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BOSTON MARATHON 2023

Kazuhiro Yuzume

Bib: 8159•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 19%
Masters (Masters Men)
#0 / 9891
Top 8%
Division (M50-54)
#0 / 2052
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:10
Rank: #2231
Start → 5K
20:10 | 6:29/mi
10K· 6.21 mi
40:43
Rank: #2820 (-589)
5K → 10K
20:33 | 6:37/mi
15K· 9.32 mi
1:01:32
Rank: #3214 (-394)
10K → 15K
20:49 | 6:42/mi
20K· 12.43 mi
1:22:23
Rank: #3289 (-75)
15K → 20K
20:51 | 6:43/mi
Half· 13.11 mi
1:26:48
Rank: #3241 (+48)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:43:05
Rank: #3253 (-12)
Half → 25K
16:17 | 6:43/mi
30K· 18.64 mi
2:04:20
Rank: #3196 (+57)
25K → 30K
21:15 | 6:50/mi
20M
2:13:51
Rank: #3225 (-29)
30K → 20M
9:31 | 7:00/mi
21M
2:20:51
Rank: #3139 (+86)
20M → 21M
7:00 | 7:00/mi
35K· 21.75 mi
2:25:44
Rank: #3098 (+41)
21M → 35K
4:53 | 6:32/mi
23M
2:34:28
Rank: #3088 (+10)
35K → 23M
8:44 | 6:59/mi
24M
2:41:15
Rank: #3097 (-9)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:47:11
Rank: #3095 (+2)
24M → 40K
5:56 | 6:56/mi
25.2M
2:49:45
Rank: #3084 (+11)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:56:43
Rank: #3121 (-37)
25.2M → Finish
6:58 | 6:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:48
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:29:55
Pace6:52 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:1520:106:2920:10
6:29
-
10K
6.21 mi11:05:4840:436:3320:33
6:37
+0:08
15K
9.32 mi11:26:371:01:326:3620:49
6:42
+0:05
20K
12.43 mi11:47:281:22:236:3820:51
6:43
+0:01
Half
13.11 mi11:51:531:26:486:374:25
6:28
-0:15
25K
15.53 mi12:08:101:43:056:3816:17
6:43
+0:15
30K
18.64 mi12:29:252:04:206:4021:15
6:50
+0:07
20M
20.00 mi12:38:562:13:516:429:31
7:00
+0:10
21M
21.00 mi12:45:562:20:516:427:00
7:00
0:00
35K
21.75 mi12:50:492:25:446:424:53
6:32
-0:28
23M
23.00 mi12:59:332:34:286:438:44
6:59
+0:27
24M
24.00 mi13:06:202:41:156:436:47
6:47
-0:12
40K
24.85 mi13:12:162:47:116:445:56
6:56
+0:09
25.2M
25.20 mi13:14:502:49:456:442:34
7:27
+0:31
Finish
26.22 mi13:21:482:56:436:456:58
6:50
-0:37

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

6:28 /mi

Average Pace

6:45 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:09

99% of race

Time at Steady Pace

2:34

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:44 /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 mi10:45:1520:106:2920:10
6:29
#2231
10K
6.21 mi11:05:4840:436:3320:33
6:37
#2820
15K
9.32 mi11:26:371:01:326:3620:49
6:42
#3214
20K
12.43 mi11:47:281:22:236:3820:51
6:43
#3289
Half
13.11 mi11:51:531:26:486:374:25
6:28
#3241
25K
15.53 mi12:08:101:43:056:3816:17
6:43
#3253
30K
18.64 mi12:29:252:04:206:4021:15
6:50
#3196
20M
20.00 mi12:38:562:13:516:429:31
7:00
#3225
21M
21.00 mi12:45:562:20:516:427:00
7:00
#3139
35K
21.75 mi12:50:492:25:446:424:53
6:32
#3098
23M
23.00 mi12:59:332:34:286:438:44
6:59
#3088
24M
24.00 mi13:06:202:41:156:436:47
6:47
#3097
40K
24.85 mi13:12:162:47:116:445:56
6:56
#3095
25.2M
25.20 mi13:14:502:49:456:442:34
7:27
#3084
Finish
26.22 mi13:21:482:56:436:456:58
6:50
#3121
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi2231212921294112(Top 15%)3858(Top 25%)3858(Top 188%)
10K6.21 mi3.10 mi2820-5892689-5602689-5603595(Top 14%)3395(Top 22%)3395(Top 165%)
15K9.32 mi3.11 mi3214-3943060-3713060-3714112(Top 15%)3858(Top 25%)3858(Top 188%)
20K12.43 mi3.11 mi3289-753127-673127-673650(Top 14%)3454(Top 23%)3454(Top 168%)
Half13.11 mi0.68 mi3241+483083+443083+442648(Top 10%)2542(Top 17%)2542(Top 124%)
25K15.53 mi2.42 mi3253-123098-153098-153474(Top 13%)3287(Top 22%)3287(Top 160%)
30K18.64 mi3.11 mi3196+573043+553043+553254(Top 12%)3066(Top 20%)3066(Top 149%)
20M20.00 mi1.36 mi3225-293063-203063-204013(Top 15%)3713(Top 24%)3713(Top 181%)
21M21.00 mi1.00 mi3139+862979+842979+842172(Top 8%)2050(Top 14%)2050(Top 100%)
35K21.75 mi0.75 mi3098+412941+382941+382589(Top 10%)2448(Top 16%)2448(Top 119%)
23M23.00 mi1.25 mi3088+102933+82933+83645(Top 14%)3369(Top 22%)3369(Top 164%)
24M24.00 mi1.00 mi3097-92937-42937-43540(Top 13%)3251(Top 21%)3251(Top 158%)
40K24.85 mi0.85 mi3095+22932+52932+53515(Top 13%)3194(Top 21%)3194(Top 156%)
25.2M25.20 mi0.35 mi3084+112922+102922+103582(Top 13%)3210(Top 21%)3210(Top 156%)
Finish26.22 mi1.02 mi3121-372954-322954-324257(Top 16%)3733(Top 25%)3733(Top 182%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4112

Males

3858

M50-54

3858

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3595

Males

3395

M50-54

3395

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4112

Males

3858

M50-54

3858

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3650

Males

3454

M50-54

3454

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2648

Males

2542

M50-54

2542

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3474

Males

3287

M50-54

3287

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3254

Males

3066

M50-54

3066

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4013

Males

3713

M50-54

3713

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2172

Males

2050

M50-54

2050

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2589

Males

2448

M50-54

2448

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3645

Males

3369

M50-54

3369

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3540

Males

3251

M50-54

3251

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3515

Males

3194

M50-54

3194

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3582

Males

3210

M50-54

3210

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4257

Males

3733

M50-54

3733

Passing Analysis

Category:
Athletes Passed
718
Passed By
1608
Net Change
-890
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2231
5K → 10K16605-589#2231#2820
10K → 15K10404-394#2820#3214
15K → 20K62137-75#3214#3289
20K → Half513+48#3289#3241
Half → 25K5870-12#3241#3253
25K → 30K12366+57#3253#3196
30K → 20M4776-29#3196#3225
20M → 21M948+86#3225#3139
21M → 35K487+41#3139#3098
35K → 23M5949+10#3098#3088
23M → 24M3948-9#3088#3097
24M → 40K4442+2#3097#3095
40K → 25.2M2312+11#3095#3084
25.2M → Finish4481-37#3084#3121
TOTALS7181608-890
📊

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