Huirong Zhang

Bib: 10789•M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 25550

Gender (Male)

#0 / 14578

Masters (Masters Men)

#0 / 9729

Division (M50-54)

#0 / 1935

Race Day Weather

55°/45°F

scattered clouds

⏱️ Race Timeline

Course Elevation

7–469 ft

≈

×2stacked redwood trees

•▲ 890 ft climb · ▼ 1342 ft descent

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

5K· 3.11 mi

9:21/mi

29:02

↑ 97 ft↓ 345 ft1.5% grade

10K· 6.21 mi

10:30/mi

1:01:38

↑ 79 ft↓ 138 ft0.4% grade

15K· 9.32 mi

10:56/mi

1:35:35

↑ 67 ft↓ 78 ft

20K· 12.43 mi

13:04/mi

2:16:10

↑ 106 ft↓ 86 ft0.1% grade

Half· 13.11 mi

13:38/mi

2:25:28

↑ 19 ft↓ 37 ft0.5% grade

25K· 15.53 mi

13:49/mi

2:58:57

↑ 66 ft↓ 88 ft0.2% grade

30K· 18.64 mi

14:57/mi

3:45:24

↑ 181 ft↓ 148 ft0.2% grade

20M

14:53/mi

4:05:37

↑ 64 ft↓ 50 ft0.2% grade

21M

14:33/mi

4:20:10

↑ 106 ft↓ 24 ft1.6% grade

35K· 21.75 mi

16:45/mi

4:32:42

↑ 17 ft↓ 86 ft1.7% grade

23M

14:35/mi

4:50:57

↑ 23 ft↓ 63 ft0.6% grade

24M

14:00/mi

5:04:57

↓ 82 ft1.3% grade

40K· 24.85 mi

17:01/mi

5:19:30

↓ 20 ft0.3% grade

25.2M

15:57/mi

5:25:00

↑ 13 ft↓ 16 ft0.2% grade

Finish· 26.22 mi

13:28/mi

5:38:43

↑ 22 ft↓ 21 ft

The Course

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time2:25:28

Pace11:06 /mi

2nd Half

Distance13.11 mi

Time3:13:15

Pace14:45 /mi

📊Positive Split: 32.8% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	10:55:39	29:02	9:21	29:02	9:21	-
10K	6.21 mi	11:28:15	1:01:38	9:55	32:36	10:30	+1:09
15K	9.32 mi	12:02:12	1:35:35	10:15	33:57	10:56	+0:26
20K	12.43 mi	12:42:47	2:16:10	10:57	40:35	13:04	+2:08
Half	13.11 mi	12:52:05	2:25:28	11:06	9:18	13:38	+0:34
25K	15.53 mi	13:25:34	2:58:57	11:31	33:29	13:49	+0:11
30K	18.64 mi	14:12:01	3:45:24	12:05	46:27	14:57	+1:08
20M	20.00 mi	14:32:14	4:05:37	12:17	20:13	14:53	-0:04
21M	21.00 mi	14:46:47	4:20:10	12:23	14:33	14:33	-0:20
35K	21.75 mi	14:59:19	4:32:42	12:32	12:32	16:45	+2:12
23M	23.00 mi	15:17:34	4:50:57	12:39	18:15	14:35	-2:10
24M	24.00 mi	15:31:34	5:04:57	12:42	14:00	14:00	-0:35
40K	24.85 mi	15:46:07	5:19:30	12:51	14:33	17:01	+3:01
25.2M	25.20 mi	15:51:37	5:25:00	12:54	5:30	15:57	-1:04
Finish	26.22 mi	16:05:20	5:38:43	12:56	13:43	13:28	-2:29

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

9:21 /mi

Average Pace

12:56 /mi

Slowest Pace

17:01 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:35

28% of race

Time at Steady Pace

3:30:33

62% of race

Time at Slower Pace

32:35

10% of race

Average Pace: 12:55 /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	10:55:39	29:02	9:21	29:02	9:21	#21265
10K	6.21 mi	11:28:15	1:01:38	9:55	32:36	10:30	#22602
15K	9.32 mi	12:02:12	1:35:35	10:15	33:57	10:56	#23033
20K	12.43 mi	12:42:47	2:16:10	10:57	40:35	13:04	#23871
Half	13.11 mi	12:52:05	2:25:28	11:06	9:18	13:38	#24017
25K	15.53 mi	13:25:34	2:58:57	11:31	33:29	13:49	#24210
30K	18.64 mi	14:12:01	3:45:24	12:05	46:27	14:57	#24395
20M	20.00 mi	14:32:14	4:05:37	12:17	20:13	14:53	#24436
21M	21.00 mi	14:46:47	4:20:10	12:23	14:33	14:33	#24381
35K	21.75 mi	14:59:19	4:32:42	12:32	12:32	16:45	#24493
23M	23.00 mi	15:17:34	4:50:57	12:39	18:15	14:35	#24512
24M	24.00 mi	15:31:34	5:04:57	12:42	14:00	14:00	#24533
40K	24.85 mi	15:46:07	5:19:30	12:51	14:33	17:01	#24640
25.2M	25.20 mi	15:51:37	5:25:00	12:54	5:30	15:57	#24649
Finish	26.22 mi	16:05:20	5:38:43	12:56	13:43	13:28	#24670

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	21265	12672	12672	23633(Top 92%)	13821(Top 95%)	13821(Top 714%)
10K	6.21 mi	3.10 mi	22602-1337	13342-670	13342-670	23516(Top 92%)	13776(Top 94%)	13776(Top 712%)
15K	9.32 mi	3.11 mi	23033-431	13550-208	13550-208	23633(Top 92%)	13821(Top 95%)	13821(Top 714%)
20K	12.43 mi	3.11 mi	23871-838	13936-386	13936-386	24902(Top 97%)	14317(Top 98%)	14317(Top 740%)
Half	13.11 mi	0.68 mi	24017-146	13992-56	13992-56	25349(Top 99%)	14480(Top 99%)	14480(Top 748%)
25K	15.53 mi	2.42 mi	24210-193	14062-70	14062-70	24814(Top 97%)	14237(Top 98%)	14237(Top 736%)
30K	18.64 mi	3.11 mi	24395-185	14119-57	14119-57	24899(Top 97%)	14220(Top 98%)	14220(Top 735%)
20M	20.00 mi	1.36 mi	24436-41	14118+1	14118+1	24674(Top 97%)	14073(Top 97%)	14073(Top 727%)
21M	21.00 mi	1.00 mi	24381+55	14086+32	14086+32	23047(Top 90%)	13195(Top 91%)	13195(Top 682%)
35K	21.75 mi	0.75 mi	24493-112	14128-42	14128-42	25300(Top 99%)	14411(Top 99%)	14411(Top 745%)
23M	23.00 mi	1.25 mi	24512-19	14127+1	14127+1	24342(Top 95%)	13840(Top 95%)	13840(Top 715%)
24M	24.00 mi	1.00 mi	24533-21	14131-4	14131-4	24185(Top 95%)	13707(Top 94%)	13707(Top 708%)
40K	24.85 mi	0.85 mi	24640-107	14161-30	14161-30	25217(Top 99%)	14340(Top 98%)	14340(Top 741%)
25.2M	25.20 mi	0.35 mi	24649-9	14164-3	14164-3	24011(Top 94%)	13594(Top 93%)	13594(Top 703%)
Finish	26.22 mi	1.02 mi	24670-21	14167-3	14167-3	24676(Top 97%)	13972(Top 96%)	13972(Top 722%)

13972

Passing Analysis

Category:

Athletes Passed

328

Passed By

3733

Net Change

-3405

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#21265
5K → 10K	7	1344	-1337	#21265	#22602
10K → 15K	45	476	-431	#22602	#23033
15K → 20K	11	849	-838	#23033	#23871
20K → Half	5	151	-146	#23871	#24017
Half → 25K	38	231	-193	#24017	#24210
25K → 30K	44	229	-185	#24210	#24395
30K → 20M	31	72	-41	#24395	#24436
20M → 21M	72	17	+55	#24436	#24381
21M → 35K	4	116	-112	#24381	#24493
35K → 23M	29	48	-19	#24493	#24512
23M → 24M	15	36	-21	#24512	#24533
24M → 40K	3	110	-107	#24533	#24640
40K → 25.2M	7	16	-9	#24640	#24649
25.2M → Finish	17	38	-21	#24649	#24670
TOTALS	328	3733	-3405

📊

Passing Visuals

Category:

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

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Results processed 25 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing