Yiou Liu

Bib: 21189•F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 25550

Gender (Female)

#0 / 10924

Masters (Masters Women)

#0 / 6263

Age Group (F50-54)

#0 / 1187

Race Day Weather

55°/45°F

scattered 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

26:41

Rank: #18268

Start → 5K

26:41 | 8:35/mi

5K· 3.11 mi

26:41

Rank: #18268

Start → 5K

26:41 | 8:35/mi

10K· 6.21 mi

53:17

Rank: #17946 (+322)

5K → 10K

26:36 | 8:34/mi

10K· 6.21 mi

53:17

Rank: #17946 (+322)

5K → 10K

26:36 | 8:34/mi

15K· 9.32 mi

1:20:11

Rank: #17706 (+240)

10K → 15K

26:54 | 8:39/mi

15K· 9.32 mi

1:20:11

Rank: #17706 (+240)

10K → 15K

26:54 | 8:39/mi

20K· 12.43 mi

1:48:45

Rank: #17777 (-71)

15K → 20K

28:34 | 9:12/mi

20K· 12.43 mi

1:48:45

Rank: #17777 (-71)

15K → 20K

28:34 | 9:12/mi

Half· 13.11 mi

1:55:03

Rank: #17870 (-93)

20K → Half

6:18 | 9:14/mi

Half· 13.11 mi

1:55:03

Rank: #17870 (-93)

20K → Half

6:18 | 9:14/mi

25K· 15.53 mi

2:21:44

Rank: #18831 (-961)

Half → 25K

26:41 | 11:00/mi

25K· 15.53 mi

2:21:44

Rank: #18831 (-961)

Half → 25K

26:41 | 11:00/mi

30K· 18.64 mi

3:01:03

Rank: #19993 (-1162)

25K → 30K

39:19 | 12:39/mi

30K· 18.64 mi

3:01:03

Rank: #19993 (-1162)

25K → 30K

39:19 | 12:39/mi

20M

3:16:29

Rank: #19986 (+7)

30K → 20M

15:26 | 11:21/mi

20M

3:16:29

Rank: #19986 (+7)

30K → 20M

15:26 | 11:21/mi

21M

3:29:21

Rank: #20025 (-39)

20M → 21M

12:52 | 12:52/mi

21M

3:29:21

Rank: #20025 (-39)

20M → 21M

12:52 | 12:52/mi

35K· 21.75 mi

3:36:27

Rank: #19858 (+167)

21M → 35K

7:06 | 9:29/mi

35K· 21.75 mi

3:36:27

Rank: #19858 (+167)

21M → 35K

7:06 | 9:29/mi

23M

3:49:20

Rank: #19643 (+215)

35K → 23M

12:53 | 10:17/mi

23M

3:49:20

Rank: #19643 (+215)

35K → 23M

12:53 | 10:17/mi

24M

4:00:39

Rank: #19636 (+7)

23M → 24M

11:19 | 11:19/mi

24M

4:00:39

Rank: #19636 (+7)

23M → 24M

11:19 | 11:19/mi

40K· 24.85 mi

4:08:53

Rank: #19436 (+200)

24M → 40K

8:14 | 9:38/mi

40K· 24.85 mi

4:08:53

Rank: #19436 (+200)

24M → 40K

8:14 | 9:38/mi

25.2M

4:12:54

Rank: #19387 (+49)

40K → 25.2M

4:01 | 11:39/mi

25.2M

4:12:54

Rank: #19387 (+49)

40K → 25.2M

4:01 | 11:39/mi

Finish· 26.22 mi

4:21:43

Rank: #19164 (+223)

25.2M → Finish

8:49 | 8:39/mi

Finish· 26.22 mi

4:21:43

Rank: #19164 (+223)

25.2M → Finish

8:49 | 8:39/mi

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time1:55:03

Pace8:47 /mi

2nd Half

Distance13.11 mi

Time2:26:40

Pace11:11 /mi

📊Positive Split: 27.5% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:42:50	26:41	8:35	26:41	8:35	-
10K	6.21 mi	12:09:26	53:17	8:35	26:36	8:34	-0:01
15K	9.32 mi	12:36:20	1:20:11	8:36	26:54	8:39	+0:05
20K	12.43 mi	13:04:54	1:48:45	8:45	28:34	9:12	+0:33
Half	13.11 mi	13:11:12	1:55:03	8:47	6:18	9:14	+0:02
25K	15.53 mi	13:37:53	2:21:44	9:07	26:41	11:00	+1:46
30K	18.64 mi	14:17:12	3:01:03	9:43	39:19	12:39	+1:39
20M	20.00 mi	14:32:38	3:16:29	9:49	15:26	11:21	-1:18
21M	21.00 mi	14:45:30	3:29:21	9:58	12:52	12:52	+1:31
35K	21.75 mi	14:52:36	3:36:27	9:57	7:06	9:29	-3:23
23M	23.00 mi	15:05:29	3:49:20	9:58	12:53	10:17	+0:48
24M	24.00 mi	15:16:48	4:00:39	10:02	11:19	11:19	+1:02
40K	24.85 mi	15:25:02	4:08:53	10:01	8:14	9:38	-1:41
25.2M	25.20 mi	15:29:03	4:12:54	10:02	4:01	11:39	+2:01
Finish	26.22 mi	15:37:52	4:21:43	9:59	8:49	8:39	-3:00

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

8:34 /mi

Average Pace

9:59 /mi

Slowest Pace

12:52 /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

1:29:00

34% of race

Time at Steady Pace

1:03:05

24% of race

Time at Slower Pace

1:49:38

42% of race

Average Pace: 9:59 /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	11:42:50	26:41	8:35	26:41	8:35	#18268
10K	6.21 mi	12:09:26	53:17	8:35	26:36	8:34	#17946
15K	9.32 mi	12:36:20	1:20:11	8:36	26:54	8:39	#17706
20K	12.43 mi	13:04:54	1:48:45	8:45	28:34	9:12	#17777
Half	13.11 mi	13:11:12	1:55:03	8:47	6:18	9:14	#17870
25K	15.53 mi	13:37:53	2:21:44	9:07	26:41	11:00	#18831
30K	18.64 mi	14:17:12	3:01:03	9:43	39:19	12:39	#19993
20M	20.00 mi	14:32:38	3:16:29	9:49	15:26	11:21	#19986
21M	21.00 mi	14:45:30	3:29:21	9:58	12:52	12:52	#20025
35K	21.75 mi	14:52:36	3:36:27	9:57	7:06	9:29	#19858
23M	23.00 mi	15:05:29	3:49:20	9:58	12:53	10:17	#19643
24M	24.00 mi	15:16:48	4:00:39	10:02	11:19	11:19	#19636
40K	24.85 mi	15:25:02	4:08:53	10:01	8:14	9:38	#19436
25.2M	25.20 mi	15:29:03	4:12:54	10:02	4:01	11:39	#19387
Finish	26.22 mi	15:37:52	4:21:43	9:59	8:49	8:39	#19164

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Females	F50-54	Seg. Overall	Seg. Females	Seg. F50-54
5K	3.11 mi	3.11 mi	18268	6920	6920	17274(Top 68%)	6305(Top 58%)	6305(Top 531%)
10K	6.21 mi	3.10 mi	17946+322	6707+213	6707+213	17656(Top 69%)	6526(Top 60%)	6526(Top 550%)
15K	9.32 mi	3.11 mi	17706+240	6557+150	6557+150	17274(Top 68%)	6305(Top 58%)	6305(Top 531%)
20K	12.43 mi	3.11 mi	17777-71	6616-59	6616-59	18181(Top 71%)	6801(Top 62%)	6801(Top 573%)
Half	13.11 mi	0.68 mi	17870-93	6678-62	6678-62	19241(Top 75%)	7475(Top 68%)	7475(Top 630%)
25K	15.53 mi	2.42 mi	18831-961	7217-539	7217-539	21499(Top 84%)	8738(Top 80%)	8738(Top 736%)
30K	18.64 mi	3.11 mi	19993-1162	7894-677	7894-677	22856(Top 89%)	9577(Top 88%)	9577(Top 807%)
20M	20.00 mi	1.36 mi	19986+7	7913-19	7913-19	20095(Top 79%)	8274(Top 76%)	8274(Top 697%)
21M	21.00 mi	1.00 mi	20025-39	7955-42	7955-42	20504(Top 80%)	8580(Top 79%)	8580(Top 723%)
35K	21.75 mi	0.75 mi	19858+167	7894+61	7894+61	15490(Top 61%)	6099(Top 56%)	6099(Top 514%)
23M	23.00 mi	1.25 mi	19643+215	7811+83	7811+83	16415(Top 64%)	6610(Top 61%)	6610(Top 557%)
24M	24.00 mi	1.00 mi	19636+7	7823-12	7823-12	20025(Top 78%)	8451(Top 77%)	8451(Top 712%)
40K	24.85 mi	0.85 mi	19436+200	7730+93	7730+93	13661(Top 53%)	5374(Top 49%)	5374(Top 453%)
25.2M	25.20 mi	0.35 mi	19387+49	7712+18	7712+18	16496(Top 65%)	6794(Top 62%)	6794(Top 572%)
Finish	26.22 mi	1.02 mi	19164+223	7615+97	7615+97	12409(Top 49%)	4685(Top 43%)	4685(Top 395%)

4685

Passing Analysis

Category:

Athletes Passed

2204

Passed By

3100

Net Change

-896

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#18268
5K → 10K	447	125	+322	#18268	#17946
10K → 15K	347	107	+240	#17946	#17706
15K → 20K	241	312	-71	#17706	#17777
20K → Half	18	111	-93	#17777	#17870
Half → 25K	37	998	-961	#17870	#18831
25K → 30K	22	1184	-1162	#18831	#19993
30K → 20M	84	77	+7	#19993	#19986
20M → 21M	63	102	-39	#19986	#20025
21M → 35K	169	2	+167	#20025	#19858
35K → 23M	219	4	+215	#19858	#19643
23M → 24M	69	62	+7	#19643	#19636
24M → 40K	201	1	+200	#19636	#19436
40K → 25.2M	61	12	+49	#19436	#19387
25.2M → Finish	226	3	+223	#19387	#19164
TOTALS	2204	3100	-896

📊

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

Yiou Liu

⏱️ 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