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BOSTON MARATHON 2025

Nobuyuki Yukawa

Bib: 20256•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 37%
Masters (Masters Men)
#0 / 10463
Top 24%
Division (M60-64)
#0 / 1259
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:32
Rank: #12876
Start → 5K
23:32 | 7:34/mi
10K· 6.21 mi
46:25
Rank: #11843 (+1033)
5K → 10K
22:53 | 7:22/mi
15K· 9.32 mi
1:09:11
Rank: #11269 (+574)
10K → 15K
22:46 | 7:20/mi
20K· 12.43 mi
1:31:55
Rank: #10723 (+546)
15K → 20K
22:44 | 7:19/mi
Half· 13.11 mi
1:36:49
Rank: #10616 (+107)
20K → Half
4:54 | 7:11/mi
25K· 15.53 mi
1:54:09
Rank: #9979 (+637)
Half → 25K
17:20 | 7:09/mi
30K· 18.64 mi
2:16:46
Rank: #9166 (+813)
25K → 30K
22:37 | 7:17/mi
20M
2:26:39
Rank: #8801 (+365)
30K → 20M
9:53 | 7:16/mi
21M
2:34:01
Rank: #8407 (+394)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:39:05
Rank: #8179 (+228)
21M → 35K
5:04 | 6:46/mi
23M
2:47:42
Rank: #7743 (+436)
35K → 23M
8:37 | 6:53/mi
24M
2:54:25
Rank: #7467 (+276)
23M → 24M
6:43 | 6:43/mi
40K· 24.85 mi
3:00:17
Rank: #7243 (+224)
24M → 40K
5:52 | 6:52/mi
25.2M
3:02:53
Rank: #7154 (+89)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:09:40
Rank: #6959 (+195)
25.2M → Finish
6:47 | 6:39/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:36:49
Pace7:23 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:32:51
Pace7:05 /mi
📊Negative Split: 4.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0123:327:3423:32
7:34
-
10K
6.21 mi11:38:5446:257:2822:53
7:22
-0:12
15K
9.32 mi12:01:401:09:117:2522:46
7:20
-0:02
20K
12.43 mi12:24:241:31:557:2422:44
7:19
-0:01
Half
13.11 mi12:29:181:36:497:234:54
7:11
-0:08
25K
15.53 mi12:46:381:54:097:2117:20
7:09
-0:02
30K
18.64 mi13:09:152:16:467:2022:37
7:17
+0:08
20M
20.00 mi13:19:082:26:397:209:53
7:16
-0:01
21M
21.00 mi13:26:302:34:017:207:22
7:22
+0:06
35K
21.75 mi13:31:342:39:057:195:04
6:46
-0:36
23M
23.00 mi13:40:112:47:427:178:37
6:53
+0:07
24M
24.00 mi13:46:542:54:257:166:43
6:43
-0:10
40K
24.85 mi13:52:463:00:177:155:52
6:52
+0:09
25.2M
25.20 mi13:55:223:02:537:152:36
7:32
+0:40
Finish
26.22 mi14:02:093:09:407:146:47
6:39
-0:53

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

6:39 /mi

Average Pace

7:14 /mi

Slowest Pace

7:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:47

46% of race

Time at Steady Pace

1:41:53

54% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:14 /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 mi11:16:0123:327:3423:32
7:34
#12876
10K
6.21 mi11:38:5446:257:2822:53
7:22
#11843
15K
9.32 mi12:01:401:09:117:2522:46
7:20
#11269
20K
12.43 mi12:24:241:31:557:2422:44
7:19
#10723
Half
13.11 mi12:29:181:36:497:234:54
7:11
#10616
25K
15.53 mi12:46:381:54:097:2117:20
7:09
#9979
30K
18.64 mi13:09:152:16:467:2022:37
7:17
#9166
20M
20.00 mi13:19:082:26:397:209:53
7:16
#8801
21M
21.00 mi13:26:302:34:017:207:22
7:22
#8407
35K
21.75 mi13:31:342:39:057:195:04
6:46
#8179
23M
23.00 mi13:40:112:47:427:178:37
6:53
#7743
24M
24.00 mi13:46:542:54:257:166:43
6:43
#7467
40K
24.85 mi13:52:463:00:177:155:52
6:52
#7243
25.2M
25.20 mi13:55:223:02:537:152:36
7:32
#7154
Finish
26.22 mi14:02:093:09:407:146:47
6:39
#6959
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi128769583958310200(Top 36%)8188(Top 51%)8188(Top 650%)
10K6.21 mi3.10 mi11843+10339083+5009083+50010855(Top 38%)8589(Top 53%)8589(Top 682%)
15K9.32 mi3.11 mi11269+5748779+3048779+30410200(Top 36%)8188(Top 51%)8188(Top 650%)
20K12.43 mi3.11 mi10723+5468489+2908489+2909161(Top 32%)7533(Top 47%)7533(Top 598%)
Half13.11 mi0.68 mi10616+1078429+608429+608847(Top 31%)7369(Top 46%)7369(Top 585%)
25K15.53 mi2.42 mi9979+6378057+3728057+3727250(Top 26%)6284(Top 39%)6284(Top 499%)
30K18.64 mi3.11 mi9166+8137555+5027555+5026331(Top 22%)5542(Top 34%)5542(Top 440%)
20M20.00 mi1.36 mi8801+3657316+2397316+2395611(Top 20%)4911(Top 30%)4911(Top 390%)
21M21.00 mi1.00 mi8407+3947055+2617055+2613946(Top 14%)3581(Top 22%)3581(Top 284%)
35K21.75 mi0.75 mi8179+2286900+1556900+1553936(Top 14%)3536(Top 22%)3536(Top 281%)
23M23.00 mi1.25 mi7743+4366575+3256575+3253124(Top 11%)2854(Top 18%)2854(Top 227%)
24M24.00 mi1.00 mi7467+2766364+2116364+2113069(Top 11%)2782(Top 17%)2782(Top 221%)
40K24.85 mi0.85 mi7243+2246197+1676197+1673156(Top 11%)2829(Top 18%)2829(Top 225%)
25.2M25.20 mi0.35 mi7154+896121+766121+763570(Top 13%)3114(Top 19%)3114(Top 247%)
Finish26.22 mi1.02 mi6959+1955965+1565965+1563642(Top 13%)3168(Top 20%)3168(Top 252%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

10200

Males

8188

M60-64

8188

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10855

Males

8589

M60-64

8589

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

10200

Males

8188

M60-64

8188

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9161

Males

7533

M60-64

7533

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8847

Males

7369

M60-64

7369

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7250

Males

6284

M60-64

6284

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

6331

Males

5542

M60-64

5542

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5611

Males

4911

M60-64

4911

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3946

Males

3581

M60-64

3581

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3936

Males

3536

M60-64

3536

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3124

Males

2854

M60-64

2854

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3069

Males

2782

M60-64

2782

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3156

Males

2829

M60-64

2829

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3570

Males

3114

M60-64

3114

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3642

Males

3168

M60-64

3168

Passing Analysis

Category:
Athletes Passed
5991*
Passed By
74
Net Change
+5917
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12876
5K → 10K106633+1033#12876#11843
10K → 15K59420+574#11843#11269
15K → 20K5548+546#11269#10723
20K → Half1092+107#10723#10616
Half → 25K640*3+637#10616#9979
25K → 30K8130+813#9979#9166
30K → 20M3672+365#9166#8801
20M → 21M3951+394#8801#8407
21M → 35K2280+228#8407#8179
35K → 23M4360+436#8179#7743
23M → 24M2760+276#7743#7467
24M → 40K2240+224#7467#7243
40K → 25.2M901+89#7243#7154
25.2M → Finish1994+195#7154#6959
TOTALS5991*74+5917

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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