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BOSTON MARATHON 2025

Mark Mccahill

Bib: 24591•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:36
Rank: #24328
Start → 5K
29:36 | 9:32/mi
10K· 6.21 mi
59:42
Rank: #24472 (-144)
5K → 10K
30:06 | 9:41/mi
15K· 9.32 mi
1:28:44
Rank: #24093 (+379)
10K → 15K
29:02 | 9:21/mi
20K· 12.43 mi
1:57:41
Rank: #23658 (+435)
15K → 20K
28:57 | 9:19/mi
Half· 13.11 mi
2:04:04
Rank: #23641 (+17)
20K → Half
6:23 | 9:21/mi
25K· 15.53 mi
2:27:09
Rank: #23330 (+311)
Half → 25K
23:05 | 9:31/mi
30K· 18.64 mi
2:59:23
Rank: #23159 (+171)
25K → 30K
32:14 | 10:22/mi
20M
3:13:24
Rank: #23061 (+98)
30K → 20M
14:01 | 10:19/mi
21M
3:24:36
Rank: #22983 (+78)
20M → 21M
11:12 | 11:12/mi
35K· 21.75 mi
3:32:00
Rank: #22938 (+45)
21M → 35K
7:24 | 9:53/mi
23M
3:44:44
Rank: #22810 (+128)
35K → 23M
12:44 | 10:10/mi
24M
3:54:48
Rank: #22736 (+74)
23M → 24M
10:04 | 10:04/mi
40K· 24.85 mi
4:03:19
Rank: #22643 (+93)
24M → 40K
8:31 | 9:58/mi
25.2M
4:07:19
Rank: #22641 (+2)
40K → 25.2M
4:00 | 11:36/mi
Finish· 26.22 mi
4:17:51
Rank: #22695 (-54)
25.2M → Finish
10:32 | 10:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:04
Pace9:28 /mi
2nd Half
Distance13.11 mi
Time2:13:47
Pace10:12 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:5329:369:3229:36
9:32
-
10K
6.21 mi11:59:5959:429:3630:06
9:41
+0:09
15K
9.32 mi12:29:011:28:449:3129:02
9:21
-0:20
20K
12.43 mi12:57:581:57:419:2828:57
9:19
-0:02
Half
13.11 mi13:04:212:04:049:286:23
9:21
+0:02
25K
15.53 mi13:27:262:27:099:2823:05
9:31
+0:10
30K
18.64 mi13:59:402:59:239:3732:14
10:22
+0:51
20M
20.00 mi14:13:413:13:249:4014:01
10:19
-0:03
21M
21.00 mi14:24:533:24:369:4511:12
11:12
+0:53
35K
21.75 mi14:32:173:32:009:457:24
9:53
-1:19
23M
23.00 mi14:45:013:44:449:4612:44
10:10
+0:17
24M
24.00 mi14:55:053:54:489:4710:04
10:04
-0:06
40K
24.85 mi15:03:364:03:199:478:31
9:58
-0:06
25.2M
25.20 mi15:07:364:07:199:494:00
11:36
+1:38
Finish
26.22 mi15:18:084:17:519:5010:32
10:20
-1:16

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

9:19 /mi

Average Pace

9:50 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:03

45% of race

Time at Steady Pace

1:08:49

27% of race

Time at Slower Pace

1:11:59

28% of race

Average Pace: 9:50 /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 mi11:29:5329:369:3229:36
9:32
#24328
10K
6.21 mi11:59:5959:429:3630:06
9:41
#24472
15K
9.32 mi12:29:011:28:449:3129:02
9:21
#24093
20K
12.43 mi12:57:581:57:419:2828:57
9:19
#23658
Half
13.11 mi13:04:212:04:049:286:23
9:21
#23641
25K
15.53 mi13:27:262:27:099:2823:05
9:31
#23330
30K
18.64 mi13:59:402:59:239:3732:14
10:22
#23159
20M
20.00 mi14:13:413:13:249:4014:01
10:19
#23061
21M
21.00 mi14:24:533:24:369:4511:12
11:12
#22983
35K
21.75 mi14:32:173:32:009:457:24
9:53
#22938
23M
23.00 mi14:45:013:44:449:4612:44
10:10
#22810
24M
24.00 mi14:55:053:54:489:4710:04
10:04
#22736
40K
24.85 mi15:03:364:03:199:478:31
9:58
#22643
25.2M
25.20 mi15:07:364:07:199:494:00
11:36
#22641
Finish
26.22 mi15:18:084:17:519:5010:32
10:20
#22695
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi24328144001440023330(Top 82%)13989(Top 87%)13989(Top 2189%)
10K6.21 mi3.10 mi24472-14414476-7614476-7624583(Top 87%)14512(Top 90%)14512(Top 2271%)
15K9.32 mi3.11 mi24093+37914304+17214304+17223330(Top 82%)13989(Top 87%)13989(Top 2189%)
20K12.43 mi3.11 mi23658+43514105+19914105+19922318(Top 79%)13499(Top 84%)13499(Top 2113%)
Half13.11 mi0.68 mi23641+1714092+1314092+1323122(Top 81%)13841(Top 86%)13841(Top 2166%)
25K15.53 mi2.42 mi23330+31113952+14013952+14021927(Top 77%)13257(Top 82%)13257(Top 2075%)
30K18.64 mi3.11 mi23159+17113821+13113821+13122642(Top 80%)13453(Top 84%)13453(Top 2105%)
20M20.00 mi1.36 mi23061+9813754+6713754+6721904(Top 77%)13014(Top 81%)13014(Top 2037%)
21M21.00 mi1.00 mi22983+7813703+5113703+5121900(Top 77%)12929(Top 80%)12929(Top 2023%)
35K21.75 mi0.75 mi22938+4513668+3513668+3521590(Top 76%)12717(Top 79%)12717(Top 1990%)
23M23.00 mi1.25 mi22810+12813589+7913589+7921024(Top 74%)12408(Top 77%)12408(Top 1942%)
24M24.00 mi1.00 mi22736+7413535+5413535+5421536(Top 76%)12610(Top 78%)12610(Top 1973%)
40K24.85 mi0.85 mi22643+9313472+6313472+6320341(Top 72%)11961(Top 74%)11961(Top 1872%)
25.2M25.20 mi0.35 mi22641+213458+1413458+1422290(Top 78%)12940(Top 80%)12940(Top 2025%)
Finish26.22 mi1.02 mi22695-5413472-1413472-1423869(Top 84%)13703(Top 85%)13703(Top 2144%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

23330

Males

13989

M65-69

13989

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

24583

Males

14512

M65-69

14512

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

23330

Males

13989

M65-69

13989

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22318

Males

13499

M65-69

13499

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

23122

Males

13841

M65-69

13841

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

21927

Males

13257

M65-69

13257

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

22642

Males

13453

M65-69

13453

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

21904

Males

13014

M65-69

13014

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

21900

Males

12929

M65-69

12929

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

21590

Males

12717

M65-69

12717

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

21024

Males

12408

M65-69

12408

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21536

Males

12610

M65-69

12610

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20341

Males

11961

M65-69

11961

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22290

Males

12940

M65-69

12940

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

23869

Males

13703

M65-69

13703

Passing Analysis

Category:
Athletes Passed
2283
Passed By
650
Net Change
+1633
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24328
5K → 10K156300-144#24328#24472
10K → 15K40324+379#24472#24093
15K → 20K4405+435#24093#23658
20K → Half3215+17#23658#23641
Half → 25K3198+311#23641#23330
25K → 30K25887+171#23330#23159
30K → 20M12830+98#23159#23061
20M → 21M11032+78#23061#22983
21M → 35K6621+45#22983#22938
35K → 23M1357+128#22938#22810
23M → 24M9117+74#22810#22736
24M → 40K10310+93#22736#22643
40K → 25.2M1917+2#22643#22641
25.2M → Finish2377-54#22641#22695
TOTALS2283650+1633
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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