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BOSTON MARATHON 2025

Shinsuke Adachi

Bib: 1554•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 7%
Masters (Masters Men)
#0 / 10463
Top 2%
Division (M45-49)
#0 / 2386
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:08/mi
19:04
↑ 97↓ 3451.5%
10K· 6.21 mi
6:07/mi
38:05
↑ 79↓ 1380.4%
15K· 9.32 mi
6:08/mi
57:09
↑ 67↓ 78
20K· 12.43 mi
6:12/mi
1:16:24
↑ 106↓ 860.1%
Half· 13.11 mi
6:01/mi
1:20:30
↑ 19↓ 370.5%
25K· 15.53 mi
6:10/mi
1:35:28
↑ 66↓ 880.2%
30K· 18.64 mi
6:19/mi
1:55:07
↑ 181↓ 1480.2%
20M
6:28/mi
2:03:54
↑ 64↓ 500.2%
21M
6:48/mi
2:10:42
↑ 106↓ 241.6%
35K· 21.75 mi
6:06/mi
2:15:16
↑ 17↓ 861.7%
23M
6:21/mi
2:23:13
↑ 23↓ 630.6%
24M
6:21/mi
2:29:34
↓ 821.3%
40K· 24.85 mi
6:31/mi
2:35:08
↓ 200.3%
25.2M
7:12/mi
2:37:37
↑ 13↓ 160.2%
Finish· 26.22 mi
6:12/mi
2:43:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:30
Pace6:08 /mi
2nd Half
Distance13.11 mi
Time1:23:26
Pace6:22 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3919:046:0819:04
6:08
-
10K
6.21 mi10:38:4038:056:0819:01
6:07
-0:01
15K
9.32 mi10:57:4457:096:0819:04
6:08
+0:01
20K
12.43 mi11:16:591:16:246:0919:15
6:12
+0:04
Half
13.11 mi11:21:051:20:306:084:06
6:01
-0:11
25K
15.53 mi11:36:031:35:286:0914:58
6:10
+0:09
30K
18.64 mi11:55:421:55:076:1119:39
6:19
+0:09
20M
20.00 mi12:04:292:03:546:128:47
6:28
+0:09
21M
21.00 mi12:11:172:10:426:136:48
6:48
+0:20
35K
21.75 mi12:15:512:15:166:134:34
6:06
-0:42
23M
23.00 mi12:23:482:23:136:147:57
6:21
+0:15
24M
24.00 mi12:30:092:29:346:146:21
6:21
0:00
40K
24.85 mi12:35:432:35:086:145:34
6:31
+0:10
25.2M
25.20 mi12:38:122:37:376:152:29
7:12
+0:41
Finish
26.22 mi12:44:312:43:566:156:19
6:12
-1:00

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

6:01 /mi

Average Pace

6:15 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:39

94% of race

Time at Steady Pace

6:48

4% of race

Time at Slower Pace

2:29

2% of race

Average Pace: 6:15 /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 mi10:19:3919:046:0819:04
6:08
#1550
10K
6.21 mi10:38:4038:056:0819:01
6:07
#1554
15K
9.32 mi10:57:4457:096:0819:04
6:08
#1539
20K
12.43 mi11:16:591:16:246:0919:15
6:12
#1521
Half
13.11 mi11:21:051:20:306:084:06
6:01
#1502
25K
15.53 mi11:36:031:35:286:0914:58
6:10
#1453
30K
18.64 mi11:55:421:55:076:1119:39
6:19
#1388
20M
20.00 mi12:04:292:03:546:128:47
6:28
#1368
21M
21.00 mi12:11:172:10:426:136:48
6:48
#1351
35K
21.75 mi12:15:512:15:166:134:34
6:06
#1322
23M
23.00 mi12:23:482:23:136:147:57
6:21
#1266
24M
24.00 mi12:30:092:29:346:146:21
6:21
#1250
40K
24.85 mi12:35:432:35:086:145:34
6:31
#1253
25.2M
25.20 mi12:38:122:37:376:152:29
7:12
#1258
Finish
26.22 mi12:44:312:43:566:156:19
6:12
#1250
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1550147514751546(Top 5%)1469(Top 9%)1469(Top 62%)
10K6.21 mi3.10 mi1554-41477-21477-21545(Top 5%)1468(Top 9%)1468(Top 62%)
15K9.32 mi3.11 mi1539+151463+141463+141546(Top 5%)1469(Top 9%)1469(Top 62%)
20K12.43 mi3.11 mi1521+181446+171446+171563(Top 6%)1483(Top 9%)1483(Top 62%)
Half13.11 mi0.68 mi1502+191427+191427+191181(Top 4%)1118(Top 7%)1118(Top 47%)
25K15.53 mi2.42 mi1453+491379+481379+481347(Top 5%)1276(Top 8%)1276(Top 53%)
30K18.64 mi3.11 mi1388+651312+671312+671281(Top 5%)1209(Top 8%)1209(Top 51%)
20M20.00 mi1.36 mi1368+201292+201292+201475(Top 5%)1393(Top 9%)1393(Top 58%)
21M21.00 mi1.00 mi1351+171275+171275+171516(Top 5%)1427(Top 9%)1427(Top 60%)
35K21.75 mi0.75 mi1322+291248+271248+27969(Top 3%)912(Top 6%)912(Top 38%)
23M23.00 mi1.25 mi1266+561193+551193+55998(Top 4%)941(Top 6%)941(Top 39%)
24M24.00 mi1.00 mi1250+161177+161177+161464(Top 5%)1368(Top 8%)1368(Top 57%)
40K24.85 mi0.85 mi1253-31178-11178-11618(Top 6%)1494(Top 9%)1494(Top 63%)
25.2M25.20 mi0.35 mi1258-51182-41182-42080(Top 7%)1869(Top 12%)1869(Top 78%)
Finish26.22 mi1.02 mi1250+81175+71175+71502(Top 5%)1396(Top 9%)1396(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1546

Males

1469

M45-49

1469

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1545

Males

1468

M45-49

1468

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1546

Males

1469

M45-49

1469

15K→20K

9.3 - 12.4 mi

Top 6%
×5story building
+106ft-86ft

Overall

1563

Males

1483

M45-49

1483

20K→Half

12.4 - 13.1 mi

Top 4%
×2story building
+19ft-37ft

Overall

1181

Males

1118

M45-49

1118

Half→25K

13.1 - 15.5 mi

Top 5%
×4story building
+66ft-88ft

Overall

1347

Males

1276

M45-49

1276

25K→30K

15.5 - 18.6 mi

Top 5%
×9story building
+181ft-148ft

Overall

1281

Males

1209

M45-49

1209

30K→20M

18.6 - 20.0 mi

Top 5%
×5story building
+64ft-50ft

Overall

1475

Males

1393

M45-49

1393

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1516

Males

1427

M45-49

1427

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

969

Males

912

M45-49

912

35K→23M

21.8 - 23.0 mi

Top 4%
×5story building
+23ft-63ft

Overall

998

Males

941

M45-49

941

23M→24M

23.0 - 24.0 mi

Top 5%
×6story building
+12ft-82ft

Overall

1464

Males

1368

M45-49

1368

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1618

Males

1494

M45-49

1494

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

2080

Males

1869

M45-49

1869

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2story building
+22ft-21ft

Overall

1502

Males

1396

M45-49

1396

Passing Analysis

Category:
Athletes Passed
621
Passed By
321
Net Change
+300
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1550
5K → 10K7478-4#1550#1554
10K → 15K5742+15#1554#1539
15K → 20K6446+18#1539#1521
20K → Half201+19#1521#1502
Half → 25K6314+49#1502#1453
25K → 30K8924+65#1453#1388
30K → 20M3818+20#1388#1368
20M → 21M3518+17#1368#1351
21M → 35K312+29#1351#1322
35K → 23M648+56#1322#1266
23M → 24M3317+16#1266#1250
24M → 40K1821-3#1250#1253
40K → 25.2M1116-5#1253#1258
25.2M → Finish2416+8#1258#1250
TOTALS621321+300
📊

Passing Visuals

Category:
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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