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BOSTON MARATHON 2023

Shinsuke Adachi

Bib: 824•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 4%
Masters (Masters Men)
#0 / 9891
Top 0.7%
Division (M45-49)
#0 / 2252
Top 0.6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:56
Rank: #360
Start → 5K
17:56 | 5:46/mi
10K· 6.21 mi
36:38
Rank: #551 (-191)
5K → 10K
18:42 | 6:01/mi
15K· 9.32 mi
55:22
Rank: #603 (-52)
10K → 15K
18:44 | 6:02/mi
20K· 12.43 mi
1:14:20
Rank: #639 (-36)
15K → 20K
18:58 | 6:06/mi
Half· 13.11 mi
1:18:24
Rank: #636 (+3)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:33:12
Rank: #644 (-8)
Half → 25K
14:48 | 6:06/mi
30K· 18.64 mi
1:52:38
Rank: #657 (-13)
25K → 30K
19:26 | 6:15/mi
20M
2:01:05
Rank: #652 (+5)
30K → 20M
8:27 | 6:13/mi
21M
2:07:29
Rank: #633 (+19)
20M → 21M
6:24 | 6:24/mi
35K· 21.75 mi
2:11:56
Rank: #627 (+6)
21M → 35K
4:27 | 5:57/mi
23M
2:19:33
Rank: #607 (+20)
35K → 23M
7:37 | 6:05/mi
24M
2:25:29
Rank: #597 (+10)
23M → 24M
5:56 | 5:56/mi
40K· 24.85 mi
2:30:43
Rank: #583 (+14)
24M → 40K
5:14 | 6:07/mi
25.2M
2:33:01
Rank: #583
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:38:58
Rank: #571 (+12)
25.2M → Finish
5:57 | 5:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:24
Pace5:59 /mi
2nd Half
Distance13.11 mi
Time1:20:34
Pace6:09 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:5917:565:4617:56
5:46
-
10K
6.21 mi10:36:4136:385:5418:42
6:01
+0:15
15K
9.32 mi10:55:2555:225:5618:44
6:02
+0:01
20K
12.43 mi11:14:231:14:205:5918:58
6:06
+0:04
Half
13.11 mi11:18:271:18:245:594:04
5:58
-0:08
25K
15.53 mi11:33:151:33:126:0014:48
6:06
+0:08
30K
18.64 mi11:52:411:52:386:0319:26
6:15
+0:09
20M
20.00 mi12:01:082:01:056:038:27
6:13
-0:02
21M
21.00 mi12:07:322:07:296:046:24
6:24
+0:11
35K
21.75 mi12:11:592:11:566:044:27
5:57
-0:27
23M
23.00 mi12:19:362:19:336:047:37
6:05
+0:08
24M
24.00 mi12:25:322:25:296:045:56
5:56
-0:09
40K
24.85 mi12:30:462:30:436:045:14
6:07
+0:11
25.2M
25.20 mi12:33:042:33:016:042:18
6:40
+0:33
Finish
26.22 mi12:39:012:38:586:045:57
5:50
-0:50

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

5:46 /mi

Average Pace

6:04 /mi

Slowest Pace

6:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:16

95% of race

Time at Steady Pace

8:42

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:04 /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 mi10:17:5917:565:4617:56
5:46
#360
10K
6.21 mi10:36:4136:385:5418:42
6:01
#551
15K
9.32 mi10:55:2555:225:5618:44
6:02
#603
20K
12.43 mi11:14:231:14:205:5918:58
6:06
#639
Half
13.11 mi11:18:271:18:245:594:04
5:58
#636
25K
15.53 mi11:33:151:33:126:0014:48
6:06
#644
30K
18.64 mi11:52:411:52:386:0319:26
6:15
#657
20M
20.00 mi12:01:082:01:056:038:27
6:13
#652
21M
21.00 mi12:07:322:07:296:046:24
6:24
#633
35K
21.75 mi12:11:592:11:566:044:27
5:57
#627
23M
23.00 mi12:19:362:19:336:047:37
6:05
#607
24M
24.00 mi12:25:322:25:296:045:56
5:56
#597
40K
24.85 mi12:30:462:30:436:045:14
6:07
#583
25.2M
25.20 mi12:33:042:33:016:042:18
6:40
#583
Finish
26.22 mi12:39:012:38:586:045:57
5:50
#571
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi360326326775(Top 3%)729(Top 5%)729(Top 32%)
10K6.21 mi3.10 mi551-191509-183509-183842(Top 3%)795(Top 5%)795(Top 35%)
15K9.32 mi3.11 mi603-52560-51560-51775(Top 3%)729(Top 5%)729(Top 32%)
20K12.43 mi3.11 mi639-36596-36596-36789(Top 3%)745(Top 5%)745(Top 33%)
Half13.11 mi0.68 mi636+3593+3593+3660(Top 2%)620(Top 4%)620(Top 28%)
25K15.53 mi2.42 mi644-8603-10603-10745(Top 3%)704(Top 5%)704(Top 31%)
30K18.64 mi3.11 mi657-13616-13616-13795(Top 3%)755(Top 5%)755(Top 34%)
20M20.00 mi1.36 mi652+5611+5611+5678(Top 3%)641(Top 4%)641(Top 28%)
21M21.00 mi1.00 mi633+19592+19592+19485(Top 2%)451(Top 3%)451(Top 20%)
35K21.75 mi0.75 mi627+6586+6586+6589(Top 2%)551(Top 4%)551(Top 24%)
23M23.00 mi1.25 mi607+20567+19567+19433(Top 2%)405(Top 3%)405(Top 18%)
24M24.00 mi1.00 mi597+10557+10557+10432(Top 2%)405(Top 3%)405(Top 18%)
40K24.85 mi0.85 mi583+14544+13544+13514(Top 2%)485(Top 3%)485(Top 22%)
25.2M25.20 mi0.35 mi583543+1543+1785(Top 3%)746(Top 5%)746(Top 33%)
Finish26.22 mi1.02 mi571+12532+11532+11431(Top 2%)410(Top 3%)410(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

775

Males

729

M45-49

729

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

842

Males

795

M45-49

795

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

775

Males

729

M45-49

729

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

789

Males

745

M45-49

745

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

660

Males

620

M45-49

620

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

745

Males

704

M45-49

704

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

795

Males

755

M45-49

755

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

678

Males

641

M45-49

641

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

485

Males

451

M45-49

451

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

589

Males

551

M45-49

551

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

433

Males

405

M45-49

405

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

432

Males

405

M45-49

405

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

514

Males

485

M45-49

485

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

785

Males

746

M45-49

746

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

431

Males

410

M45-49

410

Passing Analysis

Category:
Athletes Passed
163
Passed By
374
Net Change
-211
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#360
5K → 10K0191-191#360#551
10K → 15K355-52#551#603
15K → 20K642-36#603#639
20K → Half52+3#639#636
Half → 25K1321-8#636#644
25K → 30K2437-13#644#657
30K → 20M127+5#657#652
20M → 21M212+19#652#633
21M → 35K104+6#633#627
35K → 23M211+20#627#607
23M → 24M111+10#607#597
24M → 40K184+14#597#583
40K → 25.2M220#583#583
25.2M → Finish175+12#583#571
TOTALS163374-211
📊

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