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BOSTON MARATHON 2025

Billy Walsh

Bib: 1129•M

AB

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 3%
Division (M18-39)
#0 / 5642
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:32
Rank: #969
Start → 5K
18:32 | 5:58/mi
10K· 6.21 mi
36:53
Rank: #905 (+64)
5K → 10K
18:21 | 5:54/mi
15K· 9.32 mi
55:20
Rank: #885 (+20)
10K → 15K
18:27 | 5:56/mi
20K· 12.43 mi
1:13:56
Rank: #858 (+27)
15K → 20K
18:36 | 5:59/mi
Half· 13.11 mi
1:17:58
Rank: #857 (+1)
20K → Half
4:02 | 5:55/mi
25K· 15.53 mi
1:32:27
Rank: #827 (+30)
Half → 25K
14:29 | 5:58/mi
30K· 18.64 mi
1:51:27
Rank: #782 (+45)
25K → 30K
19:00 | 6:07/mi
20M
1:59:47
Rank: #747 (+35)
30K → 20M
8:20 | 6:08/mi
21M
2:06:16
Rank: #730 (+17)
20M → 21M
6:29 | 6:29/mi
35K· 21.75 mi
2:10:38
Rank: #705 (+25)
21M → 35K
4:22 | 5:50/mi
23M
2:18:13
Rank: #670 (+35)
35K → 23M
7:35 | 6:03/mi
24M
2:24:07
Rank: #645 (+25)
23M → 24M
5:54 | 5:54/mi
40K· 24.85 mi
2:29:11
Rank: #619 (+26)
24M → 40K
5:04 | 5:56/mi
25.2M
2:31:27
Rank: #614 (+5)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:37:20
Rank: #595 (+19)
25.2M → Finish
5:53 | 5:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:58
Pace5:57 /mi
2nd Half
Distance13.11 mi
Time1:19:22
Pace6:03 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5318:325:5818:32
5:58
-
10K
6.21 mi10:37:1436:535:5618:21
5:54
-0:04
15K
9.32 mi10:55:4155:205:5618:27
5:56
+0:02
20K
12.43 mi11:14:171:13:565:5718:36
5:59
+0:03
Half
13.11 mi11:18:191:17:585:574:02
5:55
-0:04
25K
15.53 mi11:32:481:32:275:5714:29
5:58
+0:03
30K
18.64 mi11:51:481:51:275:5919:00
6:07
+0:09
20M
20.00 mi12:00:081:59:475:598:20
6:08
+0:01
21M
21.00 mi12:06:372:06:166:016:29
6:29
+0:21
35K
21.75 mi12:10:592:10:386:004:22
5:50
-0:39
23M
23.00 mi12:18:342:18:136:017:35
6:03
+0:13
24M
24.00 mi12:24:282:24:076:005:54
5:54
-0:09
40K
24.85 mi12:29:322:29:116:005:04
5:56
+0:02
25.2M
25.20 mi12:31:482:31:276:012:16
6:34
+0:38
Finish
26.22 mi12:37:412:37:206:005:53
5:46
-0:48

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

5:46 /mi

Average Pace

6:00 /mi

Slowest Pace

6:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:35

94% of race

Time at Steady Pace

8:45

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:00 /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 mi10:18:5318:325:5818:32
5:58
#969
10K
6.21 mi10:37:1436:535:5618:21
5:54
#905
15K
9.32 mi10:55:4155:205:5618:27
5:56
#885
20K
12.43 mi11:14:171:13:565:5718:36
5:59
#858
Half
13.11 mi11:18:191:17:585:574:02
5:55
#857
25K
15.53 mi11:32:481:32:275:5714:29
5:58
#827
30K
18.64 mi11:51:481:51:275:5919:00
6:07
#782
20M
20.00 mi12:00:081:59:475:598:20
6:08
#747
21M
21.00 mi12:06:372:06:166:016:29
6:29
#730
35K
21.75 mi12:10:592:10:386:004:22
5:50
#705
23M
23.00 mi12:18:342:18:136:017:35
6:03
#670
24M
24.00 mi12:24:282:24:076:005:54
5:54
#645
40K
24.85 mi12:29:322:29:116:005:04
5:56
#619
25.2M
25.20 mi12:31:482:31:276:012:16
6:34
#614
Finish
26.22 mi12:37:412:37:206:005:53
5:46
#595
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi969911911846(Top 3%)794(Top 5%)794(Top 14%)
10K6.21 mi3.10 mi905+64850+61850+61838(Top 3%)786(Top 5%)786(Top 14%)
15K9.32 mi3.11 mi885+20831+19831+19846(Top 3%)794(Top 5%)794(Top 14%)
20K12.43 mi3.11 mi858+27806+25806+25832(Top 3%)782(Top 5%)782(Top 14%)
Half13.11 mi0.68 mi857+1806806849(Top 3%)801(Top 5%)801(Top 14%)
25K15.53 mi2.42 mi827+30775+31775+31727(Top 3%)679(Top 4%)679(Top 12%)
30K18.64 mi3.11 mi782+45733+42733+42714(Top 3%)668(Top 4%)668(Top 12%)
20M20.00 mi1.36 mi747+35699+34699+34589(Top 2%)555(Top 3%)555(Top 10%)
21M21.00 mi1.00 mi730+17682+17682+17644(Top 2%)608(Top 4%)608(Top 11%)
35K21.75 mi0.75 mi705+25657+25657+25427(Top 2%)399(Top 2%)399(Top 7%)
23M23.00 mi1.25 mi670+35622+35622+35417(Top 1%)391(Top 2%)391(Top 7%)
24M24.00 mi1.00 mi645+25597+25597+25400(Top 1%)371(Top 2%)371(Top 7%)
40K24.85 mi0.85 mi619+26571+26571+26320(Top 1%)295(Top 2%)295(Top 5%)
25.2M25.20 mi0.35 mi614+5566+5566+5547(Top 2%)507(Top 3%)507(Top 9%)
Finish26.22 mi1.02 mi595+19549+17549+17466(Top 2%)437(Top 3%)437(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

846

Males

794

M18-39

794

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

838

Males

786

M18-39

786

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

846

Males

794

M18-39

794

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

832

Males

782

M18-39

782

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

849

Males

801

M18-39

801

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

727

Males

679

M18-39

679

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

714

Males

668

M18-39

668

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

589

Males

555

M18-39

555

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

644

Males

608

M18-39

608

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

427

Males

399

M18-39

399

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

417

Males

391

M18-39

391

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

400

Males

371

M18-39

371

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

320

Males

295

M18-39

295

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

547

Males

507

M18-39

507

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

466

Males

437

M18-39

437

Passing Analysis

Category:
Athletes Passed
489
Passed By
115
Net Change
+374
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#969
5K → 10K8824+64#969#905
10K → 15K3919+20#905#885
15K → 20K4821+27#885#858
20K → Half54+1#858#857
Half → 25K4212+30#857#827
25K → 30K5712+45#827#782
30K → 20M383+35#782#747
20M → 21M2811+17#747#730
21M → 35K283+25#730#705
35K → 23M350+35#705#670
23M → 24M250+25#670#645
24M → 40K260+26#645#619
40K → 25.2M72+5#619#614
25.2M → Finish234+19#614#595
TOTALS489115+374
📊

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