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BOSTON MARATHON 2025

Sam Casey

Bib: 26740•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
25:40
Rank: #18474
Start → 5K
25:40 | 8:16/mi
10K· 6.21 mi
50:43
Rank: #17694 (+780)
5K → 10K
25:03 | 8:04/mi
15K· 9.32 mi
1:15:38
Rank: #17187 (+507)
10K → 15K
24:55 | 8:01/mi
20K· 12.43 mi
1:40:52
Rank: #16801 (+386)
15K → 20K
25:14 | 8:07/mi
Half· 13.11 mi
1:46:26
Rank: #16800 (+1)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:07:01
Rank: #16813 (-13)
Half → 25K
20:35 | 8:29/mi
30K· 18.64 mi
2:34:54
Rank: #16890 (-77)
25K → 30K
27:53 | 8:58/mi
20M
2:47:19
Rank: #16920 (-30)
30K → 20M
12:25 | 9:08/mi
21M
2:56:55
Rank: #16862 (+58)
20M → 21M
9:36 | 9:36/mi
35K· 21.75 mi
3:03:34
Rank: #16865 (-3)
21M → 35K
6:39 | 8:53/mi
23M
3:15:05
Rank: #16892 (-27)
35K → 23M
11:31 | 9:12/mi
24M
3:24:18
Rank: #16969 (-77)
23M → 24M
9:13 | 9:13/mi
40K· 24.85 mi
3:32:09
Rank: #16995 (-26)
24M → 40K
7:51 | 9:11/mi
25.2M
3:35:36
Rank: #16981 (+14)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:44:19
Rank: #16973 (+8)
25.2M → Finish
8:43 | 8:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:26
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:57:53
Pace9:00 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:2225:408:1625:40
8:16
-
10K
6.21 mi12:13:2550:438:1025:03
8:04
-0:12
15K
9.32 mi12:38:201:15:388:0724:55
8:01
-0:03
20K
12.43 mi13:03:341:40:528:0725:14
8:07
+0:06
Half
13.11 mi13:09:081:46:268:075:34
8:10
+0:03
25K
15.53 mi13:29:432:07:018:1120:35
8:29
+0:19
30K
18.64 mi13:57:362:34:548:1927:53
8:58
+0:29
20M
20.00 mi14:10:012:47:198:2212:25
9:08
+0:10
21M
21.00 mi14:19:372:56:558:259:36
9:36
+0:28
35K
21.75 mi14:26:163:03:348:266:39
8:53
-0:43
23M
23.00 mi14:37:473:15:058:2911:31
9:12
+0:19
24M
24.00 mi14:47:003:24:188:319:13
9:13
+0:01
40K
24.85 mi14:54:513:32:098:327:51
9:11
-0:02
25.2M
25.20 mi14:58:183:35:368:333:27
10:00
+0:49
Finish
26.22 mi15:07:013:44:198:348:43
8:33
-1:27

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

8:01 /mi

Average Pace

8:34 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:44

61% of race

Time at Steady Pace

46:57

21% of race

Time at Slower Pace

41:38

19% of race

Average Pace: 8:33 /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 mi11:48:2225:408:1625:40
8:16
#18474
10K
6.21 mi12:13:2550:438:1025:03
8:04
#17694
15K
9.32 mi12:38:201:15:388:0724:55
8:01
#17187
20K
12.43 mi13:03:341:40:528:0725:14
8:07
#16801
Half
13.11 mi13:09:081:46:268:075:34
8:10
#16800
25K
15.53 mi13:29:432:07:018:1120:35
8:29
#16813
30K
18.64 mi13:57:362:34:548:1927:53
8:58
#16890
20M
20.00 mi14:10:012:47:198:2212:25
9:08
#16920
21M
21.00 mi14:19:372:56:558:259:36
9:36
#16862
35K
21.75 mi14:26:163:03:348:266:39
8:53
#16865
23M
23.00 mi14:37:473:15:058:2911:31
9:12
#16892
24M
24.00 mi14:47:003:24:188:319:13
9:13
#16969
40K
24.85 mi14:54:513:32:098:327:51
9:11
#16995
25.2M
25.20 mi14:58:183:35:368:333:27
10:00
#16981
Finish
26.22 mi15:07:013:44:198:348:43
8:33
#16973
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi18474117991179916190(Top 57%)10896(Top 68%)10896(Top 193%)
10K6.21 mi3.10 mi17694+78011496+30311496+30316925(Top 60%)11215(Top 70%)11215(Top 199%)
15K9.32 mi3.11 mi17187+50711315+18111315+18116190(Top 57%)10896(Top 68%)10896(Top 193%)
20K12.43 mi3.11 mi16801+38611133+18211133+18215789(Top 56%)10655(Top 66%)10655(Top 189%)
Half13.11 mi0.68 mi16800+111143-1011143-1016984(Top 60%)11175(Top 69%)11175(Top 198%)
25K15.53 mi2.42 mi16813-1311111+3211111+3217115(Top 60%)11147(Top 69%)11147(Top 198%)
30K18.64 mi3.11 mi16890-7711094+1711094+1717542(Top 62%)11164(Top 69%)11164(Top 198%)
20M20.00 mi1.36 mi16920-3011079+1511079+1517470(Top 62%)11018(Top 68%)11018(Top 195%)
21M21.00 mi1.00 mi16862+5811026+5311026+5316529(Top 58%)10488(Top 65%)10488(Top 186%)
35K21.75 mi0.75 mi16865-311005+2111005+2117672(Top 62%)10898(Top 68%)10898(Top 193%)
23M23.00 mi1.25 mi16892-2710973+3210973+3217305(Top 61%)10651(Top 66%)10651(Top 189%)
24M24.00 mi1.00 mi16969-7710985-1210985-1218402(Top 65%)11103(Top 69%)11103(Top 197%)
40K24.85 mi0.85 mi16995-2610968+1710968+1717240(Top 61%)10480(Top 65%)10480(Top 186%)
25.2M25.20 mi0.35 mi16981+1410944+2410944+2417003(Top 60%)10368(Top 64%)10368(Top 184%)
Finish26.22 mi1.02 mi16973+810926+1810926+1816556(Top 58%)10185(Top 63%)10185(Top 181%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

16190

Males

10896

M18-39

10896

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

16925

Males

11215

M18-39

11215

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

16190

Males

10896

M18-39

10896

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

15789

Males

10655

M18-39

10655

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

16984

Males

11175

M18-39

11175

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

17115

Males

11147

M18-39

11147

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17542

Males

11164

M18-39

11164

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17470

Males

11018

M18-39

11018

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

16529

Males

10488

M18-39

10488

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17672

Males

10898

M18-39

10898

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

17305

Males

10651

M18-39

10651

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

18402

Males

11103

M18-39

11103

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17240

Males

10480

M18-39

10480

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17003

Males

10368

M18-39

10368

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

16556

Males

10185

M18-39

10185

Passing Analysis

Category:
Athletes Passed
2808
Passed By
1307
Net Change
+1501
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18474
5K → 10K83656+780#18474#17694
10K → 15K54336+507#17694#17187
15K → 20K41933+386#17187#16801
20K → Half3837+1#16801#16800
Half → 25K155168-13#16800#16813
25K → 30K194271-77#16813#16890
30K → 20M88118-30#16890#16920
20M → 21M13981+58#16920#16862
21M → 35K6164-3#16862#16865
35K → 23M100127-27#16865#16892
23M → 24M54131-77#16892#16969
24M → 40K7096-26#16969#16995
40K → 25.2M4329+14#16995#16981
25.2M → Finish6860+8#16981#16973
TOTALS28081307+1501
📊

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