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BOSTON MARATHON 2025

David Smith

Bib: 11044•M

UT

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
25:00
Rank: #16958
Start → 5K
25:00 | 8:03/mi
10K· 6.21 mi
52:04
Rank: #19115 (-2157)
5K → 10K
27:04 | 8:43/mi
15K· 9.32 mi
1:19:02
Rank: #19532 (-417)
10K → 15K
26:58 | 8:41/mi
20K· 12.43 mi
1:45:57
Rank: #19419 (+113)
15K → 20K
26:55 | 8:40/mi
Half· 13.11 mi
1:51:48
Rank: #19444 (-25)
20K → Half
5:51 | 8:34/mi
25K· 15.53 mi
2:12:56
Rank: #19244 (+200)
Half → 25K
21:08 | 8:43/mi
30K· 18.64 mi
2:40:55
Rank: #18931 (+313)
25K → 30K
27:59 | 9:00/mi
20M
2:54:03
Rank: #19046 (-115)
30K → 20M
13:08 | 9:40/mi
21M
3:03:40
Rank: #18874 (+172)
20M → 21M
9:37 | 9:37/mi
35K· 21.75 mi
3:10:22
Rank: #18843 (+31)
21M → 35K
6:42 | 8:57/mi
23M
3:21:42
Rank: #18695 (+148)
35K → 23M
11:20 | 9:03/mi
24M
3:30:35
Rank: #18605 (+90)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:38:21
Rank: #18509 (+96)
24M → 40K
7:46 | 9:05/mi
25.2M
3:41:43
Rank: #18468 (+41)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:50:46
Rank: #18488 (-20)
25.2M → Finish
9:03 | 8:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:48
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time1:58:58
Pace9:05 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:1725:008:0325:00
8:03
-
10K
6.21 mi11:24:2152:048:2327:04
8:43
+0:40
15K
9.32 mi11:51:191:19:028:2926:58
8:41
-0:02
20K
12.43 mi12:18:141:45:578:3226:55
8:40
-0:01
Half
13.11 mi12:24:051:51:488:325:51
8:34
-0:06
25K
15.53 mi12:45:132:12:568:3321:08
8:43
+0:09
30K
18.64 mi13:13:122:40:558:3827:59
9:00
+0:17
20M
20.00 mi13:26:202:54:038:4213:08
9:40
+0:40
21M
21.00 mi13:35:573:03:408:459:37
9:37
-0:03
35K
21.75 mi13:42:393:10:228:456:42
8:57
-0:40
23M
23.00 mi13:53:593:21:428:4611:20
9:03
+0:06
24M
24.00 mi14:02:523:30:358:468:53
8:53
-0:10
40K
24.85 mi14:10:383:38:218:477:46
9:05
+0:12
25.2M
25.20 mi14:14:003:41:438:483:22
9:46
+0:41
Finish
26.22 mi14:23:033:50:468:489:03
8:53
-0:53

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

8:03 /mi

Average Pace

8:48 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

30:51

13% of race

Time at Steady Pace

2:53:48

75% of race

Time at Slower Pace

26:07

11% of race

Average Pace: 8:48 /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 mi10:57:1725:008:0325:00
8:03
#16958
10K
6.21 mi11:24:2152:048:2327:04
8:43
#19115
15K
9.32 mi11:51:191:19:028:2926:58
8:41
#19532
20K
12.43 mi12:18:141:45:578:3226:55
8:40
#19419
Half
13.11 mi12:24:051:51:488:325:51
8:34
#19444
25K
15.53 mi12:45:132:12:568:3321:08
8:43
#19244
30K
18.64 mi13:13:122:40:558:3827:59
9:00
#18931
20M
20.00 mi13:26:202:54:038:4213:08
9:40
#19046
21M
21.00 mi13:35:573:03:408:459:37
9:37
#18874
35K
21.75 mi13:42:393:10:228:456:42
8:57
#18843
23M
23.00 mi13:53:593:21:428:4611:20
9:03
#18695
24M
24.00 mi14:02:523:30:358:468:53
8:53
#18605
40K
24.85 mi14:10:383:38:218:477:46
9:05
#18509
25.2M
25.20 mi14:14:003:41:438:483:22
9:46
#18468
Finish
26.22 mi14:23:033:50:468:489:03
8:53
#18488
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi16958111921119220350(Top 72%)12665(Top 79%)12665(Top 635%)
10K6.21 mi3.10 mi19115-215712092-90012092-90020926(Top 74%)12881(Top 80%)12881(Top 645%)
15K9.32 mi3.11 mi19532-41712282-19012282-19020350(Top 72%)12665(Top 79%)12665(Top 635%)
20K12.43 mi3.11 mi19419+11312222+6012222+6019211(Top 68%)12128(Top 75%)12128(Top 608%)
Half13.11 mi0.68 mi19444-2512228-612228-619626(Top 69%)12300(Top 76%)12300(Top 616%)
25K15.53 mi2.42 mi19244+20012138+9012138+9018485(Top 65%)11735(Top 73%)11735(Top 588%)
30K18.64 mi3.11 mi18931+31311969+16911969+16917726(Top 62%)11250(Top 70%)11250(Top 564%)
20M20.00 mi1.36 mi19046-11511986-1711986-1719810(Top 70%)12076(Top 75%)12076(Top 605%)
21M21.00 mi1.00 mi18874+17211887+9911887+9916616(Top 58%)10534(Top 65%)10534(Top 528%)
35K21.75 mi0.75 mi18843+3111857+3011857+3018001(Top 63%)11054(Top 69%)11054(Top 554%)
23M23.00 mi1.25 mi18695+14811760+9711760+9716543(Top 58%)10311(Top 64%)10311(Top 517%)
24M24.00 mi1.00 mi18605+9011703+5711703+5716743(Top 59%)10361(Top 64%)10361(Top 519%)
40K24.85 mi0.85 mi18509+9611630+7311630+7316763(Top 59%)10270(Top 64%)10270(Top 515%)
25.2M25.20 mi0.35 mi18468+4111606+2411606+2415894(Top 56%)9831(Top 61%)9831(Top 493%)
Finish26.22 mi1.02 mi18488-2011589+1711589+1718436(Top 65%)11085(Top 69%)11085(Top 555%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20350

Males

12665

M50-54

12665

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

20926

Males

12881

M50-54

12881

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20350

Males

12665

M50-54

12665

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

19211

Males

12128

M50-54

12128

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

19626

Males

12300

M50-54

12300

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

18485

Males

11735

M50-54

11735

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17726

Males

11250

M50-54

11250

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

19810

Males

12076

M50-54

12076

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

16616

Males

10534

M50-54

10534

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

18001

Males

11054

M50-54

11054

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

16543

Males

10311

M50-54

10311

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16743

Males

10361

M50-54

10361

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16763

Males

10270

M50-54

10270

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15894

Males

9831

M50-54

9831

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

18436

Males

11085

M50-54

11085

Passing Analysis

Category:
Athletes Passed
1887
Passed By
3417
Net Change
-1530
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16958
5K → 10K122169-2157#16958#19115
10K → 15K76493-417#19115#19532
15K → 20K260147+113#19532#19419
20K → Half2651-25#19419#19444
Half → 25K26868+200#19444#19244
25K → 30K37562+313#19244#18931
30K → 20M76191-115#18931#19046
20M → 21M19927+172#19046#18874
21M → 35K6534+31#18874#18843
35K → 23M18133+148#18843#18695
23M → 24M10919+90#18695#18605
24M → 40K12428+96#18605#18509
40K → 25.2M5514+41#18509#18468
25.2M → Finish6181-20#18468#18488
TOTALS18873417-1530
📊

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