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BOSTON MARATHON 2025

William King

Bib: 28517•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
27:56
Rank: #22374
Start → 5K
27:56 | 8:59/mi
10K· 6.21 mi
56:24
Rank: #22732 (-358)
5K → 10K
28:28 | 9:10/mi
15K· 9.32 mi
1:24:22
Rank: #22505 (+227)
10K → 15K
27:58 | 9:00/mi
20K· 12.43 mi
1:53:24
Rank: #22465 (+40)
15K → 20K
29:02 | 9:21/mi
Half· 13.11 mi
1:59:46
Rank: #22510 (-45)
20K → Half
6:22 | 9:20/mi
25K· 15.53 mi
2:23:13
Rank: #22498 (+12)
Half → 25K
23:27 | 9:40/mi
30K· 18.64 mi
2:55:58
Rank: #22634 (-136)
25K → 30K
32:45 | 10:32/mi
20M
3:10:20
Rank: #22611 (+23)
30K → 20M
14:22 | 10:34/mi
21M
3:22:03
Rank: #22634 (-23)
20M → 21M
11:43 | 11:43/mi
35K· 21.75 mi
3:29:46
Rank: #22614 (+20)
21M → 35K
7:43 | 10:19/mi
23M
3:44:05
Rank: #22735 (-121)
35K → 23M
14:19 | 11:26/mi
24M
3:55:10
Rank: #22772 (-37)
23M → 24M
11:05 | 11:05/mi
40K· 24.85 mi
4:04:44
Rank: #22812 (-40)
24M → 40K
9:34 | 11:11/mi
25.2M
4:09:19
Rank: #22893 (-81)
40K → 25.2M
4:35 | 13:17/mi
Finish· 26.22 mi
4:19:42
Rank: #22922 (-29)
25.2M → Finish
10:23 | 10:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:46
Pace9:08 /mi
2nd Half
Distance13.11 mi
Time2:19:56
Pace10:40 /mi
📊Positive Split: 16.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:3127:568:5927:56
8:59
-
10K
6.21 mi12:16:5956:249:0528:28
9:10
+0:11
15K
9.32 mi12:44:571:24:229:0327:58
9:00
-0:10
20K
12.43 mi13:13:591:53:249:0729:02
9:21
+0:21
Half
13.11 mi13:20:211:59:469:086:22
9:20
-0:01
25K
15.53 mi13:43:482:23:139:1323:27
9:40
+0:20
30K
18.64 mi14:16:332:55:589:2632:45
10:32
+0:52
20M
20.00 mi14:30:553:10:209:3114:22
10:34
+0:02
21M
21.00 mi14:42:383:22:039:3711:43
11:43
+1:09
35K
21.75 mi14:50:213:29:469:397:43
10:19
-1:24
23M
23.00 mi15:04:403:44:059:4514:19
11:26
+1:07
24M
24.00 mi15:15:453:55:109:4811:05
11:05
-0:21
40K
24.85 mi15:25:194:04:449:519:34
11:11
+0:06
25.2M
25.20 mi15:29:544:09:199:544:35
13:17
+2:06
Finish
26.22 mi15:40:174:19:429:5510:23
10:11
-3:06

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

8:59 /mi

Average Pace

9:55 /mi

Slowest Pace

13:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:13

55% of race

Time at Steady Pace

1:05:13

25% of race

Time at Slower Pace

51:16

20% of race

Average Pace: 9:54 /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 mi11:48:3127:568:5927:56
8:59
#22374
10K
6.21 mi12:16:5956:249:0528:28
9:10
#22732
15K
9.32 mi12:44:571:24:229:0327:58
9:00
#22505
20K
12.43 mi13:13:591:53:249:0729:02
9:21
#22465
Half
13.11 mi13:20:211:59:469:086:22
9:20
#22510
25K
15.53 mi13:43:482:23:139:1323:27
9:40
#22498
30K
18.64 mi14:16:332:55:589:2632:45
10:32
#22634
20M
20.00 mi14:30:553:10:209:3114:22
10:34
#22611
21M
21.00 mi14:42:383:22:039:3711:43
11:43
#22634
35K
21.75 mi14:50:213:29:469:397:43
10:19
#22614
23M
23.00 mi15:04:403:44:059:4514:19
11:26
#22735
24M
24.00 mi15:15:453:55:109:4811:05
11:05
#22772
40K
24.85 mi15:25:194:04:449:519:34
11:11
#22812
25.2M
25.20 mi15:29:544:09:199:544:35
13:17
#22893
Finish
26.22 mi15:40:174:19:429:5510:23
10:11
#22922
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi22374134721347222041(Top 78%)13403(Top 83%)13403(Top 596%)
10K6.21 mi3.10 mi22732-35813664-19213664-19223046(Top 81%)13824(Top 86%)13824(Top 615%)
15K9.32 mi3.11 mi22505+22713584+8013584+8022041(Top 78%)13403(Top 83%)13403(Top 596%)
20K12.43 mi3.11 mi22465+4013559+2513559+2522405(Top 79%)13542(Top 84%)13542(Top 603%)
Half13.11 mi0.68 mi22510-4513581-2213581-2223046(Top 81%)13809(Top 86%)13809(Top 615%)
25K15.53 mi2.42 mi22498+1213575+613575+622421(Top 79%)13475(Top 84%)13475(Top 600%)
30K18.64 mi3.11 mi22634-13613586-1113586-1123018(Top 81%)13624(Top 85%)13624(Top 606%)
20M20.00 mi1.36 mi22611+2313556+3013556+3022615(Top 80%)13346(Top 83%)13346(Top 594%)
21M21.00 mi1.00 mi22634-2313551+513551+523051(Top 81%)13469(Top 84%)13469(Top 599%)
35K21.75 mi0.75 mi22614+2013527+2413527+2422725(Top 80%)13267(Top 82%)13267(Top 590%)
23M23.00 mi1.25 mi22735-12113558-3113558-3124132(Top 85%)13904(Top 86%)13904(Top 619%)
24M24.00 mi1.00 mi22772-37135581355824155(Top 85%)13896(Top 86%)13896(Top 618%)
40K24.85 mi0.85 mi22812-4013550+813550+823532(Top 83%)13516(Top 84%)13516(Top 602%)
25.2M25.20 mi0.35 mi22893-8113574-2413574-2425397(Top 89%)14441(Top 90%)14441(Top 643%)
Finish26.22 mi1.02 mi22922-2913582-813582-823488(Top 83%)13507(Top 84%)13507(Top 601%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

22041

Males

13403

M40-44

13403

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

23046

Males

13824

M40-44

13824

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

22041

Males

13403

M40-44

13403

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22405

Males

13542

M40-44

13542

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

23046

Males

13809

M40-44

13809

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

22421

Males

13475

M40-44

13475

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

23018

Males

13624

M40-44

13624

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

22615

Males

13346

M40-44

13346

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

23051

Males

13469

M40-44

13469

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22725

Males

13267

M40-44

13267

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

24132

Males

13904

M40-44

13904

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

24155

Males

13896

M40-44

13896

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23532

Males

13516

M40-44

13516

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25397

Males

14441

M40-44

14441

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

23488

Males

13507

M40-44

13507

Passing Analysis

Category:
Athletes Passed
1271
Passed By
1819
Net Change
-548
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22374
5K → 10K121479-358#22374#22732
10K → 15K30174+227#22732#22505
15K → 20K183143+40#22505#22465
20K → Half2368-45#22465#22510
Half → 25K152140+12#22510#22498
25K → 30K134270-136#22498#22634
30K → 20M8562+23#22634#22611
20M → 21M6487-23#22611#22634
21M → 35K5535+20#22634#22614
35K → 23M37158-121#22614#22735
23M → 24M4380-37#22735#22772
24M → 40K3474-40#22772#22812
40K → 25.2M788-81#22812#22893
25.2M → Finish3261-29#22893#22922
TOTALS12711819-548
📊

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