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BOSTON MARATHON 2025

Jonathan Mamou

Bib: 12812•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:46
Rank: #13515
Start → 5K
23:46 | 7:39/mi
10K· 6.21 mi
48:00
Rank: #14110 (-595)
5K → 10K
24:14 | 7:48/mi
15K· 9.32 mi
1:12:39
Rank: #14576 (-466)
10K → 15K
24:39 | 7:56/mi
20K· 12.43 mi
1:37:27
Rank: #14608 (-32)
15K → 20K
24:48 | 7:59/mi
Half· 13.11 mi
1:42:50
Rank: #14611 (-3)
20K → Half
5:23 | 7:53/mi
25K· 15.53 mi
2:03:04
Rank: #14924 (-313)
Half → 25K
20:14 | 8:21/mi
30K· 18.64 mi
2:30:45
Rank: #15410 (-486)
25K → 30K
27:41 | 8:55/mi
20M
2:43:04
Rank: #15506 (-96)
30K → 20M
12:19 | 9:04/mi
21M
2:54:03
Rank: #15999 (-493)
20M → 21M
10:59 | 10:59/mi
35K· 21.75 mi
3:00:28
Rank: #15966 (+33)
21M → 35K
6:25 | 8:35/mi
23M
3:11:26
Rank: #15831 (+135)
35K → 23M
10:58 | 8:46/mi
24M
3:20:13
Rank: #15846 (-15)
23M → 24M
8:47 | 8:47/mi
40K· 24.85 mi
3:27:12
Rank: #15652 (+194)
24M → 40K
6:59 | 8:10/mi
25.2M
3:30:34
Rank: #15655 (-3)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:38:29
Rank: #15482 (+173)
25.2M → Finish
7:55 | 7:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:50
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:55:39
Pace8:49 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1323:467:3923:46
7:39
-
10K
6.21 mi11:16:2748:007:4324:14
7:48
+0:09
15K
9.32 mi11:41:061:12:397:4824:39
7:56
+0:08
20K
12.43 mi12:05:541:37:277:5024:48
7:59
+0:03
Half
13.11 mi12:11:171:42:507:515:23
7:53
-0:06
25K
15.53 mi12:31:312:03:047:5520:14
8:21
+0:28
30K
18.64 mi12:59:122:30:458:0527:41
8:55
+0:34
20M
20.00 mi13:11:312:43:048:0912:19
9:04
+0:09
21M
21.00 mi13:22:302:54:038:1710:59
10:59
+1:55
35K
21.75 mi13:28:553:00:288:186:25
8:35
-2:24
23M
23.00 mi13:39:533:11:268:1910:58
8:46
+0:11
24M
24.00 mi13:48:403:20:138:218:47
8:47
+0:01
40K
24.85 mi13:55:393:27:128:206:59
8:10
-0:37
25.2M
25.20 mi13:59:013:30:348:213:22
9:46
+1:36
Finish
26.22 mi14:06:563:38:298:207:55
7:46
-2:00

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

7:39 /mi

Average Pace

8:20 /mi

Slowest Pace

10:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:18

28% of race

Time at Steady Pace

1:34:03

43% of race

Time at Slower Pace

1:03:08

29% of race

Average Pace: 8:20 /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 mi10:52:1323:467:3923:46
7:39
#13515
10K
6.21 mi11:16:2748:007:4324:14
7:48
#14110
15K
9.32 mi11:41:061:12:397:4824:39
7:56
#14576
20K
12.43 mi12:05:541:37:277:5024:48
7:59
#14608
Half
13.11 mi12:11:171:42:507:515:23
7:53
#14611
25K
15.53 mi12:31:312:03:047:5520:14
8:21
#14924
30K
18.64 mi12:59:122:30:458:0527:41
8:55
#15410
20M
20.00 mi13:11:312:43:048:0912:19
9:04
#15506
21M
21.00 mi13:22:302:54:038:1710:59
10:59
#15999
35K
21.75 mi13:28:553:00:288:186:25
8:35
#15966
23M
23.00 mi13:39:533:11:268:1910:58
8:46
#15831
24M
24.00 mi13:48:403:20:138:218:47
8:47
#15846
40K
24.85 mi13:55:393:27:128:206:59
8:10
#15652
25.2M
25.20 mi13:59:013:30:348:213:22
9:46
#15655
Finish
26.22 mi14:06:563:38:298:207:55
7:46
#15482
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi135159868986815506(Top 55%)10597(Top 66%)10597(Top 444%)
10K6.21 mi3.10 mi14110-59510068-20010068-20014787(Top 52%)10333(Top 64%)10333(Top 433%)
15K9.32 mi3.11 mi14576-46610234-16610234-16615506(Top 55%)10597(Top 66%)10597(Top 444%)
20K12.43 mi3.11 mi14608-3210217+1710217+1714785(Top 52%)10222(Top 63%)10222(Top 428%)
Half13.11 mi0.68 mi14611-310215+210215+214968(Top 53%)10330(Top 64%)10330(Top 433%)
25K15.53 mi2.42 mi14924-31310300-8510300-8516196(Top 57%)10725(Top 67%)10725(Top 449%)
30K18.64 mi3.11 mi15410-48610469-16910469-16917204(Top 61%)11020(Top 68%)11020(Top 462%)
20M20.00 mi1.36 mi15506-9610488-1910488-1917112(Top 60%)10865(Top 67%)10865(Top 455%)
21M21.00 mi1.00 mi15999-49310655-16710655-16721326(Top 75%)12655(Top 79%)12655(Top 530%)
35K21.75 mi0.75 mi15966+3310619+3610619+3615906(Top 56%)10133(Top 63%)10133(Top 425%)
23M23.00 mi1.25 mi15831+13510520+9910520+9914867(Top 52%)9570(Top 59%)9570(Top 401%)
24M24.00 mi1.00 mi15846-1510511+910511+916200(Top 57%)10115(Top 63%)10115(Top 424%)
40K24.85 mi0.85 mi15652+19410403+10810403+10811369(Top 40%)7760(Top 48%)7760(Top 325%)
25.2M25.20 mi0.35 mi15655-310389+1410389+1415865(Top 56%)9802(Top 61%)9802(Top 411%)
Finish26.22 mi1.02 mi15482+17310294+9510294+9511212(Top 39%)7630(Top 47%)7630(Top 320%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

15506

Males

10597

M45-49

10597

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

14787

Males

10333

M45-49

10333

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

15506

Males

10597

M45-49

10597

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

14785

Males

10222

M45-49

10222

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

14968

Males

10330

M45-49

10330

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

16196

Males

10725

M45-49

10725

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

17204

Males

11020

M45-49

11020

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

17112

Males

10865

M45-49

10865

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

21326

Males

12655

M45-49

12655

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

15906

Males

10133

M45-49

10133

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

14867

Males

9570

M45-49

9570

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16200

Males

10115

M45-49

10115

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11369

Males

7760

M45-49

7760

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15865

Males

9802

M45-49

9802

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

11212

Males

7630

M45-49

7630

Passing Analysis

Category:
Athletes Passed
1506
Passed By
3473
Net Change
-1967
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13515
5K → 10K109704-595#13515#14110
10K → 15K87553-466#14110#14576
15K → 20K190222-32#14576#14608
20K → Half4144-3#14608#14611
Half → 25K104417-313#14611#14924
25K → 30K130616-486#14924#15410
30K → 20M95191-96#15410#15506
20M → 21M24517-493#15506#15999
21M → 35K8249+33#15999#15966
35K → 23M18045+135#15966#15831
23M → 24M6378-15#15831#15846
24M → 40K1984+194#15846#15652
40K → 25.2M2730-3#15652#15655
25.2M → Finish1763+173#15655#15482
TOTALS15063473-1967
📊

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