Jiahua Zhu

Bib: 11675•M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 28404

Top 33%

Gender (Male)

#0 / 16105

Top 46%

Masters (Masters Men)

#0 / 10463

Top 35%

Age Group (M55-59)

#0 / 1648

Top 16%

Race Day Weather

50°/40°F

broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start

0:00:00

Race begins

Start

0:00:00

Race begins

5K· 3.11 mi

21:51

Rank: #8076

Start → 5K

21:51 | 7:02/mi

5K· 3.11 mi

21:51

Rank: #8076

Start → 5K

21:51 | 7:02/mi

10K· 6.21 mi

43:50

Rank: #8296 (-220)

5K → 10K

21:59 | 7:05/mi

10K· 6.21 mi

43:50

Rank: #8296 (-220)

5K → 10K

21:59 | 7:05/mi

15K· 9.32 mi

1:06:13

Rank: #8512 (-216)

10K → 15K

22:23 | 7:12/mi

15K· 9.32 mi

1:06:13

Rank: #8512 (-216)

10K → 15K

22:23 | 7:12/mi

20K· 12.43 mi

1:29:05

Rank: #8710 (-198)

15K → 20K

22:52 | 7:22/mi

20K· 12.43 mi

1:29:05

Rank: #8710 (-198)

15K → 20K

22:52 | 7:22/mi

Half· 13.11 mi

1:34:08

Rank: #8799 (-89)

20K → Half

5:03 | 7:24/mi

Half· 13.11 mi

1:34:08

Rank: #8799 (-89)

20K → Half

5:03 | 7:24/mi

25K· 15.53 mi

1:52:06

Rank: #8820 (-21)

Half → 25K

17:58 | 7:25/mi

25K· 15.53 mi

1:52:06

Rank: #8820 (-21)

Half → 25K

17:58 | 7:25/mi

30K· 18.64 mi

2:16:21

Rank: #8965 (-145)

25K → 30K

24:15 | 7:48/mi

30K· 18.64 mi

2:16:21

Rank: #8965 (-145)

25K → 30K

24:15 | 7:48/mi

20M

2:27:01

Rank: #8959 (+6)

30K → 20M

10:40 | 7:51/mi

20M

2:27:01

Rank: #8959 (+6)

30K → 20M

10:40 | 7:51/mi

21M

2:35:41

Rank: #9105 (-146)

20M → 21M

8:40 | 8:40/mi

21M

2:35:41

Rank: #9105 (-146)

20M → 21M

8:40 | 8:40/mi

35K· 21.75 mi

2:42:05

Rank: #9360 (-255)

21M → 35K

6:24 | 8:33/mi

35K· 21.75 mi

2:42:05

Rank: #9360 (-255)

21M → 35K

6:24 | 8:33/mi

23M

2:52:21

Rank: #9442 (-82)

35K → 23M

10:16 | 8:12/mi

23M

2:52:21

Rank: #9442 (-82)

35K → 23M

10:16 | 8:12/mi

24M

3:00:00

Rank: #9371 (+71)

23M → 24M

7:39 | 7:39/mi

24M

3:00:00

Rank: #9371 (+71)

23M → 24M

7:39 | 7:39/mi

40K· 24.85 mi

3:06:50

Rank: #9388 (-17)

24M → 40K

6:50 | 8:00/mi

40K· 24.85 mi

3:06:50

Rank: #9388 (-17)

24M → 40K

6:50 | 8:00/mi

25.2M

3:09:55

Rank: #9402 (-14)

40K → 25.2M

3:05 | 8:56/mi

25.2M

3:09:55

Rank: #9402 (-14)

40K → 25.2M

3:05 | 8:56/mi

Finish· 26.22 mi

3:17:44

Rank: #9432 (-30)

25.2M → Finish

7:49 | 7:40/mi

Finish· 26.22 mi

3:17:44

Rank: #9432 (-30)

25.2M → Finish

7:49 | 7:40/mi

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time1:34:08

Pace7:11 /mi

2nd Half

Distance13.11 mi

Time1:43:36

Pace7:54 /mi

📊Positive Split: 10.1% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	10:48:42	21:51	7:02	21:51	7:02	-
10K	6.21 mi	11:10:41	43:50	7:03	21:59	7:05	+0:03
15K	9.32 mi	11:33:04	1:06:13	7:06	22:23	7:12	+0:07
20K	12.43 mi	11:55:56	1:29:05	7:10	22:52	7:22	+0:10
Half	13.11 mi	12:00:59	1:34:08	7:11	5:03	7:24	+0:02
25K	15.53 mi	12:18:57	1:52:06	7:13	17:58	7:25	+0:01
30K	18.64 mi	12:43:12	2:16:21	7:19	24:15	7:48	+0:23
20M	20.00 mi	12:53:52	2:27:01	7:21	10:40	7:51	+0:03
21M	21.00 mi	13:02:32	2:35:41	7:25	8:40	8:40	+0:49
35K	21.75 mi	13:08:56	2:42:05	7:27	6:24	8:33	-0:07
23M	23.00 mi	13:19:12	2:52:21	7:30	10:16	8:12	-0:21
24M	24.00 mi	13:26:51	3:00:00	7:30	7:39	7:39	-0:33
40K	24.85 mi	13:33:41	3:06:50	7:31	6:50	8:00	+0:21
25.2M	25.20 mi	13:36:46	3:09:55	7:32	3:05	8:56	+0:56
Finish	26.22 mi	13:44:35	3:17:44	7:33	7:49	7:40	-1:16

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:02 /mi

Average Pace

7:33 /mi

Slowest Pace

8:56 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:29:05

45% of race

Time at Steady Pace

1:13:24

37% of race

Time at Slower Pace

35:15

18% of race

Average Pace: 7:32 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
5K	3.11 mi	10:48:42	21:51	7:02	21:51	7:02	#8076
10K	6.21 mi	11:10:41	43:50	7:03	21:59	7:05	#8296
15K	9.32 mi	11:33:04	1:06:13	7:06	22:23	7:12	#8512
20K	12.43 mi	11:55:56	1:29:05	7:10	22:52	7:22	#8710
Half	13.11 mi	12:00:59	1:34:08	7:11	5:03	7:24	#8799
25K	15.53 mi	12:18:57	1:52:06	7:13	17:58	7:25	#8820
30K	18.64 mi	12:43:12	2:16:21	7:19	24:15	7:48	#8965
20M	20.00 mi	12:53:52	2:27:01	7:21	10:40	7:51	#8959
21M	21.00 mi	13:02:32	2:35:41	7:25	8:40	8:40	#9105
35K	21.75 mi	13:08:56	2:42:05	7:27	6:24	8:33	#9360
23M	23.00 mi	13:19:12	2:52:21	7:30	10:16	8:12	#9442
24M	24.00 mi	13:26:51	3:00:00	7:30	7:39	7:39	#9371
40K	24.85 mi	13:33:41	3:06:50	7:31	6:50	8:00	#9388
25.2M	25.20 mi	13:36:46	3:09:55	7:32	3:05	8:56	#9402
Finish	26.22 mi	13:44:35	3:17:44	7:33	7:49	7:40	#9432

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M55-59	Seg. Overall	Seg. Males	Seg. M55-59
5K	3.11 mi	3.11 mi	8076	7052	7052	9159(Top 32%)	7639(Top 47%)	7639(Top 464%)
10K	6.21 mi	3.10 mi	8296-220	7174-122	7174-122	8466(Top 30%)	7275(Top 45%)	7275(Top 441%)
15K	9.32 mi	3.11 mi	8512-216	7296-122	7296-122	9159(Top 32%)	7639(Top 47%)	7639(Top 464%)
20K	12.43 mi	3.11 mi	8710-198	7388-92	7388-92	9539(Top 34%)	7757(Top 48%)	7757(Top 471%)
Half	13.11 mi	0.68 mi	8799-89	7436-48	7436-48	10800(Top 38%)	8425(Top 52%)	8425(Top 511%)
25K	15.53 mi	2.42 mi	8820-21	7429+7	7429+7	9235(Top 33%)	7468(Top 46%)	7468(Top 453%)
30K	18.64 mi	3.11 mi	8965-145	7442-13	7442-13	9970(Top 35%)	7671(Top 48%)	7671(Top 465%)
20M	20.00 mi	1.36 mi	8959+6	7413+29	7413+29	9351(Top 33%)	7178(Top 45%)	7178(Top 436%)
21M	21.00 mi	1.00 mi	9105-146	7462-49	7462-49	11447(Top 40%)	8091(Top 50%)	8091(Top 491%)
35K	21.75 mi	0.75 mi	9360-255	7574-112	7574-112	15746(Top 55%)	10048(Top 62%)	10048(Top 610%)
23M	23.00 mi	1.25 mi	9442-82	7590-16	7590-16	11336(Top 40%)	7903(Top 49%)	7903(Top 480%)
24M	24.00 mi	1.00 mi	9371+71	7512+78	7512+78	8754(Top 31%)	6521(Top 40%)	6521(Top 396%)
40K	24.85 mi	0.85 mi	9388-17	7482+30	7482+30	10105(Top 36%)	7096(Top 44%)	7096(Top 431%)
25.2M	25.20 mi	0.35 mi	9402-14	7471+11	7471+11	11389(Top 40%)	7649(Top 47%)	7649(Top 464%)
Finish	26.22 mi	1.02 mi	9432-30	7453+18	7453+18	10459(Top 37%)	7229(Top 45%)	7229(Top 439%)

7229

Passing Analysis

Category:

Athletes Passed

1219

Passed By

2575

Net Change

-1356

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#8076
5K → 10K	128	348	-220	#8076	#8296
10K → 15K	95	311	-216	#8296	#8512
15K → 20K	111	309	-198	#8512	#8710
20K → Half	9	98	-89	#8710	#8799
Half → 25K	150	171	-21	#8799	#8820
25K → 30K	170	315	-145	#8820	#8965
30K → 20M	106	100	+6	#8965	#8959
20M → 21M	60	206	-146	#8959	#9105
21M → 35K	17	272	-255	#9105	#9360
35K → 23M	89	171	-82	#9360	#9442
23M → 24M	116	45	+71	#9442	#9371
24M → 40K	69	86	-17	#9371	#9388
40K → 25.2M	37	51	-14	#9388	#9402
25.2M → Finish	62	92	-30	#9402	#9432
TOTALS	1219	2575	-1356

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:

Category:

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

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Results processed 3 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

Jiahua Zhu

⏱️ Race Timeline

Race Animation with Course Map

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Half Splits

Checkpoint Splits

Checkpoint Splits Visualizations

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Checkpoint and Segment Rankings

Segment Performance Analysis

10K→15K

5K→10K

10K→15K

15K→20K

20K→Half

Half→25K

25K→30K

30K→20M

20M→21M

21M→35K

35K→23M

23M→24M

24M→40K

40K→25.2M

25.2M→Finish

Passing Analysis

Passing Analysis Visualizations

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

Export Track Data

Questions or issues regarding timing data?

Quick Links

All Results

Race Analytics

Course Information

Contact Time Management

Public Race Data