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BOSTON MARATHON 2025

Takeshi Osako

Bib: 22580•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
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
9:04/mi
28:11
↑ 97↓ 3451.5%
10K· 6.21 mi
9:02/mi
56:16
↑ 79↓ 1380.4%
15K· 9.32 mi
9:11/mi
1:24:49
↑ 67↓ 78
20K· 12.43 mi
9:36/mi
1:54:38
↑ 106↓ 860.1%
Half· 13.11 mi
9:42/mi
2:01:15
↑ 19↓ 370.5%
25K· 15.53 mi
10:15/mi
2:26:07
↑ 66↓ 880.2%
30K· 18.64 mi
10:59/mi
3:00:13
↑ 181↓ 1480.2%
20M
11:39/mi
3:16:03
↑ 64↓ 500.2%
21M
14:26/mi
3:30:29
↑ 106↓ 241.6%
35K· 21.75 mi
12:19/mi
3:39:42
↑ 17↓ 861.7%
23M
12:00/mi
3:54:43
↑ 23↓ 630.6%
24M
12:06/mi
4:06:49
↓ 821.3%
40K· 24.85 mi
11:34/mi
4:16:42
↓ 200.3%
25.2M
12:31/mi
4:21:01
↑ 13↓ 160.2%
Finish· 26.22 mi
10:43/mi
4:31:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:15
Pace9:15 /mi
2nd Half
Distance13.11 mi
Time2:30:41
Pace11:30 /mi
📊Positive Split: 24.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:2128:119:0428:11
9:04
-
10K
6.21 mi11:57:2656:169:0328:05
9:02
-0:02
15K
9.32 mi12:25:591:24:499:0628:33
9:11
+0:09
20K
12.43 mi12:55:481:54:389:1329:49
9:36
+0:25
Half
13.11 mi13:02:252:01:159:156:37
9:42
+0:06
25K
15.53 mi13:27:172:26:079:2424:52
10:15
+0:33
30K
18.64 mi14:01:233:00:139:4034:06
10:59
+0:44
20M
20.00 mi14:17:133:16:039:4815:50
11:39
+0:40
21M
21.00 mi14:31:393:30:2910:0114:26
14:26
+2:47
35K
21.75 mi14:40:523:39:4210:069:13
12:19
-2:07
23M
23.00 mi14:55:533:54:4310:1215:01
12:00
-0:19
24M
24.00 mi15:07:594:06:4910:1712:06
12:06
+0:06
40K
24.85 mi15:17:524:16:4210:209:53
11:34
-0:32
25.2M
25.20 mi15:22:114:21:0110:214:19
12:31
+0:57
Finish
26.22 mi15:33:064:31:5610:2310:55
10:43
-1:48

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

9:02 /mi

Average Pace

10:23 /mi

Slowest Pace

14:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:15

45% of race

Time at Steady Pace

1:35:36

35% of race

Time at Slower Pace

55:05

20% of race

Average Pace: 10:22 /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 mi11:29:2128:119:0428:11
9:04
#22725
10K
6.21 mi11:57:2656:169:0328:05
9:02
#22642
15K
9.32 mi12:25:591:24:499:0628:33
9:11
#22701
20K
12.43 mi12:55:481:54:389:1329:49
9:36
#22884
Half
13.11 mi13:02:252:01:159:156:37
9:42
#22958
25K
15.53 mi13:27:172:26:079:2424:52
10:15
#23138
30K
18.64 mi14:01:233:00:139:4034:06
10:59
#23300
20M
20.00 mi14:17:133:16:039:4815:50
11:39
#23439
21M
21.00 mi14:31:393:30:2910:0114:26
14:26
#23796
35K
21.75 mi14:40:523:39:4210:069:13
12:19
#23931
23M
23.00 mi14:55:533:54:4310:1215:01
12:00
#24015
24M
24.00 mi15:07:594:06:4910:1712:06
12:06
#24136
40K
24.85 mi15:17:524:16:4210:209:53
11:34
#24152
25.2M
25.20 mi15:22:114:21:0110:214:19
12:31
#24161
Finish
26.22 mi15:33:064:31:5610:2310:55
10:43
#24188
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi22725136381363822831(Top 80%)13761(Top 85%)13761(Top 1093%)
10K6.21 mi3.10 mi22642+8313619+1913619+1922547(Top 79%)13597(Top 84%)13597(Top 1080%)
15K9.32 mi3.11 mi22701-5913680-6113680-6122831(Top 80%)13761(Top 85%)13761(Top 1093%)
20K12.43 mi3.11 mi22884-18313762-8213762-8223192(Top 82%)13892(Top 86%)13892(Top 1103%)
Half13.11 mi0.68 mi22958-7413794-3213794-3224093(Top 85%)14279(Top 89%)14279(Top 1134%)
25K15.53 mi2.42 mi23138-18013863-6913863-6923844(Top 84%)14125(Top 88%)14125(Top 1122%)
30K18.64 mi3.11 mi23300-16213891-2813891-2823963(Top 84%)14056(Top 87%)14056(Top 1116%)
20M20.00 mi1.36 mi23439-13913939-4813939-4824788(Top 87%)14370(Top 89%)14370(Top 1141%)
21M21.00 mi1.00 mi23796-35714079-14014079-14026647(Top 94%)15183(Top 94%)15183(Top 1206%)
35K21.75 mi0.75 mi23931-13514124-4514124-4526266(Top 92%)14973(Top 93%)14973(Top 1189%)
23M23.00 mi1.25 mi24015-8414149-2514149-2525105(Top 88%)14384(Top 89%)14384(Top 1142%)
24M24.00 mi1.00 mi24136-12114185-3614185-3625788(Top 91%)14698(Top 91%)14698(Top 1167%)
40K24.85 mi0.85 mi24152-1614183+214183+224236(Top 85%)13891(Top 86%)13891(Top 1103%)
25.2M25.20 mi0.35 mi24161-914182+114182+124219(Top 85%)13882(Top 86%)13882(Top 1103%)
Finish26.22 mi1.02 mi24188-2714193-1114193-1124756(Top 87%)14153(Top 88%)14153(Top 1124%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

22831

Males

13761

M60-64

13761

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22547

Males

13597

M60-64

13597

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

22831

Males

13761

M60-64

13761

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23192

Males

13892

M60-64

13892

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24093

Males

14279

M60-64

14279

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

23844

Males

14125

M60-64

14125

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23963

Males

14056

M60-64

14056

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

24788

Males

14370

M60-64

14370

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

26647

Males

15183

M60-64

15183

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

26266

Males

14973

M60-64

14973

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

25105

Males

14384

M60-64

14384

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

25788

Males

14698

M60-64

14698

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24236

Males

13891

M60-64

13891

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24219

Males

13882

M60-64

13882

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24756

Males

14153

M60-64

14153

Passing Analysis

Category:
Athletes Passed
977
Passed By
2440
Net Change
-1463
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22725
5K → 10K289206+83#22725#22642
10K → 15K161220-59#22642#22701
15K → 20K127310-183#22701#22884
20K → Half1589-74#22884#22958
Half → 25K75255-180#22958#23138
25K → 30K113275-162#23138#23300
30K → 20M40179-139#23300#23439
20M → 21M12369-357#23439#23796
21M → 35K12147-135#23796#23931
35K → 23M38122-84#23931#24015
23M → 24M17138-121#24015#24136
24M → 40K3652-16#24136#24152
40K → 25.2M1120-9#24152#24161
25.2M → Finish3158-27#24161#24188
TOTALS9772440-1463
📊

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