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BOSTON MARATHON 2025

Benjamin Williams

Bib: 645•M

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 1%
Gender (Male)
#0 / 16105
Top 2%
Masters (Masters Men)
#0 / 10463
Top 0.3%
Division (M40-44)
#0 / 2247
Top 1%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
16:55
Rank: #171
Start → 5K
16:55 | 5:27/mi
10K· 6.21 mi
34:18
Rank: #231 (-60)
5K → 10K
17:23 | 5:36/mi
15K· 9.32 mi
51:38
Rank: #228 (+3)
10K → 15K
17:20 | 5:35/mi
20K· 12.43 mi
1:09:15
Rank: #229 (-1)
15K → 20K
17:37 | 5:40/mi
Half· 13.11 mi
1:13:03
Rank: #226 (+3)
20K → Half
3:48 | 5:34/mi
25K· 15.53 mi
1:27:16
Rank: #256 (-30)
Half → 25K
14:13 | 5:52/mi
30K· 18.64 mi
1:46:01
Rank: #290 (-34)
25K → 30K
18:45 | 6:02/mi
20M
1:54:35
Rank: #319 (-29)
30K → 20M
8:34 | 6:18/mi
21M
2:01:06
Rank: #319
20M → 21M
6:31 | 6:31/mi
35K· 21.75 mi
2:05:33
Rank: #323 (-4)
21M → 35K
4:27 | 5:57/mi
23M
2:13:27
Rank: #332 (-9)
35K → 23M
7:54 | 6:19/mi
24M
2:19:28
Rank: #329 (+3)
23M → 24M
6:01 | 6:01/mi
40K· 24.85 mi
2:24:40
Rank: #326 (+3)
24M → 40K
5:12 | 6:05/mi
25.2M
2:26:51
Rank: #313 (+13)
40K → 25.2M
2:11 | 6:20/mi
Finish· 26.22 mi
2:32:51
Rank: #313
25.2M → Finish
6:00 | 5:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:13:03
Pace5:34 /mi
2nd Half
Distance13.11 mi
Time1:19:48
Pace6:05 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:16:5916:555:2716:55
5:27
-
10K
6.21 mi10:34:2234:185:3117:23
5:36
+0:09
15K
9.32 mi10:51:4251:385:3217:20
5:35
-0:01
20K
12.43 mi11:09:191:09:155:3417:37
5:40
+0:05
Half
13.11 mi11:13:071:13:035:343:48
5:34
-0:06
25K
15.53 mi11:27:201:27:165:3714:13
5:52
+0:18
30K
18.64 mi11:46:051:46:015:4118:45
6:02
+0:10
20M
20.00 mi11:54:391:54:355:448:34
6:18
+0:16
21M
21.00 mi12:01:102:01:065:466:31
6:31
+0:13
35K
21.75 mi12:05:372:05:335:464:27
5:57
-0:34
23M
23.00 mi12:13:312:13:275:487:54
6:19
+0:22
24M
24.00 mi12:19:322:19:285:496:01
6:01
-0:18
40K
24.85 mi12:24:442:24:405:495:12
6:05
+0:04
25.2M
25.20 mi12:26:552:26:515:502:11
6:20
+0:15
Finish
26.22 mi12:32:552:32:515:506:00
5:53
-0:27

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

5:27 /mi

Average Pace

5:50 /mi

Slowest Pace

6:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:43

64% of race

Time at Steady Pace

48:37

32% of race

Time at Slower Pace

6:31

4% of race

Average Pace: 5:50 /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 mi10:16:5916:555:2716:55
5:27
#171
10K
6.21 mi10:34:2234:185:3117:23
5:36
#231
15K
9.32 mi10:51:4251:385:3217:20
5:35
#228
20K
12.43 mi11:09:191:09:155:3417:37
5:40
#229
Half
13.11 mi11:13:071:13:035:343:48
5:34
#226
25K
15.53 mi11:27:201:27:165:3714:13
5:52
#256
30K
18.64 mi11:46:051:46:015:4118:45
6:02
#290
20M
20.00 mi11:54:391:54:355:448:34
6:18
#319
21M
21.00 mi12:01:102:01:065:466:31
6:31
#319
35K
21.75 mi12:05:372:05:335:464:27
5:57
#323
23M
23.00 mi12:13:312:13:275:487:54
6:19
#332
24M
24.00 mi12:19:322:19:285:496:01
6:01
#329
40K
24.85 mi12:24:442:24:405:495:12
6:05
#326
25.2M
25.20 mi12:26:552:26:515:502:11
6:20
#313
Finish
26.22 mi12:32:552:32:515:506:00
5:53
#313
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi171150150233(Top 0.8%)206(Top 1%)206(Top 9%)
10K6.21 mi3.10 mi231-60204-54204-54295(Top 1%)266(Top 2%)266(Top 12%)
15K9.32 mi3.11 mi228+3200+4200+4233(Top 0.8%)206(Top 1%)206(Top 9%)
20K12.43 mi3.11 mi229-1203-3203-3283(Top 1.0%)257(Top 2%)257(Top 11%)
Half13.11 mi0.68 mi226+3200+3200+3267(Top 0.9%)242(Top 2%)242(Top 11%)
25K15.53 mi2.42 mi256-30230-30230-30499(Top 2%)465(Top 3%)465(Top 21%)
30K18.64 mi3.11 mi290-34263-33263-33546(Top 2%)509(Top 3%)509(Top 23%)
20M20.00 mi1.36 mi319-29292-29292-29958(Top 3%)903(Top 6%)903(Top 40%)
21M21.00 mi1.00 mi319292292703(Top 2%)664(Top 4%)664(Top 30%)
35K21.75 mi0.75 mi323-4296-4296-4600(Top 2%)559(Top 3%)559(Top 25%)
23M23.00 mi1.25 mi332-9305-9305-9894(Top 3%)841(Top 5%)841(Top 37%)
24M24.00 mi1.00 mi329+3302+3302+3605(Top 2%)565(Top 4%)565(Top 25%)
40K24.85 mi0.85 mi326+3299+3299+3494(Top 2%)460(Top 3%)460(Top 20%)
25.2M25.20 mi0.35 mi313+13286+13286+13243(Top 0.9%)224(Top 1%)224(Top 10%)
Finish26.22 mi1.02 mi313287-1287-1644(Top 2%)605(Top 4%)605(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.8%
×21stories
+97ft-345ft

Overall

233

Males

206

M40-44

206

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

295

Males

266

M40-44

266

10K→15K

6.2 - 9.3 mi

Top 0.8%
×3stories
+67ft-78ft

Overall

233

Males

206

M40-44

206

15K→20K

9.3 - 12.4 mi

Top 1.0%
×5stories
+106ft-86ft

Overall

283

Males

257

M40-44

257

20K→Half

12.4 - 13.1 mi

Top 0.9%
×2stories
+19ft-37ft

Overall

267

Males

242

M40-44

242

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

499

Males

465

M40-44

465

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

546

Males

509

M40-44

509

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

958

Males

903

M40-44

903

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

703

Males

664

M40-44

664

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

600

Males

559

M40-44

559

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

894

Males

841

M40-44

841

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

605

Males

565

M40-44

565

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

494

Males

460

M40-44

460

40K→25.2M

24.9 - 25.2 mi

Top 0.9%
×1story
+13ft-16ft

Overall

243

Males

224

M40-44

224

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

644

Males

605

M40-44

605

Passing Analysis

Category:
Athletes Passed
91
Passed By
233
Net Change
-142
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#171
5K → 10K363-60#171#231
10K → 15K118+3#231#228
15K → 20K78-1#228#229
20K → Half41+3#229#226
Half → 25K232-30#226#256
25K → 30K640-34#256#290
30K → 20M130-29#290#319
20M → 21M550#319#319
21M → 35K15-4#319#323
35K → 23M1019-9#323#332
23M → 24M129+3#332#329
24M → 40K118+3#329#326
40K → 25.2M130+13#326#313
25.2M → Finish550#313#313
TOTALS91233-142
📊

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