Siu Cheong Lai

Bib: 9394•M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 25550

Top 48%

Gender (Male)

#0 / 14578

Masters (Masters Men)

#0 / 9729

Top 50%

Division (M45-49)

#0 / 2218

Race Day Weather

55°/45°F

scattered clouds

⏱️ Race Timeline

Start

0:00:00

Race begins

Start

0:00:00

Race begins

5K· 3.11 mi

24:30

Rank: #13758

Start → 5K

24:30 | 7:53/mi

5K· 3.11 mi

24:30

Rank: #13758

Start → 5K

24:30 | 7:53/mi

10K· 6.21 mi

49:18

Rank: #13923 (-165)

5K → 10K

24:48 | 7:59/mi

10K· 6.21 mi

49:18

Rank: #13923 (-165)

5K → 10K

24:48 | 7:59/mi

15K· 9.32 mi

1:14:08

Rank: #13722 (+201)

10K → 15K

24:50 | 8:00/mi

15K· 9.32 mi

1:14:08

Rank: #13722 (+201)

10K → 15K

24:50 | 8:00/mi

20K· 12.43 mi

1:39:17

Rank: #13347 (+375)

15K → 20K

25:09 | 8:06/mi

20K· 12.43 mi

1:39:17

Rank: #13347 (+375)

15K → 20K

25:09 | 8:06/mi

Half· 13.11 mi

1:44:42

Rank: #13263 (+84)

20K → Half

5:25 | 7:56/mi

Half· 13.11 mi

1:44:42

Rank: #13263 (+84)

20K → Half

5:25 | 7:56/mi

25K· 15.53 mi

2:04:22

Rank: #12761 (+502)

Half → 25K

19:40 | 8:07/mi

25K· 15.53 mi

2:04:22

Rank: #12761 (+502)

Half → 25K

19:40 | 8:07/mi

30K· 18.64 mi

2:30:58

Rank: #12342 (+419)

25K → 30K

26:36 | 8:34/mi

30K· 18.64 mi

2:30:58

Rank: #12342 (+419)

25K → 30K

26:36 | 8:34/mi

20M

2:43:09

Rank: #12258 (+84)

30K → 20M

12:11 | 8:58/mi

20M

2:43:09

Rank: #12258 (+84)

30K → 20M

12:11 | 8:58/mi

21M

2:52:43

Rank: #12144 (+114)

20M → 21M

9:34 | 9:34/mi

21M

2:52:43

Rank: #12144 (+114)

20M → 21M

9:34 | 9:34/mi

35K· 21.75 mi

2:59:10

Rank: #12081 (+63)

21M → 35K

6:27 | 8:37/mi

35K· 21.75 mi

2:59:10

Rank: #12081 (+63)

21M → 35K

6:27 | 8:37/mi

23M

3:10:15

Rank: #11937 (+144)

35K → 23M

11:05 | 8:51/mi

23M

3:10:15

Rank: #11937 (+144)

35K → 23M

11:05 | 8:51/mi

24M

3:19:15

Rank: #11925 (+12)

23M → 24M

9:00 | 9:00/mi

24M

3:19:15

Rank: #11925 (+12)

23M → 24M

9:00 | 9:00/mi

40K· 24.85 mi

3:27:21

Rank: #11942 (-17)

24M → 40K

8:06 | 9:28/mi

40K· 24.85 mi

3:27:21

Rank: #11942 (-17)

24M → 40K

8:06 | 9:28/mi

25.2M

3:31:37

Rank: #12095 (-153)

40K → 25.2M

4:16 | 12:22/mi

25.2M

3:31:37

Rank: #12095 (-153)

40K → 25.2M

4:16 | 12:22/mi

Finish· 26.22 mi

3:40:47

Rank: #12154 (-59)

25.2M → Finish

9:10 | 9:00/mi

Finish· 26.22 mi

3:40:47

Rank: #12154 (-59)

25.2M → Finish

9:10 | 9:00/mi

The Course

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time1:44:42

Pace7:59 /mi

2nd Half

Distance13.11 mi

Time1:56:05

Pace8:51 /mi

📊Positive Split: 10.9% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	10:50:41	24:30	7:53	24:30	7:53	-
10K	6.21 mi	11:15:29	49:18	7:56	24:48	7:59	+0:06
15K	9.32 mi	11:40:19	1:14:08	7:57	24:50	8:00	+0:01
20K	12.43 mi	12:05:28	1:39:17	7:59	25:09	8:06	+0:06
Half	13.11 mi	12:10:53	1:44:42	7:59	5:25	7:56	-0:10
25K	15.53 mi	12:30:33	2:04:22	8:00	19:40	8:07	+0:11
30K	18.64 mi	12:57:09	2:30:58	8:06	26:36	8:34	+0:27
20M	20.00 mi	13:09:20	2:43:09	8:09	12:11	8:58	+0:24
21M	21.00 mi	13:18:54	2:52:43	8:13	9:34	9:34	+0:36
35K	21.75 mi	13:25:21	2:59:10	8:14	6:27	8:37	-0:57
23M	23.00 mi	13:36:26	3:10:15	8:16	11:05	8:51	+0:14
24M	24.00 mi	13:45:26	3:19:15	8:18	9:00	9:00	+0:09
40K	24.85 mi	13:53:32	3:27:21	8:21	8:06	9:28	+0:28
25.2M	25.20 mi	13:57:48	3:31:37	8:24	4:16	12:22	+2:54
Finish	26.22 mi	14:06:58	3:40:47	8:26	9:10	9:00	-3:22

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

7:53 /mi

Average Pace

8:26 /mi

Slowest Pace

12:22 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:33

36% of race

Time at Steady Pace

1:59:18

54% of race

Time at Slower Pace

21:56

10% of race

Average Pace: 8:25 /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	10:50:41	24:30	7:53	24:30	7:53	#13758
10K	6.21 mi	11:15:29	49:18	7:56	24:48	7:59	#13923
15K	9.32 mi	11:40:19	1:14:08	7:57	24:50	8:00	#13722
20K	12.43 mi	12:05:28	1:39:17	7:59	25:09	8:06	#13347
Half	13.11 mi	12:10:53	1:44:42	7:59	5:25	7:56	#13263
25K	15.53 mi	12:30:33	2:04:22	8:00	19:40	8:07	#12761
30K	18.64 mi	12:57:09	2:30:58	8:06	26:36	8:34	#12342
20M	20.00 mi	13:09:20	2:43:09	8:09	12:11	8:58	#12258
21M	21.00 mi	13:18:54	2:52:43	8:13	9:34	9:34	#12144
35K	21.75 mi	13:25:21	2:59:10	8:14	6:27	8:37	#12081
23M	23.00 mi	13:36:26	3:10:15	8:16	11:05	8:51	#11937
24M	24.00 mi	13:45:26	3:19:15	8:18	9:00	9:00	#11925
40K	24.85 mi	13:53:32	3:27:21	8:21	8:06	9:28	#11942
25.2M	25.20 mi	13:57:48	3:31:37	8:24	4:16	12:22	#12095
Finish	26.22 mi	14:06:58	3:40:47	8:26	9:10	9:00	#12154

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	3.11 mi	13758	9569	9569	13409(Top 52%)	9344(Top 64%)	9344(Top 421%)
10K	6.21 mi	3.10 mi	13923-165	9597-28	9597-28	14048(Top 55%)	9637(Top 66%)	9637(Top 434%)
15K	9.32 mi	3.11 mi	13722+201	9498+99	9498+99	13409(Top 52%)	9344(Top 64%)	9344(Top 421%)
20K	12.43 mi	3.11 mi	13347+375	9332+166	9332+166	12480(Top 49%)	8881(Top 61%)	8881(Top 400%)
Half	13.11 mi	0.68 mi	13263+84	9288+44	9288+44	12263(Top 48%)	8764(Top 60%)	8764(Top 395%)
25K	15.53 mi	2.42 mi	12761+502	9047+241	9047+241	10858(Top 42%)	7941(Top 54%)	7941(Top 358%)
30K	18.64 mi	3.11 mi	12342+419	8771+276	8771+276	10958(Top 43%)	7771(Top 53%)	7771(Top 350%)
20M	20.00 mi	1.36 mi	12258+84	8691+80	8691+80	11928(Top 47%)	7918(Top 54%)	7918(Top 357%)
21M	21.00 mi	1.00 mi	12144+114	8568+123	8568+123	11142(Top 44%)	7300(Top 50%)	7300(Top 329%)
35K	21.75 mi	0.75 mi	12081+63	8505+63	8505+63	11393(Top 45%)	7400(Top 51%)	7400(Top 334%)
23M	23.00 mi	1.25 mi	11937+144	8373+132	8373+132	10372(Top 41%)	6763(Top 46%)	6763(Top 305%)
24M	24.00 mi	1.00 mi	11925+12	8324+49	8324+49	12143(Top 48%)	7630(Top 52%)	7630(Top 344%)
40K	24.85 mi	0.85 mi	11942-17	8278+46	8278+46	12989(Top 51%)	7923(Top 54%)	7923(Top 357%)
25.2M	25.20 mi	0.35 mi	12095-153	8327-49	8327-49	18190(Top 71%)	10526(Top 72%)	10526(Top 475%)
Finish	26.22 mi	1.02 mi	12154-59	8329-2	8329-2	14160(Top 55%)	8565(Top 59%)	8565(Top 386%)

8565

Passing Analysis

Category:

Athletes Passed

3076

Passed By

1472

Net Change

+1604

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#13758
5K → 10K	239	404	-165	#13758	#13923
10K → 15K	323	122	+201	#13923	#13722
15K → 20K	450	75	+375	#13722	#13347
20K → Half	98	14	+84	#13347	#13263
Half → 25K	533	31	+502	#13263	#12761
25K → 30K	512	93	+419	#12761	#12342
30K → 20M	179	95	+84	#12342	#12258
20M → 21M	184	70	+114	#12258	#12144
21M → 35K	102	39	+63	#12144	#12081
35K → 23M	205	61	+144	#12081	#11937
23M → 24M	95	83	+12	#11937	#11925
24M → 40K	90	107	-17	#11925	#11942
40K → 25.2M	14	167	-153	#11942	#12095
25.2M → Finish	52	111	-59	#12095	#12154
TOTALS	3076	1472	+1604