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BOSTON MARATHON 2023

Hideyuki Ishii

Bib: 16823•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
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
7:50/mi
24:21
↑ 97↓ 3451.5%
10K· 6.21 mi
7:50/mi
48:40
↑ 79↓ 1380.4%
15K· 9.32 mi
8:00/mi
1:13:30
↑ 67↓ 78
20K· 12.43 mi
8:18/mi
1:39:16
↑ 106↓ 860.1%
Half· 13.11 mi
8:23/mi
1:44:59
↑ 19↓ 370.5%
25K· 15.53 mi
8:32/mi
2:05:41
↑ 66↓ 880.2%
30K· 18.64 mi
9:18/mi
2:34:34
↑ 181↓ 1480.2%
20M
10:00/mi
2:48:09
↑ 64↓ 500.2%
21M
10:44/mi
2:58:53
↑ 106↓ 241.6%
35K· 21.75 mi
9:53/mi
3:06:17
↑ 17↓ 861.7%
23M
10:09/mi
3:18:59
↑ 23↓ 630.6%
24M
10:07/mi
3:29:06
↓ 821.3%
40K· 24.85 mi
10:02/mi
3:37:41
↓ 200.3%
25.2M
10:26/mi
3:41:17
↑ 13↓ 160.2%
Finish· 26.22 mi
9:04/mi
3:50:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:59
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time2:05:32
Pace9:35 /mi
📊Positive Split: 19.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3424:217:5024:21
7:50
-
10K
6.21 mi11:38:5348:407:5024:19
7:50
0:00
15K
9.32 mi12:03:431:13:307:5324:50
8:00
+0:10
20K
12.43 mi12:29:291:39:167:5925:46
8:18
+0:18
Half
13.11 mi12:35:121:44:598:005:43
8:23
+0:05
25K
15.53 mi12:55:542:05:418:0520:42
8:32
+0:09
30K
18.64 mi13:24:472:34:348:1828:53
9:18
+0:46
20M
20.00 mi13:38:222:48:098:2413:35
10:00
+0:42
21M
21.00 mi13:49:062:58:538:3110:44
10:44
+0:44
35K
21.75 mi13:56:303:06:178:347:24
9:53
-0:51
23M
23.00 mi14:09:123:18:598:3912:42
10:09
+0:16
24M
24.00 mi14:19:193:29:068:4310:07
10:07
-0:02
40K
24.85 mi14:27:543:37:418:458:35
10:02
-0:05
25.2M
25.20 mi14:31:303:41:178:473:36
10:26
+0:24
Finish
26.22 mi14:40:443:50:318:489:14
9:04
-1:22

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

7:50 /mi

Average Pace

8:48 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:41

55% of race

Time at Steady Pace

38:07

17% of race

Time at Slower Pace

1:06:43

29% of race

Average Pace: 8:47 /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 mi11:14:3424:217:5024:21
7:50
#12724
10K
6.21 mi11:38:5348:407:5024:19
7:50
#12994
15K
9.32 mi12:03:431:13:307:5324:50
8:00
#13456
20K
12.43 mi12:29:291:39:167:5925:46
8:18
#14007
Half
13.11 mi12:35:121:44:598:005:43
8:23
#14175
25K
15.53 mi12:55:542:05:418:0520:42
8:32
#14588
30K
18.64 mi13:24:472:34:348:1828:53
9:18
#15410
20M
20.00 mi13:38:222:48:098:2413:35
10:00
#15946
21M
21.00 mi13:49:062:58:538:3110:44
10:44
#16304
35K
21.75 mi13:56:303:06:178:347:24
9:53
#16553
23M
23.00 mi14:09:123:18:598:3912:42
10:09
#16881
24M
24.00 mi14:19:193:29:068:4310:07
10:07
#17167
40K
24.85 mi14:27:543:37:418:458:35
10:02
#17343
25.2M
25.20 mi14:31:303:41:178:473:36
10:26
#17397
Finish
26.22 mi14:40:443:50:318:489:14
9:04
#17447
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi127249423942314332(Top 54%)10037(Top 66%)10037(Top 706%)
10K6.21 mi3.10 mi12994-2709533-1109533-11013360(Top 50%)9710(Top 64%)9710(Top 683%)
15K9.32 mi3.11 mi13456-4629717-1849717-18414332(Top 54%)10037(Top 66%)10037(Top 706%)
20K12.43 mi3.11 mi14007-5519897-1809897-18015569(Top 58%)10477(Top 69%)10477(Top 737%)
Half13.11 mi0.68 mi14175-1689973-769973-7616979(Top 64%)11077(Top 73%)11077(Top 779%)
25K15.53 mi2.42 mi14588-41310109-13610109-13616415(Top 62%)10720(Top 71%)10720(Top 754%)
30K18.64 mi3.11 mi15410-82210368-25910368-25918609(Top 70%)11607(Top 76%)11607(Top 816%)
20M20.00 mi1.36 mi15946-53610558-19010558-19020461(Top 77%)12327(Top 81%)12327(Top 867%)
21M21.00 mi1.00 mi16304-35810687-12910687-12920207(Top 76%)12148(Top 80%)12148(Top 854%)
35K21.75 mi0.75 mi16553-24910787-10010787-10020959(Top 79%)12461(Top 82%)12461(Top 876%)
23M23.00 mi1.25 mi16881-32810908-12110908-12120404(Top 77%)12202(Top 80%)12202(Top 858%)
24M24.00 mi1.00 mi17167-28611011-10311011-10321097(Top 79%)12466(Top 82%)12466(Top 877%)
40K24.85 mi0.85 mi17343-17611070-5911070-5920061(Top 75%)11945(Top 79%)11945(Top 840%)
25.2M25.20 mi0.35 mi17397-5411087-1711087-1718868(Top 71%)11403(Top 75%)11403(Top 802%)
Finish26.22 mi1.02 mi17447-5011097-1011097-1018261(Top 69%)11194(Top 74%)11194(Top 787%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14332

Males

10037

M55-59

10037

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13360

Males

9710

M55-59

9710

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14332

Males

10037

M55-59

10037

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15569

Males

10477

M55-59

10477

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

16979

Males

11077

M55-59

11077

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

16415

Males

10720

M55-59

10720

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18609

Males

11607

M55-59

11607

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

20461

Males

12327

M55-59

12327

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

20207

Males

12148

M55-59

12148

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

20959

Males

12461

M55-59

12461

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

20404

Males

12202

M55-59

12202

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

21097

Males

12466

M55-59

12466

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

20061

Males

11945

M55-59

11945

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18868

Males

11403

M55-59

11403

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

18261

Males

11194

M55-59

11194

Passing Analysis

Category:
Athletes Passed
613
Passed By
5336
Net Change
-4723
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12724
5K → 10K198468-270#12724#12994
10K → 15K82544-462#12994#13456
15K → 20K65616-551#13456#14007
20K → Half3171-168#14007#14175
Half → 25K58471-413#14175#14588
25K → 30K36858-822#14588#15410
30K → 20M17553-536#15410#15946
20M → 21M16374-358#15946#16304
21M → 35K12261-249#16304#16553
35K → 23M25353-328#16553#16881
23M → 24M13299-286#16881#17167
24M → 40K24200-176#17167#17343
40K → 25.2M1872-54#17343#17397
25.2M → Finish4696-50#17397#17447
TOTALS6135336-4723
📊

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