Kazuhiro Matsunaga

Bib: 18885 M JP

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 46%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:06/mi
25:11
973451.5%
220 ft elev
10K· 6.21 mi
7:58/mi
49:55
791380.4%
157 ft elev
15K· 9.32 mi
8:04/mi
1:14:59
6778
146 ft elev
20K· 12.43 mi
8:20/mi
1:40:53
106860.1%
165 ft elev
Half· 13.11 mi
8:17/mi
1:46:32
19370.5%
148 ft elev
25K· 15.53 mi
8:30/mi
2:07:08
66880.2%
127 ft elev
30K· 18.64 mi
9:10/mi
2:35:37
1811480.2%
138 ft elev
20M
9:44/mi
2:48:50
64500.2%
148 ft elev
21M
9:44/mi
2:58:34
106241.6%
227 ft elev
35K· 21.75 mi
9:27/mi
3:05:38
17861.7%
156 ft elev
23M
9:33/mi
3:17:35
23630.6%
116 ft elev
24M
9:24/mi
3:26:59
821.3%
34 ft elev
40K· 24.85 mi
9:40/mi
3:35:15
200.3%
20 ft elev
25.2M
10:03/mi
3:38:43
13160.2%
18 ft elev
Finish· 26.22 mi
9:07/mi
3:48:00
2221
17 ft elev
Course Elevation
7469 ft
×2stacked redwood trees
890 ft climb · 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:46:328:08 /mi⚡ faster
2nd Half
2:01:289:16 /mi+14.0%
Positive split — 14.0% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
25:118:063.11 mi25:11
8:06
-
10K
49:558:023.10 mi24:44
7:58
-0:08
15K
1:14:598:033.11 mi25:04
8:04
+0:06
20K
1:40:538:073.11 mi25:54
8:20
+0:16
Half(13.11 mi)
1:46:328:080.68 mi5:39
8:17
-0:03
25K
2:07:088:112.42 mi20:36
8:30
+0:13
30K
2:35:378:213.11 mi28:29
9:10
+0:40
20M
2:48:508:271.36 mi13:13
9:44
+0:34
21M
2:58:348:301.00 mi9:44
9:44
0:00
35K
3:05:388:320.75 mi7:04
9:27
-0:17
23M
3:17:358:351.25 mi11:57
9:33
+0:06
24M
3:26:598:371.00 mi9:24
9:24
-0:09
40K
3:35:158:400.85 mi8:16
9:40
+0:16
25.2M
3:38:438:410.35 mi3:28
10:03
+0:23
Finish(26.22 mi)
3:48:008:421.02 mi9:17
9:07
-0:56
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

7:58 /mi

Average Pace

8:42 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:07:08

56% of race

Time at Steady Pace

54:14

24% of race

Time at Slower Pace

46:38

20% of race

Average Pace: 8:42 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi147461024510245149431028110281
10K3.10 mi14616+13010184+6110184+61144951012310123
15K3.11 mi14697-8110206-2210206-22149431028110281
20K3.11 mi15006-30910299-9310299-93158401057310573
Half(13.11 mi)0.68 mi15062-5610319-2010319-20163341082010820
25K2.42 mi15238-17610359-4010359-40161621060910609
30K3.11 mi15800-56210528-16910528-169180111133211332
20M1.36 mi16177-37710654-12610654-126196521196111961
21M1.00 mi16213-3610646+810646+8169531076610766
35K0.75 mi16358-14510701-5510701-55196731190311903
23M1.25 mi16524-16610760-5910760-59184741133311333
24M1.00 mi16653-12910797-3710797-37188351145911459
40K0.85 mi16770-11710827-3010827-30188961143411434
25.2M0.35 mi16773-310818+910818+9175501080710807
Finish(26.22 mi)1.02 mi16851-7810841-2310841-23184861129911299

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14943

Males

10281

M60-64

10281

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

14495

Males

10123

M60-64

10123

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14943

Males

10281

M60-64

10281

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15840

Males

10573

M60-64

10573

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

16334

Males

10820

M60-64

10820

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

16162

Males

10609

M60-64

10609

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

18011

Males

11332

M60-64

11332

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19652

Males

11961

M60-64

11961

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

16953

Males

10766

M60-64

10766

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19673

Males

11903

M60-64

11903

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

18474

Males

11333

M60-64

11333

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18835

Males

11459

M60-64

11459

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18896

Males

11434

M60-64

11434

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17550

Males

10807

M60-64

10807

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

18486

Males

11299

M60-64

11299

Passing Analysis

Category:
Passed
1051
Passed By
3156
Net Change
-2105
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14746
5K10K355225+130#14746#14616
10K15K164245-81#14616#14697
15K20K100409-309#14697#15006
20KHalf1975-56#15006#15062
Half25K87263-176#15062#15238
25K30K52614-562#15238#15800
30K20M23400-377#15800#16177
20M21M67103-36#16177#16213
21M35K18163-145#16213#16358
35K23M38204-166#16358#16524
23M24M27156-129#16524#16653
24M40K29146-117#16653#16770
40K25.2M2629-3#16770#16773
25.2MFinish46124-78#16773#16851
TOTALS10513156-2105

Passing Charts

Category:
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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