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BOSTON MARATHON 2026

William Simon

Bib: 1515•M

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 1%
Gender (Male)
#0 / 16340
Top 2%
Age Group (M18-39)
#0 / 5723
Top 5%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
17:30
3.11 mi
Rank: #374
Start → 5K
17:30 | 5:38/mi
10K
35:02
6.21 mi
Rank: #373 (+1)
5K → 10K
17:32 | 5:39/mi
15K
52:40
9.32 mi
Rank: #388 (-15)
10K → 15K
17:38 | 5:41/mi
20K
1:10:19
12.43 mi
Rank: #366 (+22)
15K → 20K
17:39 | 5:41/mi
HALF
1:14:08
13.11 mi
Rank: #365 (+1)
20K → HALF
3:49 | 5:36/mi
25K
1:28:01
15.53 mi
Rank: #363 (+2)
HALF → 25K
13:53 | 5:44/mi
30K
1:46:14
18.64 mi
Rank: #371 (-8)
25K → 30K
18:13 | 5:52/mi
20M
1:54:09
20.00 mi
Rank: #365 (+6)
30K → 20M
7:55 | 5:50/mi
21M
2:00:22
21.00 mi
Rank: #370 (-5)
20M → 21M
6:13 | 6:13/mi
35K
2:04:35
21.75 mi
Rank: #364 (+6)
21M → 35K
4:13 | 5:39/mi
23M
2:11:56
23.00 mi
Rank: #361 (+3)
35K → 23M
7:21 | 5:53/mi
24M
2:17:34
24.00 mi
Rank: #360 (+1)
23M → 24M
5:38 | 5:38/mi
40K
2:22:32
24.85 mi
Rank: #361 (-1)
24M → 40K
4:58 | 5:49/mi
25.2M
2:24:41
25.20 mi
Rank: #356 (+5)
40K → 25.2M
2:09 | 6:15/mi
FINISH
2:30:24
26.22 mi
Rank: #349 (+7)
25.2M → FINISH
5:43 | 5:37/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:14:08
Pace5:40 /mi
2nd Half
Distance13.11 mi
Time1:16:16
Pace5:50 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:0517:305:3817:30
5:38
-
10K
6.21 mi10:35:3735:025:3917:32
5:39
+0:01
15K
9.32 mi10:53:1552:405:4017:38
5:41
+0:02
20K
12.43 mi11:10:541:10:195:4017:39
5:41
0:00
HALF
13.11 mi11:14:431:14:085:403:49
5:36
-0:05
25K
15.53 mi11:28:361:28:015:4013:53
5:44
+0:08
30K
18.64 mi11:46:491:46:145:4218:13
5:52
+0:08
20M
20.00 mi11:54:441:54:095:437:55
5:50
-0:02
21M
21.00 mi12:00:572:00:225:446:13
6:13
+0:23
35K
21.75 mi12:05:102:04:355:444:13
5:39
-0:34
23M
23.00 mi12:12:312:11:565:457:21
5:53
+0:14
24M
24.00 mi12:18:092:17:345:445:38
5:38
-0:15
40K
24.85 mi12:23:072:22:325:454:58
5:49
+0:11
25.2M
25.20 mi12:25:162:24:415:452:09
6:15
+0:26
FINISH
26.22 mi12:30:592:30:245:455:43
5:37
-0:38

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

5:36 /mi

Average Pace

5:44 /mi

Slowest Pace

6:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:22:02

94% of race

Time at Steady Pace

8:22

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:44 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:18:0517:305:3817:30
5:38
#374
10K
6.21 mi10:35:3735:025:3917:32
5:39
#373
15K
9.32 mi10:53:1552:405:4017:38
5:41
#388
20K
12.43 mi11:10:541:10:195:4017:39
5:41
#366
HALF
13.11 mi11:14:431:14:085:403:49
5:36
#365
25K
15.53 mi11:28:361:28:015:4013:53
5:44
#363
30K
18.64 mi11:46:491:46:145:4218:13
5:52
#371
20M
20.00 mi11:54:441:54:095:437:55
5:50
#365
21M
21.00 mi12:00:572:00:225:446:13
6:13
#370
35K
21.75 mi12:05:102:04:355:444:13
5:39
#364
23M
23.00 mi12:12:312:11:565:457:21
5:53
#361
24M
24.00 mi12:18:092:17:345:445:38
5:38
#360
40K
24.85 mi12:23:072:22:325:454:58
5:49
#361
25.2M
25.20 mi12:25:162:24:415:452:09
6:15
#356
FINISH
26.22 mi12:30:592:30:245:455:43
5:37
#349
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi374351351405(Top 1%)380(Top 2%)380(Top 7%)
10K6.21 mi3.10 mi373+1350+1350+1394(Top 1%)368(Top 2%)368(Top 6%)
15K9.32 mi3.11 mi388-15362-12362-12405(Top 1%)380(Top 2%)380(Top 7%)
20K12.43 mi3.11 mi366+22342+20342+20364(Top 1%)343(Top 2%)343(Top 6%)
HALF13.11 mi0.68 mi365+1342342363(Top 1%)343(Top 2%)343(Top 6%)
25K15.53 mi2.42 mi363+2340+2340+2423(Top 1%)402(Top 2%)402(Top 7%)
30K18.64 mi3.11 mi371-8350-10350-10433(Top 1%)413(Top 3%)413(Top 7%)
20M20.00 mi1.36 mi365+6344+6344+6375(Top 1%)357(Top 2%)357(Top 6%)
21M21.00 mi1.00 mi370-5349-5349-5566(Top 2%)542(Top 3%)542(Top 9%)
35K21.75 mi0.75 mi364+6343+6343+6392(Top 1%)372(Top 2%)372(Top 7%)
23M23.00 mi1.25 mi361+3340+3340+3447(Top 2%)426(Top 3%)426(Top 7%)
24M24.00 mi1.00 mi360+1339+1339+1347(Top 1%)327(Top 2%)327(Top 6%)
40K24.85 mi0.85 mi361-1340-1340-1419(Top 1%)397(Top 2%)397(Top 7%)
25.2M25.20 mi0.35 mi356+5336+4336+4421(Top 1%)406(Top 2%)406(Top 7%)
FINISH26.22 mi1.02 mi349+7329+7329+7538(Top 2%)517(Top 3%)517(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21
+97ft-345ft

Overall

405

Males

380

M18-39

380

5K→10K

3.1 - 6.2 mi

Top 1%
×5
+79ft-138ft

Overall

394

Males

368

M18-39

368

10K→15K

6.2 - 9.3 mi

Top 1%
×3
+67ft-78ft

Overall

405

Males

380

M18-39

380

15K→20K

9.3 - 12.4 mi

Top 1%
×5
+106ft-86ft

Overall

364

Males

343

M18-39

343

20K→HALF

12.4 - 13.1 mi

Top 1%
×2
+19ft-37ft

Overall

363

Males

343

M18-39

343

HALF→25K

13.1 - 15.5 mi

Top 1%
×4
+66ft-88ft

Overall

423

Males

402

M18-39

402

25K→30K

15.5 - 18.6 mi

Top 1%
×9
+181ft-148ft

Overall

433

Males

413

M18-39

413

30K→20M

18.6 - 20.0 mi

Top 1%
×5
+64ft-50ft

Overall

375

Males

357

M18-39

357

20M→21M

20.0 - 21.0 mi

Top 2%
×8
+106ft-24ft

Overall

566

Males

542

M18-39

542

21M→35K

21.0 - 21.8 mi

Top 1%
×7
+17ft-86ft

Overall

392

Males

372

M18-39

372

35K→23M

21.8 - 23.0 mi

Top 2%
×5
+23ft-63ft

Overall

447

Males

426

M18-39

426

23M→24M

23.0 - 24.0 mi

Top 1%
×6
+12ft-82ft

Overall

347

Males

327

M18-39

327

24M→40K

24.0 - 24.9 mi

Top 1%
×1
+6ft-20ft

Overall

419

Males

397

M18-39

397

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1
+13ft-16ft

Overall

421

Males

406

M18-39

406

25.2M→FINISH

25.2 - 26.2 mi

Top 2%
×2
+22ft-21ft

Overall

538

Males

517

M18-39

517

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
144
Passed By
119
Net Change
+25
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#374
5K → 10K2019+1#374#373
10K → 15K823-15#373#388
15K → 20K253+22#388#366
20K → HALF21+1#366#365
HALF → 25K1614+2#365#363
25K → 30K1321-8#363#371
30K → 20M148+6#371#365
20M → 21M611-5#365#370
21M → 35K82+6#370#364
35K → 23M85+3#364#361
23M → 24M65+1#361#360
24M → 40K45-1#360#361
40K → 25.2M50+5#361#356
25.2M → FINISH92+7#356#349
TOTALS144119+25
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing