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BOSTON MARATHON 2023

Derek Yamamoto

Bib: 3010•M

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 23%
Gender (Male)
#0 / 15176
Top 37%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:26
Rank: #7610
Start → 5K
22:26 | 7:13/mi
10K· 6.21 mi
44:30
Rank: #7493 (+117)
5K → 10K
22:04 | 7:06/mi
15K· 9.32 mi
1:06:38
Rank: #7405 (+88)
10K → 15K
22:08 | 7:07/mi
20K· 12.43 mi
1:29:15
Rank: #7412 (-7)
15K → 20K
22:37 | 7:17/mi
Half· 13.11 mi
1:34:05
Rank: #7386 (+26)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:51:30
Rank: #7240 (+146)
Half → 25K
17:25 | 7:11/mi
30K· 18.64 mi
2:13:58
Rank: #6913 (+327)
25K → 30K
22:28 | 7:14/mi
20M
2:23:43
Rank: #6740 (+173)
30K → 20M
9:45 | 7:10/mi
21M
2:31:06
Rank: #6553 (+187)
20M → 21M
7:23 | 7:23/mi
35K· 21.75 mi
2:36:33
Rank: #6535 (+18)
21M → 35K
5:27 | 7:17/mi
23M
2:45:45
Rank: #6441 (+94)
35K → 23M
9:12 | 7:21/mi
24M
2:52:56
Rank: #6355 (+86)
23M → 24M
7:11 | 7:11/mi
40K· 24.85 mi
2:59:14
Rank: #6299 (+56)
24M → 40K
6:18 | 7:22/mi
25.2M
3:01:57
Rank: #6286 (+13)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:09:10
Rank: #6227 (+59)
25.2M → Finish
7:13 | 7:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:05
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:35:05
Pace7:15 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5522:267:1322:26
7:13
-
10K
6.21 mi10:45:5944:307:1022:04
7:06
-0:07
15K
9.32 mi11:08:071:06:387:0922:08
7:07
+0:01
20K
12.43 mi11:30:441:29:157:1122:37
7:17
+0:10
Half
13.11 mi11:35:341:34:057:114:50
7:05
-0:12
25K
15.53 mi11:52:591:51:307:1117:25
7:11
+0:06
30K
18.64 mi12:15:272:13:587:1122:28
7:14
+0:03
20M
20.00 mi12:25:122:23:437:119:45
7:10
-0:04
21M
21.00 mi12:32:352:31:067:127:23
7:23
+0:13
35K
21.75 mi12:38:022:36:337:125:27
7:17
-0:06
23M
23.00 mi12:47:142:45:457:129:12
7:21
+0:04
24M
24.00 mi12:54:252:52:567:127:11
7:11
-0:10
40K
24.85 mi13:00:432:59:147:136:18
7:22
+0:11
25.2M
25.20 mi13:03:263:01:577:132:43
7:53
+0:31
Finish
26.22 mi13:10:393:09:107:137:13
7:05
-0:48

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

7:05 /mi

Average Pace

7:13 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:27

99% of race

Time at Steady Pace

2:43

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:13 /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 mi10:23:5522:267:1322:26
7:13
#7610
10K
6.21 mi10:45:5944:307:1022:04
7:06
#7493
15K
9.32 mi11:08:071:06:387:0922:08
7:07
#7405
20K
12.43 mi11:30:441:29:157:1122:37
7:17
#7412
Half
13.11 mi11:35:341:34:057:114:50
7:05
#7386
25K
15.53 mi11:52:591:51:307:1117:25
7:11
#7240
30K
18.64 mi12:15:272:13:587:1122:28
7:14
#6913
20M
20.00 mi12:25:122:23:437:119:45
7:10
#6740
21M
21.00 mi12:32:352:31:067:127:23
7:23
#6553
35K
21.75 mi12:38:022:36:337:125:27
7:17
#6535
23M
23.00 mi12:47:142:45:457:129:12
7:21
#6441
24M
24.00 mi12:54:252:52:567:127:11
7:11
#6355
40K
24.85 mi13:00:432:59:147:136:18
7:22
#6299
25.2M
25.20 mi13:03:263:01:577:132:43
7:53
#6286
Finish
26.22 mi13:10:393:09:107:137:13
7:05
#6227
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7610672367237292(Top 27%)6447(Top 42%)6447(Top 122%)
10K6.21 mi3.10 mi7493+1176628+956628+957452(Top 28%)6562(Top 43%)6562(Top 124%)
15K9.32 mi3.11 mi7405+886558+706558+707292(Top 27%)6447(Top 42%)6447(Top 122%)
20K12.43 mi3.11 mi7412-76546+126546+127617(Top 29%)6636(Top 44%)6636(Top 126%)
Half13.11 mi0.68 mi7386+266527+196527+197010(Top 26%)6227(Top 41%)6227(Top 118%)
25K15.53 mi2.42 mi7240+1466411+1166411+1166573(Top 25%)5843(Top 39%)5843(Top 111%)
30K18.64 mi3.11 mi6913+3276145+2666145+2665663(Top 21%)5123(Top 34%)5123(Top 97%)
20M20.00 mi1.36 mi6740+1736009+1366009+1365003(Top 19%)4549(Top 30%)4549(Top 86%)
21M21.00 mi1.00 mi6553+1875853+1565853+1564080(Top 15%)3758(Top 25%)3758(Top 71%)
35K21.75 mi0.75 mi6535+185832+215832+216993(Top 26%)5878(Top 39%)5878(Top 111%)
23M23.00 mi1.25 mi6441+945750+825750+825562(Top 21%)4885(Top 32%)4885(Top 92%)
24M24.00 mi1.00 mi6355+865677+735677+735645(Top 21%)4877(Top 32%)4877(Top 92%)
40K24.85 mi0.85 mi6299+565623+545623+545870(Top 22%)4936(Top 33%)4936(Top 93%)
25.2M25.20 mi0.35 mi6286+135609+145609+145779(Top 22%)4799(Top 32%)4799(Top 91%)
Finish26.22 mi1.02 mi6227+595555+545555+545703(Top 21%)4730(Top 31%)4730(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7292

Males

6447

M18-39

6447

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7452

Males

6562

M18-39

6562

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7292

Males

6447

M18-39

6447

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7617

Males

6636

M18-39

6636

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7010

Males

6227

M18-39

6227

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6573

Males

5843

M18-39

5843

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5663

Males

5123

M18-39

5123

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5003

Males

4549

M18-39

4549

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4080

Males

3758

M18-39

3758

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6993

Males

5878

M18-39

5878

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5562

Males

4885

M18-39

4885

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5645

Males

4877

M18-39

4877

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5870

Males

4936

M18-39

4936

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5779

Males

4799

M18-39

4799

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5703

Males

4730

M18-39

4730

Passing Analysis

Category:
Athletes Passed
1937
Passed By
554
Net Change
+1383
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7610
5K → 10K279162+117#7610#7493
10K → 15K17789+88#7493#7405
15K → 20K111118-7#7405#7412
20K → Half4014+26#7412#7386
Half → 25K16620+146#7386#7240
25K → 30K34013+327#7240#6913
30K → 20M1796+173#6913#6740
20M → 21M1903+187#6740#6553
21M → 35K5234+18#6553#6535
35K → 23M11622+94#6535#6441
23M → 24M10216+86#6441#6355
24M → 40K7923+56#6355#6299
40K → 25.2M2613+13#6299#6286
25.2M → Finish8021+59#6286#6227
TOTALS1937554+1383
📊

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