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BOSTON MARATHON 2025

David Wilcox

Bib: 4575•M

UT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 46%
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
25:27
Rank: #18037
Start → 5K
25:27 | 8:11/mi
10K· 6.21 mi
50:14
Rank: #17144 (+893)
5K → 10K
24:47 | 7:59/mi
15K· 9.32 mi
1:15:00
Rank: #16680 (+464)
10K → 15K
24:46 | 7:58/mi
20K· 12.43 mi
1:39:53
Rank: #16219 (+461)
15K → 20K
24:53 | 8:01/mi
Half· 13.11 mi
1:45:14
Rank: #16147 (+72)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:04:28
Rank: #15644 (+503)
Half → 25K
19:14 | 7:56/mi
30K· 18.64 mi
2:29:38
Rank: #14940 (+704)
25K → 30K
25:10 | 8:06/mi
20M
2:40:34
Rank: #14562 (+378)
30K → 20M
10:56 | 8:03/mi
21M
2:48:52
Rank: #14193 (+369)
20M → 21M
8:18 | 8:18/mi
35K· 21.75 mi
2:54:52
Rank: #14096 (+97)
21M → 35K
6:00 | 8:01/mi
23M
3:04:56
Rank: #13846 (+250)
35K → 23M
10:04 | 8:02/mi
24M
3:12:51
Rank: #13680 (+166)
23M → 24M
7:55 | 7:55/mi
40K· 24.85 mi
3:19:38
Rank: #13499 (+181)
24M → 40K
6:47 | 7:56/mi
25.2M
3:22:29
Rank: #13386 (+113)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:29:43
Rank: #13134 (+252)
25.2M → Finish
7:14 | 7:06/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:45:14
Pace8:02 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:44:29
Pace7:58 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:33:2625:278:1125:27
8:11
-
10K
6.21 mi10:58:1350:148:0524:47
7:59
-0:12
15K
9.32 mi11:22:591:15:008:0324:46
7:58
-0:01
20K
12.43 mi11:47:521:39:538:0224:53
8:01
+0:03
Half
13.11 mi11:53:131:45:148:025:21
7:50
-0:11
25K
15.53 mi12:12:272:04:288:0119:14
7:56
+0:06
30K
18.64 mi12:37:372:29:388:0225:10
8:06
+0:10
20M
20.00 mi12:48:332:40:348:0210:56
8:03
-0:03
21M
21.00 mi12:56:512:48:528:028:18
8:18
+0:15
35K
21.75 mi13:02:512:54:528:026:00
8:01
-0:17
23M
23.00 mi13:12:553:04:568:0210:04
8:02
+0:01
24M
24.00 mi13:20:503:12:518:027:55
7:55
-0:07
40K
24.85 mi13:27:373:19:388:026:47
7:56
+0:01
25.2M
25.20 mi13:30:283:22:298:022:51
8:16
+0:20
Finish
26.22 mi13:37:423:29:438:007:14
7:06
-1:10

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

7:06 /mi

Average Pace

8:00 /mi

Slowest Pace

8:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

7:14

3% of race

Time at Steady Pace

3:22:29

97% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:00 /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 mi10:33:2625:278:1125:27
8:11
#18037
10K
6.21 mi10:58:1350:148:0524:47
7:59
#17144
15K
9.32 mi11:22:591:15:008:0324:46
7:58
#16680
20K
12.43 mi11:47:521:39:538:0224:53
8:01
#16219
Half
13.11 mi11:53:131:45:148:025:21
7:50
#16147
25K
15.53 mi12:12:272:04:288:0119:14
7:56
#15644
30K
18.64 mi12:37:372:29:388:0225:10
8:06
#14940
20M
20.00 mi12:48:332:40:348:0210:56
8:03
#14562
21M
21.00 mi12:56:512:48:528:028:18
8:18
#14193
35K
21.75 mi13:02:512:54:528:026:00
8:01
#14096
23M
23.00 mi13:12:553:04:568:0210:04
8:02
#13846
24M
24.00 mi13:20:503:12:518:027:55
7:55
#13680
40K
24.85 mi13:27:373:19:388:026:47
7:56
#13499
25.2M
25.20 mi13:30:283:22:298:022:51
8:16
#13386
Finish
26.22 mi13:37:423:29:438:007:14
7:06
#13134
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi18037116141161415810(Top 56%)10715(Top 67%)10715(Top 190%)
10K6.21 mi3.10 mi17144+89311278+33611278+33616277(Top 57%)10932(Top 68%)10932(Top 194%)
15K9.32 mi3.11 mi16680+46411098+18011098+18015810(Top 56%)10715(Top 67%)10715(Top 190%)
20K12.43 mi3.11 mi16219+46110886+21210886+21214990(Top 53%)10303(Top 64%)10303(Top 183%)
Half13.11 mi0.68 mi16147+7210854+3210854+3214533(Top 51%)10114(Top 63%)10114(Top 179%)
25K15.53 mi2.42 mi15644+50310628+22610628+22613344(Top 47%)9452(Top 59%)9452(Top 168%)
30K18.64 mi3.11 mi14940+70410258+37010258+37012100(Top 43%)8735(Top 54%)8735(Top 155%)
20M20.00 mi1.36 mi14562+37810072+18610072+18610744(Top 38%)7921(Top 49%)7921(Top 140%)
21M21.00 mi1.00 mi14193+3699884+1889884+1889223(Top 32%)6953(Top 43%)6953(Top 123%)
35K21.75 mi0.75 mi14096+979814+709814+7012378(Top 44%)8513(Top 53%)8513(Top 151%)
23M23.00 mi1.25 mi13846+2509665+1499665+14910326(Top 36%)7410(Top 46%)7410(Top 131%)
24M24.00 mi1.00 mi13680+1669562+1039562+10310662(Top 38%)7518(Top 47%)7518(Top 133%)
40K24.85 mi0.85 mi13499+1819465+979465+979693(Top 34%)6903(Top 43%)6903(Top 122%)
25.2M25.20 mi0.35 mi13386+1139396+699396+697469(Top 26%)5634(Top 35%)5634(Top 100%)
Finish26.22 mi1.02 mi13134+2529262+1349262+1346376(Top 22%)4976(Top 31%)4976(Top 88%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

15810

Males

10715

M18-39

10715

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

16277

Males

10932

M18-39

10932

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

15810

Males

10715

M18-39

10715

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14990

Males

10303

M18-39

10303

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

14533

Males

10114

M18-39

10114

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

13344

Males

9452

M18-39

9452

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

12100

Males

8735

M18-39

8735

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10744

Males

7921

M18-39

7921

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

9223

Males

6953

M18-39

6953

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

12378

Males

8513

M18-39

8513

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

10326

Males

7410

M18-39

7410

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10662

Males

7518

M18-39

7518

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9693

Males

6903

M18-39

6903

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7469

Males

5634

M18-39

5634

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6376

Males

4976

M18-39

4976

Passing Analysis

Category:
Athletes Passed
5110
Passed By
207
Net Change
+4903
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18037
5K → 10K94249+893#18037#17144
10K → 15K50137+464#17144#16680
15K → 20K49837+461#16680#16219
20K → Half753+72#16219#16147
Half → 25K5063+503#16147#15644
25K → 30K7139+704#15644#14940
30K → 20M3824+378#14940#14562
20M → 21M3712+369#14562#14193
21M → 35K11821+97#14193#14096
35K → 23M26919+250#14096#13846
23M → 24M17812+166#13846#13680
24M → 40K1865+181#13680#13499
40K → 25.2M1152+113#13499#13386
25.2M → Finish2564+252#13386#13134
TOTALS5110207+4903
📊

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