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BOSTON MARATHON 2025

Kevin Cahill

Bib: 30545•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
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
10:17/mi
31:57
↑ 97↓ 3451.5%
10K· 6.21 mi
9:54/mi
1:02:43
↑ 79↓ 1380.4%
15K· 9.32 mi
9:46/mi
1:33:05
↑ 67↓ 78
20K· 12.43 mi
9:54/mi
2:03:51
↑ 106↓ 860.1%
Half· 13.11 mi
9:54/mi
2:10:36
↑ 19↓ 370.5%
25K· 15.53 mi
10:46/mi
2:36:43
↑ 66↓ 880.2%
30K· 18.64 mi
10:05/mi
3:08:04
↑ 181↓ 1480.2%
20M
10:09/mi
3:21:52
↑ 64↓ 500.2%
21M
10:37/mi
3:32:29
↑ 106↓ 241.6%
35K· 21.75 mi
9:17/mi
3:39:26
↑ 17↓ 861.7%
23M
9:54/mi
3:51:50
↑ 23↓ 630.6%
24M
9:28/mi
4:01:18
↓ 821.3%
40K· 24.85 mi
9:48/mi
4:09:41
↓ 200.3%
25.2M
10:12/mi
4:13:12
↑ 13↓ 160.2%
Finish· 26.22 mi
8:44/mi
4:22:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:10:36
Pace9:58 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:11:30
Pace10:02 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4531:5710:1731:57
10:17
-
10K
6.21 mi12:23:311:02:4310:0630:46
9:54
-0:23
15K
9.32 mi12:53:531:33:059:5930:22
9:46
-0:08
20K
12.43 mi13:24:392:03:519:5830:46
9:54
+0:08
Half
13.11 mi13:31:242:10:369:586:45
9:54
0:00
25K
15.53 mi13:57:312:36:4310:0526:07
10:46
+0:52
30K
18.64 mi14:28:523:08:0410:0531:21
10:05
-0:41
20M
20.00 mi14:42:403:21:5210:0613:48
10:09
+0:04
21M
21.00 mi14:53:173:32:2910:0710:37
10:37
+0:28
35K
21.75 mi15:00:143:39:2610:056:57
9:17
-1:20
23M
23.00 mi15:12:383:51:5010:0512:24
9:54
+0:37
24M
24.00 mi15:22:064:01:1810:039:28
9:28
-0:26
40K
24.85 mi15:30:294:09:4110:038:23
9:48
+0:20
25.2M
25.20 mi15:34:004:13:1210:033:31
10:12
+0:24
Finish
26.22 mi15:42:544:22:0610:008:54
8:44
-1:28

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

10:00 /mi

Slowest Pace

10:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:19

10% of race

Time at Steady Pace

2:30:47

58% of race

Time at Slower Pace

1:26:00

33% of race

Average Pace: 10:00 /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 mi11:52:4531:5710:1731:57
10:17
#26263
10K
6.21 mi12:23:311:02:4310:0630:46
9:54
#25634
15K
9.32 mi12:53:531:33:059:5930:22
9:46
#25247
20K
12.43 mi13:24:392:03:519:5830:46
9:54
#24927
Half
13.11 mi13:31:242:10:369:586:45
9:54
#24907
25K
15.53 mi13:57:312:36:4310:0526:07
10:46
#24917
30K
18.64 mi14:28:523:08:0410:0531:21
10:05
#24421
20M
20.00 mi14:42:403:21:5210:0613:48
10:09
#24242
21M
21.00 mi14:53:173:32:2910:0710:37
10:37
#24043
35K
21.75 mi15:00:143:39:2610:056:57
9:17
#23889
23M
23.00 mi15:12:383:51:5010:0512:24
9:54
#23692
24M
24.00 mi15:22:064:01:1810:039:28
9:28
#23533
40K
24.85 mi15:30:294:09:4110:038:23
9:48
#23375
25.2M
25.20 mi15:34:004:13:1210:033:31
10:12
#23305
Finish
26.22 mi15:42:544:22:0610:008:54
8:44
#23177
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi26263152941529424490(Top 86%)14475(Top 90%)14475(Top 644%)
10K6.21 mi3.10 mi25634+62914996+29814996+29825097(Top 88%)14745(Top 92%)14745(Top 656%)
15K9.32 mi3.11 mi25247+38714820+17614820+17624490(Top 86%)14475(Top 90%)14475(Top 644%)
20K12.43 mi3.11 mi24927+32014668+15214668+15224023(Top 85%)14244(Top 88%)14244(Top 634%)
Half13.11 mi0.68 mi24907+2014655+1314655+1324584(Top 87%)14472(Top 90%)14472(Top 644%)
25K15.53 mi2.42 mi24917-1014647+814647+824848(Top 87%)14580(Top 91%)14580(Top 649%)
30K18.64 mi3.11 mi24421+49614400+24714400+24721865(Top 77%)13103(Top 81%)13103(Top 583%)
20M20.00 mi1.36 mi24242+17914300+10014300+10021446(Top 76%)12794(Top 79%)12794(Top 569%)
21M21.00 mi1.00 mi24043+19914189+11114189+11120352(Top 72%)12199(Top 76%)12199(Top 543%)
35K21.75 mi0.75 mi23889+15414110+7914110+7919538(Top 69%)11757(Top 73%)11757(Top 523%)
23M23.00 mi1.25 mi23692+19713999+11113999+11120169(Top 71%)11989(Top 74%)11989(Top 534%)
24M24.00 mi1.00 mi23533+15913911+8813911+8819506(Top 69%)11640(Top 72%)11640(Top 518%)
40K24.85 mi0.85 mi23375+15813819+9213819+9219826(Top 70%)11725(Top 73%)11725(Top 522%)
25.2M25.20 mi0.35 mi23305+7013776+4313776+4317873(Top 63%)10775(Top 67%)10775(Top 480%)
Finish26.22 mi1.02 mi23177+12813696+8013696+8017675(Top 62%)10728(Top 67%)10728(Top 477%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

24490

Males

14475

M40-44

14475

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

25097

Males

14745

M40-44

14745

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

24490

Males

14475

M40-44

14475

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24023

Males

14244

M40-44

14244

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

24584

Males

14472

M40-44

14472

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24848

Males

14580

M40-44

14580

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21865

Males

13103

M40-44

13103

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21446

Males

12794

M40-44

12794

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

20352

Males

12199

M40-44

12199

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

19538

Males

11757

M40-44

11757

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20169

Males

11989

M40-44

11989

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

19506

Males

11640

M40-44

11640

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19826

Males

11725

M40-44

11725

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17873

Males

10775

M40-44

10775

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

17675

Males

10728

M40-44

10728

Passing Analysis

Category:
Athletes Passed
3286
Passed By
200
Net Change
+3086
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26263
5K → 10K64314+629#26263#25634
10K → 15K40215+387#25634#25247
15K → 20K33717+320#25247#24927
20K → Half4020+20#24927#24907
Half → 25K103113-10#24907#24917
25K → 30K4971+496#24917#24421
30K → 20M1812+179#24421#24242
20M → 21M2034+199#24242#24043
21M → 35K1562+154#24043#23889
35K → 23M2025+197#23889#23692
23M → 24M1590+159#23692#23533
24M → 40K1591+158#23533#23375
40K → 25.2M722+70#23375#23305
25.2M → Finish1324+128#23305#23177
TOTALS3286200+3086
📊

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