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BOSTON MARATHON 2023

Sam Choukri

Bib: 12556•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Masters (Masters Men)
#0 / 9891
Top 10%
Division (M50-54)
#0 / 2052
Top 6%
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
6:55/mi
21:28
↑ 97↓ 3451.5%
10K· 6.21 mi
6:48/mi
42:35
↑ 79↓ 1380.4%
15K· 9.32 mi
6:45/mi
1:03:34
↑ 67↓ 78
20K· 12.43 mi
6:46/mi
1:24:34
↑ 106↓ 860.1%
Half· 13.11 mi
6:42/mi
1:29:08
↑ 19↓ 370.5%
25K· 15.53 mi
6:49/mi
1:45:39
↑ 66↓ 880.2%
30K· 18.64 mi
6:51/mi
2:06:55
↑ 181↓ 1480.2%
20M
6:56/mi
2:16:20
↑ 64↓ 500.2%
21M
7:07/mi
2:23:27
↑ 106↓ 241.6%
35K· 21.75 mi
6:38/mi
2:28:25
↑ 17↓ 861.7%
23M
6:53/mi
2:37:02
↑ 23↓ 630.6%
24M
6:39/mi
2:43:41
↓ 821.3%
40K· 24.85 mi
6:45/mi
2:49:27
↓ 200.3%
25.2M
7:24/mi
2:52:00
↑ 13↓ 160.2%
Finish· 26.22 mi
6:38/mi
2:58:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:08
Pace6:48 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:38
Pace6:50 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4221:286:5521:28
6:55
-
10K
6.21 mi11:09:4942:356:5121:07
6:48
-0:07
15K
9.32 mi11:30:481:03:346:4920:59
6:45
-0:03
20K
12.43 mi11:51:481:24:346:4821:00
6:46
+0:01
Half
13.11 mi11:56:221:29:086:484:34
6:42
-0:04
25K
15.53 mi12:12:531:45:396:4816:31
6:49
+0:07
30K
18.64 mi12:34:092:06:556:4921:16
6:51
+0:02
20M
20.00 mi12:43:342:16:206:499:25
6:56
+0:05
21M
21.00 mi12:50:412:23:276:507:07
7:07
+0:11
35K
21.75 mi12:55:392:28:256:494:58
6:38
-0:29
23M
23.00 mi13:04:162:37:026:508:37
6:53
+0:15
24M
24.00 mi13:10:552:43:416:496:39
6:39
-0:14
40K
24.85 mi13:16:412:49:276:495:46
6:45
+0:06
25.2M
25.20 mi13:19:142:52:006:502:33
7:24
+0:39
Finish
26.22 mi13:26:002:58:466:496:46
6:38
-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

6:38 /mi

Average Pace

6:49 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:13

99% of race

Time at Steady Pace

2:33

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:48:4221:286:5521:28
6:55
#5620
10K
6.21 mi11:09:4942:356:5121:07
6:48
#5441
15K
9.32 mi11:30:481:03:346:4920:59
6:45
#5172
20K
12.43 mi11:51:481:24:346:4821:00
6:46
#4892
Half
13.11 mi11:56:221:29:086:484:34
6:42
#4852
25K
15.53 mi12:12:531:45:396:4816:31
6:49
#4706
30K
18.64 mi12:34:092:06:556:4921:16
6:51
#4379
20M
20.00 mi12:43:342:16:206:499:25
6:56
#4293
21M
21.00 mi12:50:412:23:276:507:07
7:07
#4150
35K
21.75 mi12:55:392:28:256:494:58
6:38
#4089
23M
23.00 mi13:04:162:37:026:508:37
6:53
#3990
24M
24.00 mi13:10:552:43:416:496:39
6:39
#3917
40K
24.85 mi13:16:412:49:276:495:46
6:45
#3821
25.2M
25.20 mi13:19:142:52:006:502:33
7:24
#3802
Finish
26.22 mi13:26:002:58:466:496:46
6:38
#3766
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5620517251724638(Top 17%)4331(Top 29%)4331(Top 211%)
10K6.21 mi3.10 mi5441+1795023+1495023+1495252(Top 20%)4854(Top 32%)4854(Top 237%)
15K9.32 mi3.11 mi5172+2694794+2294794+2294638(Top 17%)4331(Top 29%)4331(Top 211%)
20K12.43 mi3.11 mi4892+2804556+2384556+2384066(Top 15%)3812(Top 25%)3812(Top 186%)
Half13.11 mi0.68 mi4852+404518+384518+384231(Top 16%)3955(Top 26%)3955(Top 193%)
25K15.53 mi2.42 mi4706+1464383+1354383+1354248(Top 16%)3973(Top 26%)3973(Top 194%)
30K18.64 mi3.11 mi4379+3274094+2894094+2893299(Top 12%)3109(Top 20%)3109(Top 152%)
20M20.00 mi1.36 mi4293+864018+764018+763595(Top 14%)3354(Top 22%)3354(Top 163%)
21M21.00 mi1.00 mi4150+1433889+1293889+1292704(Top 10%)2540(Top 17%)2540(Top 124%)
35K21.75 mi0.75 mi4089+613833+563833+563231(Top 12%)3016(Top 20%)3016(Top 147%)
23M23.00 mi1.25 mi3990+993742+913742+913126(Top 12%)2912(Top 19%)2912(Top 142%)
24M24.00 mi1.00 mi3917+733675+673675+672848(Top 11%)2649(Top 17%)2649(Top 129%)
40K24.85 mi0.85 mi3821+963591+843591+842575(Top 10%)2389(Top 16%)2389(Top 116%)
25.2M25.20 mi0.35 mi3802+193573+183573+183390(Top 13%)3073(Top 20%)3073(Top 150%)
Finish26.22 mi1.02 mi3766+363536+373536+373200(Top 12%)2877(Top 19%)2877(Top 140%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4638

Males

4331

M50-54

4331

5K→10K

3.1 - 6.2 mi

Top 20%
×5story building
+79ft-138ft

Overall

5252

Males

4854

M50-54

4854

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4638

Males

4331

M50-54

4331

15K→20K

9.3 - 12.4 mi

Top 15%
×5story building
+106ft-86ft

Overall

4066

Males

3812

M50-54

3812

20K→Half

12.4 - 13.1 mi

Top 16%
×2story building
+19ft-37ft

Overall

4231

Males

3955

M50-54

3955

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4248

Males

3973

M50-54

3973

25K→30K

15.5 - 18.6 mi

Top 12%
×9story building
+181ft-148ft

Overall

3299

Males

3109

M50-54

3109

30K→20M

18.6 - 20.0 mi

Top 14%
×5story building
+64ft-50ft

Overall

3595

Males

3354

M50-54

3354

20M→21M

20.0 - 21.0 mi

Top 10%
×8story building
+106ft-24ft

Overall

2704

Males

2540

M50-54

2540

21M→35K

21.0 - 21.8 mi

Top 12%
×7story building
+17ft-86ft

Overall

3231

Males

3016

M50-54

3016

35K→23M

21.8 - 23.0 mi

Top 12%
×5story building
+23ft-63ft

Overall

3126

Males

2912

M50-54

2912

23M→24M

23.0 - 24.0 mi

Top 11%
×6story building
+12ft-82ft

Overall

2848

Males

2649

M50-54

2649

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2575

Males

2389

M50-54

2389

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3390

Males

3073

M50-54

3073

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3200

Males

2877

M50-54

2877

Passing Analysis

Category:
Athletes Passed
2192
Passed By
338
Net Change
+1854
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5620
5K → 10K291112+179#5620#5441
10K → 15K30132+269#5441#5172
15K → 20K29212+280#5172#4892
20K → Half455+40#4892#4852
Half → 25K17731+146#4852#4706
25K → 30K3369+327#4706#4379
30K → 20M11024+86#4379#4293
20M → 21M1496+143#4293#4150
21M → 35K7110+61#4150#4089
35K → 23M11819+99#4089#3990
23M → 24M9421+73#3990#3917
24M → 40K10711+96#3917#3821
40K → 25.2M289+19#3821#3802
25.2M → Finish7337+36#3802#3766
TOTALS2192338+1854
📊

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