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BOSTON MARATHON 2023

Juan Gonzalez

Bib: 830•M

CA

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
18:13
Rank: #477
Start → 5K
18:13 | 5:52/mi
10K· 6.21 mi
36:03
Rank: #403 (+74)
5K → 10K
17:50 | 5:44/mi
15K· 9.32 mi
54:02
Rank: #380 (+23)
10K → 15K
17:59 | 5:47/mi
20K· 12.43 mi
1:12:15
Rank: #379 (+1)
15K → 20K
18:13 | 5:52/mi
Half· 13.11 mi
1:16:10
Rank: #376 (+3)
20K → Half
3:55 | 5:44/mi
25K· 15.53 mi
1:30:20
Rank: #358 (+18)
Half → 25K
14:10 | 5:51/mi
30K· 18.64 mi
1:48:57
Rank: #353 (+5)
25K → 30K
18:37 | 6:00/mi
20M
1:57:10
Rank: #350 (+3)
30K → 20M
8:13 | 6:03/mi
21M
2:03:35
Rank: #350
20M → 21M
6:25 | 6:25/mi
35K· 21.75 mi
2:08:00
Rank: #350
21M → 35K
4:25 | 5:54/mi
23M
2:15:39
Rank: #347 (+3)
35K → 23M
7:39 | 6:07/mi
24M
2:21:31
Rank: #341 (+6)
23M → 24M
5:52 | 5:52/mi
40K· 24.85 mi
2:26:43
Rank: #338 (+3)
24M → 40K
5:12 | 6:05/mi
25.2M
2:28:59
Rank: #336 (+2)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:34:59
Rank: #321 (+15)
25.2M → Finish
6:00 | 5:53/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:10
Pace5:49 /mi
2nd Half
Distance13.11 mi
Time1:18:49
Pace6:01 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2418:135:5218:13
5:52
-
10K
6.21 mi10:36:1436:035:4817:50
5:44
-0:08
15K
9.32 mi10:54:1354:025:4817:59
5:47
+0:03
20K
12.43 mi11:12:261:12:155:4918:13
5:52
+0:05
Half
13.11 mi11:16:211:16:105:493:55
5:44
-0:08
25K
15.53 mi11:30:311:30:205:4914:10
5:51
+0:07
30K
18.64 mi11:49:081:48:575:5118:37
6:00
+0:09
20M
20.00 mi11:57:211:57:105:518:13
6:03
+0:03
21M
21.00 mi12:03:462:03:355:536:25
6:25
+0:22
35K
21.75 mi12:08:112:08:005:534:25
5:54
-0:31
23M
23.00 mi12:15:502:15:395:547:39
6:07
+0:13
24M
24.00 mi12:21:422:21:315:545:52
5:52
-0:15
40K
24.85 mi12:26:542:26:435:545:12
6:05
+0:13
25.2M
25.20 mi12:29:102:28:595:552:16
6:34
+0:29
Finish
26.22 mi12:35:102:34:595:556:00
5:53
-0:41

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

5:44 /mi

Average Pace

5:55 /mi

Slowest Pace

6:34 /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

2:26:18

94% of race

Time at Steady Pace

8:41

6% 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 mi10:18:2418:135:5218:13
5:52
#477
10K
6.21 mi10:36:1436:035:4817:50
5:44
#403
15K
9.32 mi10:54:1354:025:4817:59
5:47
#380
20K
12.43 mi11:12:261:12:155:4918:13
5:52
#379
Half
13.11 mi11:16:211:16:105:493:55
5:44
#376
25K
15.53 mi11:30:311:30:205:4914:10
5:51
#358
30K
18.64 mi11:49:081:48:575:5118:37
6:00
#353
20M
20.00 mi11:57:211:57:105:518:13
6:03
#350
21M
21.00 mi12:03:462:03:355:536:25
6:25
#350
35K
21.75 mi12:08:112:08:005:534:25
5:54
#350
23M
23.00 mi12:15:502:15:395:547:39
6:07
#347
24M
24.00 mi12:21:422:21:315:545:52
5:52
#341
40K
24.85 mi12:26:542:26:435:545:12
6:05
#338
25.2M
25.20 mi12:29:102:28:595:552:16
6:34
#336
Finish
26.22 mi12:35:102:34:595:556:00
5:53
#321
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi477441441356(Top 1%)323(Top 2%)323(Top 6%)
10K6.21 mi3.10 mi403+74368+73368+73362(Top 1%)327(Top 2%)327(Top 6%)
15K9.32 mi3.11 mi380+23345+23345+23356(Top 1%)323(Top 2%)323(Top 6%)
20K12.43 mi3.11 mi379+1344+1344+1377(Top 1%)344(Top 2%)344(Top 7%)
Half13.11 mi0.68 mi376+3342+2342+2315(Top 1%)291(Top 2%)291(Top 6%)
25K15.53 mi2.42 mi358+18326+16326+16332(Top 1%)304(Top 2%)304(Top 6%)
30K18.64 mi3.11 mi353+5321+5321+5372(Top 1%)341(Top 2%)341(Top 6%)
20M20.00 mi1.36 mi350+3318+3318+3395(Top 1%)363(Top 2%)363(Top 7%)
21M21.00 mi1.00 mi350318318504(Top 2%)470(Top 3%)470(Top 9%)
35K21.75 mi0.75 mi350319-1319-1505(Top 2%)469(Top 3%)469(Top 9%)
23M23.00 mi1.25 mi347+3316+3316+3464(Top 2%)433(Top 3%)433(Top 8%)
24M24.00 mi1.00 mi341+6310+6310+6333(Top 1%)307(Top 2%)307(Top 6%)
40K24.85 mi0.85 mi338+3306+4306+4446(Top 2%)419(Top 3%)419(Top 8%)
25.2M25.20 mi0.35 mi336+2304+2304+2591(Top 2%)558(Top 4%)558(Top 11%)
Finish26.22 mi1.02 mi321+15290+14290+14497(Top 2%)474(Top 3%)474(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

356

Males

323

M18-39

323

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

362

Males

327

M18-39

327

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

356

Males

323

M18-39

323

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

377

Males

344

M18-39

344

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

315

Males

291

M18-39

291

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

332

Males

304

M18-39

304

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

372

Males

341

M18-39

341

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

395

Males

363

M18-39

363

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

504

Males

470

M18-39

470

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

505

Males

469

M18-39

469

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

464

Males

433

M18-39

433

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

333

Males

307

M18-39

307

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

446

Males

419

M18-39

419

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

591

Males

558

M18-39

558

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

497

Males

474

M18-39

474

Passing Analysis

Category:
Athletes Passed
215
Passed By
59
Net Change
+156
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#477
5K → 10K751+74#477#403
10K → 15K252+23#403#380
15K → 20K1211+1#380#379
20K → Half30+3#379#376
Half → 25K213+18#376#358
25K → 30K1712+5#358#353
30K → 20M63+3#353#350
20M → 21M770#350#350
21M → 35K440#350#350
35K → 23M118+3#350#347
23M → 24M104+6#347#341
24M → 40K74+3#341#338
40K → 25.2M20+2#338#336
25.2M → Finish150+15#336#321
TOTALS21559+156
📊

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