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BOSTON MARATHON 2023

William Peters

Bib: 581•M

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 1%
Gender (Male)
#0 / 15176
Top 2%
Division (M18-39)
#0 / 5285
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
18:14
Rank: #485
Start → 5K
18:14 | 5:52/mi
10K· 6.21 mi
36:18
Rank: #453 (+32)
5K → 10K
18:04 | 5:49/mi
15K· 9.32 mi
54:38
Rank: #465 (-12)
10K → 15K
18:20 | 5:54/mi
20K· 12.43 mi
1:13:04
Rank: #456 (+9)
15K → 20K
18:26 | 5:56/mi
Half· 13.11 mi
1:17:01
Rank: #449 (+7)
20K → Half
3:57 | 5:47/mi
25K· 15.53 mi
1:31:16
Rank: #435 (+14)
Half → 25K
14:15 | 5:53/mi
30K· 18.64 mi
1:50:07
Rank: #435
25K → 30K
18:51 | 6:04/mi
20M
1:58:11
Rank: #417 (+18)
30K → 20M
8:04 | 5:56/mi
21M
2:04:21
Rank: #401 (+16)
20M → 21M
6:10 | 6:10/mi
35K· 21.75 mi
2:08:37
Rank: #390 (+11)
21M → 35K
4:16 | 5:42/mi
23M
2:16:06
Rank: #376 (+14)
35K → 23M
7:29 | 5:59/mi
24M
2:22:01
Rank: #369 (+7)
23M → 24M
5:55 | 5:55/mi
40K· 24.85 mi
2:27:07
Rank: #353 (+16)
24M → 40K
5:06 | 5:58/mi
25.2M
2:29:17
Rank: #347 (+6)
40K → 25.2M
2:10 | 6:17/mi
Finish· 26.22 mi
2:35:16
Rank: #337 (+10)
25.2M → Finish
5:59 | 5:52/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:01
Pace5:52 /mi
2nd Half
Distance13.11 mi
Time1:18:15
Pace5:58 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2618:145:5218:14
5:52
-
10K
6.21 mi10:36:3036:185:5118:04
5:49
-0:03
15K
9.32 mi10:54:5054:385:5218:20
5:54
+0:05
20K
12.43 mi11:13:161:13:045:5318:26
5:56
+0:02
Half
13.11 mi11:17:131:17:015:523:57
5:47
-0:09
25K
15.53 mi11:31:281:31:165:5314:15
5:53
+0:06
30K
18.64 mi11:50:191:50:075:5418:51
6:04
+0:11
20M
20.00 mi11:58:231:58:115:558:04
5:56
-0:08
21M
21.00 mi12:04:332:04:215:556:10
6:10
+0:14
35K
21.75 mi12:08:492:08:375:554:16
5:42
-0:28
23M
23.00 mi12:16:182:16:065:557:29
5:59
+0:17
24M
24.00 mi12:22:132:22:015:555:55
5:55
-0:04
40K
24.85 mi12:27:192:27:075:555:06
5:58
+0:03
25.2M
25.20 mi12:29:292:29:175:552:10
6:17
+0:19
Finish
26.22 mi12:35:282:35:165:565:59
5:52
-0:25

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

5:42 /mi

Average Pace

5:56 /mi

Slowest Pace

6:17 /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

2:33:06

99% of race

Time at Steady Pace

2:10

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:55 /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 mi10:18:2618:145:5218:14
5:52
#485
10K
6.21 mi10:36:3036:185:5118:04
5:49
#453
15K
9.32 mi10:54:5054:385:5218:20
5:54
#465
20K
12.43 mi11:13:161:13:045:5318:26
5:56
#456
Half
13.11 mi11:17:131:17:015:523:57
5:47
#449
25K
15.53 mi11:31:281:31:165:5314:15
5:53
#435
30K
18.64 mi11:50:191:50:075:5418:51
6:04
#435
20M
20.00 mi11:58:231:58:115:558:04
5:56
#417
21M
21.00 mi12:04:332:04:215:556:10
6:10
#401
35K
21.75 mi12:08:492:08:375:554:16
5:42
#390
23M
23.00 mi12:16:182:16:065:557:29
5:59
#376
24M
24.00 mi12:22:132:22:015:555:55
5:55
#369
40K
24.85 mi12:27:192:27:075:555:06
5:58
#353
25.2M
25.20 mi12:29:292:29:175:552:10
6:17
#347
Finish
26.22 mi12:35:282:35:165:565:59
5:52
#337
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi485449449511(Top 2%)469(Top 3%)469(Top 9%)
10K6.21 mi3.10 mi453+32418+31418+31445(Top 2%)410(Top 3%)410(Top 8%)
15K9.32 mi3.11 mi465-12429-11429-11511(Top 2%)469(Top 3%)469(Top 9%)
20K12.43 mi3.11 mi456+9420+9420+9470(Top 2%)431(Top 3%)431(Top 8%)
Half13.11 mi0.68 mi449+7413+7413+7376(Top 1%)347(Top 2%)347(Top 7%)
25K15.53 mi2.42 mi435+14400+13400+13360(Top 1%)332(Top 2%)332(Top 6%)
30K18.64 mi3.11 mi435399+1399+1455(Top 2%)423(Top 3%)423(Top 8%)
20M20.00 mi1.36 mi417+18385+14385+14281(Top 1%)256(Top 2%)256(Top 5%)
21M21.00 mi1.00 mi401+16369+16369+16214(Top 0.8%)191(Top 1%)191(Top 4%)
35K21.75 mi0.75 mi390+11358+11358+11234(Top 0.9%)211(Top 1%)211(Top 4%)
23M23.00 mi1.25 mi376+14343+15343+15286(Top 1%)261(Top 2%)261(Top 5%)
24M24.00 mi1.00 mi369+7337+6337+6403(Top 2%)377(Top 2%)377(Top 7%)
40K24.85 mi0.85 mi353+16321+16321+16294(Top 1%)271(Top 2%)271(Top 5%)
25.2M25.20 mi0.35 mi347+6315+6315+6214(Top 0.8%)195(Top 1%)195(Top 4%)
Finish26.22 mi1.02 mi337+10306+9306+9482(Top 2%)459(Top 3%)459(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

511

Males

469

M18-39

469

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

445

Males

410

M18-39

410

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

511

Males

469

M18-39

469

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

470

Males

431

M18-39

431

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

376

Males

347

M18-39

347

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

360

Males

332

M18-39

332

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

455

Males

423

M18-39

423

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

281

Males

256

M18-39

256

20M→21M

20.0 - 21.0 mi

Top 0.8%
×8stories
+106ft-24ft

Overall

214

Males

191

M18-39

191

21M→35K

21.0 - 21.8 mi

Top 0.9%
×7stories
+17ft-86ft

Overall

234

Males

211

M18-39

211

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

286

Males

261

M18-39

261

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

403

Males

377

M18-39

377

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

294

Males

271

M18-39

271

40K→25.2M

24.9 - 25.2 mi

Top 0.8%
×1story
+13ft-16ft

Overall

214

Males

195

M18-39

195

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

482

Males

459

M18-39

459

Passing Analysis

Category:
Athletes Passed
231
Passed By
83
Net Change
+148
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#485
5K → 10K4210+32#485#453
10K → 15K1426-12#453#465
15K → 20K1910+9#465#456
20K → Half81+7#456#449
Half → 25K151+14#449#435
25K → 30K24240#435#435
30K → 20M191+18#435#417
20M → 21M182+16#417#401
21M → 35K110+11#401#390
35K → 23M173+14#390#376
23M → 24M92+7#376#369
24M → 40K160+16#369#353
40K → 25.2M60+6#353#347
25.2M → Finish133+10#347#337
TOTALS23183+148
📊

Passing Visuals

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing