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BOSTON MARATHON 2025

Tyler Williams

Bib: 1312•M

AB

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 1%
Gender (Male)
#0 / 16105
Top 2%
Division (M18-39)
#0 / 5642
Top 5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:40
Rank: #409
Start → 5K
17:40 | 5:41/mi
10K· 6.21 mi
35:15
Rank: #391 (+18)
5K → 10K
17:35 | 5:40/mi
15K· 9.32 mi
52:55
Rank: #367 (+24)
10K → 15K
17:40 | 5:41/mi
20K· 12.43 mi
1:10:40
Rank: #358 (+9)
15K → 20K
17:45 | 5:43/mi
Half· 13.11 mi
1:14:31
Rank: #359 (-1)
20K → Half
3:51 | 5:39/mi
25K· 15.53 mi
1:28:25
Rank: #348 (+11)
Half → 25K
13:54 | 5:44/mi
30K· 18.64 mi
1:46:49
Rank: #341 (+7)
25K → 30K
18:24 | 5:55/mi
20M
1:54:58
Rank: #331 (+10)
30K → 20M
8:09 | 6:00/mi
21M
2:01:22
Rank: #330 (+1)
20M → 21M
6:24 | 6:24/mi
35K· 21.75 mi
2:05:44
Rank: #334 (-4)
21M → 35K
4:22 | 5:50/mi
23M
2:13:23
Rank: #325 (+9)
35K → 23M
7:39 | 6:07/mi
24M
2:19:20
Rank: #318 (+7)
23M → 24M
5:57 | 5:57/mi
40K· 24.85 mi
2:24:32
Rank: #311 (+7)
24M → 40K
5:12 | 6:05/mi
25.2M
2:26:47
Rank: #309 (+2)
40K → 25.2M
2:15 | 6:31/mi
Finish· 26.22 mi
2:32:46
Rank: #310 (-1)
25.2M → Finish
5:59 | 5:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:14:31
Pace5:41 /mi
2nd Half
Distance13.11 mi
Time1:18:15
Pace5:58 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:0017:405:4117:40
5:41
-
10K
6.21 mi10:35:3535:155:4017:35
5:40
-0:01
15K
9.32 mi10:53:1552:555:4117:40
5:41
+0:01
20K
12.43 mi11:11:001:10:405:4117:45
5:43
+0:02
Half
13.11 mi11:14:511:14:315:413:51
5:39
-0:04
25K
15.53 mi11:28:451:28:255:4213:54
5:44
+0:05
30K
18.64 mi11:47:091:46:495:4418:24
5:55
+0:11
20M
20.00 mi11:55:181:54:585:458:09
6:00
+0:05
21M
21.00 mi12:01:422:01:225:476:24
6:24
+0:24
35K
21.75 mi12:06:042:05:445:474:22
5:50
-0:34
23M
23.00 mi12:13:432:13:235:487:39
6:07
+0:17
24M
24.00 mi12:19:402:19:205:485:57
5:57
-0:10
40K
24.85 mi12:24:522:24:325:495:12
6:05
+0:08
25.2M
25.20 mi12:27:072:26:475:492:15
6:31
+0:26
Finish
26.22 mi12:33:062:32:465:505:59
5:52
-0:39

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

5:39 /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

2:24:07

94% of race

Time at Steady Pace

8:39

6% of race

Time at Slower Pace

0:00

0% 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 mi10:18:0017:405:4117:40
5:41
#409
10K
6.21 mi10:35:3535:155:4017:35
5:40
#391
15K
9.32 mi10:53:1552:555:4117:40
5:41
#367
20K
12.43 mi11:11:001:10:405:4117:45
5:43
#358
Half
13.11 mi11:14:511:14:315:413:51
5:39
#359
25K
15.53 mi11:28:451:28:255:4213:54
5:44
#348
30K
18.64 mi11:47:091:46:495:4418:24
5:55
#341
20M
20.00 mi11:55:181:54:585:458:09
6:00
#331
21M
21.00 mi12:01:422:01:225:476:24
6:24
#330
35K
21.75 mi12:06:042:05:445:474:22
5:50
#334
23M
23.00 mi12:13:432:13:235:487:39
6:07
#325
24M
24.00 mi12:19:402:19:205:485:57
5:57
#318
40K
24.85 mi12:24:522:24:325:495:12
6:05
#311
25.2M
25.20 mi12:27:072:26:475:492:15
6:31
#309
Finish
26.22 mi12:33:062:32:465:505:59
5:52
#310
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi409375375359(Top 1%)330(Top 2%)330(Top 6%)
10K6.21 mi3.10 mi391+18359+16359+16373(Top 1%)343(Top 2%)343(Top 6%)
15K9.32 mi3.11 mi367+24337+22337+22359(Top 1%)330(Top 2%)330(Top 6%)
20K12.43 mi3.11 mi358+9329+8329+8333(Top 1%)304(Top 2%)304(Top 5%)
Half13.11 mi0.68 mi359-1330-1330-1354(Top 1%)328(Top 2%)328(Top 6%)
25K15.53 mi2.42 mi348+11319+11319+11326(Top 1%)300(Top 2%)300(Top 5%)
30K18.64 mi3.11 mi341+7313+6313+6388(Top 1%)359(Top 2%)359(Top 6%)
20M20.00 mi1.36 mi331+10303+10303+10376(Top 1%)351(Top 2%)351(Top 6%)
21M21.00 mi1.00 mi330+1303303509(Top 2%)480(Top 3%)480(Top 9%)
35K21.75 mi0.75 mi334-4306-3306-3414(Top 1%)386(Top 2%)386(Top 7%)
23M23.00 mi1.25 mi325+9298+8298+8497(Top 2%)469(Top 3%)469(Top 8%)
24M24.00 mi1.00 mi318+7291+7291+7479(Top 2%)443(Top 3%)443(Top 8%)
40K24.85 mi0.85 mi311+7284+7284+7493(Top 2%)459(Top 3%)459(Top 8%)
25.2M25.20 mi0.35 mi309+2282+2282+2464(Top 2%)429(Top 3%)429(Top 8%)
Finish26.22 mi1.02 mi310-1284-2284-2613(Top 2%)575(Top 4%)575(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

359

Males

330

M18-39

330

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

373

Males

343

M18-39

343

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

359

Males

330

M18-39

330

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

333

Males

304

M18-39

304

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

354

Males

328

M18-39

328

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

326

Males

300

M18-39

300

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

388

Males

359

M18-39

359

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

376

Males

351

M18-39

351

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

509

Males

480

M18-39

480

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

414

Males

386

M18-39

386

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

497

Males

469

M18-39

469

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

479

Males

443

M18-39

443

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

493

Males

459

M18-39

459

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

464

Males

429

M18-39

429

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

613

Males

575

M18-39

575

Passing Analysis

Category:
Athletes Passed
192
Passed By
93
Net Change
+99
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#409
5K → 10K3214+18#409#391
10K → 15K3410+24#391#367
15K → 20K189+9#367#358
20K → Half34-1#358#359
Half → 25K176+11#359#348
25K → 30K158+7#348#341
30K → 20M144+10#341#331
20M → 21M54+1#331#330
21M → 35K26-4#330#334
35K → 23M178+9#334#325
23M → 24M136+7#325#318
24M → 40K136+7#318#311
40K → 25.2M42+2#311#309
25.2M → Finish56-1#309#310
TOTALS19293+99
📊

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