Xu Liu

Bib: 3902•M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 28404

Top 38%

Gender (Male)

#0 / 16105

Masters (Masters Men)

#0 / 10463

Top 40%

Age Group (M40-44)

#0 / 2247

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

23:31

Rank: #12830

Start → 5K

23:31 | 7:34/mi

5K· 3.11 mi

23:31

Rank: #12830

Start → 5K

23:31 | 7:34/mi

10K· 6.21 mi

47:35

Rank: #13566 (-736)

5K → 10K

24:04 | 7:45/mi

10K· 6.21 mi

47:35

Rank: #13566 (-736)

5K → 10K

24:04 | 7:45/mi

15K· 9.32 mi

1:10:56

Rank: #12949 (+617)

10K → 15K

23:21 | 7:31/mi

15K· 9.32 mi

1:10:56

Rank: #12949 (+617)

10K → 15K

23:21 | 7:31/mi

20K· 12.43 mi

1:34:51

Rank: #12762 (+187)

15K → 20K

23:55 | 7:42/mi

20K· 12.43 mi

1:34:51

Rank: #12762 (+187)

15K → 20K

23:55 | 7:42/mi

Half· 13.11 mi

1:40:03

Rank: #12758 (+4)

20K → Half

5:12 | 7:37/mi

Half· 13.11 mi

1:40:03

Rank: #12758 (+4)

20K → Half

5:12 | 7:37/mi

25K· 15.53 mi

1:59:00

Rank: #12688 (+70)

Half → 25K

18:57 | 7:49/mi

25K· 15.53 mi

1:59:00

Rank: #12688 (+70)

Half → 25K

18:57 | 7:49/mi

30K· 18.64 mi

2:24:05

Rank: #12501 (+187)

25K → 30K

25:05 | 8:04/mi

30K· 18.64 mi

2:24:05

Rank: #12501 (+187)

25K → 30K

25:05 | 8:04/mi

20M

2:35:06

Rank: #12368 (+133)

30K → 20M

11:01 | 8:06/mi

20M

2:35:06

Rank: #12368 (+133)

30K → 20M

11:01 | 8:06/mi

21M

2:43:41

Rank: #12256 (+112)

20M → 21M

8:35 | 8:35/mi

21M

2:43:41

Rank: #12256 (+112)

20M → 21M

8:35 | 8:35/mi

35K· 21.75 mi

2:49:24

Rank: #12138 (+118)

21M → 35K

5:43 | 7:38/mi

35K· 21.75 mi

2:49:24

Rank: #12138 (+118)

21M → 35K

5:43 | 7:38/mi

23M

2:58:59

Rank: #11817 (+321)

35K → 23M

9:35 | 7:39/mi

23M

2:58:59

Rank: #11817 (+321)

35K → 23M

9:35 | 7:39/mi

24M

3:06:22

Rank: #11555 (+262)

23M → 24M

7:23 | 7:23/mi

24M

3:06:22

Rank: #11555 (+262)

23M → 24M

7:23 | 7:23/mi

40K· 24.85 mi

3:12:42

Rank: #11285 (+270)

24M → 40K

6:20 | 7:24/mi

40K· 24.85 mi

3:12:42

Rank: #11285 (+270)

24M → 40K

6:20 | 7:24/mi

25.2M

3:15:24

Rank: #11155 (+130)

40K → 25.2M

2:42 | 7:50/mi

25.2M

3:15:24

Rank: #11155 (+130)

40K → 25.2M

2:42 | 7:50/mi

Finish· 26.22 mi

3:22:17

Rank: #10821 (+334)

25.2M → Finish

6:53 | 6:45/mi

Finish· 26.22 mi

3:22:17

Rank: #10821 (+334)

25.2M → Finish

6:53 | 6:45/mi

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time1:40:03

Pace7:38 /mi

2nd Half

Distance13.11 mi

Time1:42:14

Pace7:48 /mi

📊Positive Split: 2.2% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	10:26:08	23:31	7:34	23:31	7:34	-
10K	6.21 mi	10:50:12	47:35	7:39	24:04	7:45	+0:11
15K	9.32 mi	11:13:33	1:10:56	7:37	23:21	7:31	-0:14
20K	12.43 mi	11:37:28	1:34:51	7:38	23:55	7:42	+0:11
Half	13.11 mi	11:42:40	1:40:03	7:38	5:12	7:37	-0:05
25K	15.53 mi	12:01:37	1:59:00	7:40	18:57	7:49	+0:12
30K	18.64 mi	12:26:42	2:24:05	7:44	25:05	8:04	+0:15
20M	20.00 mi	12:37:43	2:35:06	7:45	11:01	8:06	+0:02
21M	21.00 mi	12:46:18	2:43:41	7:48	8:35	8:35	+0:29
35K	21.75 mi	12:52:01	2:49:24	7:47	5:43	7:38	-0:57
23M	23.00 mi	13:01:36	2:58:59	7:47	9:35	7:39	+0:01
24M	24.00 mi	13:08:59	3:06:22	7:46	7:23	7:23	-0:16
40K	24.85 mi	13:15:19	3:12:42	7:45	6:20	7:24	+0:01
25.2M	25.20 mi	13:18:01	3:15:24	7:45	2:42	7:50	+0:26
Finish	26.22 mi	13:24:54	3:22:17	7:43	6:53	6:45	-1:05

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

6:45 /mi

Average Pace

7:43 /mi

Slowest Pace

8:35 /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

20:36

10% of race

Time at Steady Pace

2:17:00

68% of race

Time at Slower Pace

44:41

22% of race

Average Pace: 7:43 /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	10:26:08	23:31	7:34	23:31	7:34	#12830
10K	6.21 mi	10:50:12	47:35	7:39	24:04	7:45	#13566
15K	9.32 mi	11:13:33	1:10:56	7:37	23:21	7:31	#12949
20K	12.43 mi	11:37:28	1:34:51	7:38	23:55	7:42	#12762
Half	13.11 mi	11:42:40	1:40:03	7:38	5:12	7:37	#12758
25K	15.53 mi	12:01:37	1:59:00	7:40	18:57	7:49	#12688
30K	18.64 mi	12:26:42	2:24:05	7:44	25:05	8:04	#12501
20M	20.00 mi	12:37:43	2:35:06	7:45	11:01	8:06	#12368
21M	21.00 mi	12:46:18	2:43:41	7:48	8:35	8:35	#12256
35K	21.75 mi	12:52:01	2:49:24	7:47	5:43	7:38	#12138
23M	23.00 mi	13:01:36	2:58:59	7:47	9:35	7:39	#11817
24M	24.00 mi	13:08:59	3:06:22	7:46	7:23	7:23	#11555
40K	24.85 mi	13:15:19	3:12:42	7:45	6:20	7:24	#11285
25.2M	25.20 mi	13:18:01	3:15:24	7:45	2:42	7:50	#11155
Finish	26.22 mi	13:24:54	3:22:17	7:43	6:53	6:45	#10821

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
5K	3.11 mi	3.11 mi	12830	9566	9566	11883(Top 42%)	9009(Top 56%)	9009(Top 401%)
10K	6.21 mi	3.10 mi	13566-736	9838-272	9838-272	14280(Top 50%)	10114(Top 63%)	10114(Top 450%)
15K	9.32 mi	3.11 mi	12949+617	9554+284	9554+284	11883(Top 42%)	9009(Top 56%)	9009(Top 401%)
20K	12.43 mi	3.11 mi	12762+187	9415+139	9415+139	12373(Top 44%)	9128(Top 57%)	9128(Top 406%)
Half	13.11 mi	0.68 mi	12758+4	9410+5	9410+5	12666(Top 45%)	9289(Top 58%)	9289(Top 413%)
25K	15.53 mi	2.42 mi	12688+70	9355+55	9355+55	12466(Top 44%)	9055(Top 56%)	9055(Top 403%)
30K	18.64 mi	3.11 mi	12501+187	9199+156	9199+156	11896(Top 42%)	8619(Top 54%)	8619(Top 384%)
20M	20.00 mi	1.36 mi	12368+133	9104+95	9104+95	11133(Top 39%)	8095(Top 50%)	8095(Top 360%)
21M	21.00 mi	1.00 mi	12256+112	9016+88	9016+88	10966(Top 39%)	7853(Top 49%)	7853(Top 349%)
35K	21.75 mi	0.75 mi	12138+118	8933+83	8933+83	9621(Top 34%)	7175(Top 45%)	7175(Top 319%)
23M	23.00 mi	1.25 mi	11817+321	8751+182	8751+182	7613(Top 27%)	5943(Top 37%)	5943(Top 264%)
24M	24.00 mi	1.00 mi	11555+262	8580+171	8580+171	6955(Top 24%)	5508(Top 34%)	5508(Top 245%)
40K	24.85 mi	0.85 mi	11285+270	8416+164	8416+164	6261(Top 22%)	5021(Top 31%)	5021(Top 223%)
25.2M	25.20 mi	0.35 mi	11155+130	8333+83	8333+83	5064(Top 18%)	4181(Top 26%)	4181(Top 186%)
Finish	26.22 mi	1.02 mi	10821+334	8152+181	8152+181	4252(Top 15%)	3629(Top 23%)	3629(Top 162%)

3629

Passing Analysis

Category:

Athletes Passed

3349

Passed By

1340

Net Change

+2009

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#12830
5K → 10K	80	816	-736	#12830	#13566
10K → 15K	643	26	+617	#13566	#12949
15K → 20K	290	103	+187	#12949	#12762
20K → Half	36	32	+4	#12762	#12758
Half → 25K	188	118	+70	#12758	#12688
25K → 30K	322	135	+187	#12688	#12501
30K → 20M	178	45	+133	#12501	#12368
20M → 21M	157	45	+112	#12368	#12256
21M → 35K	127	9	+118	#12256	#12138
35K → 23M	327	6	+321	#12138	#11817
23M → 24M	262	0	+262	#11817	#11555
24M → 40K	273	3	+270	#11555	#11285
40K → 25.2M	132	2	+130	#11285	#11155
25.2M → Finish	334	0	+334	#11155	#10821
TOTALS	3349	1340	+2009

📊

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

Xu 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