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BOSTON MARATHON 2023

Jon Ober

Bib: 6804•M

MD

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:58
Rank: #6683
Start → 5K
21:58 | 7:04/mi
10K· 6.21 mi
43:08
Rank: #6134 (+549)
5K → 10K
21:10 | 6:49/mi
15K· 9.32 mi
1:04:12
Rank: #5761 (+373)
10K → 15K
21:04 | 6:47/mi
20K· 12.43 mi
1:25:38
Rank: #5651 (+110)
15K → 20K
21:26 | 6:54/mi
Half· 13.11 mi
1:30:21
Rank: #5664 (-13)
20K → Half
4:43 | 6:54/mi
25K· 15.53 mi
1:47:14
Rank: #5602 (+62)
Half → 25K
16:53 | 6:58/mi
30K· 18.64 mi
2:09:31
Rank: #5517 (+85)
25K → 30K
22:17 | 7:10/mi
20M
2:19:32
Rank: #5522 (-5)
30K → 20M
10:01 | 7:22/mi
21M
2:26:54
Rank: #5377 (+145)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:32:25
Rank: #5439 (-62)
21M → 35K
5:31 | 7:22/mi
23M
2:41:33
Rank: #5370 (+69)
35K → 23M
9:08 | 7:18/mi
24M
2:48:51
Rank: #5359 (+11)
23M → 24M
7:18 | 7:18/mi
40K· 24.85 mi
2:55:14
Rank: #5338 (+21)
24M → 40K
6:23 | 7:28/mi
25.2M
2:57:44
Rank: #5282 (+56)
40K → 25.2M
2:30 | 7:16/mi
Finish· 26.22 mi
3:05:08
Rank: #5280 (+2)
25.2M → Finish
7:24 | 7:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:21
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:34:47
Pace7:14 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:4321:587:0421:58
7:04
-
10K
6.21 mi10:46:5343:086:5621:10
6:49
-0:15
15K
9.32 mi11:07:571:04:126:5321:04
6:47
-0:02
20K
12.43 mi11:29:231:25:386:5321:26
6:54
+0:07
Half
13.11 mi11:34:061:30:216:544:43
6:54
0:00
25K
15.53 mi11:50:591:47:146:5416:53
6:58
+0:04
30K
18.64 mi12:13:162:09:316:5722:17
7:10
+0:12
20M
20.00 mi12:23:172:19:326:5910:01
7:22
+0:12
21M
21.00 mi12:30:392:26:547:007:22
7:22
0:00
35K
21.75 mi12:36:102:32:257:005:31
7:22
0:00
23M
23.00 mi12:45:182:41:337:019:08
7:18
-0:04
24M
24.00 mi12:52:362:48:517:027:18
7:18
0:00
40K
24.85 mi12:58:592:55:147:036:23
7:28
+0:10
25.2M
25.20 mi13:01:292:57:447:032:30
7:16
-0:12
Finish
26.22 mi13:08:533:05:087:047:24
7:16
0:00

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

6:47 /mi

Average Pace

7:04 /mi

Slowest Pace

7:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:45

97% of race

Time at Steady Pace

6:23

3% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:04 /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 mi10:25:4321:587:0421:58
7:04
#6683
10K
6.21 mi10:46:5343:086:5621:10
6:49
#6134
15K
9.32 mi11:07:571:04:126:5321:04
6:47
#5761
20K
12.43 mi11:29:231:25:386:5321:26
6:54
#5651
Half
13.11 mi11:34:061:30:216:544:43
6:54
#5664
25K
15.53 mi11:50:591:47:146:5416:53
6:58
#5602
30K
18.64 mi12:13:162:09:316:5722:17
7:10
#5517
20M
20.00 mi12:23:172:19:326:5910:01
7:22
#5522
21M
21.00 mi12:30:392:26:547:007:22
7:22
#5377
35K
21.75 mi12:36:102:32:257:005:31
7:22
#5439
23M
23.00 mi12:45:182:41:337:019:08
7:18
#5370
24M
24.00 mi12:52:362:48:517:027:18
7:18
#5359
40K
24.85 mi12:58:592:55:147:036:23
7:28
#5338
25.2M
25.20 mi13:01:292:57:447:032:30
7:16
#5282
Finish
26.22 mi13:08:533:05:087:047:24
7:16
#5280
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6683602760274937(Top 19%)4588(Top 30%)4588(Top 87%)
10K6.21 mi3.10 mi6134+5495589+4385589+4385415(Top 20%)4992(Top 33%)4992(Top 94%)
15K9.32 mi3.11 mi5761+3735288+3015288+3014937(Top 19%)4588(Top 30%)4588(Top 87%)
20K12.43 mi3.11 mi5651+1105204+845204+845358(Top 20%)4946(Top 33%)4946(Top 94%)
Half13.11 mi0.68 mi5664-135220-165220-166008(Top 23%)5478(Top 36%)5478(Top 104%)
25K15.53 mi2.42 mi5602+625157+635157+635365(Top 20%)4945(Top 33%)4945(Top 94%)
30K18.64 mi3.11 mi5517+855080+775080+775343(Top 20%)4873(Top 32%)4873(Top 92%)
20M20.00 mi1.36 mi5522-55077+35077+35998(Top 23%)5283(Top 35%)5283(Top 100%)
21M21.00 mi1.00 mi5377+1454946+1314946+1314017(Top 15%)3695(Top 24%)3695(Top 70%)
35K21.75 mi0.75 mi5439-624992-464992-467562(Top 28%)6204(Top 41%)6204(Top 117%)
23M23.00 mi1.25 mi5370+694926+664926+665316(Top 20%)4691(Top 31%)4691(Top 89%)
24M24.00 mi1.00 mi5359+114909+174909+176315(Top 24%)5278(Top 35%)5278(Top 100%)
40K24.85 mi0.85 mi5338+214881+284881+286457(Top 24%)5303(Top 35%)5303(Top 100%)
25.2M25.20 mi0.35 mi5282+564829+524829+522828(Top 11%)2584(Top 17%)2584(Top 49%)
Finish26.22 mi1.02 mi5280+24828+14828+16782(Top 25%)5417(Top 36%)5417(Top 102%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

4937

Males

4588

M18-39

4588

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5415

Males

4992

M18-39

4992

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

4937

Males

4588

M18-39

4588

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5358

Males

4946

M18-39

4946

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6008

Males

5478

M18-39

5478

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5365

Males

4945

M18-39

4945

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5343

Males

4873

M18-39

4873

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

5998

Males

5283

M18-39

5283

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4017

Males

3695

M18-39

3695

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7562

Males

6204

M18-39

6204

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5316

Males

4691

M18-39

4691

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6315

Males

5278

M18-39

5278

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6457

Males

5303

M18-39

5303

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2828

Males

2584

M18-39

2584

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6782

Males

5417

M18-39

5417

Passing Analysis

Category:
Athletes Passed
1957
Passed By
554
Net Change
+1403
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6683
5K → 10K58233+549#6683#6134
10K → 15K39118+373#6134#5761
15K → 20K16050+110#5761#5651
20K → Half1326-13#5651#5664
Half → 25K10745+62#5664#5602
25K → 30K15873+85#5602#5517
30K → 20M5156-5#5517#5522
20M → 21M15510+145#5522#5377
21M → 35K1779-62#5377#5439
35K → 23M9930+69#5439#5370
23M → 24M5544+11#5370#5359
24M → 40K6140+21#5359#5338
40K → 25.2M582+56#5338#5282
25.2M → Finish5048+2#5282#5280
TOTALS1957554+1403
📊

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