Jiawei Hao

Bib: 29689M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:52
Rank: #18864
Start5K
25:52 | 8:20/mi
10K· 6.21 mi
52:22
Rank: #19403 (-539)
5K10K
26:30 | 8:32/mi
15K· 9.32 mi
1:19:58
Rank: #20126 (-723)
10K15K
27:36 | 8:53/mi
20K· 12.43 mi
1:49:25
Rank: #20954 (-828)
15K20K
29:27 | 9:29/mi
Half· 13.11 mi
1:55:38
Rank: #21029 (-75)
20KHalf
6:13 | 9:07/mi
25K· 15.53 mi
2:20:22
Rank: #21725 (-696)
Half25K
24:44 | 10:12/mi
30K· 18.64 mi
2:58:37
Rank: #23043 (-1318)
25K30K
38:15 | 12:19/mi
20M
3:15:23
Rank: #23332 (-289)
30K20M
16:46 | 12:20/mi
21M
3:28:12
Rank: #23481 (-149)
20M21M
12:49 | 12:49/mi
35K· 21.75 mi
3:36:30
Rank: #23521 (-40)
21M35K
8:18 | 11:06/mi
23M
3:50:53
Rank: #23570 (-49)
35K23M
14:23 | 11:29/mi
24M
4:02:08
Rank: #23634 (-64)
23M24M
11:15 | 11:15/mi
40K· 24.85 mi
4:11:49
Rank: #23664 (-30)
24M40K
9:41 | 11:20/mi
25.2M
4:16:10
Rank: #23683 (-19)
40K25.2M
4:21 | 12:37/mi
Finish· 26.22 mi
4:26:43
Rank: #23679 (+4)
25.2MFinish
10:33 | 10:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:38
Pace8:49 /mi
2nd Half
Distance13.11 mi
Time2:31:05
Pace11:32 /mi
📊Positive Split: 30.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:1125:528:2025:52
8:20
-
10K
6.21 mi12:13:4152:228:2626:30
8:32
+0:12
15K
9.32 mi12:41:171:19:588:3527:36
8:53
+0:21
20K
12.43 mi13:10:441:49:258:4829:27
9:29
+0:36
Half
13.11 mi13:16:571:55:388:496:13
9:07
-0:22
25K
15.53 mi13:41:412:20:229:0224:44
10:12
+1:05
30K
18.64 mi14:19:562:58:379:3538:15
12:19
+2:07
20M
20.00 mi14:36:423:15:239:4616:46
12:20
+0:01
21M
21.00 mi14:49:313:28:129:5512:49
12:49
+0:29
35K
21.75 mi14:57:493:36:309:578:18
11:06
-1:43
23M
23.00 mi15:12:123:50:5310:0214:23
11:29
+0:23
24M
24.00 mi15:23:274:02:0810:0511:15
11:15
-0:14
40K
24.85 mi15:33:084:11:4910:089:41
11:20
+0:05
25.2M
25.20 mi15:37:294:16:1010:104:21
12:37
+1:17
Finish
26.22 mi15:48:024:26:4310:1110:33
10:21
-2:16

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

8:20 /mi

Average Pace

10:11 /mi

Slowest Pace

12:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:55

57% of race

Time at Steady Pace

43:37

16% of race

Time at Slower Pace

1:12:11

27% of race

Average Pace: 10:10 /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 mi11:47:1125:528:2025:52
8:20
#18864
10K
6.21 mi12:13:4152:228:2626:30
8:32
#19403
15K
9.32 mi12:41:171:19:588:3527:36
8:53
#20126
20K
12.43 mi13:10:441:49:258:4829:27
9:29
#20954
Half
13.11 mi13:16:571:55:388:496:13
9:07
#21029
25K
15.53 mi13:41:412:20:229:0224:44
10:12
#21725
30K
18.64 mi14:19:562:58:379:3538:15
12:19
#23043
20M
20.00 mi14:36:423:15:239:4616:46
12:20
#23332
21M
21.00 mi14:49:313:28:129:5512:49
12:49
#23481
35K
21.75 mi14:57:493:36:309:578:18
11:06
#23521
23M
23.00 mi15:12:123:50:5310:0214:23
11:29
#23570
24M
24.00 mi15:23:274:02:0810:0511:15
11:15
#23634
40K
24.85 mi15:33:084:11:4910:089:41
11:20
#23664
25.2M
25.20 mi15:37:294:16:1010:104:21
12:37
#23683
Finish
26.22 mi15:48:024:26:4310:1110:33
10:21
#23679
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi18864119821198221482(Top 76%)13161(Top 82%)13161(Top 586%)
10K6.21 mi3.10 mi19403-53912224-24212224-24219967(Top 70%)12471(Top 77%)12471(Top 555%)
15K9.32 mi3.11 mi20126-72312528-30412528-30421482(Top 76%)13161(Top 82%)13161(Top 586%)
20K12.43 mi3.11 mi20954-82812887-35912887-35922828(Top 80%)13719(Top 85%)13719(Top 611%)
Half13.11 mi0.68 mi21029-7512925-3812925-3822250(Top 78%)13451(Top 84%)13451(Top 599%)
25K15.53 mi2.42 mi21725-69613209-28413209-28423731(Top 84%)14065(Top 87%)14065(Top 626%)
30K18.64 mi3.11 mi23043-131813769-56013769-56025948(Top 91%)14967(Top 93%)14967(Top 666%)
20M20.00 mi1.36 mi23332-28913890-12113890-12125727(Top 91%)14798(Top 92%)14798(Top 659%)
21M21.00 mi1.00 mi23481-14913930-4013930-4024811(Top 87%)14279(Top 89%)14279(Top 635%)
35K21.75 mi0.75 mi23521-4013939-913939-924411(Top 86%)14063(Top 87%)14063(Top 626%)
23M23.00 mi1.25 mi23570-4913944-513944-524224(Top 85%)13954(Top 87%)13954(Top 621%)
24M24.00 mi1.00 mi23634-6413956-1213956-1224474(Top 86%)14048(Top 87%)14048(Top 625%)
40K24.85 mi0.85 mi23664-3013953+313953+323810(Top 84%)13670(Top 85%)13670(Top 608%)
25.2M25.20 mi0.35 mi23683-1913957-413957-424399(Top 86%)13959(Top 87%)13959(Top 621%)
Finish26.22 mi1.02 mi23679+413944+1313944+1323917(Top 84%)13726(Top 85%)13726(Top 611%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

21482

Males

13161

M40-44

13161

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

19967

Males

12471

M40-44

12471

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

21482

Males

13161

M40-44

13161

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

22828

Males

13719

M40-44

13719

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

22250

Males

13451

M40-44

13451

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

23731

Males

14065

M40-44

14065

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

25948

Males

14967

M40-44

14967

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

25727

Males

14798

M40-44

14798

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

24811

Males

14279

M40-44

14279

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

24411

Males

14063

M40-44

14063

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

24224

Males

13954

M40-44

13954

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

24474

Males

14048

M40-44

14048

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23810

Males

13670

M40-44

13670

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24399

Males

13959

M40-44

13959

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

23917

Males

13726

M40-44

13726

Passing Analysis

Category:
Athletes Passed
505
Passed By
5320
Net Change
-4815
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18864
5K10K94633-539#18864#19403
10K15K49772-723#19403#20126
15K20K44872-828#20126#20954
20KHalf1287-75#20954#21029
Half25K31727-696#21029#21725
25K30K171335-1318#21725#23043
30K20M24313-289#23043#23332
20M21M31180-149#23332#23481
21M35K3575-40#23481#23521
35K23M57106-49#23521#23570
23M24M2690-64#23570#23634
24M40K3565-30#23634#23664
40K25.2M827-19#23664#23683
25.2MFinish4238+4#23683#23679
TOTALS5055320-4815
📊

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