Hiroshi Iwai

Bib: 18499M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M65-69)
#0 / 617
Top 20%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:35
Rank: #13959
Start5K
7:55/mi
24:35 split
10K· 6.21 mi
48:44
Rank: #13174 (+785)
5K10K
7:46/mi
24:09 split
15K· 9.32 mi
1:13:08
Rank: #12888 (+286)
10K15K
7:51/mi
24:24 split
20K· 12.43 mi
1:38:13
Rank: #12668 (+220)
15K20K
8:04/mi
25:05 split
Half· 13.11 mi
1:43:43
Rank: #12688 (-20)
20KHalf
8:04/mi
5:30 split
25K· 15.53 mi
2:03:43
Rank: #12440 (+248)
Half25K
8:15/mi
20:00 split
30K· 18.64 mi
2:29:46
Rank: #11893 (+547)
25K30K
8:23/mi
26:03 split
20M
2:47:07
Rank: #13498 (-1605)
30K20M
12:46/mi
17:21 split
21M
3:00:44
Rank: #14484 (-986)
20M21M
13:37/mi
13:37 split
35K· 21.75 mi
3:08:31
Rank: #14717 (-233)
21M35K
10:24/mi
7:47 split
23M
3:21:14
Rank: #14825 (-108)
35K23M
10:09/mi
12:43 split
24M
3:31:06
Rank: #14863 (-38)
23M24M
9:52/mi
9:52 split
40K· 24.85 mi
3:40:30
Rank: #15055 (-192)
24M40K
11:00/mi
9:24 split
25.2M
3:44:22
Rank: #15070 (-15)
40K25.2M
11:13/mi
3:52 split
Finish· 26.22 mi
3:54:09
Rank: #15140 (-70)
25.2MFinish
9:36/mi
9:47 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:43
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time2:10:26
Pace9:57 /mi
📊Positive Split: 25.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2224:357:5524:35
7:55
-
10K
6.21 mi11:40:3148:447:5124:09
7:46
-0:09
15K
9.32 mi12:04:551:13:087:5124:24
7:51
+0:05
20K
12.43 mi12:30:001:38:137:5425:05
8:04
+0:13
Half
13.11 mi12:35:301:43:437:555:30
8:04
0:00
25K
15.53 mi12:55:302:03:437:5820:00
8:15
+0:11
30K
18.64 mi13:21:332:29:468:0226:03
8:23
+0:08
20M
20.00 mi13:38:542:47:078:2117:21
12:46
+4:23
21M
21.00 mi13:52:313:00:448:3613:37
13:37
+0:51
35K
21.75 mi14:00:183:08:318:407:47
10:24
-3:13
23M
23.00 mi14:13:013:21:148:4512:43
10:09
-0:15
24M
24.00 mi14:22:533:31:068:489:52
9:52
-0:17
40K
24.85 mi14:32:173:40:308:529:24
11:00
+1:08
25.2M
25.20 mi14:36:093:44:228:543:52
11:13
+0:13
Finish
26.22 mi14:45:563:54:098:569:47
9:36
-1:37

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

7:46 /mi

Average Pace

8:56 /mi

Slowest Pace

13:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:46

64% of race

Time at Steady Pace

40:09

17% of race

Time at Slower Pace

44:14

19% of race

Average Pace: 8:56 /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 mi11:16:2224:357:5524:35
7:55
#13959
10K
6.21 mi11:40:3148:447:5124:09
7:46
#13174
15K
9.32 mi12:04:551:13:087:5124:24
7:51
#12888
20K
12.43 mi12:30:001:38:137:5425:05
8:04
#12668
Half
13.11 mi12:35:301:43:437:555:30
8:04
#12688
25K
15.53 mi12:55:302:03:437:5820:00
8:15
#12440
30K
18.64 mi13:21:332:29:468:0226:03
8:23
#11893
20M
20.00 mi13:38:542:47:078:2117:21
12:46
#13498
21M
21.00 mi13:52:313:00:448:3613:37
13:37
#14484
35K
21.75 mi14:00:183:08:318:407:47
10:24
#14717
23M
23.00 mi14:13:013:21:148:4512:43
10:09
#14825
24M
24.00 mi14:22:533:31:068:489:52
9:52
#14863
40K
24.85 mi14:32:173:40:308:529:24
11:00
#15055
25.2M
25.20 mi14:36:093:44:228:543:52
11:13
#15070
Finish
26.22 mi14:45:563:54:098:569:47
9:36
#15140
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi139599641964112351(Top 48%)8888(Top 61%)8888(Top 1441%)
10K6.21 mi3.10 mi13174+7859318+3239318+32312428(Top 49%)8973(Top 62%)8973(Top 1454%)
15K9.32 mi3.11 mi12888+2869170+1489170+14812351(Top 48%)8888(Top 61%)8888(Top 1441%)
20K12.43 mi3.11 mi12668+2209055+1159055+11512340(Top 48%)8815(Top 60%)8815(Top 1429%)
Half13.11 mi0.68 mi12688-209054+19054+113133(Top 51%)9140(Top 63%)9140(Top 1481%)
25K15.53 mi2.42 mi12440+2488913+1418913+14111662(Top 46%)8320(Top 57%)8320(Top 1348%)
30K18.64 mi3.11 mi11893+5478578+3358578+33510031(Top 39%)7285(Top 50%)7285(Top 1181%)
20M20.00 mi1.36 mi13498-16059204-6269204-62622538(Top 88%)12963(Top 89%)12963(Top 2101%)
21M21.00 mi1.00 mi14484-9869584-3809584-38021769(Top 85%)12535(Top 86%)12535(Top 2032%)
35K21.75 mi0.75 mi14717-2339640-569640-5618289(Top 72%)10767(Top 74%)10767(Top 1745%)
23M23.00 mi1.25 mi14825-1089637+39637+315975(Top 63%)9557(Top 66%)9557(Top 1549%)
24M24.00 mi1.00 mi14863-389612+259612+2515850(Top 62%)9445(Top 65%)9445(Top 1531%)
40K24.85 mi0.85 mi15055-1929666-549666-5418044(Top 71%)10484(Top 72%)10484(Top 1699%)
25.2M25.20 mi0.35 mi15070-159651+159651+1515154(Top 59%)9018(Top 62%)9018(Top 1462%)
Finish26.22 mi1.02 mi15140-709661-109661-1016910(Top 66%)9905(Top 68%)9905(Top 1605%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

12351

Males

8888

M65-69

8888

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

12428

Males

8973

M65-69

8973

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

12351

Males

8888

M65-69

8888

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

12340

Males

8815

M65-69

8815

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

13133

Males

9140

M65-69

9140

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

11662

Males

8320

M65-69

8320

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10031

Males

7285

M65-69

7285

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

22538

Males

12963

M65-69

12963

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

21769

Males

12535

M65-69

12535

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

18289

Males

10767

M65-69

10767

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

15975

Males

9557

M65-69

9557

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

15850

Males

9445

M65-69

9445

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18044

Males

10484

M65-69

10484

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15154

Males

9018

M65-69

9018

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

16910

Males

9905

M65-69

9905

Passing Analysis

Category:
Athletes Passed
2978
Passed By
4159
Net Change
-1181
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13959
5K10K84762+785#13959#13174
10K15K37084+286#13174#12888
15K20K361141+220#12888#12668
20KHalf4060-20#12668#12688
Half25K359111+248#12688#12440
25K30K60861+547#12440#11893
30K20M101615-1605#11893#13498
20M21M201006-986#13498#14484
21M35K38271-233#14484#14717
35K23M92200-108#14717#14825
23M24M95133-38#14825#14863
24M40K44236-192#14863#15055
40K25.2M4257-15#15055#15070
25.2MFinish52122-70#15070#15140
TOTALS29784159-1181
📊

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