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BOSTON MARATHON 2025

Brendan Kennedy

Bib: 27020•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
8:01/mi
24:55
↑ 97↓ 3451.5%
10K· 6.21 mi
8:12/mi
50:23
↑ 79↓ 1380.4%
15K· 9.32 mi
8:17/mi
1:16:06
↑ 67↓ 78
20K· 12.43 mi
8:20/mi
1:42:00
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:47:34
↑ 19↓ 370.5%
25K· 15.53 mi
8:32/mi
2:08:15
↑ 66↓ 880.2%
30K· 18.64 mi
9:27/mi
2:37:36
↑ 181↓ 1480.2%
20M
10:17/mi
2:51:35
↑ 64↓ 500.2%
21M
10:24/mi
3:01:59
↑ 106↓ 241.6%
35K· 21.75 mi
9:27/mi
3:09:03
↑ 17↓ 861.7%
23M
9:54/mi
3:21:27
↑ 23↓ 630.6%
24M
9:43/mi
3:31:10
↓ 821.3%
40K· 24.85 mi
10:04/mi
3:39:46
↓ 200.3%
25.2M
10:41/mi
3:43:27
↑ 13↓ 160.2%
Finish· 26.22 mi
8:41/mi
3:52:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:34
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time2:04:44
Pace9:31 /mi
📊Positive Split: 16.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:5124:558:0124:55
8:01
-
10K
6.21 mi12:06:1950:238:0725:28
8:12
+0:11
15K
9.32 mi12:32:021:16:068:1025:43
8:17
+0:05
20K
12.43 mi12:57:561:42:008:1225:54
8:20
+0:03
Half
13.11 mi13:03:301:47:348:125:34
8:10
-0:10
25K
15.53 mi13:24:112:08:158:1520:41
8:32
+0:22
30K
18.64 mi13:53:322:37:368:2729:21
9:27
+0:55
20M
20.00 mi14:07:312:51:358:3513:59
10:17
+0:50
21M
21.00 mi14:17:553:01:598:4010:24
10:24
+0:07
35K
21.75 mi14:24:593:09:038:427:04
9:27
-0:57
23M
23.00 mi14:37:233:21:278:4612:24
9:54
+0:27
24M
24.00 mi14:47:063:31:108:489:43
9:43
-0:11
40K
24.85 mi14:55:423:39:468:518:36
10:04
+0:21
25.2M
25.20 mi14:59:233:43:278:523:41
10:41
+0:37
Finish
26.22 mi15:08:143:52:188:528:51
8:41
-2:00

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

8:01 /mi

Average Pace

8:52 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:06

59% of race

Time at Steady Pace

58:32

25% of race

Time at Slower Pace

36:40

16% of race

Average Pace: 8:52 /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 mi11:40:5124:558:0124:55
8:01
#16733
10K
6.21 mi12:06:1950:238:0725:28
8:12
#17316
15K
9.32 mi12:32:021:16:068:1025:43
8:17
#17523
20K
12.43 mi12:57:561:42:008:1225:54
8:20
#17390
Half
13.11 mi13:03:301:47:348:125:34
8:10
#17361
25K
15.53 mi13:24:112:08:158:1520:41
8:32
#17311
30K
18.64 mi13:53:322:37:368:2729:21
9:27
#17815
20M
20.00 mi14:07:312:51:358:3513:59
10:17
#18292
21M
21.00 mi14:17:553:01:598:4010:24
10:24
#18392
35K
21.75 mi14:24:593:09:038:427:04
9:27
#18498
23M
23.00 mi14:37:233:21:278:4612:24
9:54
#18635
24M
24.00 mi14:47:063:31:108:489:43
9:43
#18771
40K
24.85 mi14:55:423:39:468:518:36
10:04
#18846
25.2M
25.20 mi14:59:233:43:278:523:41
10:41
#18869
Finish
26.22 mi15:08:143:52:188:528:51
8:41
#18802
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16733110951109517887(Top 63%)11589(Top 72%)11589(Top 205%)
10K6.21 mi3.10 mi17316-58311348-25311348-25317863(Top 63%)11597(Top 72%)11597(Top 206%)
15K9.32 mi3.11 mi17523-20711447-9911447-9917887(Top 63%)11589(Top 72%)11589(Top 205%)
20K12.43 mi3.11 mi17390+13311370+7711370+7717133(Top 60%)11242(Top 70%)11242(Top 199%)
Half13.11 mi0.68 mi17361+2911352+1811352+1817007(Top 60%)11198(Top 70%)11198(Top 198%)
25K15.53 mi2.42 mi17311+5011315+3711315+3717372(Top 61%)11263(Top 70%)11263(Top 200%)
30K18.64 mi3.11 mi17815-50411469-15411469-15419722(Top 69%)12159(Top 75%)12159(Top 216%)
20M20.00 mi1.36 mi18292-47711661-19211661-19221823(Top 77%)12960(Top 80%)12960(Top 230%)
21M21.00 mi1.00 mi18392-10011675-1411675-1419693(Top 69%)11903(Top 74%)11903(Top 211%)
35K21.75 mi0.75 mi18498-10611710-3511710-3520118(Top 71%)12021(Top 75%)12021(Top 213%)
23M23.00 mi1.25 mi18635-13711742-3211742-3220152(Top 71%)11972(Top 74%)11972(Top 212%)
24M24.00 mi1.00 mi18771-13611775-3311775-3320434(Top 72%)12067(Top 75%)12067(Top 214%)
40K24.85 mi0.85 mi18846-7511779-411779-420629(Top 73%)12102(Top 75%)12102(Top 214%)
25.2M25.20 mi0.35 mi18869-2311785-611785-619622(Top 69%)11605(Top 72%)11605(Top 206%)
Finish26.22 mi1.02 mi18802+6711732+5311732+5317372(Top 61%)10585(Top 66%)10585(Top 188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

17887

Males

11589

M18-39

11589

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

17863

Males

11597

M18-39

11597

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

17887

Males

11589

M18-39

11589

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

17133

Males

11242

M18-39

11242

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

17007

Males

11198

M18-39

11198

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17372

Males

11263

M18-39

11263

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

19722

Males

12159

M18-39

12159

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

21823

Males

12960

M18-39

12960

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

19693

Males

11903

M18-39

11903

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

20118

Males

12021

M18-39

12021

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20152

Males

11972

M18-39

11972

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

20434

Males

12067

M18-39

12067

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20629

Males

12102

M18-39

12102

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19622

Males

11605

M18-39

11605

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

17372

Males

10585

M18-39

10585

Passing Analysis

Category:
Athletes Passed
1247
Passed By
3316
Net Change
-2069
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16733
5K → 10K117700-583#16733#17316
10K → 15K133340-207#17316#17523
15K → 20K247114+133#17523#17390
20K → Half4516+29#17390#17361
Half → 25K193143+50#17361#17311
25K → 30K98602-504#17311#17815
30K → 20M38515-477#17815#18292
20M → 21M71171-100#18292#18392
21M → 35K27133-106#18392#18498
35K → 23M74211-137#18498#18635
23M → 24M34170-136#18635#18771
24M → 40K47122-75#18771#18846
40K → 25.2M2346-23#18846#18869
25.2M → Finish10033+67#18869#18802
TOTALS12473316-2069
📊

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