 mi	1:32	10:33	-0:48
26M	4:25:19	10:12	1.00 mi	11:25	11:25	+0:52
Finish(26.22 mi)	4:27:58	10:14	0.22 mi	2:39	12:07	+0:42

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

8:24 /mi

Average Pace

10:14 /mi

Slowest Pace

13:44 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

51:12

19% of race

Time at Steady Pace

1:47:48

40% of race

Time at Slower Pace

1:48:58

41% of race

Average Pace: 10:13 /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	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
3M	3.00 mi	16412	12047	1247	24471	16556	1654
5K	0.11 mi	16310+102	11982+65	1238+9	16860	12158	1243
4M	0.89 mi	16239+71	11949+33	1227+11	16396	12073	1230
5M	1.00 mi	16695-456	12233-284	1252-25	19170	13786	1384
6M	1.00 mi	17262-567	12614-381	1291-39	20744	14684	1479
10K	0.21 mi	17253+9	12606+8	1290+1	18303	13282	1330
7M	0.79 mi	17241+12	12611-5	1281+9	17578	12923	1303
8M	1.00 mi	17912-671	13028-417	1325-44	23592	16399	1641
9M	1.00 mi	18556-644	13435-407	1361-36	25165	17293	1736
15K	0.32 mi	18640-84	13478-43	1365-4	22096	15455	1559
10M	0.68 mi	19095-455	13751-273	1395-30	25990	17563	1753
11M	1.00 mi	19546-451	14010-259	1409-14	25497	17344	1737
12M	1.00 mi	19975-429	14265-255	1436-27	25901	17560	1763
20K	0.43 mi	20104-129	14337-72	1435+1	24865	16962	1693
13M	0.57 mi	20261-157	14426-89	1443-8	24471	16556	1654
Half(13.11 mi)	0.11 mi	20321-60	14457-31	1445-2	25923	17299	1719
14M	0.89 mi	20527-206	14553-96	1464-19	24473	16531	1678
15M	1.00 mi	20960-433	14764-211	1490-26	26027	17216	1719
25K	0.53 mi	21736-776	15207-443	1528-38	36424	21822	2211
16M	0.47 mi	21966-230	15329-122	1542-14	26945	17641	1797
17M	1.00 mi	22296-330	15485-156	1558-16	25211	16621	1675
18M	1.00 mi	22873-577	15767-282	1586-28	28497	18050	1833
30K	0.64 mi	24255-1382	16498-731	1663-77	46014	25414	2607
19M	0.36 mi	24597-342	16644-146	1678-15	39822	22600	2303
20M	1.00 mi	25310-713	16933-289	1716-38	36994	21144	2144
21M	1.00 mi	26331-1021	17387-454	1759-43	42729	23685	2405
35K	0.75 mi	27219-888	17768-381	1804-45	46048	25108	2576
22M	0.25 mi	27525-306	17914-146	1816-12	48512	26164	2641
23M	1.00 mi	28497-972	18352-438	1856-40	45758	24945	2526
24M	1.00 mi	29507-1010	18771-419	1891-35	46701	25342	2560
40K	0.85 mi	29635-128	18769+2	1889+2	34023	19080	1927
25M	0.15 mi	29609+26	18748+21	1883+6	29602	17384	1735
26M	1.00 mi	29962-353	18838-90	1887-4	38401	21184	2109
Finish(26.22 mi)	0.22 mi	30153-191	18921-83	1895-8	50302	26972	2685

Segment Performance Analysis

20K→13M

0.0 - 3.0 mi

Top 40%

118 ft79 ft

↑ 182ft↓ 221ft

194 ft

Overall

24471

Males

16556

No position changes recorded for this athlete.

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Race managed by

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