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BOSTON MARATHON 2023

Shotaro Muto

Bib: 31849•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 28%
Gender (Male)
#0 / 15176
Top 42%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:53/mi
27:36
↑ 97↓ 3451.5%
10K· 6.21 mi
6:37/mi
48:09
↑ 79↓ 1380.4%
15K· 9.32 mi
6:26/mi
1:08:08
↑ 67↓ 78
20K· 12.43 mi
6:45/mi
1:29:06
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:34:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:40/mi
1:52:55
↑ 66↓ 880.2%
30K· 18.64 mi
7:40/mi
2:16:45
↑ 181↓ 1480.2%
20M
7:40/mi
2:27:10
↑ 64↓ 500.2%
21M
8:32/mi
2:35:42
↑ 106↓ 241.6%
35K· 21.75 mi
7:30/mi
2:41:19
↑ 17↓ 861.7%
23M
7:12/mi
2:50:20
↑ 23↓ 630.6%
24M
7:07/mi
2:57:27
↓ 821.3%
40K· 24.85 mi
7:19/mi
3:03:42
↓ 200.3%
25.2M
8:10/mi
3:06:31
↑ 13↓ 160.2%
Finish· 26.22 mi
7:23/mi
3:14:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:20
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:39:42
Pace7:36 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:1827:368:5327:36
8:53
-
10K
6.21 mi12:09:5148:097:4520:33
6:37
-2:16
15K
9.32 mi12:29:501:08:087:1919:59
6:26
-0:11
20K
12.43 mi12:50:481:29:067:1020:58
6:45
+0:19
Half
13.11 mi12:56:021:34:207:125:14
7:40
+0:55
25K
15.53 mi13:14:371:52:557:1618:35
7:40
0:00
30K
18.64 mi13:38:272:16:457:2023:49
7:40
0:00
20M
20.00 mi13:48:522:27:107:2110:25
7:40
0:00
21M
21.00 mi13:57:242:35:427:258:32
8:32
+0:52
35K
21.75 mi14:03:012:41:197:255:37
7:30
-1:02
23M
23.00 mi14:12:022:50:207:249:01
7:12
-0:18
24M
24.00 mi14:19:092:57:277:247:07
7:07
-0:05
40K
24.85 mi14:25:243:03:427:236:15
7:19
+0:12
25.2M
25.20 mi14:28:133:06:317:242:49
8:10
+0:51
Finish
26.22 mi14:35:443:14:027:247:31
7:23
-0:47

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

6:26 /mi

Average Pace

7:24 /mi

Slowest Pace

8:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:37

35% of race

Time at Steady Pace

1:26:28

45% of race

Time at Slower Pace

38:57

20% of race

Average Pace: 7:24 /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 mi11:49:1827:368:5327:36
8:53
#19897
10K
6.21 mi12:09:5148:097:4520:33
6:37
#12249
15K
9.32 mi12:29:501:08:087:1919:59
6:26
#8523
20K
12.43 mi12:50:481:29:067:1020:58
6:45
#7341
Half
13.11 mi12:56:021:34:207:125:14
7:40
#7516
25K
15.53 mi13:14:371:52:557:1618:35
7:40
#7859
30K
18.64 mi13:38:272:16:457:2023:49
7:40
#7889
20M
20.00 mi13:48:522:27:107:2110:25
7:40
#7854
21M
21.00 mi13:57:242:35:427:258:32
8:32
#7983
35K
21.75 mi14:03:012:41:197:255:37
7:30
#7989
23M
23.00 mi14:12:022:50:207:249:01
7:12
#7725
24M
24.00 mi14:19:092:57:277:247:07
7:07
#7583
40K
24.85 mi14:25:243:03:427:236:15
7:19
#7471
25.2M
25.20 mi14:28:133:06:317:242:49
8:10
#7470
Finish
26.22 mi14:35:443:14:027:247:31
7:23
#7462
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1989712134121342282(Top 9%)2191(Top 14%)2191(Top 41%)
10K6.21 mi3.10 mi12249+76489227+29079227+29073613(Top 14%)3413(Top 22%)3413(Top 65%)
15K9.32 mi3.11 mi8523+37267281+19467281+19462282(Top 9%)2191(Top 14%)2191(Top 41%)
20K12.43 mi3.11 mi7341+11826497+7846497+7843975(Top 15%)3741(Top 25%)3741(Top 71%)
Half13.11 mi0.68 mi7516-1756615-1186615-11811531(Top 43%)8844(Top 58%)8844(Top 167%)
25K15.53 mi2.42 mi7859-3436821-2066821-20610052(Top 38%)8010(Top 53%)8010(Top 152%)
30K18.64 mi3.11 mi7889-306807+146807+148427(Top 32%)6939(Top 46%)6939(Top 131%)
20M20.00 mi1.36 mi7854+356763+446763+447985(Top 30%)6576(Top 43%)6576(Top 124%)
21M21.00 mi1.00 mi7983-1296832-696832-6910641(Top 40%)7921(Top 52%)7921(Top 150%)
35K21.75 mi0.75 mi7989-66819+136819+138548(Top 32%)6822(Top 45%)6822(Top 129%)
23M23.00 mi1.25 mi7725+2646636+1836636+1834803(Top 18%)4319(Top 28%)4319(Top 82%)
24M24.00 mi1.00 mi7583+1426523+1136523+1135301(Top 20%)4646(Top 31%)4646(Top 88%)
40K24.85 mi0.85 mi7471+1126420+1036420+1035520(Top 21%)4707(Top 31%)4707(Top 89%)
25.2M25.20 mi0.35 mi7470+16412+86412+87447(Top 28%)5847(Top 39%)5847(Top 111%)
Finish26.22 mi1.02 mi7462+86391+216391+217603(Top 29%)5932(Top 39%)5932(Top 112%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21story building
+97ft-345ft

Overall

2282

Males

2191

M18-39

2191

5K→10K

3.1 - 6.2 mi

Top 14%
×5story building
+79ft-138ft

Overall

3613

Males

3413

M18-39

3413

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+67ft-78ft

Overall

2282

Males

2191

M18-39

2191

15K→20K

9.3 - 12.4 mi

Top 15%
×5story building
+106ft-86ft

Overall

3975

Males

3741

M18-39

3741

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11531

Males

8844

M18-39

8844

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10052

Males

8010

M18-39

8010

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8427

Males

6939

M18-39

6939

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

7985

Males

6576

M18-39

6576

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10641

Males

7921

M18-39

7921

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8548

Males

6822

M18-39

6822

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

4803

Males

4319

M18-39

4319

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5301

Males

4646

M18-39

4646

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5520

Males

4707

M18-39

4707

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7447

Males

5847

M18-39

5847

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

7603

Males

5932

M18-39

5932

Passing Analysis

Category:
Athletes Passed
13492*
Passed By
1057
Net Change
+12435
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19897
5K → 10K76480+7648#19897#12249
10K → 15K3726*0+3726#12249#8523
15K → 20K11820+1182#8523#7341
20K → Half2177-175#7341#7516
Half → 25K22365-343#7516#7859
25K → 30K124154-30#7859#7889
30K → 20M8449+35#7889#7854
20M → 21M35164-129#7854#7983
21M → 35K3844-6#7983#7989
35K → 23M2717+264#7989#7725
23M → 24M1486+142#7725#7583
24M → 40K12311+112#7583#7471
40K → 25.2M1817+1#7471#7470
25.2M → Finish7163+8#7470#7462
TOTALS13492*1057+12435

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

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