Keiko Tateiwa

Bib: 18006F

TN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 41%
Division (F50-54)
#0 / 1207
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:15
Rank: #17223
Start5K
26:15 | 8:27/mi
10K· 6.21 mi
52:36
Rank: #17685 (-462)
5K10K
26:21 | 8:29/mi
15K· 9.32 mi
1:19:02
Rank: #17720 (-35)
10K15K
26:26 | 8:30/mi
20K· 12.43 mi
1:46:11
Rank: #17860 (-140)
15K20K
27:09 | 8:44/mi
Half· 13.11 mi
1:52:06
Rank: #17903 (-43)
20KHalf
5:55 | 8:40/mi
25K· 15.53 mi
2:13:00
Rank: #17695 (+208)
Half25K
20:54 | 8:37/mi
30K· 18.64 mi
2:40:43
Rank: #17497 (+198)
25K30K
27:43 | 8:55/mi
20M
2:52:52
Rank: #17379 (+118)
30K20M
12:09 | 8:56/mi
21M
3:02:19
Rank: #17280 (+99)
20M21M
9:27 | 9:27/mi
35K· 21.75 mi
3:08:36
Rank: #17180 (+100)
21M35K
6:17 | 8:24/mi
23M
3:19:29
Rank: #17006 (+174)
35K23M
10:53 | 8:42/mi
24M
3:27:52
Rank: #16885 (+121)
23M24M
8:23 | 8:23/mi
40K· 24.85 mi
3:35:14
Rank: #16767 (+118)
24M40K
7:22 | 8:37/mi
25.2M
3:38:28
Rank: #16717 (+50)
40K25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:47:05
Rank: #16639 (+78)
25.2MFinish
8:37 | 8:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:06
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time1:54:59
Pace8:46 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2526:158:2726:15
8:27
-
10K
6.21 mi11:43:4652:368:2826:21
8:29
+0:02
15K
9.32 mi12:10:121:19:028:2926:26
8:30
+0:01
20K
12.43 mi12:37:211:46:118:3327:09
8:44
+0:14
Half
13.11 mi12:43:161:52:068:335:55
8:40
-0:04
25K
15.53 mi13:04:102:13:008:3420:54
8:37
-0:03
30K
18.64 mi13:31:532:40:438:3727:43
8:55
+0:18
20M
20.00 mi13:44:022:52:528:3912:09
8:56
+0:01
21M
21.00 mi13:53:293:02:198:419:27
9:27
+0:31
35K
21.75 mi13:59:463:08:368:406:17
8:24
-1:03
23M
23.00 mi14:10:393:19:298:4010:53
8:42
+0:18
24M
24.00 mi14:19:023:27:528:408:23
8:23
-0:19
40K
24.85 mi14:26:243:35:148:407:22
8:37
+0:14
25.2M
25.20 mi14:29:383:38:288:403:14
9:23
+0:46
Finish
26.22 mi14:38:153:47:058:408:37
8:27
-0:56

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

8:23 /mi

Average Pace

8:40 /mi

Slowest Pace

9:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:34:24

94% of race

Time at Steady Pace

12:41

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:40 /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 mi11:17:2526:158:2726:15
8:27
#17223
10K
6.21 mi11:43:4652:368:2826:21
8:29
#17685
15K
9.32 mi12:10:121:19:028:2926:26
8:30
#17720
20K
12.43 mi12:37:211:46:118:3327:09
8:44
#17860
Half
13.11 mi12:43:161:52:068:335:55
8:40
#17903
25K
15.53 mi13:04:102:13:008:3420:54
8:37
#17695
30K
18.64 mi13:31:532:40:438:3727:43
8:55
#17497
20M
20.00 mi13:44:022:52:528:3912:09
8:56
#17379
21M
21.00 mi13:53:293:02:198:419:27
9:27
#17280
35K
21.75 mi13:59:463:08:368:406:17
8:24
#17180
23M
23.00 mi14:10:393:19:298:4010:53
8:42
#17006
24M
24.00 mi14:19:023:27:528:408:23
8:23
#16885
40K
24.85 mi14:26:243:35:148:407:22
8:37
#16767
25.2M
25.20 mi14:29:383:38:288:403:14
9:23
#16717
Finish
26.22 mi14:38:153:47:058:408:37
8:27
#16639
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi172236082608217870(Top 67%)6420(Top 56%)6420(Top 532%)
10K6.21 mi3.10 mi17685-4626336-2546336-25418150(Top 68%)6562(Top 57%)6562(Top 544%)
15K9.32 mi3.11 mi17720-356349-136349-1317870(Top 67%)6420(Top 56%)6420(Top 532%)
20K12.43 mi3.11 mi17860-1406439-906439-9018353(Top 69%)6707(Top 59%)6707(Top 556%)
Half13.11 mi0.68 mi17903-436464-256464-2518776(Top 71%)6933(Top 61%)6933(Top 574%)
25K15.53 mi2.42 mi17695+2086349+1156349+11516922(Top 64%)5962(Top 52%)5962(Top 494%)
30K18.64 mi3.11 mi17497+1986253+966253+9616773(Top 63%)5934(Top 52%)5934(Top 492%)
20M20.00 mi1.36 mi17379+1186205+486205+4816238(Top 61%)5709(Top 50%)5709(Top 473%)
21M21.00 mi1.00 mi17280+996163+426163+4215757(Top 59%)5492(Top 48%)5492(Top 455%)
35K21.75 mi0.75 mi17180+1006105+586105+5814773(Top 55%)4987(Top 44%)4987(Top 413%)
23M23.00 mi1.25 mi17006+1746029+766029+7614366(Top 54%)4839(Top 42%)4839(Top 401%)
24M24.00 mi1.00 mi16885+1215973+565973+5613820(Top 52%)4578(Top 40%)4578(Top 379%)
40K24.85 mi0.85 mi16767+1185920+535920+5314096(Top 53%)4807(Top 42%)4807(Top 398%)
25.2M25.20 mi0.35 mi16717+505902+185902+1814650(Top 55%)5116(Top 45%)5116(Top 424%)
Finish26.22 mi1.02 mi16639+785863+395863+3915167(Top 57%)5356(Top 47%)5356(Top 444%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17870

Females

6420

F50-54

6420

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18150

Females

6562

F50-54

6562

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17870

Females

6420

F50-54

6420

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

18353

Females

6707

F50-54

6707

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18776

Females

6933

F50-54

6933

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

16922

Females

5962

F50-54

5962

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16773

Females

5934

F50-54

5934

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

16238

Females

5709

F50-54

5709

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

15757

Females

5492

F50-54

5492

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

14773

Females

4987

F50-54

4987

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

14366

Females

4839

F50-54

4839

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13820

Females

4578

F50-54

4578

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14096

Females

4807

F50-54

4807

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14650

Females

5116

F50-54

5116

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

15167

Females

5356

F50-54

5356

Passing Analysis

Category:
Athletes Passed
1962
Passed By
1378
Net Change
+584
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17223
5K10K142604-462#17223#17685
10K15K176211-35#17685#17720
15K20K117257-140#17720#17860
20KHalf1760-43#17860#17903
Half25K23931+208#17903#17695
25K30K27577+198#17695#17497
30K20M14022+118#17497#17379
20M21M13940+99#17379#17280
21M35K1055+100#17280#17180
35K23M19521+174#17180#17006
23M24M1309+121#17006#16885
24M40K1279+118#16885#16767
40K25.2M533+50#16767#16717
25.2MFinish10729+78#16717#16639
TOTALS19621378+584
📊

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