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BOSTON MARATHON 2025

Shin Osumi

Bib: 12111•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 24%
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

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
7:20/mi
22:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:08/mi
44:57
↑ 79↓ 1380.4%
15K· 9.32 mi
7:06/mi
1:07:02
↑ 67↓ 78
20K· 12.43 mi
7:13/mi
1:29:27
↑ 106↓ 860.1%
Half· 13.11 mi
7:05/mi
1:34:17
↑ 19↓ 370.5%
25K· 15.53 mi
7:03/mi
1:51:22
↑ 66↓ 880.2%
30K· 18.64 mi
7:16/mi
2:13:56
↑ 181↓ 1480.2%
20M
7:23/mi
2:23:58
↑ 64↓ 500.2%
21M
7:48/mi
2:31:46
↑ 106↓ 241.6%
35K· 21.75 mi
7:05/mi
2:37:04
↑ 17↓ 861.7%
23M
7:18/mi
2:46:13
↑ 23↓ 630.6%
24M
7:12/mi
2:53:25
↓ 821.3%
40K· 24.85 mi
7:22/mi
2:59:43
↓ 200.3%
25.2M
7:56/mi
3:02:27
↑ 13↓ 160.2%
Finish· 26.22 mi
7:03/mi
3:09:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:17
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:35:21
Pace7:16 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0322:467:2022:46
7:20
-
10K
6.21 mi11:12:1444:577:1422:11
7:08
-0:12
15K
9.32 mi11:34:191:07:027:1222:05
7:06
-0:02
20K
12.43 mi11:56:441:29:277:1222:25
7:13
+0:07
Half
13.11 mi12:01:341:34:177:124:50
7:05
-0:08
25K
15.53 mi12:18:391:51:227:1017:05
7:03
-0:02
30K
18.64 mi12:41:132:13:567:1122:34
7:16
+0:13
20M
20.00 mi12:51:152:23:587:1210:02
7:23
+0:07
21M
21.00 mi12:59:032:31:467:147:48
7:48
+0:25
35K
21.75 mi13:04:212:37:047:135:18
7:05
-0:43
23M
23.00 mi13:13:302:46:137:149:09
7:18
+0:13
24M
24.00 mi13:20:422:53:257:147:12
7:12
-0:06
40K
24.85 mi13:27:002:59:437:146:18
7:22
+0:10
25.2M
25.20 mi13:29:443:02:277:142:44
7:56
+0:34
Finish
26.22 mi13:36:553:09:387:147:11
7:03
-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

7:03 /mi

Average Pace

7:14 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:06

94% of race

Time at Steady Pace

10:32

6% 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 mi10:50:0322:467:2022:46
7:20
#10614
10K
6.21 mi11:12:1444:577:1422:11
7:08
#9742
15K
9.32 mi11:34:191:07:027:1222:05
7:06
#9264
20K
12.43 mi11:56:441:29:277:1222:25
7:13
#8956
Half
13.11 mi12:01:341:34:177:124:50
7:05
#8903
25K
15.53 mi12:18:391:51:227:1017:05
7:03
#8415
30K
18.64 mi12:41:132:13:567:1122:34
7:16
#7922
20M
20.00 mi12:51:152:23:587:1210:02
7:23
#7729
21M
21.00 mi12:59:032:31:467:147:48
7:48
#7570
35K
21.75 mi13:04:212:37:047:135:18
7:05
#7460
23M
23.00 mi13:13:302:46:137:149:09
7:18
#7293
24M
24.00 mi13:20:422:53:257:147:12
7:12
#7169
40K
24.85 mi13:27:002:59:437:146:18
7:22
#7091
25.2M
25.20 mi13:29:443:02:277:142:44
7:56
#7051
Finish
26.22 mi13:36:553:09:387:147:11
7:03
#6951
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi10614848684868375(Top 29%)7160(Top 44%)7160(Top 569%)
10K6.21 mi3.10 mi9742+8728023+4638023+4638982(Top 32%)7588(Top 47%)7588(Top 603%)
15K9.32 mi3.11 mi9264+4787736+2877736+2878375(Top 29%)7160(Top 44%)7160(Top 569%)
20K12.43 mi3.11 mi8956+3087534+2027534+2028307(Top 29%)7047(Top 44%)7047(Top 560%)
Half13.11 mi0.68 mi8903+537503+317503+318101(Top 29%)6940(Top 43%)6940(Top 551%)
25K15.53 mi2.42 mi8415+4887186+3177186+3176606(Top 23%)5836(Top 36%)5836(Top 464%)
30K18.64 mi3.11 mi7922+4936822+3646822+3646244(Top 22%)5481(Top 34%)5481(Top 435%)
20M20.00 mi1.36 mi7729+1936674+1486674+1486270(Top 22%)5375(Top 33%)5375(Top 427%)
21M21.00 mi1.00 mi7570+1596527+1476527+1476166(Top 22%)5167(Top 32%)5167(Top 410%)
35K21.75 mi0.75 mi7460+1106431+966431+965875(Top 21%)4974(Top 31%)4974(Top 395%)
23M23.00 mi1.25 mi7293+1676285+1466285+1465506(Top 19%)4669(Top 29%)4669(Top 371%)
24M24.00 mi1.00 mi7169+1246176+1096176+1095806(Top 20%)4794(Top 30%)4794(Top 381%)
40K24.85 mi0.85 mi7091+786092+846092+845996(Top 21%)4842(Top 30%)4842(Top 385%)
25.2M25.20 mi0.35 mi7051+406051+416051+415521(Top 19%)4439(Top 28%)4439(Top 353%)
Finish26.22 mi1.02 mi6951+1005961+905961+906034(Top 21%)4742(Top 29%)4742(Top 377%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

8375

Males

7160

M60-64

7160

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

8982

Males

7588

M60-64

7588

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

8375

Males

7160

M60-64

7160

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

8307

Males

7047

M60-64

7047

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

8101

Males

6940

M60-64

6940

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6606

Males

5836

M60-64

5836

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

6244

Males

5481

M60-64

5481

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

6270

Males

5375

M60-64

5375

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

6166

Males

5167

M60-64

5167

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5875

Males

4974

M60-64

4974

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

5506

Males

4669

M60-64

4669

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5806

Males

4794

M60-64

4794

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5996

Males

4842

M60-64

4842

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5521

Males

4439

M60-64

4439

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

6034

Males

4742

M60-64

4742

Passing Analysis

Category:
Athletes Passed
3894*
Passed By
231
Net Change
+3663
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10614
5K → 10K911*39+872#10614#9742
10K → 15K49315+478#9742#9264
15K → 20K34234+308#9264#8956
20K → Half6411+53#8956#8903
Half → 25K4935+488#8903#8415
25K → 30K5018+493#8415#7922
30K → 20M2007+193#7922#7729
20M → 21M18122+159#7729#7570
21M → 35K1188+110#7570#7460
35K → 23M18215+167#7460#7293
23M → 24M14117+124#7293#7169
24M → 40K9820+78#7169#7091
40K → 25.2M477+40#7091#7051
25.2M → Finish12323+100#7051#6951
TOTALS3894*231+3663

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

📊

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