Bei Bai

Bib: 18907F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 49%
Gender (Female)
#0 / 12228
Top 35%
Masters (Masters Women)
#0 / 6759
Top 21%
Division (F40-44)
#0 / 1718
Top 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:38
Rank: #16004
Start5K
24:38 | 7:56/mi
10K· 6.21 mi
49:12
Rank: #15861 (+143)
5K10K
24:34 | 7:54/mi
15K· 9.32 mi
1:13:45
Rank: #15612 (+249)
10K15K
24:33 | 7:54/mi
20K· 12.43 mi
1:38:38
Rank: #15424 (+188)
15K20K
24:53 | 8:01/mi
Half· 13.11 mi
1:44:04
Rank: #15431 (-7)
20KHalf
5:26 | 7:58/mi
25K· 15.53 mi
2:03:45
Rank: #15295 (+136)
Half25K
19:41 | 8:07/mi
30K· 18.64 mi
2:29:21
Rank: #14839 (+456)
25K30K
25:36 | 8:14/mi
20M
2:40:50
Rank: #14682 (+157)
30K20M
11:29 | 8:27/mi
21M
2:49:55
Rank: #14614 (+68)
20M21M
9:05 | 9:05/mi
35K· 21.75 mi
2:56:34
Rank: #14704 (-90)
21M35K
6:39 | 8:53/mi
23M
3:07:06
Rank: #14551 (+153)
35K23M
10:32 | 8:25/mi
24M
3:15:14
Rank: #14440 (+111)
23M24M
8:08 | 8:08/mi
40K· 24.85 mi
3:22:04
Rank: #14259 (+181)
24M40K
6:50 | 8:00/mi
25.2M
3:25:19
Rank: #14243 (+16)
40K25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:33:03
Rank: #14040 (+203)
25.2MFinish
7:44 | 7:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:04
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:48:59
Pace8:19 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3524:387:5624:38
7:56
-
10K
6.21 mi11:43:0949:127:5524:34
7:54
-0:02
15K
9.32 mi12:07:421:13:457:5524:33
7:54
0:00
20K
12.43 mi12:32:351:38:387:5624:53
8:01
+0:07
Half
13.11 mi12:38:011:44:047:565:26
7:58
-0:03
25K
15.53 mi12:57:422:03:457:5819:41
8:07
+0:09
30K
18.64 mi13:23:182:29:218:0125:36
8:14
+0:07
20M
20.00 mi13:34:472:40:508:0211:29
8:27
+0:13
21M
21.00 mi13:43:522:49:558:059:05
9:05
+0:38
35K
21.75 mi13:50:312:56:348:076:39
8:53
-0:12
23M
23.00 mi14:01:033:07:068:0810:32
8:25
-0:28
24M
24.00 mi14:09:113:15:148:088:08
8:08
-0:17
40K
24.85 mi14:16:013:22:048:086:50
8:00
-0:08
25.2M
25.20 mi14:19:163:25:198:093:15
9:25
+1:25
Finish
26.22 mi14:27:003:33:038:087:44
7:35
-1:50

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

7:35 /mi

Average Pace

8:08 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

7:44

4% of race

Time at Steady Pace

2:44:19

77% of race

Time at Slower Pace

41:00

19% of race

Average Pace: 8:08 /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 mi11:18:3524:387:5624:38
7:56
#16004
10K
6.21 mi11:43:0949:127:5524:34
7:54
#15861
15K
9.32 mi12:07:421:13:457:5524:33
7:54
#15612
20K
12.43 mi12:32:351:38:387:5624:53
8:01
#15424
Half
13.11 mi12:38:011:44:047:565:26
7:58
#15431
25K
15.53 mi12:57:422:03:457:5819:41
8:07
#15295
30K
18.64 mi13:23:182:29:218:0125:36
8:14
#14839
20M
20.00 mi13:34:472:40:508:0211:29
8:27
#14682
21M
21.00 mi13:43:522:49:558:059:05
9:05
#14614
35K
21.75 mi13:50:312:56:348:076:39
8:53
#14704
23M
23.00 mi14:01:033:07:068:0810:32
8:25
#14551
24M
24.00 mi14:09:113:15:148:088:08
8:08
#14440
40K
24.85 mi14:16:013:22:048:086:50
8:00
#14259
25.2M
25.20 mi14:19:163:25:198:093:15
9:25
#14243
Finish
26.22 mi14:27:003:33:038:087:44
7:35
#14040
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi160045152515215261(Top 54%)4730(Top 39%)4730(Top 275%)
10K6.21 mi3.10 mi15861+1435053+995053+9915719(Top 55%)4958(Top 41%)4958(Top 289%)
15K9.32 mi3.11 mi15612+2494903+1504903+15015261(Top 54%)4730(Top 39%)4730(Top 275%)
20K12.43 mi3.11 mi15424+1884819+844819+8415019(Top 53%)4651(Top 38%)4651(Top 271%)
Half13.11 mi0.68 mi15431-74827-84827-815635(Top 55%)4955(Top 41%)4955(Top 288%)
25K15.53 mi2.42 mi15295+1364772+554772+5514766(Top 52%)4622(Top 38%)4622(Top 269%)
30K18.64 mi3.11 mi14839+4564587+1854587+18513123(Top 46%)3901(Top 32%)3901(Top 227%)
20M20.00 mi1.36 mi14682+1574519+684519+6813494(Top 48%)4245(Top 35%)4245(Top 247%)
21M21.00 mi1.00 mi14614+684504+154504+1514019(Top 49%)4641(Top 38%)4641(Top 270%)
35K21.75 mi0.75 mi14704-904568-644568-6417709(Top 62%)6733(Top 55%)6733(Top 392%)
23M23.00 mi1.25 mi14551+1534514+544514+5412793(Top 45%)4159(Top 34%)4159(Top 242%)
24M24.00 mi1.00 mi14440+1114479+354479+3512172(Top 43%)3888(Top 32%)3888(Top 226%)
40K24.85 mi0.85 mi14259+1814419+604419+6010206(Top 36%)3046(Top 25%)3046(Top 177%)
25.2M25.20 mi0.35 mi14243+164417+24417+214193(Top 50%)5113(Top 42%)5113(Top 298%)
Finish26.22 mi1.02 mi14040+2034337+804337+809893(Top 35%)2952(Top 24%)2952(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

15261

Females

4730

F40-44

4730

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

15719

Females

4958

F40-44

4958

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

15261

Females

4730

F40-44

4730

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

15019

Females

4651

F40-44

4651

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

15635

Females

4955

F40-44

4955

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

14766

Females

4622

F40-44

4622

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

13123

Females

3901

F40-44

3901

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

13494

Females

4245

F40-44

4245

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

14019

Females

4641

F40-44

4641

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17709

Females

6733

F40-44

6733

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

12793

Females

4159

F40-44

4159

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

12172

Females

3888

F40-44

3888

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10206

Females

3046

F40-44

3046

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14193

Females

5113

F40-44

5113

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9893

Females

2952

F40-44

2952

Passing Analysis

Category:
Athletes Passed
2943
Passed By
979
Net Change
+1964
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16004
5K10K399256+143#16004#15861
10K15K34293+249#15861#15612
15K20K295107+188#15612#15424
20KHalf3441-7#15424#15431
Half25K23195+136#15431#15295
25K30K50650+456#15295#14839
30K20M21053+157#14839#14682
20M21M13062+68#14682#14614
21M35K48138-90#14614#14704
35K23M17926+153#14704#14551
23M24M13322+111#14551#14440
24M40K1898+181#14440#14259
40K25.2M4024+16#14259#14243
25.2MFinish2074+203#14243#14040
TOTALS2943979+1964
📊

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