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BOSTON MARATHON 2025

Brendan Wilcox

Bib: 31383•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 23%
Gender (Male)
#0 / 16105
Top 36%
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
23:24
Rank: #12494
Start → 5K
23:24 | 7:32/mi
10K· 6.21 mi
44:41
Rank: #9376 (+3118)
5K → 10K
21:17 | 6:51/mi
15K· 9.32 mi
1:05:50
Rank: #8224 (+1152)
10K → 15K
21:09 | 6:48/mi
20K· 12.43 mi
1:27:18
Rank: #7656 (+568)
15K → 20K
21:28 | 6:55/mi
Half· 13.11 mi
1:31:51
Rank: #7532 (+124)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:49:09
Rank: #7423 (+109)
Half → 25K
17:18 | 7:08/mi
30K· 18.64 mi
2:12:03
Rank: #7235 (+188)
25K → 30K
22:54 | 7:22/mi
20M
2:21:57
Rank: #7057 (+178)
30K → 20M
9:54 | 7:17/mi
21M
2:29:47
Rank: #6932 (+125)
20M → 21M
7:50 | 7:50/mi
35K· 21.75 mi
2:35:05
Rank: #6840 (+92)
21M → 35K
5:18 | 7:05/mi
23M
2:44:25
Rank: #6738 (+102)
35K → 23M
9:20 | 7:27/mi
24M
2:51:53
Rank: #6715 (+23)
23M → 24M
7:28 | 7:28/mi
40K· 24.85 mi
2:58:26
Rank: #6709 (+6)
24M → 40K
6:33 | 7:40/mi
25.2M
3:01:19
Rank: #6709
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:08:29
Rank: #6623 (+86)
25.2M → Finish
7:10 | 7:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:51
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:36:38
Pace7:22 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:5323:247:3223:24
7:32
-
10K
6.21 mi12:08:1044:417:1121:17
6:51
-0:41
15K
9.32 mi12:29:191:05:507:0421:09
6:48
-0:03
20K
12.43 mi12:50:471:27:187:0121:28
6:55
+0:07
Half
13.11 mi12:55:201:31:517:004:33
6:40
-0:15
25K
15.53 mi13:12:381:49:097:0217:18
7:08
+0:28
30K
18.64 mi13:35:322:12:037:0522:54
7:22
+0:14
20M
20.00 mi13:45:262:21:577:069:54
7:17
-0:05
21M
21.00 mi13:53:162:29:477:087:50
7:50
+0:33
35K
21.75 mi13:58:342:35:057:085:18
7:05
-0:45
23M
23.00 mi14:07:542:44:257:099:20
7:27
+0:22
24M
24.00 mi14:15:222:51:537:107:28
7:28
+0:01
40K
24.85 mi14:21:552:58:267:116:33
7:40
+0:12
25.2M
25.20 mi14:24:483:01:197:122:53
8:22
+0:42
Finish
26.22 mi14:31:583:08:297:127:10
7:02
-1:20

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

6:40 /mi

Average Pace

7:12 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:37

40% of race

Time at Steady Pace

1:12:12

38% of race

Time at Slower Pace

40:40

22% of race

Average Pace: 7:11 /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 mi11:46:5323:247:3223:24
7:32
#12494
10K
6.21 mi12:08:1044:417:1121:17
6:51
#9376
15K
9.32 mi12:29:191:05:507:0421:09
6:48
#8224
20K
12.43 mi12:50:471:27:187:0121:28
6:55
#7656
Half
13.11 mi12:55:201:31:517:004:33
6:40
#7532
25K
15.53 mi13:12:381:49:097:0217:18
7:08
#7423
30K
18.64 mi13:35:322:12:037:0522:54
7:22
#7235
20M
20.00 mi13:45:262:21:577:069:54
7:17
#7057
21M
21.00 mi13:53:162:29:477:087:50
7:50
#6932
35K
21.75 mi13:58:342:35:057:085:18
7:05
#6840
23M
23.00 mi14:07:542:44:257:099:20
7:27
#6738
24M
24.00 mi14:15:222:51:537:107:28
7:28
#6715
40K
24.85 mi14:21:552:58:267:116:33
7:40
#6709
25.2M
25.20 mi14:24:483:01:197:122:53
8:22
#6709
Finish
26.22 mi14:31:583:08:297:127:10
7:02
#6623
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi12494939293926158(Top 22%)5588(Top 35%)5588(Top 99%)
10K6.21 mi3.10 mi9376+31187824+15687824+15686865(Top 24%)6174(Top 38%)6174(Top 109%)
15K9.32 mi3.11 mi8224+11527115+7097115+7096158(Top 22%)5588(Top 35%)5588(Top 99%)
20K12.43 mi3.11 mi7656+5686735+3806735+3806277(Top 22%)5649(Top 35%)5649(Top 100%)
Half13.11 mi0.68 mi7532+1246650+856650+855066(Top 18%)4695(Top 29%)4695(Top 83%)
25K15.53 mi2.42 mi7423+1096562+886562+887185(Top 25%)6244(Top 39%)6244(Top 111%)
30K18.64 mi3.11 mi7235+1886374+1886374+1886876(Top 24%)5898(Top 37%)5898(Top 105%)
20M20.00 mi1.36 mi7057+1786220+1546220+1545706(Top 20%)4986(Top 31%)4986(Top 88%)
21M21.00 mi1.00 mi6932+1256112+1086112+1086378(Top 22%)5314(Top 33%)5314(Top 94%)
35K21.75 mi0.75 mi6840+926025+876025+875903(Top 21%)5002(Top 31%)5002(Top 89%)
23M23.00 mi1.25 mi6738+1025914+1115914+1116371(Top 22%)5202(Top 32%)5202(Top 92%)
24M24.00 mi1.00 mi6715+235871+435871+437442(Top 26%)5789(Top 36%)5789(Top 103%)
40K24.85 mi0.85 mi6709+65844+275844+277805(Top 27%)5880(Top 37%)5880(Top 104%)
25.2M25.20 mi0.35 mi67095824+205824+207906(Top 28%)5847(Top 36%)5847(Top 104%)
Finish26.22 mi1.02 mi6623+865738+865738+865944(Top 21%)4702(Top 29%)4702(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6158

Males

5588

M18-39

5588

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6865

Males

6174

M18-39

6174

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6158

Males

5588

M18-39

5588

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6277

Males

5649

M18-39

5649

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5066

Males

4695

M18-39

4695

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

7185

Males

6244

M18-39

6244

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6876

Males

5898

M18-39

5898

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5706

Males

4986

M18-39

4986

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6378

Males

5314

M18-39

5314

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5903

Males

5002

M18-39

5002

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

6371

Males

5202

M18-39

5202

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

7442

Males

5789

M18-39

5789

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7805

Males

5880

M18-39

5880

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7906

Males

5847

M18-39

5847

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5944

Males

4702

M18-39

4702

Passing Analysis

Category:
Athletes Passed
6279*
Passed By
408
Net Change
+5871
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12494
5K → 10K3120*2+3118#12494#9376
10K → 15K11542+1152#9376#8224
15K → 20K5691+568#8224#7656
20K → Half1240+124#7656#7532
Half → 25K16253+109#7532#7423
25K → 30K26476+188#7423#7235
30K → 20M19214+178#7235#7057
20M → 21M15025+125#7057#6932
21M → 35K10614+92#6932#6840
35K → 23M14947+102#6840#6738
23M → 24M7653+23#6738#6715
24M → 40K7064+6#6715#6709
40K → 25.2M38380#6709#6709
25.2M → Finish10519+86#6709#6623
TOTALS6279*408+5871

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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