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BOSTON MARATHON 2023

Jake Simon

Bib: 5786•M

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 15%
Division (M18-39)
#0 / 5285
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:35/mi
20:26
↑ 97↓ 3451.5%
10K· 6.21 mi
6:28/mi
40:33
↑ 79↓ 1380.4%
15K· 9.32 mi
6:29/mi
1:00:42
↑ 67↓ 78
20K· 12.43 mi
6:31/mi
1:20:56
↑ 106↓ 860.1%
Half· 13.11 mi
6:30/mi
1:25:22
↑ 19↓ 370.5%
25K· 15.53 mi
6:37/mi
1:41:24
↑ 66↓ 880.2%
30K· 18.64 mi
6:47/mi
2:02:29
↑ 181↓ 1480.2%
20M
6:45/mi
2:11:39
↑ 64↓ 500.2%
21M
6:58/mi
2:18:37
↑ 106↓ 241.6%
35K· 21.75 mi
6:21/mi
2:23:22
↑ 17↓ 861.7%
23M
6:35/mi
2:31:36
↑ 23↓ 630.6%
24M
6:33/mi
2:38:09
↓ 821.3%
40K· 24.85 mi
6:44/mi
2:43:54
↓ 200.3%
25.2M
7:06/mi
2:46:21
↑ 13↓ 160.2%
Finish· 26.22 mi
6:40/mi
2:53:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:22
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:27:47
Pace6:42 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0820:266:3520:26
6:35
-
10K
6.21 mi10:43:1540:336:3220:07
6:28
-0:07
15K
9.32 mi11:03:241:00:426:3120:09
6:29
+0:01
20K
12.43 mi11:23:381:20:566:3120:14
6:31
+0:02
Half
13.11 mi11:28:041:25:226:314:26
6:30
-0:01
25K
15.53 mi11:44:061:41:246:3216:02
6:37
+0:07
30K
18.64 mi12:05:112:02:296:3421:05
6:47
+0:10
20M
20.00 mi12:14:212:11:396:359:10
6:45
-0:02
21M
21.00 mi12:21:192:18:376:366:58
6:58
+0:13
35K
21.75 mi12:26:042:23:226:364:45
6:21
-0:37
23M
23.00 mi12:34:182:31:366:358:14
6:35
+0:14
24M
24.00 mi12:40:512:38:096:356:33
6:33
-0:02
40K
24.85 mi12:46:362:43:546:365:45
6:44
+0:11
25.2M
25.20 mi12:49:032:46:216:362:27
7:06
+0:22
Finish
26.22 mi12:55:512:53:096:376:48
6:40
-0:26

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

6:21 /mi

Average Pace

6:37 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:42

99% of race

Time at Steady Pace

2:27

1% 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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:23:0820:266:3520:26
6:35
#2705
10K
6.21 mi10:43:1540:336:3220:07
6:28
#2659
15K
9.32 mi11:03:241:00:426:3120:09
6:29
#2600
20K
12.43 mi11:23:381:20:566:3120:14
6:31
#2518
Half
13.11 mi11:28:041:25:226:314:26
6:30
#2526
25K
15.53 mi11:44:061:41:246:3216:02
6:37
#2557
30K
18.64 mi12:05:112:02:296:3421:05
6:47
#2581
20M
20.00 mi12:14:212:11:396:359:10
6:45
#2553
21M
21.00 mi12:21:192:18:376:366:58
6:58
#2492
35K
21.75 mi12:26:042:23:226:364:45
6:21
#2442
23M
23.00 mi12:34:182:31:366:358:14
6:35
#2368
24M
24.00 mi12:40:512:38:096:356:33
6:33
#2342
40K
24.85 mi12:46:362:43:546:365:45
6:44
#2317
25.2M
25.20 mi12:49:032:46:216:362:27
7:06
#2303
Finish
26.22 mi12:55:512:53:096:376:48
6:40
#2304
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2705257625762550(Top 10%)2445(Top 16%)2445(Top 46%)
10K6.21 mi3.10 mi2659+462538+382538+382642(Top 10%)2526(Top 17%)2526(Top 48%)
15K9.32 mi3.11 mi2600+592483+552483+552550(Top 10%)2445(Top 16%)2445(Top 46%)
20K12.43 mi3.11 mi2518+822410+732410+732355(Top 9%)2257(Top 15%)2257(Top 43%)
Half13.11 mi0.68 mi2526-82419-92419-92735(Top 10%)2619(Top 17%)2619(Top 50%)
25K15.53 mi2.42 mi2557-312449-302449-302769(Top 10%)2647(Top 17%)2647(Top 50%)
30K18.64 mi3.11 mi2581-242466-172466-172866(Top 11%)2716(Top 18%)2716(Top 51%)
20M20.00 mi1.36 mi2553+282441+252441+252491(Top 9%)2362(Top 16%)2362(Top 45%)
21M21.00 mi1.00 mi2492+612386+552386+551999(Top 8%)1894(Top 12%)1894(Top 36%)
35K21.75 mi0.75 mi2442+502339+472339+471770(Top 7%)1683(Top 11%)1683(Top 32%)
23M23.00 mi1.25 mi2368+742266+732266+731702(Top 6%)1616(Top 11%)1616(Top 31%)
24M24.00 mi1.00 mi2342+262241+252241+252296(Top 9%)2147(Top 14%)2147(Top 41%)
40K24.85 mi0.85 mi2317+252218+232218+232446(Top 9%)2266(Top 15%)2266(Top 43%)
25.2M25.20 mi0.35 mi2303+142205+132205+132115(Top 8%)1971(Top 13%)1971(Top 37%)
Finish26.22 mi1.02 mi2304-12206-12206-13331(Top 13%)2989(Top 20%)2989(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21story building
+97ft-345ft

Overall

2550

Males

2445

M18-39

2445

5K→10K

3.1 - 6.2 mi

Top 10%
×5story building
+79ft-138ft

Overall

2642

Males

2526

M18-39

2526

10K→15K

6.2 - 9.3 mi

Top 10%
×3story building
+67ft-78ft

Overall

2550

Males

2445

M18-39

2445

15K→20K

9.3 - 12.4 mi

Top 9%
×5story building
+106ft-86ft

Overall

2355

Males

2257

M18-39

2257

20K→Half

12.4 - 13.1 mi

Top 10%
×2story building
+19ft-37ft

Overall

2735

Males

2619

M18-39

2619

Half→25K

13.1 - 15.5 mi

Top 10%
×4story building
+66ft-88ft

Overall

2769

Males

2647

M18-39

2647

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

2866

Males

2716

M18-39

2716

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2491

Males

2362

M18-39

2362

20M→21M

20.0 - 21.0 mi

Top 8%
×8story building
+106ft-24ft

Overall

1999

Males

1894

M18-39

1894

21M→35K

21.0 - 21.8 mi

Top 7%
×7story building
+17ft-86ft

Overall

1770

Males

1683

M18-39

1683

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1702

Males

1616

M18-39

1616

23M→24M

23.0 - 24.0 mi

Top 9%
×6story building
+12ft-82ft

Overall

2296

Males

2147

M18-39

2147

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2446

Males

2266

M18-39

2266

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2115

Males

1971

M18-39

1971

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2story building
+22ft-21ft

Overall

3331

Males

2989

M18-39

2989

Passing Analysis

Category:
Athletes Passed
883
Passed By
482
Net Change
+401
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2705
5K → 10K179133+46#2705#2659
10K → 15K10950+59#2659#2600
15K → 20K10725+82#2600#2518
20K → Half715-8#2518#2526
Half → 25K4172-31#2526#2557
25K → 30K6084-24#2557#2581
30K → 20M5224+28#2581#2553
20M → 21M7413+61#2553#2492
21M → 35K533+50#2492#2442
35K → 23M817+74#2442#2368
23M → 24M3812+26#2368#2342
24M → 40K3611+25#2342#2317
40K → 25.2M195+14#2317#2303
25.2M → Finish2728-1#2303#2304
TOTALS883482+401
📊

Passing Visuals

Category:
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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