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BOSTON MARATHON 2023

Jon Olsen

Bib: 1375•M

MN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Division (M18-39)
#0 / 5285
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:30
Rank: #1346
Start → 5K
19:30 | 6:17/mi
10K· 6.21 mi
38:15
Rank: #1096 (+250)
5K → 10K
18:45 | 6:02/mi
15K· 9.32 mi
57:05
Rank: #1020 (+76)
10K → 15K
18:50 | 6:04/mi
20K· 12.43 mi
1:15:52
Rank: #926 (+94)
15K → 20K
18:47 | 6:03/mi
Half· 13.11 mi
1:19:57
Rank: #909 (+17)
20K → Half
4:05 | 5:59/mi
25K· 15.53 mi
1:34:36
Rank: #832 (+77)
Half → 25K
14:39 | 6:03/mi
30K· 18.64 mi
1:53:24
Rank: #741 (+91)
25K → 30K
18:48 | 6:03/mi
20M
2:01:33
Rank: #694 (+47)
30K → 20M
8:09 | 6:00/mi
21M
2:07:52
Rank: #662 (+32)
20M → 21M
6:19 | 6:19/mi
35K· 21.75 mi
2:12:10
Rank: #646 (+16)
21M → 35K
4:18 | 5:45/mi
23M
2:19:42
Rank: #613 (+33)
35K → 23M
7:32 | 6:01/mi
24M
2:25:31
Rank: #600 (+13)
23M → 24M
5:49 | 5:49/mi
40K· 24.85 mi
2:30:42
Rank: #582 (+18)
24M → 40K
5:11 | 6:04/mi
25.2M
2:32:56
Rank: #574 (+8)
40K → 25.2M
2:14 | 6:29/mi
Finish· 26.22 mi
2:38:46
Rank: #554 (+20)
25.2M → Finish
5:50 | 5:43/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:19:57
Pace6:06 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:18:49
Pace6:01 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5919:306:1719:30
6:17
-
10K
6.21 mi10:38:4438:156:0918:45
6:02
-0:15
15K
9.32 mi10:57:3457:056:0718:50
6:04
+0:02
20K
12.43 mi11:16:211:15:526:0618:47
6:03
-0:01
Half
13.11 mi11:20:261:19:576:064:05
5:59
-0:04
25K
15.53 mi11:35:051:34:366:0514:39
6:03
+0:04
30K
18.64 mi11:53:531:53:246:0518:48
6:03
0:00
20M
20.00 mi12:02:022:01:336:058:09
6:00
-0:03
21M
21.00 mi12:08:212:07:526:056:19
6:19
+0:19
35K
21.75 mi12:12:392:12:106:054:18
5:45
-0:34
23M
23.00 mi12:20:112:19:426:047:32
6:01
+0:16
24M
24.00 mi12:26:002:25:316:045:49
5:49
-0:12
40K
24.85 mi12:31:112:30:426:045:11
6:04
+0:15
25.2M
25.20 mi12:33:252:32:566:042:14
6:29
+0:25
Finish
26.22 mi12:39:152:38:466:045:50
5:43
-0:46

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

5:43 /mi

Average Pace

6:04 /mi

Slowest Pace

6:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:13

95% of race

Time at Steady Pace

8:33

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:03 /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 mi10:19:5919:306:1719:30
6:17
#1346
10K
6.21 mi10:38:4438:156:0918:45
6:02
#1096
15K
9.32 mi10:57:3457:056:0718:50
6:04
#1020
20K
12.43 mi11:16:211:15:526:0618:47
6:03
#926
Half
13.11 mi11:20:261:19:576:064:05
5:59
#909
25K
15.53 mi11:35:051:34:366:0514:39
6:03
#832
30K
18.64 mi11:53:531:53:246:0518:48
6:03
#741
20M
20.00 mi12:02:022:01:336:058:09
6:00
#694
21M
21.00 mi12:08:212:07:526:056:19
6:19
#662
35K
21.75 mi12:12:392:12:106:054:18
5:45
#646
23M
23.00 mi12:20:112:19:426:047:32
6:01
#613
24M
24.00 mi12:26:002:25:316:045:49
5:49
#600
40K
24.85 mi12:31:112:30:426:045:11
6:04
#582
25.2M
25.20 mi12:33:252:32:566:042:14
6:29
#574
Finish
26.22 mi12:39:152:38:466:045:50
5:43
#554
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi134612781278843(Top 3%)796(Top 5%)796(Top 15%)
10K6.21 mi3.10 mi1096+2501037+2411037+241891(Top 3%)842(Top 6%)842(Top 16%)
15K9.32 mi3.11 mi1020+76967+70967+70843(Top 3%)796(Top 5%)796(Top 15%)
20K12.43 mi3.11 mi926+94877+90877+90646(Top 2%)604(Top 4%)604(Top 11%)
Half13.11 mi0.68 mi909+17861+16861+16704(Top 3%)663(Top 4%)663(Top 13%)
25K15.53 mi2.42 mi832+77786+75786+75608(Top 2%)568(Top 4%)568(Top 11%)
30K18.64 mi3.11 mi741+91699+87699+87440(Top 2%)408(Top 3%)408(Top 8%)
20M20.00 mi1.36 mi694+47652+47652+47348(Top 1%)321(Top 2%)321(Top 6%)
21M21.00 mi1.00 mi662+32620+32620+32374(Top 1%)345(Top 2%)345(Top 7%)
35K21.75 mi0.75 mi646+16604+16604+16290(Top 1%)265(Top 2%)265(Top 5%)
23M23.00 mi1.25 mi613+33573+31573+31322(Top 1%)297(Top 2%)297(Top 6%)
24M24.00 mi1.00 mi600+13560+13560+13280(Top 1%)256(Top 2%)256(Top 5%)
40K24.85 mi0.85 mi582+18543+17543+17425(Top 2%)398(Top 3%)398(Top 8%)
25.2M25.20 mi0.35 mi574+8535+8535+8462(Top 2%)436(Top 3%)436(Top 8%)
Finish26.22 mi1.02 mi554+20516+19516+19268(Top 1%)251(Top 2%)251(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

843

Males

796

M18-39

796

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

891

Males

842

M18-39

842

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

843

Males

796

M18-39

796

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

646

Males

604

M18-39

604

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

704

Males

663

M18-39

663

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

608

Males

568

M18-39

568

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

440

Males

408

M18-39

408

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

348

Males

321

M18-39

321

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

374

Males

345

M18-39

345

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

290

Males

265

M18-39

265

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

322

Males

297

M18-39

297

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

280

Males

256

M18-39

256

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

425

Males

398

M18-39

398

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

462

Males

436

M18-39

436

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

268

Males

251

M18-39

251

Passing Analysis

Category:
Athletes Passed
817
Passed By
25
Net Change
+792
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1346
5K → 10K2555+250#1346#1096
10K → 15K848+76#1096#1020
15K → 20K962+94#1020#926
20K → Half181+17#926#909
Half → 25K781+77#909#832
25K → 30K910+91#832#741
30K → 20M470+47#741#694
20M → 21M320+32#694#662
21M → 35K182+16#662#646
35K → 23M341+33#646#613
23M → 24M141+13#613#600
24M → 40K202+18#600#582
40K → 25.2M91+8#582#574
25.2M → Finish211+20#574#554
TOTALS81725+792
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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