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BOSTON MARATHON 2025

Kenneth Rosen

Bib: 15254•M

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
8:34/mi
26:37
↑ 97↓ 3451.5%
10K· 6.21 mi
8:37/mi
53:24
↑ 79↓ 1380.4%
15K· 9.32 mi
8:30/mi
1:19:48
↑ 67↓ 78
20K· 12.43 mi
13:38/mi
2:02:10
↑ 106↓ 860.1%
Half· 13.11 mi
14:28/mi
2:12:02
↑ 19↓ 370.5%
25K· 15.53 mi
14:34/mi
2:47:22
↑ 66↓ 880.2%
30K· 18.64 mi
14:59/mi
3:33:56
↑ 181↓ 1480.2%
20M
14:37/mi
3:53:48
↑ 64↓ 500.2%
21M
15:07/mi
4:08:55
↑ 106↓ 241.6%
35K· 21.75 mi
13:54/mi
4:19:19
↑ 17↓ 861.7%
23M
14:11/mi
4:37:04
↑ 23↓ 630.6%
24M
13:44/mi
4:50:48
↓ 821.3%
40K· 24.85 mi
13:53/mi
5:02:40
↓ 200.3%
25.2M
14:50/mi
5:07:47
↑ 13↓ 160.2%
Finish· 26.22 mi
13:30/mi
5:21:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:02
Pace10:04 /mi
2nd Half
Distance13.11 mi
Time3:09:30
Pace14:27 /mi
📊Positive Split: 43.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:59:2626:378:3426:37
8:34
-
10K
6.21 mi11:26:1353:248:3626:47
8:37
+0:03
15K
9.32 mi11:52:371:19:488:3426:24
8:30
-0:07
20K
12.43 mi12:34:592:02:109:5042:22
13:38
+5:08
Half
13.11 mi12:44:512:12:0210:049:52
14:28
+0:50
25K
15.53 mi13:20:112:47:2210:4635:20
14:34
+0:06
30K
18.64 mi14:06:453:33:5611:2946:34
14:59
+0:25
20M
20.00 mi14:26:373:53:4811:4119:52
14:37
-0:22
21M
21.00 mi14:41:444:08:5511:5115:07
15:07
+0:30
35K
21.75 mi14:52:084:19:1911:5510:24
13:54
-1:13
23M
23.00 mi15:09:534:37:0412:0317:45
14:11
+0:17
24M
24.00 mi15:23:374:50:4812:0713:44
13:44
-0:27
40K
24.85 mi15:35:295:02:4012:1111:52
13:53
+0:09
25.2M
25.20 mi15:40:365:07:4712:135:07
14:50
+0:57
Finish
26.22 mi15:54:215:21:3212:1613:45
13:30
-1:20

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

8:30 /mi

Average Pace

12:16 /mi

Slowest Pace

15:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:48

25% of race

Time at Steady Pace

3:46:37

70% of race

Time at Slower Pace

15:07

5% of race

Average Pace: 12:16 /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 mi10:59:2626:378:3426:37
8:34
#20281
10K
6.21 mi11:26:1353:248:3626:47
8:37
#20364
15K
9.32 mi11:52:371:19:488:3426:24
8:30
#20034
20K
12.43 mi12:34:592:02:109:5042:22
13:38
#24604
Half
13.11 mi12:44:512:12:0210:049:52
14:28
#25168
25K
15.53 mi13:20:112:47:2210:4635:20
14:34
#26154
30K
18.64 mi14:06:453:33:5611:2946:34
14:59
#26745
20M
20.00 mi14:26:373:53:4811:4119:52
14:37
#26890
21M
21.00 mi14:41:444:08:5511:5115:07
15:07
#26929
35K
21.75 mi14:52:084:19:1911:5510:24
13:54
#26981
23M
23.00 mi15:09:534:37:0412:0317:45
14:11
#27018
24M
24.00 mi15:23:374:50:4812:0713:44
13:44
#27043
40K
24.85 mi15:35:295:02:4012:1111:52
13:53
#27054
25.2M
25.20 mi15:40:365:07:4712:135:07
14:50
#27060
Finish
26.22 mi15:54:215:21:3212:1613:45
13:30
#27115
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi20281125571255719304(Top 68%)12188(Top 76%)12188(Top 740%)
10K6.21 mi3.10 mi20364-8312618-6112618-6120457(Top 72%)12682(Top 79%)12682(Top 770%)
15K9.32 mi3.11 mi20034+33012495+12312495+12319304(Top 68%)12188(Top 76%)12188(Top 740%)
20K12.43 mi3.11 mi24604-457014516-202114516-202128121(Top 99%)15979(Top 99%)15979(Top 970%)
Half13.11 mi0.68 mi25168-56414774-25814774-25828307(Top 100%)16053(Top 100%)16053(Top 974%)
25K15.53 mi2.42 mi26154-98615214-44015214-44028121(Top 99%)15968(Top 99%)15968(Top 969%)
30K18.64 mi3.11 mi26745-59115421-20715421-20728029(Top 99%)15892(Top 99%)15892(Top 964%)
20M20.00 mi1.36 mi26890-14515479-5815479-5827698(Top 98%)15712(Top 98%)15712(Top 953%)
21M21.00 mi1.00 mi26929-3915492-1315492-1327248(Top 96%)15484(Top 96%)15484(Top 940%)
35K21.75 mi0.75 mi26981-5215510-1815510-1827626(Top 97%)15636(Top 97%)15636(Top 949%)
23M23.00 mi1.25 mi27018-3715513-315513-327456(Top 97%)15555(Top 97%)15555(Top 944%)
24M24.00 mi1.00 mi27043-2515514-115514-127483(Top 97%)15540(Top 96%)15540(Top 943%)
40K24.85 mi0.85 mi27054-1115513+115513+127084(Top 95%)15327(Top 95%)15327(Top 930%)
25.2M25.20 mi0.35 mi27060-615512+115512+127013(Top 95%)15277(Top 95%)15277(Top 927%)
Finish26.22 mi1.02 mi27115-5515532-2015532-2027865(Top 98%)15766(Top 98%)15766(Top 957%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

19304

Males

12188

M55-59

12188

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

20457

Males

12682

M55-59

12682

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

19304

Males

12188

M55-59

12188

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

28121

Males

15979

M55-59

15979

20K→Half

12.4 - 13.1 mi

Top 100%
×2story building
+19ft-37ft

Overall

28307

Males

16053

M55-59

16053

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

28121

Males

15968

M55-59

15968

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

28029

Males

15892

M55-59

15892

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

27698

Males

15712

M55-59

15712

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

27248

Males

15484

M55-59

15484

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

27626

Males

15636

M55-59

15636

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

27456

Males

15555

M55-59

15555

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

27483

Males

15540

M55-59

15540

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

27084

Males

15327

M55-59

15327

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

27013

Males

15277

M55-59

15277

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

27865

Males

15766

M55-59

15766

Passing Analysis

Category:
Athletes Passed
719
Passed By
7553
Net Change
-6834
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20281
5K → 10K241324-83#20281#20364
10K → 15K37747+330#20364#20034
15K → 20K14571-4570#20034#24604
20K → Half0564-564#24604#25168
Half → 25K1987-986#25168#26154
25K → 30K11602-591#26154#26745
30K → 20M7152-145#26745#26890
20M → 21M1453-39#26890#26929
21M → 35K658-52#26929#26981
35K → 23M1855-37#26981#27018
23M → 24M1136-25#27018#27043
24M → 40K2132-11#27043#27054
40K → 25.2M713-6#27054#27060
25.2M → Finish459-55#27060#27115
TOTALS7197553-6834
📊

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