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BOSTON MARATHON 2026

Eiji Kasutani

Bib: 10881•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 19%
Gender (Male)
#0 / 16340
Top 31%
Masters (Masters Men)
#0 / 10617
Top 16%
Age Group (M50-54)
#0 / 1868
Top 11%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
20:52
3.11 mi
Rank: #6043
Start → 5K
20:52 | 6:43/mi
10K
42:04
6.21 mi
Rank: #6582 (-539)
5K → 10K
21:12 | 6:50/mi
15K
1:03:16
9.32 mi
Rank: #6706 (-124)
10K → 15K
21:12 | 6:50/mi
20K
1:24:35
12.43 mi
Rank: #6671 (+35)
15K → 20K
21:19 | 6:52/mi
HALF
1:29:12
13.11 mi
Rank: #6671
20K → HALF
4:37 | 6:47/mi
25K
1:45:58
15.53 mi
Rank: #6698 (-27)
HALF → 25K
16:46 | 6:55/mi
30K
2:07:46
18.64 mi
Rank: #6547 (+151)
25K → 30K
21:48 | 7:02/mi
20M
2:17:26
20.00 mi
Rank: #6510 (+37)
30K → 20M
9:40 | 7:07/mi
21M
2:24:50
21.00 mi
Rank: #6452 (+58)
20M → 21M
7:24 | 7:24/mi
35K
2:29:45
21.75 mi
Rank: #6337 (+115)
21M → 35K
4:55 | 6:35/mi
23M
2:38:10
23.00 mi
Rank: #6130 (+207)
35K → 23M
8:25 | 6:44/mi
24M
2:44:43
24.00 mi
Rank: #5957 (+173)
23M → 24M
6:33 | 6:33/mi
40K
2:50:24
24.85 mi
Rank: #5796 (+161)
24M → 40K
5:41 | 6:39/mi
25.2M
2:52:49
25.20 mi
Rank: #5731 (+65)
40K → 25.2M
2:25 | 7:01/mi
FINISH
2:59:22
26.22 mi
Rank: #5625 (+106)
25.2M → FINISH
6:33 | 6:26/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:29:12
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:30:10
Pace6:53 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:3020:526:4320:52
6:43
-
10K
6.21 mi10:59:4242:046:4721:12
6:50
+0:07
15K
9.32 mi11:20:541:03:166:4821:12
6:50
0:00
20K
12.43 mi11:42:131:24:356:4921:19
6:52
+0:02
HALF
13.11 mi11:46:501:29:126:494:37
6:47
-0:05
25K
15.53 mi12:03:361:45:586:5016:46
6:55
+0:08
30K
18.64 mi12:25:242:07:466:5221:48
7:02
+0:07
20M
20.00 mi12:35:042:17:266:539:40
7:07
+0:05
21M
21.00 mi12:42:282:24:506:547:24
7:24
+0:17
35K
21.75 mi12:47:232:29:456:544:55
6:35
-0:49
23M
23.00 mi12:55:482:38:106:538:25
6:44
+0:09
24M
24.00 mi13:02:212:44:436:526:33
6:33
-0:11
40K
24.85 mi13:08:022:50:246:525:41
6:39
+0:06
25.2M
25.20 mi13:10:272:52:496:522:25
7:01
+0:22
FINISH
26.22 mi13:17:002:59:226:516:33
6:26
-0:35

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:51 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:42:18

90% of race

Time at Steady Pace

17:04

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:38:3020:526:4320:52
6:43
#6043
10K
6.21 mi10:59:4242:046:4721:12
6:50
#6582
15K
9.32 mi11:20:541:03:166:4821:12
6:50
#6706
20K
12.43 mi11:42:131:24:356:4921:19
6:52
#6671
HALF
13.11 mi11:46:501:29:126:494:37
6:47
#6671
25K
15.53 mi12:03:361:45:586:5016:46
6:55
#6698
30K
18.64 mi12:25:242:07:466:5221:48
7:02
#6547
20M
20.00 mi12:35:042:17:266:539:40
7:07
#6510
21M
21.00 mi12:42:282:24:506:547:24
7:24
#6452
35K
21.75 mi12:47:232:29:456:544:55
6:35
#6337
23M
23.00 mi12:55:482:38:106:538:25
6:44
#6130
24M
24.00 mi13:02:212:44:436:526:33
6:33
#5957
40K
24.85 mi13:08:022:50:246:525:41
6:39
#5796
25.2M
25.20 mi13:10:272:52:496:522:25
7:01
#5731
FINISH
26.22 mi13:17:002:59:226:516:33
6:26
#5625
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6043550555057032(Top 24%)6192(Top 38%)6192(Top 331%)
10K6.21 mi3.10 mi6582-5395912-4075912-4077200(Top 25%)6332(Top 39%)6332(Top 339%)
15K9.32 mi3.11 mi6706-1245986-745986-747032(Top 24%)6192(Top 38%)6192(Top 331%)
20K12.43 mi3.11 mi6671+355953+335953+336741(Top 23%)5958(Top 36%)5958(Top 319%)
HALF13.11 mi0.68 mi66715952+15952+16779(Top 23%)5997(Top 37%)5997(Top 321%)
25K15.53 mi2.42 mi6698-275964-125964-126780(Top 23%)5950(Top 36%)5950(Top 319%)
30K18.64 mi3.11 mi6547+1515830+1345830+1346021(Top 21%)5316(Top 33%)5316(Top 285%)
20M20.00 mi1.36 mi6510+375783+475783+476341(Top 22%)5463(Top 33%)5463(Top 292%)
21M21.00 mi1.00 mi6452+585736+475736+475842(Top 20%)5009(Top 31%)5009(Top 268%)
35K21.75 mi0.75 mi6337+1155634+1025634+1024067(Top 14%)3698(Top 23%)3698(Top 198%)
23M23.00 mi1.25 mi6130+2075476+1585476+1583649(Top 13%)3323(Top 20%)3323(Top 178%)
24M24.00 mi1.00 mi5957+1735333+1435333+1433463(Top 12%)3141(Top 19%)3141(Top 168%)
40K24.85 mi0.85 mi5796+1615199+1345199+1343333(Top 11%)3007(Top 18%)3007(Top 161%)
25.2M25.20 mi0.35 mi5731+655148+515148+512731(Top 9%)2495(Top 15%)2495(Top 134%)
FINISH26.22 mi1.02 mi5625+1065055+935055+933734(Top 13%)3268(Top 20%)3268(Top 175%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21
+97ft-345ft

Overall

7032

Males

6192

M50-54

6192

5K→10K

3.1 - 6.2 mi

Top 25%
×5
+79ft-138ft

Overall

7200

Males

6332

M50-54

6332

10K→15K

6.2 - 9.3 mi

Top 24%
×3
+67ft-78ft

Overall

7032

Males

6192

M50-54

6192

15K→20K

9.3 - 12.4 mi

Top 23%
×5
+106ft-86ft

Overall

6741

Males

5958

M50-54

5958

20K→HALF

12.4 - 13.1 mi

Top 23%
×2
+19ft-37ft

Overall

6779

Males

5997

M50-54

5997

HALF→25K

13.1 - 15.5 mi

Top 23%
×4
+66ft-88ft

Overall

6780

Males

5950

M50-54

5950

25K→30K

15.5 - 18.6 mi

Top 21%
×9
+181ft-148ft

Overall

6021

Males

5316

M50-54

5316

30K→20M

18.6 - 20.0 mi

Top 22%
×5
+64ft-50ft

Overall

6341

Males

5463

M50-54

5463

20M→21M

20.0 - 21.0 mi

Top 20%
×8
+106ft-24ft

Overall

5842

Males

5009

M50-54

5009

21M→35K

21.0 - 21.8 mi

Top 14%
×7
+17ft-86ft

Overall

4067

Males

3698

M50-54

3698

35K→23M

21.8 - 23.0 mi

Top 13%
×5
+23ft-63ft

Overall

3649

Males

3323

M50-54

3323

23M→24M

23.0 - 24.0 mi

Top 12%
×6
+12ft-82ft

Overall

3463

Males

3141

M50-54

3141

24M→40K

24.0 - 24.9 mi

Top 11%
×1
+6ft-20ft

Overall

3333

Males

3007

M50-54

3007

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1
+13ft-16ft

Overall

2731

Males

2495

M50-54

2495

25.2M→FINISH

25.2 - 26.2 mi

Top 13%
×2
+22ft-21ft

Overall

3734

Males

3268

M50-54

3268

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1685
Passed By
1267
Net Change
+418
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6043
5K → 10K58597-539#6043#6582
10K → 15K92216-124#6582#6706
15K → 20K151116+35#6706#6671
20K → HALF22220#6671#6671
HALF → 25K102129-27#6671#6698
25K → 30K22271+151#6698#6547
30K → 20M9356+37#6547#6510
20M → 21M9032+58#6510#6452
21M → 35K1172+115#6452#6337
35K → 23M2081+207#6337#6130
23M → 24M1785+173#6130#5957
24M → 40K1643+161#5957#5796
40K → 25.2M683+65#5796#5731
25.2M → FINISH12014+106#5731#5625
TOTALS16851267+418
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing