Akari Hirayama

Bib: 29499F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:54
Rank: #21536
Start5K
28:54 | 9:18/mi
10K· 6.21 mi
56:22
Rank: #20941 (+595)
5K10K
27:28 | 8:50/mi
15K· 9.32 mi
1:23:51
Rank: #20552 (+389)
10K15K
27:29 | 8:51/mi
20K· 12.43 mi
1:51:25
Rank: #20187 (+365)
15K20K
27:34 | 8:52/mi
Half· 13.11 mi
1:57:15
Rank: #20097 (+90)
20KHalf
5:50 | 8:33/mi
25K· 15.53 mi
2:18:38
Rank: #19746 (+351)
Half25K
21:23 | 8:49/mi
30K· 18.64 mi
2:46:07
Rank: #19164 (+582)
25K30K
27:29 | 8:51/mi
20M
2:58:00
Rank: #18865 (+299)
30K20M
11:53 | 8:45/mi
21M
3:07:09
Rank: #18603 (+262)
20M21M
9:09 | 9:09/mi
35K· 21.75 mi
3:13:33
Rank: #18492 (+111)
21M35K
6:24 | 8:33/mi
23M
3:24:35
Rank: #18286 (+206)
35K23M
11:02 | 8:49/mi
24M
3:33:11
Rank: #18158 (+128)
23M24M
8:36 | 8:36/mi
40K· 24.85 mi
3:40:43
Rank: #18054 (+104)
24M40K
7:32 | 8:49/mi
25.2M
3:43:50
Rank: #17974 (+80)
40K25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
3:52:15
Rank: #17818 (+156)
25.2MFinish
8:25 | 8:16/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:57:15
Pace8:57 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:55:00
Pace8:46 /mi
📊Negative Split: 1.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1328:549:1828:54
9:18
-
10K
6.21 mi12:18:4156:229:0427:28
8:50
-0:28
15K
9.32 mi12:46:101:23:519:0027:29
8:51
+0:01
20K
12.43 mi13:13:441:51:258:5827:34
8:52
+0:01
Half
13.11 mi13:19:341:57:158:575:50
8:33
-0:19
25K
15.53 mi13:40:572:18:388:5521:23
8:49
+0:16
30K
18.64 mi14:08:262:46:078:5527:29
8:51
+0:02
20M
20.00 mi14:20:192:58:008:5411:53
8:45
-0:06
21M
21.00 mi14:29:283:07:098:559:09
9:09
+0:24
35K
21.75 mi14:35:523:13:338:546:24
8:33
-0:36
23M
23.00 mi14:46:543:24:358:5411:02
8:49
+0:16
24M
24.00 mi14:55:303:33:118:538:36
8:36
-0:13
40K
24.85 mi15:03:023:40:438:537:32
8:49
+0:13
25.2M
25.20 mi15:06:093:43:508:533:07
9:02
+0:13
Finish
26.22 mi15:14:343:52:158:528:25
8:16
-0:46

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

8:16 /mi

Average Pace

8:52 /mi

Slowest Pace

9:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:12

84% of race

Time at Steady Pace

38:03

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:51 /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 mi11:51:1328:549:1828:54
9:18
#21536
10K
6.21 mi12:18:4156:229:0427:28
8:50
#20941
15K
9.32 mi12:46:101:23:519:0027:29
8:51
#20552
20K
12.43 mi13:13:441:51:258:5827:34
8:52
#20187
Half
13.11 mi13:19:341:57:158:575:50
8:33
#20097
25K
15.53 mi13:40:572:18:388:5521:23
8:49
#19746
30K
18.64 mi14:08:262:46:078:5527:29
8:51
#19164
20M
20.00 mi14:20:192:58:008:5411:53
8:45
#18865
21M
21.00 mi14:29:283:07:098:559:09
9:09
#18603
35K
21.75 mi14:35:523:13:338:546:24
8:33
#18492
23M
23.00 mi14:46:543:24:358:5411:02
8:49
#18286
24M
24.00 mi14:55:303:33:118:538:36
8:36
#18158
40K
24.85 mi15:03:023:40:438:537:32
8:49
#18054
25.2M
25.20 mi15:06:093:43:508:533:07
9:02
#17974
Finish
26.22 mi15:14:343:52:158:528:25
8:16
#17818
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi215368652865219774(Top 74%)7547(Top 66%)7547(Top 155%)
10K6.21 mi3.10 mi20941+5958286+3668286+36620141(Top 76%)7778(Top 68%)7778(Top 159%)
15K9.32 mi3.11 mi20552+3898045+2418045+24119774(Top 74%)7547(Top 66%)7547(Top 155%)
20K12.43 mi3.11 mi20187+3657822+2237822+22319078(Top 72%)7132(Top 62%)7132(Top 146%)
Half13.11 mi0.68 mi20097+907771+517771+5118050(Top 68%)6514(Top 57%)6514(Top 133%)
25K15.53 mi2.42 mi19746+3517572+1997572+19918068(Top 68%)6589(Top 58%)6589(Top 135%)
30K18.64 mi3.11 mi19164+5827236+3367236+33616372(Top 61%)5716(Top 50%)5716(Top 117%)
20M20.00 mi1.36 mi18865+2997079+1577079+15715158(Top 57%)5097(Top 45%)5097(Top 104%)
21M21.00 mi1.00 mi18603+2626931+1486931+14814264(Top 54%)4641(Top 41%)4641(Top 95%)
35K21.75 mi0.75 mi18492+1116883+486883+4815652(Top 59%)5511(Top 48%)5511(Top 113%)
23M23.00 mi1.25 mi18286+2066779+1046779+10415096(Top 57%)5242(Top 46%)5242(Top 107%)
24M24.00 mi1.00 mi18158+1286721+586721+5815103(Top 57%)5298(Top 46%)5298(Top 108%)
40K24.85 mi0.85 mi18054+1046672+496672+4915174(Top 57%)5404(Top 47%)5404(Top 111%)
25.2M25.20 mi0.35 mi17974+806628+446628+4412867(Top 48%)4200(Top 37%)4200(Top 86%)
Finish26.22 mi1.02 mi17818+1566541+876541+8713888(Top 52%)4691(Top 41%)4691(Top 96%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

19774

Females

7547

F18-39

7547

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

20141

Females

7778

F18-39

7778

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

19774

Females

7547

F18-39

7547

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

19078

Females

7132

F18-39

7132

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

18050

Females

6514

F18-39

6514

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

18068

Females

6589

F18-39

6589

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

16372

Females

5716

F18-39

5716

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

15158

Females

5097

F18-39

5097

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14264

Females

4641

F18-39

4641

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15652

Females

5511

F18-39

5511

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15096

Females

5242

F18-39

5242

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

15103

Females

5298

F18-39

5298

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15174

Females

5404

F18-39

5404

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12867

Females

4200

F18-39

4200

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13888

Females

4691

F18-39

4691

Passing Analysis

Category:
Athletes Passed
3934
Passed By
216
Net Change
+3718
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21536
5K10K67479+595#21536#20941
10K15K43950+389#20941#20552
15K20K39227+365#20552#20187
20KHalf966+90#20187#20097
Half25K36312+351#20097#19746
25K30K5875+582#19746#19164
30K20M3001+299#19164#18865
20M21M2620+262#18865#18603
21M35K1176+111#18603#18492
35K23M21610+206#18492#18286
23M24M1335+128#18286#18158
24M40K1106+104#18158#18054
40K25.2M800+80#18054#17974
25.2MFinish1659+156#17974#17818
TOTALS3934216+3718
📊

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