Xihua Xu

Bib: 28818M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M65-69)
#0 / 617
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:38
Rank: #22652
Start5K
30:38 | 9:52/mi
10K· 6.21 mi
1:02:01
Rank: #22738 (-86)
5K10K
31:23 | 10:06/mi
15K· 9.32 mi
1:36:32
Rank: #23232 (-494)
10K15K
34:31 | 11:07/mi
20K· 12.43 mi
2:13:59
Rank: #23571 (-339)
15K20K
37:27 | 12:03/mi
Half· 13.11 mi
2:21:23
Rank: #23555 (+16)
20KHalf
7:24 | 10:51/mi
25K· 15.53 mi
2:49:51
Rank: #23445 (+110)
Half25K
28:28 | 11:44/mi
30K· 18.64 mi
3:29:27
Rank: #23388 (+57)
25K30K
39:36 | 12:45/mi
20M
3:47:58
Rank: #23391 (-3)
30K20M
18:31 | 13:38/mi
21M
4:03:43
Rank: #23451 (-60)
20M21M
15:45 | 15:45/mi
35K· 21.75 mi
4:13:17
Rank: #23423 (+28)
21M35K
9:34 | 12:47/mi
23M
4:28:55
Rank: #23337 (+86)
35K23M
15:38 | 12:29/mi
24M
4:40:16
Rank: #23250 (+87)
23M24M
11:21 | 11:21/mi
40K· 24.85 mi
4:51:11
Rank: #23230 (+20)
24M40K
10:55 | 12:46/mi
25.2M
4:56:50
Rank: #23268 (-38)
40K25.2M
5:39 | 16:23/mi
Finish· 26.22 mi
5:10:49
Rank: #23395 (-127)
25.2MFinish
13:59 | 13:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:23
Pace10:47 /mi
2nd Half
Distance13.11 mi
Time2:49:26
Pace12:55 /mi
📊Positive Split: 19.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2030:389:5230:38
9:52
-
10K
6.21 mi12:23:431:02:019:5931:23
10:06
+0:14
15K
9.32 mi12:58:141:36:3210:2134:31
11:07
+1:01
20K
12.43 mi13:35:412:13:5910:4737:27
12:03
+0:56
Half
13.11 mi13:43:052:21:2310:477:24
10:51
-1:12
25K
15.53 mi14:11:332:49:5110:5628:28
11:44
+0:53
30K
18.64 mi14:51:093:29:2711:1439:36
12:45
+1:01
20M
20.00 mi15:09:403:47:5811:2418:31
13:38
+0:53
21M
21.00 mi15:25:254:03:4311:3615:45
15:45
+2:07
35K
21.75 mi15:34:594:13:1711:399:34
12:47
-2:58
23M
23.00 mi15:50:374:28:5511:4215:38
12:29
-0:18
24M
24.00 mi16:01:584:40:1611:4111:21
11:21
-1:08
40K
24.85 mi16:12:534:51:1111:4310:55
12:46
+1:25
25.2M
25.20 mi16:18:324:56:5011:475:39
16:23
+3:37
Finish
26.22 mi16:32:315:10:4911:5213:59
13:43
-2:40

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

9:52 /mi

Average Pace

11:52 /mi

Slowest Pace

16:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:17

37% of race

Time at Steady Pace

2:21:38

46% of race

Time at Slower Pace

53:54

17% of race

Average Pace: 11:51 /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.

Loading...
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

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:52:2030:389:5230:38
9:52
#22652
10K
6.21 mi12:23:431:02:019:5931:23
10:06
#22738
15K
9.32 mi12:58:141:36:3210:2134:31
11:07
#23232
20K
12.43 mi13:35:412:13:5910:4737:27
12:03
#23571
Half
13.11 mi13:43:052:21:2310:477:24
10:51
#23555
25K
15.53 mi14:11:332:49:5110:5628:28
11:44
#23445
30K
18.64 mi14:51:093:29:2711:1439:36
12:45
#23388
20M
20.00 mi15:09:403:47:5811:2418:31
13:38
#23391
21M
21.00 mi15:25:254:03:4311:3615:45
15:45
#23451
35K
21.75 mi15:34:594:13:1711:399:34
12:47
#23423
23M
23.00 mi15:50:374:28:5511:4215:38
12:29
#23337
24M
24.00 mi16:01:584:40:1611:4111:21
11:21
#23250
40K
24.85 mi16:12:534:51:1111:4310:55
12:46
#23230
25.2M
25.20 mi16:18:324:56:5011:475:39
16:23
#23268
Finish
26.22 mi16:32:315:10:4911:5213:59
13:43
#23395
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi22652133751337523854(Top 93%)13921(Top 95%)13921(Top 2256%)
10K6.21 mi3.10 mi22738-8613411-3613411-3622745(Top 89%)13389(Top 92%)13389(Top 2170%)
15K9.32 mi3.11 mi23232-49413651-24013651-24023854(Top 93%)13921(Top 95%)13921(Top 2256%)
20K12.43 mi3.11 mi23571-33913789-13813789-13824046(Top 94%)13968(Top 96%)13968(Top 2264%)
Half13.11 mi0.68 mi23555+1613782+713782+723279(Top 91%)13582(Top 93%)13582(Top 2201%)
25K15.53 mi2.42 mi23445+11013706+7613706+7622767(Top 89%)13300(Top 91%)13300(Top 2156%)
30K18.64 mi3.11 mi23388+5713639+6713639+6722961(Top 90%)13281(Top 91%)13281(Top 2153%)
20M20.00 mi1.36 mi23391-313621+1813621+1823600(Top 92%)13499(Top 93%)13499(Top 2188%)
21M21.00 mi1.00 mi23451-6013649-2813649-2824303(Top 95%)13845(Top 95%)13845(Top 2244%)
35K21.75 mi0.75 mi23423+2813625+2413625+2422985(Top 90%)13123(Top 90%)13123(Top 2127%)
23M23.00 mi1.25 mi23337+8613560+6513560+6521686(Top 85%)12433(Top 85%)12433(Top 2015%)
24M24.00 mi1.00 mi23250+8713513+4713513+4720101(Top 79%)11570(Top 79%)11570(Top 1875%)
40K24.85 mi0.85 mi23230+2013496+1713496+1721887(Top 86%)12435(Top 85%)12435(Top 2015%)
25.2M25.20 mi0.35 mi23268-3813512-1613512-1624305(Top 95%)13758(Top 94%)13758(Top 2230%)
Finish26.22 mi1.02 mi23395-12713549-3713549-3724805(Top 97%)14049(Top 96%)14049(Top 2277%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

23854

Males

13921

M65-69

13921

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

22745

Males

13389

M65-69

13389

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

23854

Males

13921

M65-69

13921

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

24046

Males

13968

M65-69

13968

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

23279

Males

13582

M65-69

13582

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

22767

Males

13300

M65-69

13300

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

22961

Males

13281

M65-69

13281

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

23600

Males

13499

M65-69

13499

20M→21M

20.0 - 21.0 mi

Top 95%
×8stories
+106ft-24ft

Overall

24303

Males

13845

M65-69

13845

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

22985

Males

13123

M65-69

13123

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

21686

Males

12433

M65-69

12433

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

20101

Males

11570

M65-69

11570

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

21887

Males

12435

M65-69

12435

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

24305

Males

13758

M65-69

13758

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

24805

Males

14049

M65-69

14049

Passing Analysis

Category:
Athletes Passed
1025
Passed By
1768
Net Change
-743
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22652
5K10K168254-86#22652#22738
10K15K44538-494#22738#23232
15K20K53392-339#23232#23571
20KHalf3317+16#23571#23555
Half25K16151+110#23555#23445
25K30K161104+57#23445#23388
30K20M6871-3#23388#23391
20M21M2585-60#23391#23451
21M35K5527+28#23451#23423
35K23M9610+86#23423#23337
23M24M914+87#23337#23250
24M40K4525+20#23250#23230
40K25.2M543-38#23230#23268
25.2MFinish20147-127#23268#23395
TOTALS10251768-743
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing