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BOSTON MARATHON 2023

Masaichi Eda

Bib: 17368•M

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 42%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 47%
Division (M55-59)
#0 / 1422
Top 31%
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
7:51/mi
24:23
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
47:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:35/mi
1:11:25
↑ 67↓ 78
20K· 12.43 mi
7:47/mi
1:35:37
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:40:52
↑ 19↓ 370.5%
25K· 15.53 mi
7:45/mi
1:59:40
↑ 66↓ 880.2%
30K· 18.64 mi
8:00/mi
2:24:30
↑ 181↓ 1480.2%
20M
8:06/mi
2:35:30
↑ 64↓ 500.2%
21M
8:41/mi
2:44:11
↑ 106↓ 241.6%
35K· 21.75 mi
7:59/mi
2:50:09
↑ 17↓ 861.7%
23M
8:21/mi
3:00:36
↑ 23↓ 630.6%
24M
8:09/mi
3:08:45
↓ 821.3%
40K· 24.85 mi
8:12/mi
3:15:46
↓ 200.3%
25.2M
9:02/mi
3:18:53
↑ 13↓ 160.2%
Finish· 26.22 mi
7:55/mi
3:26:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:52
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:46:05
Pace8:06 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5624:237:5124:23
7:51
-
10K
6.21 mi11:38:2547:527:4223:29
7:34
-0:17
15K
9.32 mi12:01:581:11:257:4023:33
7:35
+0:01
20K
12.43 mi12:26:101:35:377:4224:12
7:47
+0:12
Half
13.11 mi12:31:251:40:527:425:15
7:42
-0:05
25K
15.53 mi12:50:131:59:407:4218:48
7:45
+0:03
30K
18.64 mi13:15:032:24:307:4524:50
8:00
+0:15
20M
20.00 mi13:26:032:35:307:4611:00
8:06
+0:06
21M
21.00 mi13:34:442:44:117:498:41
8:41
+0:35
35K
21.75 mi13:40:422:50:097:495:58
7:59
-0:42
23M
23.00 mi13:51:093:00:367:5110:27
8:21
+0:22
24M
24.00 mi13:59:183:08:457:528:09
8:09
-0:12
40K
24.85 mi14:06:193:15:467:537:01
8:12
+0:03
25.2M
25.20 mi14:09:263:18:537:543:07
9:02
+0:50
Finish
26.22 mi14:17:303:26:577:548:04
7:55
-1:07

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

7:34 /mi

Average Pace

7:54 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:42

89% of race

Time at Steady Pace

19:08

9% of race

Time at Slower Pace

3:07

2% of race

Average Pace: 7:54 /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 mi11:14:5624:237:5124:23
7:51
#12805
10K
6.21 mi11:38:2547:527:4223:29
7:34
#11836
15K
9.32 mi12:01:581:11:257:4023:33
7:35
#11461
20K
12.43 mi12:26:101:35:377:4224:12
7:47
#11481
Half
13.11 mi12:31:251:40:527:425:15
7:42
#11484
25K
15.53 mi12:50:131:59:407:4218:48
7:45
#11327
30K
18.64 mi13:15:032:24:307:4524:50
8:00
#11177
20M
20.00 mi13:26:032:35:307:4611:00
8:06
#11140
21M
21.00 mi13:34:442:44:117:498:41
8:41
#11144
35K
21.75 mi13:40:422:50:097:495:58
7:59
#11174
23M
23.00 mi13:51:093:00:367:5110:27
8:21
#11223
24M
24.00 mi13:59:183:08:457:528:09
8:09
#11281
40K
24.85 mi14:06:193:15:467:537:01
8:12
#11262
25.2M
25.20 mi14:09:263:18:537:543:07
9:02
#11293
Finish
26.22 mi14:17:303:26:577:548:04
7:55
#11270
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi128059457945710828(Top 41%)8566(Top 56%)8566(Top 602%)
10K6.21 mi3.10 mi11836+9699037+4209037+42010935(Top 41%)8641(Top 57%)8641(Top 608%)
15K9.32 mi3.11 mi11461+3758869+1688869+16810828(Top 41%)8566(Top 56%)8566(Top 602%)
20K12.43 mi3.11 mi11481-208858+118858+1111641(Top 44%)8864(Top 58%)8864(Top 623%)
Half13.11 mi0.68 mi11484-38853+58853+511787(Top 44%)8972(Top 59%)8972(Top 631%)
25K15.53 mi2.42 mi11327+1578761+928761+9210725(Top 40%)8361(Top 55%)8361(Top 588%)
30K18.64 mi3.11 mi11177+1508643+1188643+11810839(Top 41%)8265(Top 54%)8265(Top 581%)
20M20.00 mi1.36 mi11140+378614+298614+2910968(Top 41%)8240(Top 54%)8240(Top 579%)
21M21.00 mi1.00 mi11144-48599+158599+1511545(Top 43%)8364(Top 55%)8364(Top 588%)
35K21.75 mi0.75 mi11174-308600-18600-111906(Top 45%)8517(Top 56%)8517(Top 599%)
23M23.00 mi1.25 mi11223-498592+88592+812195(Top 46%)8551(Top 56%)8551(Top 601%)
24M24.00 mi1.00 mi11281-588598-68598-612226(Top 46%)8499(Top 56%)8499(Top 598%)
40K24.85 mi0.85 mi11262+198557+418557+4111379(Top 43%)8013(Top 53%)8013(Top 564%)
25.2M25.20 mi0.35 mi11293-318563-68563-612675(Top 48%)8588(Top 57%)8588(Top 604%)
Finish26.22 mi1.02 mi11270+238529+348529+3411490(Top 43%)8038(Top 53%)8038(Top 565%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10828

Males

8566

M55-59

8566

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10935

Males

8641

M55-59

8641

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10828

Males

8566

M55-59

8566

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11641

Males

8864

M55-59

8864

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11787

Males

8972

M55-59

8972

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10725

Males

8361

M55-59

8361

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10839

Males

8265

M55-59

8265

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

10968

Males

8240

M55-59

8240

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11545

Males

8364

M55-59

8364

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

11906

Males

8517

M55-59

8517

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

12195

Males

8551

M55-59

8551

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12226

Males

8499

M55-59

8499

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11379

Males

8013

M55-59

8013

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12675

Males

8588

M55-59

8588

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11490

Males

8038

M55-59

8038

Passing Analysis

Category:
Athletes Passed
2620
Passed By
1085
Net Change
+1535
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12805
5K → 10K103061+969#12805#11836
10K → 15K42449+375#11836#11461
15K → 20K154174-20#11461#11481
20K → Half3134-3#11481#11484
Half → 25K19740+157#11484#11327
25K → 30K261111+150#11327#11177
30K → 20M10063+37#11177#11140
20M → 21M9195-4#11140#11144
21M → 35K3464-30#11144#11174
35K → 23M72121-49#11174#11223
23M → 24M48106-58#11223#11281
24M → 40K7051+19#11281#11262
40K → 25.2M2859-31#11262#11293
25.2M → Finish8057+23#11293#11270
TOTALS26201085+1535
📊

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