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BOSTON MARATHON 2026

Hiromasa Nishiyama

Bib: 3681β€’M

IN

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 8%
Gender (Male)
#0 / 16340
Top 14%
Masters (Masters Men)
#0 / 10617
Top 4%
Age Group (M45-49)
#0 / 2413
Top 4%
Race Day Weather
51Β°/41Β°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
19:14
3.11 mi
Rank: #2063
Start β†’ 5K
19:14 | 6:12/mi
10K
38:22
6.21 mi
Rank: #2060 (+3)
5K β†’ 10K
19:08 | 6:10/mi
15K
57:40
9.32 mi
Rank: #2142 (-82)
10K β†’ 15K
19:18 | 6:13/mi
20K
1:17:23
12.43 mi
Rank: #2264 (-122)
15K β†’ 20K
19:43 | 6:21/mi
HALF
1:21:38
13.11 mi
Rank: #2276 (-12)
20K β†’ HALF
4:15 | 6:15/mi
25K
1:37:07
15.53 mi
Rank: #2332 (-56)
HALF β†’ 25K
15:29 | 6:24/mi
30K
1:57:25
18.64 mi
Rank: #2380 (-48)
25K β†’ 30K
20:18 | 6:33/mi
20M
2:06:14
20.00 mi
Rank: #2377 (+3)
30K β†’ 20M
8:49 | 6:30/mi
21M
2:13:06
21.00 mi
Rank: #2377
20M β†’ 21M
6:52 | 6:52/mi
35K
2:17:48
21.75 mi
Rank: #2354 (+23)
21M β†’ 35K
4:42 | 6:17/mi
23M
2:26:04
23.00 mi
Rank: #2359 (-5)
35K β†’ 23M
8:16 | 6:37/mi
24M
2:32:33
24.00 mi
Rank: #2363 (-4)
23M β†’ 24M
6:29 | 6:29/mi
40K
2:38:23
24.85 mi
Rank: #2402 (-39)
24M β†’ 40K
5:50 | 6:50/mi
25.2M
2:40:53
25.20 mi
Rank: #2410 (-8)
40K β†’ 25.2M
2:30 | 7:15/mi
FINISH
2:47:35
26.22 mi
Rank: #2461 (-51)
25.2M β†’ FINISH
6:42 | 6:35/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:21:38
Pace6:14 /mi
2nd Half
Distance13.11 mi
Time1:25:57
Pace6:34 /mi
πŸ“ŠPositive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3519:146:1219:14
6:12
-
10K
6.21 mi10:39:4338:226:1119:08
6:10
-0:02
15K
9.32 mi10:59:0157:406:1219:18
6:13
+0:03
20K
12.43 mi11:18:441:17:236:1419:43
6:21
+0:08
HALF
13.11 mi11:22:591:21:386:144:15
6:15
-0:06
25K
15.53 mi11:38:281:37:076:1615:29
6:24
+0:09
30K
18.64 mi11:58:461:57:256:1820:18
6:33
+0:09
20M
20.00 mi12:07:352:06:146:198:49
6:30
-0:03
21M
21.00 mi12:14:272:13:066:216:52
6:52
+0:22
35K
21.75 mi12:19:092:17:486:214:42
6:17
-0:35
23M
23.00 mi12:27:252:26:046:228:16
6:37
+0:20
24M
24.00 mi12:33:542:32:336:226:29
6:29
-0:08
40K
24.85 mi12:39:442:38:236:235:50
6:50
+0:21
25.2M
25.20 mi12:42:142:40:536:242:30
7:15
+0:25
FINISH
26.22 mi12:48:562:47:356:246:42
6:35
-0:40

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

6:10 /mi

Average Pace

6:24 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:32:23

91% of race

Time at Steady Pace

15:12

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:23 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:20:3519:146:1219:14
6:12
#2063
10K
6.21 mi10:39:4338:226:1119:08
6:10
#2060
15K
9.32 mi10:59:0157:406:1219:18
6:13
#2142
20K
12.43 mi11:18:441:17:236:1419:43
6:21
#2264
HALF
13.11 mi11:22:591:21:386:144:15
6:15
#2276
25K
15.53 mi11:38:281:37:076:1615:29
6:24
#2332
30K
18.64 mi11:58:461:57:256:1820:18
6:33
#2380
20M
20.00 mi12:07:352:06:146:198:49
6:30
#2377
21M
21.00 mi12:14:272:13:066:216:52
6:52
#2377
35K
21.75 mi12:19:092:17:486:214:42
6:17
#2354
23M
23.00 mi12:27:252:26:046:228:16
6:37
#2359
24M
24.00 mi12:33:542:32:336:226:29
6:29
#2363
40K
24.85 mi12:39:442:38:236:235:50
6:50
#2402
25.2M
25.20 mi12:42:142:40:536:242:30
7:15
#2410
FINISH
26.22 mi12:48:562:47:356:246:42
6:35
#2461
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2063198719872346(Top 8%)2261(Top 14%)2261(Top 94%)
10K6.21 mi3.10 mi2060+3198719872065(Top 7%)1991(Top 12%)1991(Top 83%)
15K9.32 mi3.11 mi2142-822066-792066-792346(Top 8%)2261(Top 14%)2261(Top 94%)
20K12.43 mi3.11 mi2264-1222185-1192185-1192836(Top 10%)2724(Top 17%)2724(Top 113%)
HALF13.11 mi0.68 mi2276-122197-122197-122652(Top 9%)2556(Top 16%)2556(Top 106%)
25K15.53 mi2.42 mi2332-562249-522249-522784(Top 10%)2672(Top 16%)2672(Top 111%)
30K18.64 mi3.11 mi2380-482293-442293-442749(Top 9%)2628(Top 16%)2628(Top 109%)
20M20.00 mi1.36 mi2377+32288+52288+52380(Top 8%)2261(Top 14%)2261(Top 94%)
21M21.00 mi1.00 mi23772284+42284+42740(Top 9%)2564(Top 16%)2564(Top 106%)
35K21.75 mi0.75 mi2354+232262+222262+222401(Top 8%)2272(Top 14%)2272(Top 94%)
23M23.00 mi1.25 mi2359-52268-62268-62914(Top 10%)2697(Top 17%)2697(Top 112%)
24M24.00 mi1.00 mi2363-42267+12267+13045(Top 10%)2774(Top 17%)2774(Top 115%)
40K24.85 mi0.85 mi2402-392306-392306-394307(Top 15%)3748(Top 23%)3748(Top 155%)
25.2M25.20 mi0.35 mi2410-82314-82314-83742(Top 13%)3257(Top 20%)3257(Top 135%)
FINISH26.22 mi1.02 mi2461-512360-462360-464579(Top 16%)3883(Top 24%)3883(Top 161%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
Γ—21
+97ft-345ft

Overall

2346

Males

2261

M45-49

2261

5K→10K

3.1 - 6.2 mi

Top 7%
Γ—5
+79ft-138ft

Overall

2065

Males

1991

M45-49

1991

10K→15K

6.2 - 9.3 mi

Top 8%
Γ—3
+67ft-78ft

Overall

2346

Males

2261

M45-49

2261

15K→20K

9.3 - 12.4 mi

Top 10%
Γ—5
+106ft-86ft

Overall

2836

Males

2724

M45-49

2724

20K→HALF

12.4 - 13.1 mi

Top 9%
Γ—2
+19ft-37ft

Overall

2652

Males

2556

M45-49

2556

HALF→25K

13.1 - 15.5 mi

Top 10%
Γ—4
+66ft-88ft

Overall

2784

Males

2672

M45-49

2672

25K→30K

15.5 - 18.6 mi

Top 9%
Γ—9
+181ft-148ft

Overall

2749

Males

2628

M45-49

2628

30K→20M

18.6 - 20.0 mi

Top 8%
Γ—5
+64ft-50ft

Overall

2380

Males

2261

M45-49

2261

20M→21M

20.0 - 21.0 mi

Top 9%
Γ—8
+106ft-24ft

Overall

2740

Males

2564

M45-49

2564

21M→35K

21.0 - 21.8 mi

Top 8%
Γ—7
+17ft-86ft

Overall

2401

Males

2272

M45-49

2272

35K→23M

21.8 - 23.0 mi

Top 10%
Γ—5
+23ft-63ft

Overall

2914

Males

2697

M45-49

2697

23M→24M

23.0 - 24.0 mi

Top 10%
Γ—6
+12ft-82ft

Overall

3045

Males

2774

M45-49

2774

24M→40K

24.0 - 24.9 mi

Top 15%
Γ—1
+6ft-20ft

Overall

4307

Males

3748

M45-49

3748

40K→25.2M

24.9 - 25.2 mi

Top 13%
Γ—1
+13ft-16ft

Overall

3742

Males

3257

M45-49

3257

25.2M→FINISH

25.2 - 26.2 mi

Top 16%
Γ—2
+22ft-21ft

Overall

4579

Males

3883

M45-49

3883

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
505
Passed By
903
Net Change
-398
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#2063
5K β†’ 10K103100+3#2063#2060
10K β†’ 15K35117-82#2060#2142
15K β†’ 20K17139-122#2142#2264
20K β†’ HALF517-12#2264#2276
HALF β†’ 25K3187-56#2276#2332
25K β†’ 30K53101-48#2332#2380
30K β†’ 20M4340+3#2380#2377
20M β†’ 21M41410#2377#2377
21M β†’ 35K3815+23#2377#2354
35K β†’ 23M4449-5#2354#2359
23M β†’ 24M4347-4#2359#2363
24M β†’ 40K2261-39#2363#2402
40K β†’ 25.2M1018-8#2402#2410
25.2M β†’ FINISH2071-51#2410#2461
TOTALS505903-398
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing