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BOSTON MARATHON 2025

Peter Kelly

Bib: 28827•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
8:33/mi
26:33
↑ 97↓ 3451.5%
10K· 6.21 mi
8:07/mi
51:45
↑ 79↓ 1380.4%
15K· 9.32 mi
8:24/mi
1:17:50
↑ 67↓ 78
20K· 12.43 mi
8:28/mi
1:44:08
↑ 106↓ 860.1%
Half· 13.11 mi
8:15/mi
1:49:46
↑ 19↓ 370.5%
25K· 15.53 mi
8:50/mi
2:11:11
↑ 66↓ 880.2%
30K· 18.64 mi
9:28/mi
2:40:36
↑ 181↓ 1480.2%
20M
9:41/mi
2:53:46
↑ 64↓ 500.2%
21M
10:24/mi
3:04:10
↑ 106↓ 241.6%
35K· 21.75 mi
8:52/mi
3:10:48
↑ 17↓ 861.7%
23M
9:27/mi
3:22:38
↑ 23↓ 630.6%
24M
9:17/mi
3:31:55
↓ 821.3%
40K· 24.85 mi
9:45/mi
3:40:15
↓ 200.3%
25.2M
10:23/mi
3:43:50
↑ 13↓ 160.2%
Finish· 26.22 mi
9:33/mi
3:53:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:46
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time2:03:48
Pace9:27 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:4626:338:3326:33
8:33
-
10K
6.21 mi12:09:5851:458:2025:12
8:07
-0:26
15K
9.32 mi12:36:031:17:508:2126:05
8:24
+0:17
20K
12.43 mi13:02:211:44:088:2326:18
8:28
+0:04
Half
13.11 mi13:07:591:49:468:225:38
8:15
-0:13
25K
15.53 mi13:29:242:11:118:2721:25
8:50
+0:35
30K
18.64 mi13:58:492:40:368:3729:25
9:28
+0:38
20M
20.00 mi14:11:592:53:468:4113:10
9:41
+0:13
21M
21.00 mi14:22:233:04:108:4610:24
10:24
+0:43
35K
21.75 mi14:29:013:10:488:466:38
8:52
-1:32
23M
23.00 mi14:40:513:22:388:4911:50
9:27
+0:35
24M
24.00 mi14:50:083:31:558:509:17
9:17
-0:10
40K
24.85 mi14:58:283:40:158:528:20
9:45
+0:28
25.2M
25.20 mi15:02:033:43:508:533:35
10:23
+0:38
Finish
26.22 mi15:11:473:53:348:559:44
9:33
-0:50

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

8:07 /mi

Average Pace

8:55 /mi

Slowest Pace

10:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:49

59% of race

Time at Steady Pace

1:00:16

26% of race

Time at Slower Pace

35:29

15% of race

Average Pace: 8:54 /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 mi11:44:4626:338:3326:33
8:33
#20158
10K
6.21 mi12:09:5851:458:2025:12
8:07
#18787
15K
9.32 mi12:36:031:17:508:2126:05
8:24
#18728
20K
12.43 mi13:02:211:44:088:2326:18
8:28
#18514
Half
13.11 mi13:07:591:49:468:225:38
8:15
#18467
25K
15.53 mi13:29:242:11:118:2721:25
8:50
#18559
30K
18.64 mi13:58:492:40:368:3729:25
9:28
#18841
20M
20.00 mi14:11:592:53:468:4113:10
9:41
#18962
21M
21.00 mi14:22:233:04:108:4610:24
10:24
#19011
35K
21.75 mi14:29:013:10:488:466:38
8:52
#18954
23M
23.00 mi14:40:513:22:388:4911:50
9:27
#18930
24M
24.00 mi14:50:083:31:558:509:17
9:17
#18934
40K
24.85 mi14:58:283:40:158:528:20
9:45
#18945
25.2M
25.20 mi15:02:033:43:508:533:35
10:23
#18943
Finish
26.22 mi15:11:473:53:348:559:44
9:33
#19049
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20158125051250518669(Top 66%)11914(Top 74%)11914(Top 211%)
10K6.21 mi3.10 mi18787+137111944+56111944+56117278(Top 61%)11360(Top 71%)11360(Top 201%)
15K9.32 mi3.11 mi18728+5911925+1911925+1918669(Top 66%)11914(Top 74%)11914(Top 211%)
20K12.43 mi3.11 mi18514+21411833+9211833+9217984(Top 63%)11607(Top 72%)11607(Top 206%)
Half13.11 mi0.68 mi18467+4711823+1011823+1017626(Top 62%)11468(Top 71%)11468(Top 203%)
25K15.53 mi2.42 mi18559-9211834-1111834-1119090(Top 67%)12013(Top 75%)12013(Top 213%)
30K18.64 mi3.11 mi18841-28211934-10011934-10019807(Top 70%)12204(Top 76%)12204(Top 216%)
20M20.00 mi1.36 mi18962-12111953-1911953-1919891(Top 70%)12116(Top 75%)12116(Top 215%)
21M21.00 mi1.00 mi19011-4911946+711946+719696(Top 69%)11906(Top 74%)11906(Top 211%)
35K21.75 mi0.75 mi18954+5711902+4411902+4417588(Top 62%)10866(Top 67%)10866(Top 193%)
23M23.00 mi1.25 mi18930+2411868+3411868+3418456(Top 65%)11201(Top 70%)11201(Top 199%)
24M24.00 mi1.00 mi18934-411844+2411844+2418730(Top 66%)11286(Top 70%)11286(Top 200%)
40K24.85 mi0.85 mi18945-1111822+2211822+2219618(Top 69%)11617(Top 72%)11617(Top 206%)
25.2M25.20 mi0.35 mi18943+211812+1011812+1018586(Top 65%)11118(Top 69%)11118(Top 197%)
Finish26.22 mi1.02 mi19049-10611837-2511837-2521347(Top 75%)12453(Top 77%)12453(Top 221%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

18669

Males

11914

M18-39

11914

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17278

Males

11360

M18-39

11360

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

18669

Males

11914

M18-39

11914

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

17984

Males

11607

M18-39

11607

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

17626

Males

11468

M18-39

11468

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

19090

Males

12013

M18-39

12013

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

19807

Males

12204

M18-39

12204

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

19891

Males

12116

M18-39

12116

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

19696

Males

11906

M18-39

11906

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

17588

Males

10866

M18-39

10866

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

18456

Males

11201

M18-39

11201

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

18730

Males

11286

M18-39

11286

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19618

Males

11617

M18-39

11617

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18586

Males

11118

M18-39

11118

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

21347

Males

12453

M18-39

12453

Passing Analysis

Category:
Athletes Passed
2824
Passed By
1715
Net Change
+1109
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20158
5K → 10K138615+1371#20158#18787
10K → 15K216157+59#18787#18728
15K → 20K31399+214#18728#18514
20K → Half6316+47#18514#18467
Half → 25K142234-92#18467#18559
25K → 30K164446-282#18559#18841
30K → 20M69190-121#18841#18962
20M → 21M84133-49#18962#19011
21M → 35K8528+57#19011#18954
35K → 23M10884+24#18954#18930
23M → 24M6569-4#18930#18934
24M → 40K7182-11#18934#18945
40K → 25.2M3129+2#18945#18943
25.2M → Finish27133-106#18943#19049
TOTALS28241715+1109
📊

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