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BOSTON MARATHON 2025

Gordon Kamimura

Bib: 21211•M

HI

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
8:44/mi
27:09
↑ 97↓ 3451.5%
10K· 6.21 mi
8:47/mi
54:26
↑ 79↓ 1380.4%
15K· 9.32 mi
8:58/mi
1:22:19
↑ 67↓ 78
20K· 12.43 mi
9:24/mi
1:51:32
↑ 106↓ 860.1%
Half· 13.11 mi
8:55/mi
1:57:37
↑ 19↓ 370.5%
25K· 15.53 mi
9:54/mi
2:21:37
↑ 66↓ 880.2%
30K· 18.64 mi
11:12/mi
2:56:26
↑ 181↓ 1480.2%
20M
11:41/mi
3:12:18
↑ 64↓ 500.2%
21M
13:43/mi
3:26:01
↑ 106↓ 241.6%
35K· 21.75 mi
11:39/mi
3:34:44
↑ 17↓ 861.7%
23M
11:12/mi
3:48:46
↑ 23↓ 630.6%
24M
11:07/mi
3:59:53
↓ 821.3%
40K· 24.85 mi
11:24/mi
4:09:38
↓ 200.3%
25.2M
12:40/mi
4:14:00
↑ 13↓ 160.2%
Finish· 26.22 mi
10:24/mi
4:24:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:37
Pace8:58 /mi
2nd Half
Distance13.11 mi
Time2:26:59
Pace11:13 /mi
📊Positive Split: 25.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2427:098:4427:09
8:44
-
10K
6.21 mi11:48:4154:268:4627:17
8:47
+0:03
15K
9.32 mi12:16:341:22:198:5027:53
8:58
+0:11
20K
12.43 mi12:45:471:51:328:5829:13
9:24
+0:26
Half
13.11 mi12:51:521:57:378:586:05
8:55
-0:29
25K
15.53 mi13:15:522:21:379:0724:00
9:54
+0:59
30K
18.64 mi13:50:412:56:269:2834:49
11:12
+1:18
20M
20.00 mi14:06:333:12:189:3715:52
11:41
+0:29
21M
21.00 mi14:20:163:26:019:4913:43
13:43
+2:02
35K
21.75 mi14:28:593:34:449:528:43
11:39
-2:04
23M
23.00 mi14:43:013:48:469:5714:02
11:12
-0:27
24M
24.00 mi14:54:083:59:5310:0011:07
11:07
-0:05
40K
24.85 mi15:03:534:09:3810:039:45
11:24
+0:17
25.2M
25.20 mi15:08:154:14:0010:054:22
12:40
+1:16
Finish
26.22 mi15:18:514:24:3610:0610:36
10:24
-2:16

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

8:44 /mi

Average Pace

10:06 /mi

Slowest Pace

13:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:37

54% of race

Time at Steady Pace

1:44:54

40% of race

Time at Slower Pace

18:05

7% of race

Average Pace: 10:05 /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 mi11:21:2427:098:4427:09
8:44
#21195
10K
6.21 mi11:48:4154:268:4627:17
8:47
#21221
15K
9.32 mi12:16:341:22:198:5027:53
8:58
#21446
20K
12.43 mi12:45:471:51:328:5829:13
9:24
#21816
Half
13.11 mi12:51:521:57:378:586:05
8:55
#21790
25K
15.53 mi13:15:522:21:379:0724:00
9:54
#22076
30K
18.64 mi13:50:412:56:269:2834:49
11:12
#22704
20M
20.00 mi14:06:333:12:189:3715:52
11:41
#22893
21M
21.00 mi14:20:163:26:019:4913:43
13:43
#23169
35K
21.75 mi14:28:593:34:449:528:43
11:39
#23288
23M
23.00 mi14:43:013:48:469:5714:02
11:12
#23321
24M
24.00 mi14:54:083:59:5310:0011:07
11:07
#23375
40K
24.85 mi15:03:534:09:3810:039:45
11:24
#23372
25.2M
25.20 mi15:08:154:14:0010:054:22
12:40
#23401
Finish
26.22 mi15:18:514:24:3610:0610:36
10:24
#23454
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi21195129451294521915(Top 77%)13360(Top 83%)13360(Top 1061%)
10K6.21 mi3.10 mi21221-2612991-4612991-4621317(Top 75%)13057(Top 81%)13057(Top 1037%)
15K9.32 mi3.11 mi21446-22513110-11913110-11921915(Top 77%)13360(Top 83%)13360(Top 1061%)
20K12.43 mi3.11 mi21816-37013254-14413254-14422588(Top 80%)13617(Top 85%)13617(Top 1082%)
Half13.11 mi0.68 mi21790+2613244+1013244+1021471(Top 76%)13127(Top 82%)13127(Top 1043%)
25K15.53 mi2.42 mi22076-28613370-12613370-12622998(Top 81%)13747(Top 85%)13747(Top 1092%)
30K18.64 mi3.11 mi22704-62813624-25413624-25424383(Top 86%)14251(Top 88%)14251(Top 1132%)
20M20.00 mi1.36 mi22893-18913675-5113675-5124823(Top 87%)14389(Top 89%)14389(Top 1143%)
21M21.00 mi1.00 mi23169-27613795-12013795-12025907(Top 91%)14843(Top 92%)14843(Top 1179%)
35K21.75 mi0.75 mi23288-11913829-3413829-3425329(Top 89%)14507(Top 90%)14507(Top 1152%)
23M23.00 mi1.25 mi23321-3313828+113828+123687(Top 83%)13684(Top 85%)13684(Top 1087%)
24M24.00 mi1.00 mi23375-5413836-813836-824219(Top 85%)13929(Top 86%)13929(Top 1106%)
40K24.85 mi0.85 mi23372+313817+1913817+1923967(Top 84%)13756(Top 85%)13756(Top 1093%)
25.2M25.20 mi0.35 mi23401-2913824-713824-724484(Top 86%)14003(Top 87%)14003(Top 1112%)
Finish26.22 mi1.02 mi23454-5313829-513829-524043(Top 85%)13789(Top 86%)13789(Top 1095%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

21915

Males

13360

M60-64

13360

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

21317

Males

13057

M60-64

13057

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

21915

Males

13360

M60-64

13360

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

22588

Males

13617

M60-64

13617

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21471

Males

13127

M60-64

13127

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

22998

Males

13747

M60-64

13747

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

24383

Males

14251

M60-64

14251

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

24823

Males

14389

M60-64

14389

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

25907

Males

14843

M60-64

14843

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

25329

Males

14507

M60-64

14507

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23687

Males

13684

M60-64

13684

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

24219

Males

13929

M60-64

13929

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23967

Males

13756

M60-64

13756

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24484

Males

14003

M60-64

14003

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

24043

Males

13789

M60-64

13789

Passing Analysis

Category:
Athletes Passed
911
Passed By
3170
Net Change
-2259
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21195
5K → 10K265291-26#21195#21221
10K → 15K133358-225#21221#21446
15K → 20K98468-370#21446#21816
20K → Half4216+26#21816#21790
Half → 25K68354-286#21790#22076
25K → 30K57685-628#22076#22704
30K → 20M36225-189#22704#22893
20M → 21M19295-276#22893#23169
21M → 35K16135-119#23169#23288
35K → 23M5285-33#23288#23321
23M → 24M3690-54#23321#23375
24M → 40K4946+3#23375#23372
40K → 25.2M1645-29#23372#23401
25.2M → Finish2477-53#23401#23454
TOTALS9113170-2259
📊

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