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BOSTON MARATHON 2025

Takuya Matsunaga

Bib: 2844•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 14%
Division (M18-39)
#0 / 5642
Top 34%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:36
Rank: #2496
Start → 5K
19:36 | 6:19/mi
10K· 6.21 mi
39:08
Rank: #2400 (+96)
5K → 10K
19:32 | 6:17/mi
15K· 9.32 mi
58:44
Rank: #2388 (+12)
10K → 15K
19:36 | 6:19/mi
20K· 12.43 mi
1:18:18
Rank: #2267 (+121)
15K → 20K
19:34 | 6:18/mi
Half· 13.11 mi
1:22:34
Rank: #2266 (+1)
20K → Half
4:16 | 6:15/mi
25K· 15.53 mi
1:38:02
Rank: #2234 (+32)
Half → 25K
15:28 | 6:23/mi
30K· 18.64 mi
1:58:42
Rank: #2276 (-42)
25K → 30K
20:40 | 6:39/mi
20M
2:07:56
Rank: #2301 (-25)
30K → 20M
9:14 | 6:48/mi
21M
2:14:54
Rank: #2262 (+39)
20M → 21M
6:58 | 6:58/mi
35K· 21.75 mi
2:19:47
Rank: #2257 (+5)
21M → 35K
4:53 | 6:32/mi
23M
2:28:22
Rank: #2266 (-9)
35K → 23M
8:35 | 6:51/mi
24M
2:35:07
Rank: #2292 (-26)
23M → 24M
6:45 | 6:45/mi
40K· 24.85 mi
2:41:06
Rank: #2319 (-27)
24M → 40K
5:59 | 7:00/mi
25.2M
2:43:52
Rank: #2363 (-44)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
2:51:07
Rank: #2464 (-101)
25.2M → Finish
7:15 | 7:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:34
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:28:33
Pace6:45 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0919:366:1919:36
6:19
-
10K
6.21 mi10:40:4139:086:1819:32
6:17
-0:02
15K
9.32 mi11:00:1758:446:1819:36
6:19
+0:02
20K
12.43 mi11:19:511:18:186:1819:34
6:18
-0:01
Half
13.11 mi11:24:071:22:346:184:16
6:15
-0:03
25K
15.53 mi11:39:351:38:026:1915:28
6:23
+0:08
30K
18.64 mi12:00:151:58:426:2220:40
6:39
+0:16
20M
20.00 mi12:09:292:07:566:249:14
6:48
+0:09
21M
21.00 mi12:16:272:14:546:256:58
6:58
+0:10
35K
21.75 mi12:21:202:19:476:264:53
6:32
-0:26
23M
23.00 mi12:29:552:28:226:278:35
6:51
+0:19
24M
24.00 mi12:36:402:35:076:286:45
6:45
-0:06
40K
24.85 mi12:42:392:41:066:295:59
7:00
+0:15
25.2M
25.20 mi12:45:252:43:526:302:46
8:01
+1:01
Finish
26.22 mi12:52:402:51:076:327:15
7:07
-0:54

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

6:15 /mi

Average Pace

6:32 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:02

57% of race

Time at Steady Pace

50:07

29% of race

Time at Slower Pace

22:58

13% of race

Average Pace: 6:32 /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 mi10:21:0919:366:1919:36
6:19
#2496
10K
6.21 mi10:40:4139:086:1819:32
6:17
#2400
15K
9.32 mi11:00:1758:446:1819:36
6:19
#2388
20K
12.43 mi11:19:511:18:186:1819:34
6:18
#2267
Half
13.11 mi11:24:071:22:346:184:16
6:15
#2266
25K
15.53 mi11:39:351:38:026:1915:28
6:23
#2234
30K
18.64 mi12:00:151:58:426:2220:40
6:39
#2276
20M
20.00 mi12:09:292:07:566:249:14
6:48
#2301
21M
21.00 mi12:16:272:14:546:256:58
6:58
#2262
35K
21.75 mi12:21:202:19:476:264:53
6:32
#2257
23M
23.00 mi12:29:552:28:226:278:35
6:51
#2266
24M
24.00 mi12:36:402:35:076:286:45
6:45
#2292
40K
24.85 mi12:42:392:41:066:295:59
7:00
#2319
25.2M
25.20 mi12:45:252:43:526:302:46
8:01
#2363
Finish
26.22 mi12:52:402:51:076:327:15
7:07
#2464
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2496237823782388(Top 8%)2278(Top 14%)2278(Top 40%)
10K6.21 mi3.10 mi2400+962288+902288+902343(Top 8%)2242(Top 14%)2242(Top 40%)
15K9.32 mi3.11 mi2388+122282+62282+62388(Top 8%)2278(Top 14%)2278(Top 40%)
20K12.43 mi3.11 mi2267+1212168+1142168+1142008(Top 7%)1913(Top 12%)1913(Top 34%)
Half13.11 mi0.68 mi2266+12165+32165+32290(Top 8%)2191(Top 14%)2191(Top 39%)
25K15.53 mi2.42 mi2234+322133+322133+322266(Top 8%)2156(Top 13%)2156(Top 38%)
30K18.64 mi3.11 mi2276-422171-382171-382650(Top 9%)2508(Top 16%)2508(Top 44%)
20M20.00 mi1.36 mi2301-252195-242195-242898(Top 10%)2707(Top 17%)2707(Top 48%)
21M21.00 mi1.00 mi2262+392158+372158+372143(Top 8%)2008(Top 12%)2008(Top 36%)
35K21.75 mi0.75 mi2257+52149+92149+92622(Top 9%)2441(Top 15%)2441(Top 43%)
23M23.00 mi1.25 mi2266-92158-92158-92994(Top 11%)2736(Top 17%)2736(Top 48%)
24M24.00 mi1.00 mi2292-262182-242182-243237(Top 11%)2917(Top 18%)2917(Top 52%)
40K24.85 mi0.85 mi2319-272206-242206-243885(Top 14%)3404(Top 21%)3404(Top 60%)
25.2M25.20 mi0.35 mi2363-442243-372243-376019(Top 21%)4745(Top 29%)4745(Top 84%)
Finish26.22 mi1.02 mi2464-1012335-922335-926451(Top 23%)5009(Top 31%)5009(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2388

Males

2278

M18-39

2278

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2343

Males

2242

M18-39

2242

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2388

Males

2278

M18-39

2278

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

2008

Males

1913

M18-39

1913

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2290

Males

2191

M18-39

2191

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2266

Males

2156

M18-39

2156

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2650

Males

2508

M18-39

2508

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2898

Males

2707

M18-39

2707

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2143

Males

2008

M18-39

2008

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2622

Males

2441

M18-39

2441

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2994

Males

2736

M18-39

2736

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3237

Males

2917

M18-39

2917

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3885

Males

3404

M18-39

3404

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

6019

Males

4745

M18-39

4745

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6451

Males

5009

M18-39

5009

Passing Analysis

Category:
Athletes Passed
780
Passed By
748
Net Change
+32
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2496
5K → 10K15660+96#2496#2400
10K → 15K9179+12#2400#2388
15K → 20K14423+121#2388#2267
20K → Half1110+1#2267#2266
Half → 25K6533+32#2266#2234
25K → 30K78120-42#2234#2276
30K → 20M3358-25#2276#2301
20M → 21M5920+39#2301#2262
21M → 35K2419+5#2262#2257
35K → 23M4352-9#2257#2266
23M → 24M3157-26#2266#2292
24M → 40K2754-27#2292#2319
40K → 25.2M852-44#2319#2363
25.2M → Finish10111-101#2363#2464
TOTALS780748+32
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing