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BOSTON MARATHON 2023

Isaac Wilson

Bib: 3003•M

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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 14%
Division (M18-39)
#0 / 5285
Top 32%
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
21:30
Rank: #5706
Start → 5K
21:30 | 6:55/mi
10K· 6.21 mi
41:55
Rank: #4426 (+1280)
5K → 10K
20:25 | 6:34/mi
15K· 9.32 mi
1:03:21
Rank: #4967 (-541)
10K → 15K
21:26 | 6:54/mi
20K· 12.43 mi
1:23:56
Rank: #4376 (+591)
15K → 20K
20:35 | 6:38/mi
Half· 13.11 mi
1:28:27
Rank: #4337 (+39)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:44:51
Rank: #4202 (+135)
Half → 25K
16:24 | 6:46/mi
30K· 18.64 mi
2:05:48
Rank: #3835 (+367)
25K → 30K
20:57 | 6:45/mi
20M
2:14:32
Rank: #3507 (+328)
30K → 20M
8:44 | 6:26/mi
21M
2:21:10
Rank: #3234 (+273)
20M → 21M
6:38 | 6:38/mi
35K· 21.75 mi
2:25:45
Rank: #3101 (+133)
21M → 35K
4:35 | 6:08/mi
23M
2:33:25
Rank: #2786 (+315)
35K → 23M
7:40 | 6:07/mi
24M
2:39:28
Rank: #2593 (+193)
23M → 24M
6:03 | 6:03/mi
40K· 24.85 mi
2:44:38
Rank: #2441 (+152)
24M → 40K
5:10 | 6:03/mi
25.2M
2:46:51
Rank: #2378 (+63)
40K → 25.2M
2:13 | 6:26/mi
Finish· 26.22 mi
2:52:57
Rank: #2266 (+112)
25.2M → Finish
6:06 | 5:59/mi

Course Map & Elevation

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:28:27
Pace6:45 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:24:30
Pace6:27 /mi
📊Negative Split: 4.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3221:306:5521:30
6:55
-
10K
6.21 mi10:43:5741:556:4520:25
6:34
-0:21
15K
9.32 mi11:05:231:03:216:4821:26
6:54
+0:20
20K
12.43 mi11:25:581:23:566:4520:35
6:38
-0:16
Half
13.11 mi11:30:291:28:276:454:31
6:37
-0:01
25K
15.53 mi11:46:531:44:516:4516:24
6:46
+0:09
30K
18.64 mi12:07:502:05:486:4520:57
6:45
-0:01
20M
20.00 mi12:16:342:14:326:448:44
6:26
-0:19
21M
21.00 mi12:23:122:21:106:436:38
6:38
+0:12
35K
21.75 mi12:27:472:25:456:424:35
6:08
-0:30
23M
23.00 mi12:35:272:33:256:407:40
6:07
-0:01
24M
24.00 mi12:41:302:39:286:396:03
6:03
-0:04
40K
24.85 mi12:46:402:44:386:375:10
6:03
0:00
25.2M
25.20 mi12:48:532:46:516:372:13
6:26
+0:23
Finish
26.22 mi12:54:592:52:576:366:06
5:59
-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

5:59 /mi

Average Pace

6:36 /mi

Slowest Pace

6:55 /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

1:00:56

35% of race

Time at Steady Pace

1:52:01

65% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:36 /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 mi10:23:3221:306:5521:30
6:55
#5706
10K
6.21 mi10:43:5741:556:4520:25
6:34
#4426
15K
9.32 mi11:05:231:03:216:4821:26
6:54
#4967
20K
12.43 mi11:25:581:23:566:4520:35
6:38
#4376
Half
13.11 mi11:30:291:28:276:454:31
6:37
#4337
25K
15.53 mi11:46:531:44:516:4516:24
6:46
#4202
30K
18.64 mi12:07:502:05:486:4520:57
6:45
#3835
20M
20.00 mi12:16:342:14:326:448:44
6:26
#3507
21M
21.00 mi12:23:122:21:106:436:38
6:38
#3234
35K
21.75 mi12:27:472:25:456:424:35
6:08
#3101
23M
23.00 mi12:35:272:33:256:407:40
6:07
#2786
24M
24.00 mi12:41:302:39:286:396:03
6:03
#2593
40K
24.85 mi12:46:402:44:386:375:10
6:03
#2441
25.2M
25.20 mi12:48:532:46:516:372:13
6:26
#2378
Finish
26.22 mi12:54:592:52:576:366:06
5:59
#2266
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5706524252425937(Top 22%)5412(Top 36%)5412(Top 102%)
10K6.21 mi3.10 mi4426+12804140+11024140+11023277(Top 12%)3119(Top 21%)3119(Top 59%)
15K9.32 mi3.11 mi4967-5414611-4714611-4715937(Top 22%)5412(Top 36%)5412(Top 102%)
20K12.43 mi3.11 mi4376+5914095+5164095+5162994(Top 11%)2850(Top 19%)2850(Top 54%)
Half13.11 mi0.68 mi4337+394060+354060+353502(Top 13%)3310(Top 22%)3310(Top 63%)
25K15.53 mi2.42 mi4202+1353940+1203940+1203820(Top 14%)3592(Top 24%)3592(Top 68%)
30K18.64 mi3.11 mi3835+3673617+3233617+3232631(Top 10%)2499(Top 16%)2499(Top 47%)
20M20.00 mi1.36 mi3507+3283317+3003317+3001225(Top 5%)1167(Top 8%)1167(Top 22%)
21M21.00 mi1.00 mi3234+2733066+2513066+251950(Top 4%)902(Top 6%)902(Top 17%)
35K21.75 mi0.75 mi3101+1332944+1222944+1221033(Top 4%)983(Top 6%)983(Top 19%)
23M23.00 mi1.25 mi2786+3152658+2862658+286501(Top 2%)470(Top 3%)470(Top 9%)
24M24.00 mi1.00 mi2593+1932478+1802478+180665(Top 2%)630(Top 4%)630(Top 12%)
40K24.85 mi0.85 mi2441+1522333+1452333+145403(Top 2%)378(Top 2%)378(Top 7%)
25.2M25.20 mi0.35 mi2378+632275+582275+58423(Top 2%)401(Top 3%)401(Top 8%)
Finish26.22 mi1.02 mi2266+1122170+1052170+105705(Top 3%)674(Top 4%)674(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5937

Males

5412

M18-39

5412

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3277

Males

3119

M18-39

3119

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5937

Males

5412

M18-39

5412

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2994

Males

2850

M18-39

2850

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3502

Males

3310

M18-39

3310

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3820

Males

3592

M18-39

3592

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2631

Males

2499

M18-39

2499

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1225

Males

1167

M18-39

1167

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

950

Males

902

M18-39

902

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1033

Males

983

M18-39

983

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

501

Males

470

M18-39

470

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

665

Males

630

M18-39

630

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

403

Males

378

M18-39

378

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

423

Males

401

M18-39

401

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

705

Males

674

M18-39

674

Passing Analysis

Category:
Athletes Passed
4048
Passed By
608
Net Change
+3440
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5706
5K → 10K12855+1280#5706#4426
10K → 15K26567-541#4426#4967
15K → 20K5910+591#4967#4376
20K → Half423+39#4376#4337
Half → 25K16429+135#4337#4202
25K → 30K3714+367#4202#3835
30K → 20M3280+328#3835#3507
20M → 21M2730+273#3507#3234
21M → 35K1330+133#3234#3101
35K → 23M3150+315#3101#2786
23M → 24M1930+193#2786#2593
24M → 40K1520+152#2593#2441
40K → 25.2M630+63#2441#2378
25.2M → Finish1120+112#2378#2266
TOTALS4048608+3440
📊

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