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BOSTON MARATHON 2025

Shinichi Itoi

Bib: 22977•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:06
Rank: #19307
Start → 5K
26:06 | 8:24/mi
10K· 6.21 mi
51:45
Rank: #18785 (+522)
5K → 10K
25:39 | 8:15/mi
15K· 9.32 mi
1:17:38
Rank: #18582 (+203)
10K → 15K
25:53 | 8:20/mi
20K· 12.43 mi
1:43:40
Rank: #18258 (+324)
15K → 20K
26:02 | 8:23/mi
Half· 13.11 mi
1:49:23
Rank: #18260 (-2)
20K → Half
5:43 | 8:23/mi
25K· 15.53 mi
2:09:56
Rank: #18013 (+247)
Half → 25K
20:33 | 8:29/mi
30K· 18.64 mi
2:37:32
Rank: #17791 (+222)
25K → 30K
27:36 | 8:53/mi
20M
2:50:02
Rank: #17786 (+5)
30K → 20M
12:30 | 9:12/mi
21M
2:59:53
Rank: #17790 (-4)
20M → 21M
9:51 | 9:51/mi
35K· 21.75 mi
3:06:36
Rank: #17801 (-11)
21M → 35K
6:43 | 8:59/mi
23M
3:18:14
Rank: #17773 (+28)
35K → 23M
11:38 | 9:17/mi
24M
3:27:32
Rank: #17816 (-43)
23M → 24M
9:18 | 9:18/mi
40K· 24.85 mi
3:35:50
Rank: #17915 (-99)
24M → 40K
8:18 | 9:42/mi
25.2M
3:39:31
Rank: #17958 (-43)
40K → 25.2M
3:41 | 10:41/mi
Finish· 26.22 mi
3:49:17
Rank: #18154 (-196)
25.2M → Finish
9:46 | 9:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:23
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time1:59:54
Pace9:09 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4326:068:2426:06
8:24
-
10K
6.21 mi11:48:2251:458:2025:39
8:15
-0:09
15K
9.32 mi12:14:151:17:388:2025:53
8:20
+0:05
20K
12.43 mi12:40:171:43:408:2126:02
8:23
+0:03
Half
13.11 mi12:46:001:49:238:215:43
8:23
0:00
25K
15.53 mi13:06:332:09:568:2220:33
8:29
+0:06
30K
18.64 mi13:34:092:37:328:2727:36
8:53
+0:24
20M
20.00 mi13:46:392:50:028:3012:30
9:12
+0:19
21M
21.00 mi13:56:302:59:538:349:51
9:51
+0:39
35K
21.75 mi14:03:133:06:368:356:43
8:59
-0:52
23M
23.00 mi14:14:513:18:148:3711:38
9:17
+0:18
24M
24.00 mi14:24:093:27:328:399:18
9:18
+0:01
40K
24.85 mi14:32:273:35:508:418:18
9:42
+0:24
25.2M
25.20 mi14:36:083:39:318:433:41
10:41
+0:59
Finish
26.22 mi14:45:543:49:178:459:46
9:35
-1:06

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

8:15 /mi

Average Pace

8:45 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:56

57% of race

Time at Steady Pace

1:07:45

30% of race

Time at Slower Pace

31:36

14% of race

Average Pace: 8:45 /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 mi11:22:4326:068:2426:06
8:24
#19307
10K
6.21 mi11:48:2251:458:2025:39
8:15
#18785
15K
9.32 mi12:14:151:17:388:2025:53
8:20
#18582
20K
12.43 mi12:40:171:43:408:2126:02
8:23
#18258
Half
13.11 mi12:46:001:49:238:215:43
8:23
#18260
25K
15.53 mi13:06:332:09:568:2220:33
8:29
#18013
30K
18.64 mi13:34:092:37:328:2727:36
8:53
#17791
20M
20.00 mi13:46:392:50:028:3012:30
9:12
#17786
21M
21.00 mi13:56:302:59:538:349:51
9:51
#17790
35K
21.75 mi14:03:133:06:368:356:43
8:59
#17801
23M
23.00 mi14:14:513:18:148:3711:38
9:17
#17773
24M
24.00 mi14:24:093:27:328:399:18
9:18
#17816
40K
24.85 mi14:32:273:35:508:418:18
9:42
#17915
25.2M
25.20 mi14:36:083:39:318:433:41
10:41
#17958
Finish
26.22 mi14:45:543:49:178:459:46
9:35
#18154
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19307121641216418254(Top 64%)11734(Top 73%)11734(Top 932%)
10K6.21 mi3.10 mi18785+52211942+22211942+22218259(Top 64%)11747(Top 73%)11747(Top 933%)
15K9.32 mi3.11 mi18582+20311859+8311859+8318254(Top 64%)11734(Top 73%)11734(Top 932%)
20K12.43 mi3.11 mi18258+32411720+13911720+13917423(Top 61%)11359(Top 71%)11359(Top 902%)
Half13.11 mi0.68 mi18260-211717+311717+318438(Top 65%)11800(Top 73%)11800(Top 937%)
25K15.53 mi2.42 mi18013+24711596+12111596+12117022(Top 60%)11113(Top 69%)11113(Top 883%)
30K18.64 mi3.11 mi17791+22211459+13711459+13717065(Top 60%)10962(Top 68%)10962(Top 871%)
20M20.00 mi1.36 mi17786+511428+3111428+3117766(Top 63%)11147(Top 69%)11147(Top 885%)
21M21.00 mi1.00 mi17790-411423+511423+517679(Top 62%)11004(Top 68%)11004(Top 874%)
35K21.75 mi0.75 mi17801-1111417+611417+618113(Top 64%)11103(Top 69%)11103(Top 882%)
23M23.00 mi1.25 mi17773+2811351+6611351+6617723(Top 62%)10827(Top 67%)10827(Top 860%)
24M24.00 mi1.00 mi17816-4311334+1711334+1718801(Top 66%)11315(Top 70%)11315(Top 899%)
40K24.85 mi0.85 mi17915-9911366-3211366-3219489(Top 69%)11552(Top 72%)11552(Top 918%)
25.2M25.20 mi0.35 mi17958-4311381-1511381-1519618(Top 69%)11601(Top 72%)11601(Top 921%)
Finish26.22 mi1.02 mi18154-19611451-7011451-7021470(Top 76%)12517(Top 78%)12517(Top 994%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18254

Males

11734

M60-64

11734

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

18259

Males

11747

M60-64

11747

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18254

Males

11734

M60-64

11734

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

17423

Males

11359

M60-64

11359

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

18438

Males

11800

M60-64

11800

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

17022

Males

11113

M60-64

11113

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

17065

Males

10962

M60-64

10962

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

17766

Males

11147

M60-64

11147

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

17679

Males

11004

M60-64

11004

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18113

Males

11103

M60-64

11103

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17723

Males

10827

M60-64

10827

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

18801

Males

11315

M60-64

11315

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19489

Males

11552

M60-64

11552

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19618

Males

11601

M60-64

11601

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

21470

Males

12517

M60-64

12517

Passing Analysis

Category:
Athletes Passed
2501
Passed By
1348
Net Change
+1153
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19307
5K → 10K61189+522#19307#18785
10K → 15K305102+203#18785#18582
15K → 20K37349+324#18582#18258
20K → Half3840-2#18258#18260
Half → 25K29548+247#18260#18013
25K → 30K337115+222#18013#17791
30K → 20M124119+5#17791#17786
20M → 21M99103-4#17786#17790
21M → 35K6273-11#17790#17801
35K → 23M12092+28#17801#17773
23M → 24M66109-43#17773#17816
24M → 40K35134-99#17816#17915
40K → 25.2M1457-43#17915#17958
25.2M → Finish22218-196#17958#18154
TOTALS25011348+1153
📊

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