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BOSTON MARATHON 2025

John Porter

Bib: 16830•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
34:46
Rank: #27753
Start → 5K
11:11/mi
34:46 split
10K· 6.21 mi
1:09:43
Rank: #27562 (+191)
5K → 10K
11:15/mi
34:57 split
15K· 9.32 mi
1:48:36
Rank: #27768 (-206)
10K → 15K
12:31/mi
38:53 split
20K· 12.43 mi
2:31:40
Rank: #27953 (-185)
15K → 20K
13:52/mi
43:04 split
Half· 13.11 mi
2:40:40
Rank: #27959 (-6)
20K → Half
13:11/mi
9:00 split
25K· 15.53 mi
3:18:10
Rank: #28102 (-143)
Half → 25K
15:28/mi
37:30 split
30K· 18.64 mi
4:05:41
Rank: #28156 (-54)
25K → 30K
15:18/mi
47:31 split
20M
4:26:57
Rank: #28173 (-17)
30K → 20M
15:39/mi
21:16 split
21M
4:43:48
Rank: #28187 (-14)
20M → 21M
16:51/mi
16:51 split
35K· 21.75 mi
4:56:51
Rank: #28237 (-50)
21M → 35K
17:27/mi
13:03 split
23M
5:19:12
Rank: #28279 (-42)
35K → 23M
17:51/mi
22:21 split
24M
5:37:04
Rank: #28324 (-45)
23M → 24M
17:52/mi
17:52 split
40K· 24.85 mi
5:52:20
Rank: #28336 (-12)
24M → 40K
17:52/mi
15:16 split
25.2M
5:58:56
Rank: #28343 (-7)
40K → 25.2M
19:08/mi
6:36 split
Finish· 26.22 mi
6:17:11
Rank: #28361 (-18)
25.2M → Finish
17:55/mi
18:15 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:40:40
Pace12:15 /mi
2nd Half
Distance13.11 mi
Time3:36:31
Pace16:31 /mi
📊Positive Split: 34.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:10:0334:4611:1134:46
11:11
-
10K
6.21 mi11:45:001:09:4311:1334:57
11:15
+0:04
15K
9.32 mi12:23:531:48:3611:3938:53
12:31
+1:16
20K
12.43 mi13:06:572:31:4012:1243:04
13:52
+1:21
Half
13.11 mi13:15:572:40:4012:159:00
13:11
-0:41
25K
15.53 mi13:53:273:18:1012:4537:30
15:28
+2:17
30K
18.64 mi14:40:584:05:4113:1147:31
15:18
-0:10
20M
20.00 mi15:02:144:26:5713:2121:16
15:39
+0:21
21M
21.00 mi15:19:054:43:4813:3116:51
16:51
+1:12
35K
21.75 mi15:32:084:56:5113:3913:03
17:27
+0:36
23M
23.00 mi15:54:295:19:1213:5322:21
17:51
+0:24
24M
24.00 mi16:12:215:37:0414:0317:52
17:52
+0:01
40K
24.85 mi16:27:375:52:2014:1115:16
17:52
0:00
25.2M
25.20 mi16:34:135:58:5614:156:36
19:08
+1:16
Finish
26.22 mi16:52:286:17:1114:2418:15
17:55
-1:13

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

11:11 /mi

Average Pace

14:24 /mi

Slowest Pace

19:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:40

43% of race

Time at Steady Pace

2:03:08

33% of race

Time at Slower Pace

1:33:23

25% of race

Average Pace: 14:23 /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 mi11:10:0334:4611:1134:46
11:11
#27753
10K
6.21 mi11:45:001:09:4311:1334:57
11:15
#27562
15K
9.32 mi12:23:531:48:3611:3938:53
12:31
#27768
20K
12.43 mi13:06:572:31:4012:1243:04
13:52
#27953
Half
13.11 mi13:15:572:40:4012:159:00
13:11
#27959
25K
15.53 mi13:53:273:18:1012:4537:30
15:28
#28102
30K
18.64 mi14:40:584:05:4113:1147:31
15:18
#28156
20M
20.00 mi15:02:144:26:5713:2121:16
15:39
#28173
21M
21.00 mi15:19:054:43:4813:3116:51
16:51
#28187
35K
21.75 mi15:32:084:56:5113:3913:03
17:27
#28237
23M
23.00 mi15:54:295:19:1213:5322:21
17:51
#28279
24M
24.00 mi16:12:215:37:0414:0317:52
17:52
#28324
40K
24.85 mi16:27:375:52:2014:1115:16
17:52
#28336
25.2M
25.20 mi16:34:135:58:5614:156:36
19:08
#28343
Finish
26.22 mi16:52:286:17:1114:2418:15
17:55
#28361
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi27753158871588727942(Top 98%)15933(Top 99%)15933(Top 1266%)
10K6.21 mi3.10 mi27562+19115816+7115816+7127331(Top 96%)15697(Top 97%)15697(Top 1247%)
15K9.32 mi3.11 mi27768-20615874-5815874-5827942(Top 98%)15933(Top 99%)15933(Top 1266%)
20K12.43 mi3.11 mi27953-18515940-6615940-6628199(Top 99%)16011(Top 99%)16011(Top 1272%)
Half13.11 mi0.68 mi27959-615942-215942-228082(Top 99%)15956(Top 99%)15956(Top 1267%)
25K15.53 mi2.42 mi28102-14315990-4815990-4828304(Top 100%)16048(Top 100%)16048(Top 1275%)
30K18.64 mi3.11 mi28156-5416004-1416004-1428135(Top 99%)15956(Top 99%)15956(Top 1267%)
20M20.00 mi1.36 mi28173-1716005-116005-128082(Top 99%)15914(Top 99%)15914(Top 1264%)
21M21.00 mi1.00 mi28187-1416003+216003+228112(Top 99%)15929(Top 99%)15929(Top 1265%)
35K21.75 mi0.75 mi28237-5016020-1716020-1728329(Top 100%)16053(Top 100%)16053(Top 1275%)
23M23.00 mi1.25 mi28279-4216036-1616036-1628323(Top 100%)16047(Top 100%)16047(Top 1275%)
24M24.00 mi1.00 mi28324-4516059-2316059-2328352(Top 100%)16068(Top 100%)16068(Top 1276%)
40K24.85 mi0.85 mi28336-1216064-516064-528308(Top 100%)16040(Top 100%)16040(Top 1274%)
25.2M25.20 mi0.35 mi28343-716067-316067-328320(Top 100%)16044(Top 100%)16044(Top 1274%)
Finish26.22 mi1.02 mi28361-1816075-816075-828367(Top 100%)16081(Top 100%)16081(Top 1277%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

27942

Males

15933

M60-64

15933

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

27331

Males

15697

M60-64

15697

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

27942

Males

15933

M60-64

15933

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

28199

Males

16011

M60-64

16011

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

28082

Males

15956

M60-64

15956

Half→25K

13.1 - 15.5 mi

Top 100%
×4story building
+66ft-88ft

Overall

28304

Males

16048

M60-64

16048

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

28135

Males

15956

M60-64

15956

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

28082

Males

15914

M60-64

15914

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

28112

Males

15929

M60-64

15929

21M→35K

21.0 - 21.8 mi

Top 100%
×7story building
+17ft-86ft

Overall

28329

Males

16053

M60-64

16053

35K→23M

21.8 - 23.0 mi

Top 100%
×5story building
+23ft-63ft

Overall

28323

Males

16047

M60-64

16047

23M→24M

23.0 - 24.0 mi

Top 100%
×6story building
+12ft-82ft

Overall

28352

Males

16068

M60-64

16068

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

28308

Males

16040

M60-64

16040

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

28320

Males

16044

M60-64

16044

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

28367

Males

16081

M60-64

16081

Passing Analysis

Category:
Athletes Passed
302
Passed By
910
Net Change
-608
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27753
5K → 10K22130+191#27753#27562
10K → 15K30236-206#27562#27768
15K → 20K5190-185#27768#27953
20K → Half814-6#27953#27959
Half → 25K11154-143#27959#28102
25K → 30K1367-54#28102#28156
30K → 20M623-17#28156#28173
20M → 21M620-14#28173#28187
21M → 35K252-50#28187#28237
35K → 23M042-42#28237#28279
23M → 24M045-45#28279#28324
24M → 40K012-12#28324#28336
40K → 25.2M07-7#28336#28343
25.2M → Finish018-18#28343#28361
TOTALS302910-608
📊

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