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BOSTON MARATHON 2025

Max Kam

Bib: 4447•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 24%
Division (M18-39)
#0 / 5642
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:24
Rank: #4302
Start → 5K
20:24 | 6:34/mi
10K· 6.21 mi
40:51
Rank: #4301 (+1)
5K → 10K
20:27 | 6:35/mi
15K· 9.32 mi
1:01:01
Rank: #4004 (+297)
10K → 15K
20:10 | 6:29/mi
20K· 12.43 mi
1:21:49
Rank: #4032 (-28)
15K → 20K
20:48 | 6:42/mi
Half· 13.11 mi
1:26:24
Rank: #4083 (-51)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:42:52
Rank: #4158 (-75)
Half → 25K
16:28 | 6:47/mi
30K· 18.64 mi
2:04:30
Rank: #4148 (+10)
25K → 30K
21:38 | 6:58/mi
20M
2:14:03
Rank: #4126 (+22)
30K → 20M
9:33 | 7:02/mi
21M
2:21:30
Rank: #4123 (+3)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:26:41
Rank: #4135 (-12)
21M → 35K
5:11 | 6:56/mi
23M
2:35:47
Rank: #4180 (-45)
35K → 23M
9:06 | 7:16/mi
24M
2:42:49
Rank: #4174 (+6)
23M → 24M
7:02 | 7:02/mi
40K· 24.85 mi
2:48:55
Rank: #4191 (-17)
24M → 40K
6:06 | 7:08/mi
25.2M
2:51:43
Rank: #4228 (-37)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
2:58:33
Rank: #4195 (+33)
25.2M → Finish
6:50 | 6:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:24
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:32:09
Pace7:02 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2120:246:3420:24
6:34
-
10K
6.21 mi10:43:4840:516:3420:27
6:35
+0:01
15K
9.32 mi11:03:581:01:016:3320:10
6:29
-0:06
20K
12.43 mi11:24:461:21:496:3520:48
6:42
+0:13
Half
13.11 mi11:29:211:26:246:354:35
6:43
+0:01
25K
15.53 mi11:45:491:42:526:3716:28
6:47
+0:04
30K
18.64 mi12:07:272:04:306:4121:38
6:58
+0:11
20M
20.00 mi12:17:002:14:036:429:33
7:02
+0:04
21M
21.00 mi12:24:272:21:306:447:27
7:27
+0:25
35K
21.75 mi12:29:382:26:416:455:11
6:56
-0:31
23M
23.00 mi12:38:442:35:476:469:06
7:16
+0:20
24M
24.00 mi12:45:462:42:496:477:02
7:02
-0:14
40K
24.85 mi12:51:522:48:556:486:06
7:08
+0:06
25.2M
25.20 mi12:54:402:51:436:492:48
8:07
+0:59
Finish
26.22 mi13:01:302:58:336:496:50
6:42
-1:25

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

6:29 /mi

Average Pace

6:49 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:14

52% of race

Time at Steady Pace

1:05:58

37% of race

Time at Slower Pace

19:21

11% of race

Average Pace: 6:49 /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 mi10:23:2120:246:3420:24
6:34
#4302
10K
6.21 mi10:43:4840:516:3420:27
6:35
#4301
15K
9.32 mi11:03:581:01:016:3320:10
6:29
#4004
20K
12.43 mi11:24:461:21:496:3520:48
6:42
#4032
Half
13.11 mi11:29:211:26:246:354:35
6:43
#4083
25K
15.53 mi11:45:491:42:526:3716:28
6:47
#4158
30K
18.64 mi12:07:272:04:306:4121:38
6:58
#4148
20M
20.00 mi12:17:002:14:036:429:33
7:02
#4126
21M
21.00 mi12:24:272:21:306:447:27
7:27
#4123
35K
21.75 mi12:29:382:26:416:455:11
6:56
#4135
23M
23.00 mi12:38:442:35:476:469:06
7:16
#4180
24M
24.00 mi12:45:462:42:496:477:02
7:02
#4174
40K
24.85 mi12:51:522:48:556:486:06
7:08
#4191
25.2M
25.20 mi12:54:402:51:436:492:48
8:07
#4228
Finish
26.22 mi13:01:302:58:336:496:50
6:42
#4195
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4302404340433504(Top 12%)3315(Top 21%)3315(Top 59%)
10K6.21 mi3.10 mi4301+14042+14042+14305(Top 15%)4043(Top 25%)4043(Top 72%)
15K9.32 mi3.11 mi4004+2973775+2673775+2673504(Top 12%)3315(Top 21%)3315(Top 59%)
20K12.43 mi3.11 mi4032-283797-223797-224380(Top 15%)4094(Top 25%)4094(Top 73%)
Half13.11 mi0.68 mi4083-513844-473844-475355(Top 19%)4910(Top 30%)4910(Top 87%)
25K15.53 mi2.42 mi4158-753906-623906-624794(Top 17%)4409(Top 27%)4409(Top 78%)
30K18.64 mi3.11 mi4148+103886+203886+204461(Top 16%)4079(Top 25%)4079(Top 72%)
20M20.00 mi1.36 mi4126+223862+243862+244261(Top 15%)3884(Top 24%)3884(Top 69%)
21M21.00 mi1.00 mi4123+33852+103852+104331(Top 15%)3875(Top 24%)3875(Top 69%)
35K21.75 mi0.75 mi4135-123855-33855-34874(Top 17%)4286(Top 27%)4286(Top 76%)
23M23.00 mi1.25 mi4180-453882-273882-275251(Top 18%)4487(Top 28%)4487(Top 80%)
24M24.00 mi1.00 mi4174+63870+123870+124793(Top 17%)4107(Top 26%)4107(Top 73%)
40K24.85 mi0.85 mi4191-173872-23872-24636(Top 16%)3941(Top 24%)3941(Top 70%)
25.2M25.20 mi0.35 mi4228-373900-283900-286474(Top 23%)5003(Top 31%)5003(Top 89%)
Finish26.22 mi1.02 mi4195+333864+363864+363887(Top 14%)3352(Top 21%)3352(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3504

Males

3315

M18-39

3315

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4305

Males

4043

M18-39

4043

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3504

Males

3315

M18-39

3315

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4380

Males

4094

M18-39

4094

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5355

Males

4910

M18-39

4910

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4794

Males

4409

M18-39

4409

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4461

Males

4079

M18-39

4079

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4261

Males

3884

M18-39

3884

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4331

Males

3875

M18-39

3875

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4874

Males

4286

M18-39

4286

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5251

Males

4487

M18-39

4487

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4793

Males

4107

M18-39

4107

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4636

Males

3941

M18-39

3941

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6474

Males

5003

M18-39

5003

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3887

Males

3352

M18-39

3352

Passing Analysis

Category:
Athletes Passed
1138
Passed By
1031
Net Change
+107
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4302
5K → 10K131130+1#4302#4301
10K → 15K31114+297#4301#4004
15K → 20K87115-28#4004#4032
20K → Half556-51#4032#4083
Half → 25K66141-75#4083#4158
25K → 30K146136+10#4158#4148
30K → 20M7553+22#4148#4126
20M → 21M6259+3#4126#4123
21M → 35K3244-12#4123#4135
35K → 23M56101-45#4135#4180
23M → 24M5650+6#4180#4174
24M → 40K3249-17#4174#4191
40K → 25.2M1451-37#4191#4228
25.2M → Finish6532+33#4228#4195
TOTALS11381031+107
📊

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