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BOSTON MARATHON 2025

Akinori Yamada

Bib: 8966•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 46%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 49%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:07
Rank: #8814
Start → 5K
22:07 | 7:07/mi
10K· 6.21 mi
44:00
Rank: #8517 (+297)
5K → 10K
21:53 | 7:03/mi
15K· 9.32 mi
1:06:02
Rank: #8370 (+147)
10K → 15K
22:02 | 7:06/mi
20K· 12.43 mi
1:28:43
Rank: #8454 (-84)
15K → 20K
22:41 | 7:18/mi
Half· 13.11 mi
1:33:43
Rank: #8526 (-72)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:51:59
Rank: #8745 (-219)
Half → 25K
18:16 | 7:32/mi
30K· 18.64 mi
2:19:01
Rank: #10222 (-1477)
25K → 30K
27:02 | 8:42/mi
20M
2:34:34
Rank: #12135 (-1913)
30K → 20M
15:33 | 11:27/mi
21M
2:46:24
Rank: #13275 (-1140)
20M → 21M
11:50 | 11:50/mi
35K· 21.75 mi
2:53:16
Rank: #13529 (-254)
21M → 35K
6:52 | 9:11/mi
23M
3:04:07
Rank: #13560 (-31)
35K → 23M
10:51 | 8:40/mi
24M
3:12:26
Rank: #13532 (+28)
23M → 24M
8:19 | 8:19/mi
40K· 24.85 mi
3:19:23
Rank: #13412 (+120)
24M → 40K
6:57 | 8:08/mi
25.2M
3:22:22
Rank: #13342 (+70)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:29:55
Rank: #13190 (+152)
25.2M → Finish
7:33 | 7:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:43
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:56:12
Pace8:52 /mi
📊Positive Split: 24.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2622:077:0722:07
7:07
-
10K
6.21 mi11:13:1944:007:0521:53
7:03
-0:04
15K
9.32 mi11:35:211:06:027:0522:02
7:06
+0:03
20K
12.43 mi11:58:021:28:437:0822:41
7:18
+0:12
Half
13.11 mi12:03:021:33:437:095:00
7:20
+0:02
25K
15.53 mi12:21:181:51:597:1318:16
7:32
+0:12
30K
18.64 mi12:48:202:19:017:2727:02
8:42
+1:10
20M
20.00 mi13:03:532:34:347:4415:33
11:27
+2:45
21M
21.00 mi13:15:432:46:247:5511:50
11:50
+0:23
35K
21.75 mi13:22:352:53:167:586:52
9:11
-2:39
23M
23.00 mi13:33:263:04:078:0010:51
8:40
-0:31
24M
24.00 mi13:41:453:12:268:018:19
8:19
-0:21
40K
24.85 mi13:48:423:19:238:016:57
8:08
-0:11
25.2M
25.20 mi13:51:413:22:228:022:59
8:39
+0:31
Finish
26.22 mi13:59:143:29:558:017:33
7:25
-1:14

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

7:03 /mi

Average Pace

8:01 /mi

Slowest Pace

11:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:43

45% of race

Time at Steady Pace

1:21:57

39% of race

Time at Slower Pace

34:15

16% of race

Average Pace: 8:00 /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 mi10:51:2622:077:0722:07
7:07
#8814
10K
6.21 mi11:13:1944:007:0521:53
7:03
#8517
15K
9.32 mi11:35:211:06:027:0522:02
7:06
#8370
20K
12.43 mi11:58:021:28:437:0822:41
7:18
#8454
Half
13.11 mi12:03:021:33:437:095:00
7:20
#8526
25K
15.53 mi12:21:181:51:597:1318:16
7:32
#8745
30K
18.64 mi12:48:202:19:017:2727:02
8:42
#10222
20M
20.00 mi13:03:532:34:347:4415:33
11:27
#12135
21M
21.00 mi13:15:432:46:247:5511:50
11:50
#13275
35K
21.75 mi13:22:352:53:167:586:52
9:11
#13529
23M
23.00 mi13:33:263:04:078:0010:51
8:40
#13560
24M
24.00 mi13:41:453:12:268:018:19
8:19
#13532
40K
24.85 mi13:48:423:19:238:016:57
8:08
#13412
25.2M
25.20 mi13:51:413:22:228:022:59
8:39
#13342
Finish
26.22 mi13:59:143:29:558:017:33
7:25
#13190
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi8814750375038281(Top 29%)7115(Top 44%)7115(Top 317%)
10K6.21 mi3.10 mi8517+2977306+1977306+1978244(Top 29%)7134(Top 44%)7134(Top 317%)
15K9.32 mi3.11 mi8370+1477202+1047202+1048281(Top 29%)7115(Top 44%)7115(Top 317%)
20K12.43 mi3.11 mi8454-847228-267228-269060(Top 32%)7485(Top 46%)7485(Top 333%)
Half13.11 mi0.68 mi8526-727276-487276-4810262(Top 36%)8178(Top 51%)8178(Top 364%)
25K15.53 mi2.42 mi8745-2197388-1127388-11210247(Top 36%)8016(Top 50%)8016(Top 357%)
30K18.64 mi3.11 mi10222-14778130-7428130-74215997(Top 56%)10492(Top 65%)10492(Top 467%)
20M20.00 mi1.36 mi12135-19139003-8739003-87324441(Top 86%)14185(Top 88%)14185(Top 631%)
21M21.00 mi1.00 mi13275-11409475-4729475-47223265(Top 82%)13565(Top 84%)13565(Top 604%)
35K21.75 mi0.75 mi13529-2549562-879562-8719041(Top 67%)11505(Top 71%)11505(Top 512%)
23M23.00 mi1.25 mi13560-319531+319531+3114321(Top 50%)9308(Top 58%)9308(Top 414%)
24M24.00 mi1.00 mi13532+289502+299502+2913341(Top 47%)8818(Top 55%)8818(Top 392%)
40K24.85 mi0.85 mi13412+1209424+789424+7811078(Top 39%)7614(Top 47%)7614(Top 339%)
25.2M25.20 mi0.35 mi13342+709380+449380+449709(Top 34%)6828(Top 42%)6828(Top 304%)
Finish26.22 mi1.02 mi13190+1529288+929288+928549(Top 30%)6221(Top 39%)6221(Top 277%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

8281

Males

7115

M40-44

7115

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

8244

Males

7134

M40-44

7134

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

8281

Males

7115

M40-44

7115

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9060

Males

7485

M40-44

7485

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

10262

Males

8178

M40-44

8178

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

10247

Males

8016

M40-44

8016

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

15997

Males

10492

M40-44

10492

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

24441

Males

14185

M40-44

14185

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23265

Males

13565

M40-44

13565

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

19041

Males

11505

M40-44

11505

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14321

Males

9308

M40-44

9308

23M→24M

23.0 - 24.0 mi

Top 47%
×6stories
+12ft-82ft

Overall

13341

Males

8818

M40-44

8818

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11078

Males

7614

M40-44

7614

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9709

Males

6828

M40-44

6828

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8549

Males

6221

M40-44

6221

Passing Analysis

Category:
Athletes Passed
1496
Passed By
5870
Net Change
-4376
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8814
5K → 10K38891+297#8814#8517
10K → 15K23083+147#8517#8370
15K → 20K143227-84#8370#8454
20K → Half1284-72#8454#8526
Half → 25K84303-219#8526#8745
25K → 30K331508-1477#8745#10222
30K → 20M71920-1913#10222#12135
20M → 21M31143-1140#12135#13275
21M → 35K15269-254#13275#13529
35K → 23M105136-31#13529#13560
23M → 24M9668+28#13560#13532
24M → 40K13717+120#13532#13412
40K → 25.2M788+70#13412#13342
25.2M → Finish16513+152#13342#13190
TOTALS14965870-4376
📊

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