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BOSTON MARATHON 2025

John Mckay Iii

Bib: 8273•M

GA

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

Start
0:00:00
Race begins
5K· 3.11 mi
35:14
Rank: #27888
Start → 5K
35:14 | 11:20/mi
10K· 6.21 mi
1:16:46
Rank: #28252 (-364)
5K → 10K
41:32 | 13:22/mi
15K· 9.32 mi
1:56:06
Rank: #28221 (+31)
10K → 15K
39:20 | 12:40/mi
20K· 12.43 mi
2:36:20
Rank: #28142 (+79)
15K → 20K
40:14 | 12:57/mi
Half· 13.11 mi
2:44:20
Rank: #28109 (+33)
20K → Half
8:00 | 11:44/mi
25K· 15.53 mi
3:16:43
Rank: #28054 (+55)
Half → 25K
32:23 | 13:21/mi
30K· 18.64 mi
4:00:31
Rank: #27999 (+55)
25K → 30K
43:48 | 14:06/mi
20M
4:20:11
Rank: #28001 (-2)
30K → 20M
19:40 | 14:28/mi
21M
4:35:09
Rank: #27987 (+14)
20M → 21M
14:58 | 14:58/mi
35K· 21.75 mi
4:45:08
Rank: #27967 (+20)
21M → 35K
9:59 | 13:21/mi
23M
5:02:54
Rank: #27956 (+11)
35K → 23M
17:46 | 14:11/mi
24M
5:18:16
Rank: #28005 (-49)
23M → 24M
15:22 | 15:22/mi
40K· 24.85 mi
5:31:00
Rank: #28011 (-6)
24M → 40K
12:44 | 14:54/mi
25.2M
5:36:16
Rank: #28001 (+10)
40K → 25.2M
5:16 | 15:16/mi
Finish· 26.22 mi
5:48:10
Rank: #27960 (+41)
25.2M → Finish
11:54 | 11:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:44:20
Pace12:32 /mi
2nd Half
Distance13.11 mi
Time3:03:50
Pace14:01 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:1135:1411:2035:14
11:20
-
10K
6.21 mi11:26:431:16:4612:2141:32
13:22
+2:02
15K
9.32 mi12:06:031:56:0612:2739:20
12:40
-0:42
20K
12.43 mi12:46:172:36:2012:3540:14
12:57
+0:17
Half
13.11 mi12:54:172:44:2012:328:00
11:44
-1:13
25K
15.53 mi13:26:403:16:4312:4032:23
13:21
+1:37
30K
18.64 mi14:10:284:00:3112:5443:48
14:06
+0:45
20M
20.00 mi14:30:084:20:1113:0119:40
14:28
+0:22
21M
21.00 mi14:45:064:35:0913:0614:58
14:58
+0:30
35K
21.75 mi14:55:054:45:0813:079:59
13:21
-1:37
23M
23.00 mi15:12:515:02:5413:1017:46
14:11
+0:50
24M
24.00 mi15:28:135:18:1613:1615:22
15:22
+1:11
40K
24.85 mi15:40:575:31:0013:1912:44
14:54
-0:28
25.2M
25.20 mi15:46:135:36:1613:215:16
15:16
+0:22
Finish
26.22 mi15:58:075:48:1013:1711:54
11:41
-3:35

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

11:20 /mi

Average Pace

13:17 /mi

Slowest Pace

15:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:28

27% of race

Time at Steady Pace

2:04:08

36% of race

Time at Slower Pace

2:09:34

37% of race

Average Pace: 13:17 /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 mi10:45:1135:1411:2035:14
11:20
#27888
10K
6.21 mi11:26:431:16:4612:2141:32
13:22
#28252
15K
9.32 mi12:06:031:56:0612:2739:20
12:40
#28221
20K
12.43 mi12:46:172:36:2012:3540:14
12:57
#28142
Half
13.11 mi12:54:172:44:2012:328:00
11:44
#28109
25K
15.53 mi13:26:403:16:4312:4032:23
13:21
#28054
30K
18.64 mi14:10:284:00:3112:5443:48
14:06
#27999
20M
20.00 mi14:30:084:20:1113:0119:40
14:28
#28001
21M
21.00 mi14:45:064:35:0913:0614:58
14:58
#27987
35K
21.75 mi14:55:054:45:0813:079:59
13:21
#27967
23M
23.00 mi15:12:515:02:5413:1017:46
14:11
#27956
24M
24.00 mi15:28:135:18:1613:1615:22
15:22
#28005
40K
24.85 mi15:40:575:31:0013:1912:44
14:54
#28011
25.2M
25.20 mi15:46:135:36:1613:215:16
15:16
#28001
Finish
26.22 mi15:58:075:48:1013:1711:54
11:41
#27960
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi27888159291592928024(Top 99%)15964(Top 99%)15964(Top 283%)
10K6.21 mi3.10 mi28252-36416050-12116050-12128357(Top 100%)16084(Top 100%)16084(Top 285%)
15K9.32 mi3.11 mi28221+3116039+1116039+1128024(Top 99%)15964(Top 99%)15964(Top 283%)
20K12.43 mi3.11 mi28142+7916008+3116008+3127800(Top 98%)15859(Top 98%)15859(Top 281%)
Half13.11 mi0.68 mi28109+3315995+1315995+1327252(Top 96%)15622(Top 97%)15622(Top 277%)
25K15.53 mi2.42 mi28054+5515976+1915976+1927537(Top 97%)15729(Top 98%)15729(Top 279%)
30K18.64 mi3.11 mi27999+5515942+3415942+3427570(Top 97%)15686(Top 97%)15686(Top 278%)
20M20.00 mi1.36 mi28001-215936+615936+627617(Top 97%)15671(Top 97%)15671(Top 278%)
21M21.00 mi1.00 mi27987+1415929+715929+727126(Top 96%)15428(Top 96%)15428(Top 273%)
35K21.75 mi0.75 mi27967+2015915+1415915+1427258(Top 96%)15469(Top 96%)15469(Top 274%)
23M23.00 mi1.25 mi27956+1115907+815907+827470(Top 97%)15564(Top 97%)15564(Top 276%)
24M24.00 mi1.00 mi28005-4915925-1815925-1828127(Top 99%)15910(Top 99%)15910(Top 282%)
40K24.85 mi0.85 mi28011-615921+415921+427723(Top 98%)15674(Top 97%)15674(Top 278%)
25.2M25.20 mi0.35 mi28001+1015916+515916+527319(Top 96%)15443(Top 96%)15443(Top 274%)
Finish26.22 mi1.02 mi27960+4115897+1915897+1926401(Top 93%)14997(Top 93%)14997(Top 266%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21stories
+97ft-345ft

Overall

28024

Males

15964

M18-39

15964

5K→10K

3.1 - 6.2 mi

Top 100%
×5stories
+79ft-138ft

Overall

28357

Males

16084

M18-39

16084

10K→15K

6.2 - 9.3 mi

Top 99%
×3stories
+67ft-78ft

Overall

28024

Males

15964

M18-39

15964

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

27800

Males

15859

M18-39

15859

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

27252

Males

15622

M18-39

15622

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

27537

Males

15729

M18-39

15729

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

27570

Males

15686

M18-39

15686

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

27617

Males

15671

M18-39

15671

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

27126

Males

15428

M18-39

15428

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

27258

Males

15469

M18-39

15469

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

27470

Males

15564

M18-39

15564

23M→24M

23.0 - 24.0 mi

Top 99%
×6stories
+12ft-82ft

Overall

28127

Males

15910

M18-39

15910

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

27723

Males

15674

M18-39

15674

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27319

Males

15443

M18-39

15443

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

26401

Males

14997

M18-39

14997

Passing Analysis

Category:
Athletes Passed
451
Passed By
523
Net Change
-72
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27888
5K → 10K8372-364#27888#28252
10K → 15K4211+31#28252#28221
15K → 20K856+79#28221#28142
20K → Half341+33#28142#28109
Half → 25K616+55#28109#28054
25K → 30K7419+55#28054#27999
30K → 20M2022-2#27999#28001
20M → 21M217+14#28001#27987
21M → 35K200+20#27987#27967
35K → 23M187+11#27967#27956
23M → 24M554-49#27956#28005
24M → 40K1016-6#28005#28011
40K → 25.2M111+10#28011#28001
25.2M → Finish421+41#28001#27960
TOTALS451523-72
📊

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