Junko Yamazaki Smith

Bib: 28280F

NH

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
36:00
Rank: #28071
Start5K
36:00 | 11:35/mi
10K· 6.21 mi
1:14:48
Rank: #28155 (-84)
5K10K
38:48 | 12:29/mi
15K· 9.32 mi
1:55:35
Rank: #28197 (-42)
10K15K
40:47 | 13:08/mi
20K· 12.43 mi
2:38:14
Rank: #28214 (-17)
15K20K
42:39 | 13:44/mi
Half· 13.11 mi
2:45:44
Rank: #28162 (+52)
20KHalf
7:30 | 11:00/mi
25K· 15.53 mi
3:19:25
Rank: #28139 (+23)
Half25K
33:41 | 13:54/mi
30K· 18.64 mi
4:02:10
Rank: #28058 (+81)
25K30K
42:45 | 13:46/mi
20M
4:19:59
Rank: #27994 (+64)
30K20M
17:49 | 13:07/mi
21M
4:33:29
Rank: #27930 (+64)
20M21M
13:30 | 13:30/mi
35K· 21.75 mi
4:43:06
Rank: #27901 (+29)
21M35K
9:37 | 12:51/mi
23M
4:58:37
Rank: #27814 (+87)
35K23M
15:31 | 12:24/mi
24M
5:10:17
Rank: #27755 (+59)
23M24M
11:40 | 11:40/mi
40K· 24.85 mi
5:20:31
Rank: #27691 (+64)
24M40K
10:14 | 11:58/mi
25.2M
5:24:45
Rank: #27650 (+41)
40K25.2M
4:14 | 12:17/mi
Finish· 26.22 mi
5:35:27
Rank: #27595 (+55)
25.2MFinish
10:42 | 10:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:45:44
Pace12:39 /mi
2nd Half
Distance13.11 mi
Time2:49:43
Pace12:57 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:1536:0011:3536:00
11:35
-
10K
6.21 mi12:36:031:14:4812:0238:48
12:29
+0:54
15K
9.32 mi13:16:501:55:3512:2440:47
13:08
+0:39
20K
12.43 mi13:59:292:38:1412:4442:39
13:44
+0:36
Half
13.11 mi14:06:592:45:4412:397:30
11:00
-2:44
25K
15.53 mi14:40:403:19:2512:5033:41
13:54
+2:54
30K
18.64 mi15:23:254:02:1012:5942:45
13:46
-0:08
20M
20.00 mi15:41:144:19:5913:0017:49
13:07
-0:39
21M
21.00 mi15:54:444:33:2913:0113:30
13:30
+0:23
35K
21.75 mi16:04:214:43:0613:019:37
12:51
-0:39
23M
23.00 mi16:19:524:58:3712:5915:31
12:24
-0:27
24M
24.00 mi16:31:325:10:1712:5611:40
11:40
-0:44
40K
24.85 mi16:41:465:20:3112:5410:14
11:58
+0:18
25.2M
25.20 mi16:46:005:24:4512:534:14
12:17
+0:19
Finish
26.22 mi16:56:425:35:2712:4810:42
10:30
-1:47

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

10:30 /mi

Average Pace

12:48 /mi

Slowest Pace

13:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:06

23% of race

Time at Steady Pace

1:08:10

20% of race

Time at Slower Pace

3:11:11

57% of race

Average Pace: 12:48 /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 mi11:57:1536:0011:3536:00
11:35
#28071
10K
6.21 mi12:36:031:14:4812:0238:48
12:29
#28155
15K
9.32 mi13:16:501:55:3512:2440:47
13:08
#28197
20K
12.43 mi13:59:292:38:1412:4442:39
13:44
#28214
Half
13.11 mi14:06:592:45:4412:397:30
11:00
#28162
25K
15.53 mi14:40:403:19:2512:5033:41
13:54
#28139
30K
18.64 mi15:23:254:02:1012:5942:45
13:46
#28058
20M
20.00 mi15:41:144:19:5913:0017:49
13:07
#27994
21M
21.00 mi15:54:444:33:2913:0113:30
13:30
#27930
35K
21.75 mi16:04:214:43:0613:019:37
12:51
#27901
23M
23.00 mi16:19:524:58:3712:5915:31
12:24
#27814
24M
24.00 mi16:31:325:10:1712:5611:40
11:40
#27755
40K
24.85 mi16:41:465:20:3112:5410:14
11:58
#27691
25.2M
25.20 mi16:46:005:24:4512:534:14
12:17
#27650
Finish
26.22 mi16:56:425:35:2712:4810:42
10:30
#27595
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28071120051200528207(Top 99%)12115(Top 99%)12115(Top 222%)
10K6.21 mi3.10 mi28155-8412069-6412069-6428183(Top 99%)12093(Top 99%)12093(Top 221%)
15K9.32 mi3.11 mi28197-4212096-2712096-2728207(Top 99%)12115(Top 99%)12115(Top 222%)
20K12.43 mi3.11 mi28214-1712116-2012116-2028152(Top 99%)12090(Top 99%)12090(Top 221%)
Half13.11 mi0.68 mi28162+5212077+3912077+3926479(Top 93%)11115(Top 91%)11115(Top 203%)
25K15.53 mi2.42 mi28139+2312071+612071+627836(Top 98%)11912(Top 97%)11912(Top 218%)
30K18.64 mi3.11 mi28058+8112020+5112020+5127329(Top 96%)11676(Top 95%)11676(Top 213%)
20M20.00 mi1.36 mi27994+6411990+3011990+3026550(Top 93%)11315(Top 93%)11315(Top 207%)
21M21.00 mi1.00 mi27930+6411958+3211958+3225662(Top 90%)10889(Top 89%)10889(Top 199%)
35K21.75 mi0.75 mi27901+2911941+1711941+1726828(Top 94%)11508(Top 94%)11508(Top 210%)
23M23.00 mi1.25 mi27814+8711898+4311898+4325647(Top 90%)10933(Top 89%)10933(Top 200%)
24M24.00 mi1.00 mi27755+5911869+2911869+2925176(Top 89%)10720(Top 88%)10720(Top 196%)
40K24.85 mi0.85 mi27691+6411844+2511844+2524874(Top 88%)10622(Top 87%)10622(Top 194%)
25.2M25.20 mi0.35 mi27650+4111824+2011824+2023712(Top 83%)10044(Top 82%)10044(Top 184%)
Finish26.22 mi1.02 mi27595+5511794+3011794+3024271(Top 85%)10307(Top 84%)10307(Top 188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21stories
+97ft-345ft

Overall

28207

Females

12115

F18-39

12115

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

28183

Females

12093

F18-39

12093

10K→15K

6.2 - 9.3 mi

Top 99%
×3stories
+67ft-78ft

Overall

28207

Females

12115

F18-39

12115

15K→20K

9.3 - 12.4 mi

Top 99%
×5stories
+106ft-86ft

Overall

28152

Females

12090

F18-39

12090

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

26479

Females

11115

F18-39

11115

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

27836

Females

11912

F18-39

11912

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

27329

Females

11676

F18-39

11676

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

26550

Females

11315

F18-39

11315

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

25662

Females

10889

F18-39

10889

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

26828

Females

11508

F18-39

11508

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

25647

Females

10933

F18-39

10933

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

25176

Females

10720

F18-39

10720

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

24874

Females

10622

F18-39

10622

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23712

Females

10044

F18-39

10044

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

24271

Females

10307

F18-39

10307

Passing Analysis

Category:
Athletes Passed
713
Passed By
237
Net Change
+476
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28071
5K10K28112-84#28071#28155
10K15K1860-42#28155#28197
15K20K2441-17#28197#28214
20KHalf520+52#28214#28162
Half25K3411+23#28162#28139
25K30K876+81#28139#28058
30K20M662+64#28058#27994
20M21M651+64#27994#27930
21M35K334+29#27930#27901
35K23M870+87#27901#27814
23M24M590+59#27814#27755
24M40K640+64#27755#27691
40K25.2M410+41#27691#27650
25.2MFinish550+55#27650#27595
TOTALS713237+476
📊

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