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BOSTON MARATHON 2025

William Walker

Bib: 30437•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:41
Rank: #18500
Start → 5K
25:41 | 8:16/mi
10K· 6.21 mi
51:12
Rank: #18231 (+269)
5K → 10K
25:31 | 8:13/mi
15K· 9.32 mi
1:16:54
Rank: #18102 (+129)
10K → 15K
25:42 | 8:16/mi
20K· 12.43 mi
1:43:59
Rank: #18428 (-326)
15K → 20K
27:05 | 8:43/mi
Half· 13.11 mi
1:49:41
Rank: #18419 (+9)
20K → Half
5:42 | 8:21/mi
25K· 15.53 mi
2:10:35
Rank: #18305 (+114)
Half → 25K
20:54 | 8:37/mi
30K· 18.64 mi
2:38:41
Rank: #18216 (+89)
25K → 30K
28:06 | 9:03/mi
20M
2:50:55
Rank: #18059 (+157)
30K → 20M
12:14 | 9:00/mi
21M
3:00:28
Rank: #17981 (+78)
20M → 21M
9:33 | 9:33/mi
35K· 21.75 mi
3:06:25
Rank: #17739 (+242)
21M → 35K
5:57 | 7:57/mi
23M
3:16:51
Rank: #17396 (+343)
35K → 23M
10:26 | 8:20/mi
24M
3:25:49
Rank: #17383 (+13)
23M → 24M
8:58 | 8:58/mi
40K· 24.85 mi
3:33:35
Rank: #17357 (+26)
24M → 40K
7:46 | 9:05/mi
25.2M
3:36:46
Rank: #17284 (+73)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:45:05
Rank: #17155 (+129)
25.2M → Finish
8:19 | 8:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:41
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time1:55:24
Pace8:48 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:3125:418:1625:41
8:16
-
10K
6.21 mi12:12:0251:128:1425:31
8:13
-0:03
15K
9.32 mi12:37:441:16:548:1525:42
8:16
+0:03
20K
12.43 mi13:04:491:43:598:2227:05
8:43
+0:27
Half
13.11 mi13:10:311:49:418:225:42
8:21
-0:22
25K
15.53 mi13:31:252:10:358:2420:54
8:37
+0:16
30K
18.64 mi13:59:312:38:418:3128:06
9:03
+0:26
20M
20.00 mi14:11:452:50:558:3312:14
9:00
-0:03
21M
21.00 mi14:21:183:00:288:369:33
9:33
+0:33
35K
21.75 mi14:27:153:06:258:345:57
7:57
-1:36
23M
23.00 mi14:37:413:16:518:3410:26
8:20
+0:23
24M
24.00 mi14:46:393:25:498:358:58
8:58
+0:38
40K
24.85 mi14:54:253:33:358:367:46
9:05
+0:07
25.2M
25.20 mi14:57:363:36:468:363:11
9:14
+0:09
Finish
26.22 mi15:05:553:45:058:358:19
8:10
-1:04

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

7:57 /mi

Average Pace

8:35 /mi

Slowest Pace

9:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:18

48% of race

Time at Steady Pace

47:59

21% of race

Time at Slower Pace

1:09:48

31% of race

Average Pace: 8:35 /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 mi11:46:3125:418:1625:41
8:16
#18500
10K
6.21 mi12:12:0251:128:1425:31
8:13
#18231
15K
9.32 mi12:37:441:16:548:1525:42
8:16
#18102
20K
12.43 mi13:04:491:43:598:2227:05
8:43
#18428
Half
13.11 mi13:10:311:49:418:225:42
8:21
#18419
25K
15.53 mi13:31:252:10:358:2420:54
8:37
#18305
30K
18.64 mi13:59:312:38:418:3128:06
9:03
#18216
20M
20.00 mi14:11:452:50:558:3312:14
9:00
#18059
21M
21.00 mi14:21:183:00:288:369:33
9:33
#17981
35K
21.75 mi14:27:153:06:258:345:57
7:57
#17739
23M
23.00 mi14:37:413:16:518:3410:26
8:20
#17396
24M
24.00 mi14:46:393:25:498:358:58
8:58
#17383
40K
24.85 mi14:54:253:33:358:367:46
9:05
#17357
25.2M
25.20 mi14:57:363:36:468:363:11
9:14
#17284
Finish
26.22 mi15:05:553:45:058:358:19
8:10
#17155
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi18500118141181417848(Top 63%)11567(Top 72%)11567(Top 515%)
10K6.21 mi3.10 mi18231+26911707+10711707+10717968(Top 63%)11646(Top 72%)11646(Top 518%)
15K9.32 mi3.11 mi18102+12911659+4811659+4817848(Top 63%)11567(Top 72%)11567(Top 515%)
20K12.43 mi3.11 mi18428-32611791-13211791-13219480(Top 69%)12231(Top 76%)12231(Top 544%)
Half13.11 mi0.68 mi18419+911793-211793-218235(Top 64%)11713(Top 73%)11713(Top 521%)
25K15.53 mi2.42 mi18305+11411724+6911724+6917905(Top 63%)11475(Top 71%)11475(Top 511%)
30K18.64 mi3.11 mi18216+8911652+7211652+7217897(Top 63%)11319(Top 70%)11319(Top 504%)
20M20.00 mi1.36 mi18059+15711549+10311549+10316790(Top 59%)10722(Top 67%)10722(Top 477%)
21M21.00 mi1.00 mi17981+7811509+4011509+4016296(Top 57%)10388(Top 65%)10388(Top 462%)
35K21.75 mi0.75 mi17739+24211385+12411385+12411941(Top 42%)8311(Top 52%)8311(Top 370%)
23M23.00 mi1.25 mi17396+34311181+20411181+20412238(Top 43%)8346(Top 52%)8346(Top 371%)
24M24.00 mi1.00 mi17383+1311151+3011151+3017174(Top 60%)10545(Top 65%)10545(Top 469%)
40K24.85 mi0.85 mi17357+2611119+3211119+3216754(Top 59%)10261(Top 64%)10261(Top 457%)
25.2M25.20 mi0.35 mi17284+7311078+4111078+4113082(Top 46%)8527(Top 53%)8527(Top 379%)
Finish26.22 mi1.02 mi17155+12911003+7511003+7514004(Top 49%)9024(Top 56%)9024(Top 402%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

17848

Males

11567

M40-44

11567

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

17968

Males

11646

M40-44

11646

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

17848

Males

11567

M40-44

11567

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

19480

Males

12231

M40-44

12231

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

18235

Males

11713

M40-44

11713

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

17905

Males

11475

M40-44

11475

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

17897

Males

11319

M40-44

11319

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

16790

Males

10722

M40-44

10722

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

16296

Males

10388

M40-44

10388

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11941

Males

8311

M40-44

8311

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12238

Males

8346

M40-44

8346

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

17174

Males

10545

M40-44

10545

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16754

Males

10261

M40-44

10261

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13082

Males

8527

M40-44

8527

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

14004

Males

9024

M40-44

9024

Passing Analysis

Category:
Athletes Passed
2627
Passed By
1282
Net Change
+1345
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18500
5K → 10K416147+269#18500#18231
10K → 15K250121+129#18231#18102
15K → 20K106432-326#18102#18428
20K → Half3728+9#18428#18419
Half → 25K221107+114#18419#18305
25K → 30K283194+89#18305#18216
30K → 20M20548+157#18216#18059
20M → 21M12850+78#18059#17981
21M → 35K2420+242#17981#17739
35K → 23M3507+343#17739#17396
23M → 24M9582+13#17396#17383
24M → 40K7953+26#17383#17357
40K → 25.2M741+73#17357#17284
25.2M → Finish14112+129#17284#17155
TOTALS26271282+1345
📊

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