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BOSTON MARATHON 2025

Sam Maron

Bib: 7115•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 22%
Gender (Male)
#0 / 16105
Top 34%
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
20:31
Rank: #4630
Start → 5K
20:31 | 6:36/mi
10K· 6.21 mi
40:58
Rank: #4445 (+185)
5K → 10K
20:27 | 6:35/mi
15K· 9.32 mi
1:01:31
Rank: #4400 (+45)
10K → 15K
20:33 | 6:37/mi
20K· 12.43 mi
1:22:04
Rank: #4199 (+201)
15K → 20K
20:33 | 6:37/mi
Half· 13.11 mi
1:26:33
Rank: #4186 (+13)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:42:42
Rank: #4077 (+109)
Half → 25K
16:09 | 6:40/mi
30K· 18.64 mi
2:04:21
Rank: #4087 (-10)
25K → 30K
21:39 | 6:58/mi
20M
2:14:29
Rank: #4298 (-211)
30K → 20M
10:08 | 7:27/mi
21M
2:23:02
Rank: #4693 (-395)
20M → 21M
8:33 | 8:33/mi
35K· 21.75 mi
2:29:05
Rank: #5014 (-321)
21M → 35K
6:03 | 8:05/mi
23M
2:39:56
Rank: #5524 (-510)
35K → 23M
10:51 | 8:40/mi
24M
2:48:19
Rank: #5767 (-243)
23M → 24M
8:23 | 8:23/mi
40K· 24.85 mi
2:55:33
Rank: #5963 (-196)
24M → 40K
7:14 | 8:28/mi
25.2M
2:58:35
Rank: #5999 (-36)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:06:48
Rank: #6191 (-192)
25.2M → Finish
8:13 | 8:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:33
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:40:15
Pace7:39 /mi
📊Positive Split: 15.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:3120:316:3620:31
6:36
-
10K
6.21 mi10:47:5840:586:3620:27
6:35
-0:01
15K
9.32 mi11:08:311:01:316:3620:33
6:37
+0:02
20K
12.43 mi11:29:041:22:046:3620:33
6:37
0:00
Half
13.11 mi11:33:331:26:336:364:29
6:34
-0:03
25K
15.53 mi11:49:421:42:426:3716:09
6:40
+0:06
30K
18.64 mi12:11:212:04:216:4021:39
6:58
+0:18
20M
20.00 mi12:21:292:14:296:4310:08
7:27
+0:29
21M
21.00 mi12:30:022:23:026:498:33
8:33
+1:06
35K
21.75 mi12:36:052:29:056:516:03
8:05
-0:28
23M
23.00 mi12:46:562:39:566:5710:51
8:40
+0:35
24M
24.00 mi12:55:192:48:197:018:23
8:23
-0:17
40K
24.85 mi13:02:332:55:337:047:14
8:28
+0:05
25.2M
25.20 mi13:05:352:58:357:053:02
8:48
+0:20
Finish
26.22 mi13:13:483:06:487:088:13
8:04
-0:44

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

6:34 /mi

Average Pace

7:08 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:21

67% of race

Time at Steady Pace

10:08

5% of race

Time at Slower Pace

52:19

28% of race

Average Pace: 7:07 /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 mi10:27:3120:316:3620:31
6:36
#4630
10K
6.21 mi10:47:5840:586:3620:27
6:35
#4445
15K
9.32 mi11:08:311:01:316:3620:33
6:37
#4400
20K
12.43 mi11:29:041:22:046:3620:33
6:37
#4199
Half
13.11 mi11:33:331:26:336:364:29
6:34
#4186
25K
15.53 mi11:49:421:42:426:3716:09
6:40
#4077
30K
18.64 mi12:11:212:04:216:4021:39
6:58
#4087
20M
20.00 mi12:21:292:14:296:4310:08
7:27
#4298
21M
21.00 mi12:30:022:23:026:498:33
8:33
#4693
35K
21.75 mi12:36:052:29:056:516:03
8:05
#5014
23M
23.00 mi12:46:562:39:566:5710:51
8:40
#5524
24M
24.00 mi12:55:192:48:197:018:23
8:23
#5767
40K
24.85 mi13:02:332:55:337:047:14
8:28
#5963
25.2M
25.20 mi13:05:352:58:357:053:02
8:48
#5999
Finish
26.22 mi13:13:483:06:487:088:13
8:04
#6191
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4630434243424346(Top 15%)4080(Top 25%)4080(Top 72%)
10K6.21 mi3.10 mi4445+1854180+1624180+1624316(Top 15%)4054(Top 25%)4054(Top 72%)
15K9.32 mi3.11 mi4400+454137+434137+434346(Top 15%)4080(Top 25%)4080(Top 72%)
20K12.43 mi3.11 mi4199+2013950+1873950+1873796(Top 13%)3581(Top 22%)3581(Top 63%)
Half13.11 mi0.68 mi4186+133937+133937+134175(Top 15%)3914(Top 24%)3914(Top 69%)
25K15.53 mi2.42 mi4077+1093832+1053832+1053865(Top 14%)3620(Top 22%)3620(Top 64%)
30K18.64 mi3.11 mi4087-103834-23834-24509(Top 16%)4121(Top 26%)4121(Top 73%)
20M20.00 mi1.36 mi4298-2114016-1824016-1826702(Top 24%)5643(Top 35%)5643(Top 100%)
21M21.00 mi1.00 mi4693-3954347-3314347-33110747(Top 38%)7727(Top 48%)7727(Top 137%)
35K21.75 mi0.75 mi5014-3214605-2584605-25812771(Top 45%)8684(Top 54%)8684(Top 154%)
23M23.00 mi1.25 mi5524-5105014-4095014-40914307(Top 50%)9294(Top 58%)9294(Top 165%)
24M24.00 mi1.00 mi5767-2435183-1695183-16913714(Top 48%)8992(Top 56%)8992(Top 159%)
40K24.85 mi0.85 mi5963-1965321-1385321-13813125(Top 46%)8564(Top 53%)8564(Top 152%)
25.2M25.20 mi0.35 mi5999-365340-195340-1910457(Top 37%)7149(Top 44%)7149(Top 127%)
Finish26.22 mi1.02 mi6191-1925451-1115451-11113263(Top 47%)8629(Top 54%)8629(Top 153%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4346

Males

4080

M18-39

4080

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4316

Males

4054

M18-39

4054

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4346

Males

4080

M18-39

4080

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3796

Males

3581

M18-39

3581

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4175

Males

3914

M18-39

3914

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3865

Males

3620

M18-39

3620

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4509

Males

4121

M18-39

4121

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6702

Males

5643

M18-39

5643

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10747

Males

7727

M18-39

7727

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12771

Males

8684

M18-39

8684

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14307

Males

9294

M18-39

9294

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13714

Males

8992

M18-39

8992

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13125

Males

8564

M18-39

8564

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10457

Males

7149

M18-39

7149

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13263

Males

8629

M18-39

8629

Passing Analysis

Category:
Athletes Passed
1047
Passed By
2608
Net Change
-1561
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4630
5K → 10K27691+185#4630#4445
10K → 15K11671+45#4445#4400
15K → 20K22322+201#4400#4199
20K → Half2411+13#4199#4186
Half → 25K14334+109#4186#4077
25K → 30K134144-10#4077#4087
30K → 20M26237-211#4087#4298
20M → 21M11406-395#4298#4693
21M → 35K16337-321#4693#5014
35K → 23M17527-510#5014#5524
23M → 24M13256-243#5524#5767
24M → 40K15211-196#5767#5963
40K → 25.2M1248-36#5963#5999
25.2M → Finish21213-192#5999#6191
TOTALS10472608-1561
📊

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