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BOSTON MARATHON 2025

Jon Lipton

Bib: 32471•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:59
Rank: #23646
Start → 5K
28:59 | 9:20/mi
10K· 6.21 mi
58:08
Rank: #23747 (-101)
5K → 10K
29:09 | 9:23/mi
15K· 9.32 mi
1:27:20
Rank: #23658 (+89)
10K → 15K
29:12 | 9:24/mi
20K· 12.43 mi
1:57:16
Rank: #23588 (+70)
15K → 20K
29:56 | 9:38/mi
Half· 13.11 mi
2:03:41
Rank: #23571 (+17)
20K → Half
6:25 | 9:24/mi
25K· 15.53 mi
2:27:33
Rank: #23412 (+159)
Half → 25K
23:52 | 9:51/mi
30K· 18.64 mi
2:59:59
Rank: #23263 (+149)
25K → 30K
32:26 | 10:26/mi
20M
3:14:13
Rank: #23182 (+81)
30K → 20M
14:14 | 10:28/mi
21M
3:26:08
Rank: #23189 (-7)
20M → 21M
11:55 | 11:55/mi
35K· 21.75 mi
3:33:46
Rank: #23162 (+27)
21M → 35K
7:38 | 10:12/mi
23M
3:47:31
Rank: #23176 (-14)
35K → 23M
13:45 | 10:59/mi
24M
3:57:53
Rank: #23134 (+42)
23M → 24M
10:22 | 10:22/mi
40K· 24.85 mi
4:06:54
Rank: #23088 (+46)
24M → 40K
9:01 | 10:33/mi
25.2M
4:11:28
Rank: #23129 (-41)
40K → 25.2M
4:34 | 13:15/mi
Finish· 26.22 mi
4:22:03
Rank: #23170 (-41)
25.2M → Finish
10:35 | 10:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:41
Pace9:26 /mi
2nd Half
Distance13.11 mi
Time2:18:22
Pace10:33 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3428:599:2028:59
9:20
-
10K
6.21 mi12:23:4358:089:2129:09
9:23
+0:03
15K
9.32 mi12:52:551:27:209:2229:12
9:24
+0:01
20K
12.43 mi13:22:511:57:169:2629:56
9:38
+0:14
Half
13.11 mi13:29:162:03:419:266:25
9:24
-0:14
25K
15.53 mi13:53:082:27:339:3023:52
9:51
+0:27
30K
18.64 mi14:25:342:59:599:3932:26
10:26
+0:35
20M
20.00 mi14:39:483:14:139:4314:14
10:28
+0:02
21M
21.00 mi14:51:433:26:089:4911:55
11:55
+1:27
35K
21.75 mi14:59:213:33:469:507:38
10:12
-1:43
23M
23.00 mi15:13:063:47:319:5413:45
10:59
+0:47
24M
24.00 mi15:23:283:57:539:5510:22
10:22
-0:37
40K
24.85 mi15:32:294:06:549:569:01
10:33
+0:11
25.2M
25.20 mi15:37:034:11:289:594:34
13:15
+2:42
Finish
26.22 mi15:47:384:22:0310:0010:35
10:23
-2:52

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

9:20 /mi

Average Pace

10:00 /mi

Slowest Pace

13:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:33

56% of race

Time at Steady Pace

1:24:16

32% of race

Time at Slower Pace

30:14

12% 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 mi11:54:3428:599:2028:59
9:20
#23646
10K
6.21 mi12:23:4358:089:2129:09
9:23
#23747
15K
9.32 mi12:52:551:27:209:2229:12
9:24
#23658
20K
12.43 mi13:22:511:57:169:2629:56
9:38
#23588
Half
13.11 mi13:29:162:03:419:266:25
9:24
#23571
25K
15.53 mi13:53:082:27:339:3023:52
9:51
#23412
30K
18.64 mi14:25:342:59:599:3932:26
10:26
#23263
20M
20.00 mi14:39:483:14:139:4314:14
10:28
#23182
21M
21.00 mi14:51:433:26:089:4911:55
11:55
#23189
35K
21.75 mi14:59:213:33:469:507:38
10:12
#23162
23M
23.00 mi15:13:063:47:319:5413:45
10:59
#23176
24M
24.00 mi15:23:283:57:539:5510:22
10:22
#23134
40K
24.85 mi15:32:294:06:549:569:01
10:33
#23088
25.2M
25.20 mi15:37:034:11:289:594:34
13:15
#23129
Finish
26.22 mi15:47:384:22:0310:0010:35
10:23
#23170
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi23646140781407823472(Top 83%)14049(Top 87%)14049(Top 704%)
10K6.21 mi3.10 mi23747-10114134-5614134-5623778(Top 84%)14163(Top 88%)14163(Top 710%)
15K9.32 mi3.11 mi23658+8914102+3214102+3223472(Top 83%)14049(Top 87%)14049(Top 704%)
20K12.43 mi3.11 mi23588+7014069+3314069+3323313(Top 82%)13940(Top 87%)13940(Top 698%)
Half13.11 mi0.68 mi23571+1714064+514064+523262(Top 82%)13907(Top 86%)13907(Top 697%)
25K15.53 mi2.42 mi23412+15913984+8013984+8022877(Top 81%)13688(Top 85%)13688(Top 686%)
30K18.64 mi3.11 mi23263+14913872+11213872+11222794(Top 80%)13525(Top 84%)13525(Top 678%)
20M20.00 mi1.36 mi23182+8113822+5013822+5022340(Top 79%)13205(Top 82%)13205(Top 662%)
21M21.00 mi1.00 mi23189-713801+2113801+2123440(Top 83%)13645(Top 85%)13645(Top 684%)
35K21.75 mi0.75 mi23162+2713784+1713784+1722433(Top 79%)13121(Top 81%)13121(Top 657%)
23M23.00 mi1.25 mi23176-1413751+3313751+3323176(Top 82%)13416(Top 83%)13416(Top 672%)
24M24.00 mi1.00 mi23134+4213709+4213709+4222440(Top 79%)13022(Top 81%)13022(Top 652%)
40K24.85 mi0.85 mi23088+4613673+3613673+3622038(Top 78%)12767(Top 79%)12767(Top 640%)
25.2M25.20 mi0.35 mi23129-4113687-1413687-1425347(Top 89%)14413(Top 89%)14413(Top 722%)
Finish26.22 mi1.02 mi23170-4113691-413691-423998(Top 84%)13766(Top 85%)13766(Top 690%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

23472

Males

14049

M50-54

14049

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

23778

Males

14163

M50-54

14163

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

23472

Males

14049

M50-54

14049

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

23313

Males

13940

M50-54

13940

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

23262

Males

13907

M50-54

13907

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

22877

Males

13688

M50-54

13688

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

22794

Males

13525

M50-54

13525

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

22340

Males

13205

M50-54

13205

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

23440

Males

13645

M50-54

13645

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

22433

Males

13121

M50-54

13121

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

23176

Males

13416

M50-54

13416

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

22440

Males

13022

M50-54

13022

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22038

Males

12767

M50-54

12767

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25347

Males

14413

M50-54

14413

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

23998

Males

13766

M50-54

13766

Passing Analysis

Category:
Athletes Passed
1526
Passed By
1050
Net Change
+476
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23646
5K → 10K200301-101#23646#23747
10K → 15K203114+89#23747#23658
15K → 20K173103+70#23658#23588
20K → Half2912+17#23588#23571
Half → 25K20950+159#23571#23412
25K → 30K23990+149#23412#23263
30K → 20M11231+81#23263#23182
20M → 21M6774-7#23182#23189
21M → 35K5427+27#23189#23162
35K → 23M6882-14#23162#23176
23M → 24M6927+42#23176#23134
24M → 40K7226+46#23134#23088
40K → 25.2M546-41#23088#23129
25.2M → Finish2667-41#23129#23170
TOTALS15261050+476
📊

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