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BOSTON MARATHON 2023

James Choura

Bib: 25393•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
Masters (Masters Men)
#0 / 9891
Top 13%
Division (M40-44)
#0 / 2241
Top 31%
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
6:46/mi
21:01
↑ 97↓ 3451.5%
10K· 6.21 mi
6:45/mi
41:59
↑ 79↓ 1380.4%
15K· 9.32 mi
6:50/mi
1:03:13
↑ 67↓ 78
20K· 12.43 mi
6:49/mi
1:24:23
↑ 106↓ 860.1%
Half· 13.11 mi
6:42/mi
1:28:57
↑ 19↓ 370.5%
25K· 15.53 mi
6:49/mi
1:45:28
↑ 66↓ 880.2%
30K· 18.64 mi
7:02/mi
2:07:19
↑ 181↓ 1480.2%
20M
7:02/mi
2:16:53
↑ 64↓ 500.2%
21M
7:37/mi
2:24:30
↑ 106↓ 241.6%
35K· 21.75 mi
6:38/mi
2:29:28
↑ 17↓ 861.7%
23M
6:55/mi
2:38:07
↑ 23↓ 630.6%
24M
6:43/mi
2:44:50
↓ 821.3%
40K· 24.85 mi
6:54/mi
2:50:44
↓ 200.3%
25.2M
7:32/mi
2:53:20
↑ 13↓ 160.2%
Finish· 26.22 mi
6:43/mi
3:00:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:57
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:31:14
Pace6:58 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:36:5721:016:4621:01
6:46
-
10K
6.21 mi11:57:5541:596:4520:58
6:45
-0:01
15K
9.32 mi12:19:091:03:136:4721:14
6:50
+0:05
20K
12.43 mi12:40:191:24:236:4721:10
6:49
-0:01
Half
13.11 mi12:44:531:28:576:474:34
6:42
-0:07
25K
15.53 mi13:01:241:45:286:4716:31
6:49
+0:07
30K
18.64 mi13:23:152:07:196:5021:51
7:02
+0:13
20M
20.00 mi13:32:492:16:536:519:34
7:02
0:00
21M
21.00 mi13:40:262:24:306:537:37
7:37
+0:35
35K
21.75 mi13:45:242:29:286:524:58
6:38
-0:59
23M
23.00 mi13:54:032:38:076:528:39
6:55
+0:17
24M
24.00 mi14:00:462:44:506:526:43
6:43
-0:12
40K
24.85 mi14:06:402:50:446:525:54
6:54
+0:11
25.2M
25.20 mi14:09:162:53:206:532:36
7:32
+0:38
Finish
26.22 mi14:16:073:00:116:536:51
6:43
-0:49

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

6:53 /mi

Slowest Pace

7:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:58

94% of race

Time at Steady Pace

10:13

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi11:36:5721:016:4621:01
6:46
#4304
10K
6.21 mi11:57:5541:596:4520:58
6:45
#4565
15K
9.32 mi12:19:091:03:136:4721:14
6:50
#4821
20K
12.43 mi12:40:191:24:236:4721:10
6:49
#4735
Half
13.11 mi12:44:531:28:576:474:34
6:42
#4703
25K
15.53 mi13:01:241:45:286:4716:31
6:49
#4580
30K
18.64 mi13:23:152:07:196:5021:51
7:02
#4573
20M
20.00 mi13:32:492:16:536:519:34
7:02
#4533
21M
21.00 mi13:40:262:24:306:537:37
7:37
#4591
35K
21.75 mi13:45:242:29:286:524:58
6:38
#4516
23M
23.00 mi13:54:032:38:076:528:39
6:55
#4394
24M
24.00 mi14:00:462:44:506:526:43
6:43
#4326
40K
24.85 mi14:06:402:50:446:525:54
6:54
#4262
25.2M
25.20 mi14:09:162:53:206:532:36
7:32
#4262
Finish
26.22 mi14:16:073:00:116:536:51
6:43
#4235
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4304402240225414(Top 20%)4991(Top 33%)4991(Top 223%)
10K6.21 mi3.10 mi4565-2614264-2424264-2424801(Top 18%)4458(Top 29%)4458(Top 199%)
15K9.32 mi3.11 mi4821-2564484-2204484-2205414(Top 20%)4991(Top 33%)4991(Top 223%)
20K12.43 mi3.11 mi4735+864416+684416+684545(Top 17%)4234(Top 28%)4234(Top 189%)
Half13.11 mi0.68 mi4703+324384+324384+324278(Top 16%)4002(Top 26%)4002(Top 179%)
25K15.53 mi2.42 mi4580+1234276+1084276+1084255(Top 16%)3980(Top 26%)3980(Top 178%)
30K18.64 mi3.11 mi4573+74266+104266+104557(Top 17%)4219(Top 28%)4219(Top 188%)
20M20.00 mi1.36 mi4533+404226+404226+404264(Top 16%)3935(Top 26%)3935(Top 176%)
21M21.00 mi1.00 mi4591-584278-524278-525155(Top 19%)4580(Top 30%)4580(Top 204%)
35K21.75 mi0.75 mi4516+754212+664212+663249(Top 12%)3034(Top 20%)3034(Top 135%)
23M23.00 mi1.25 mi4394+1224105+1074105+1073304(Top 12%)3073(Top 20%)3073(Top 137%)
24M24.00 mi1.00 mi4326+684046+594046+593220(Top 12%)2986(Top 20%)2986(Top 133%)
40K24.85 mi0.85 mi4262+643983+633983+633343(Top 13%)3059(Top 20%)3059(Top 137%)
25.2M25.20 mi0.35 mi42623980+33980+34046(Top 15%)3588(Top 24%)3588(Top 160%)
Finish26.22 mi1.02 mi4235+273956+243956+243632(Top 14%)3246(Top 21%)3246(Top 145%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5414

Males

4991

M40-44

4991

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

4801

Males

4458

M40-44

4458

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5414

Males

4991

M40-44

4991

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4545

Males

4234

M40-44

4234

20K→Half

12.4 - 13.1 mi

Top 16%
×2story building
+19ft-37ft

Overall

4278

Males

4002

M40-44

4002

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4255

Males

3980

M40-44

3980

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4557

Males

4219

M40-44

4219

30K→20M

18.6 - 20.0 mi

Top 16%
×5story building
+64ft-50ft

Overall

4264

Males

3935

M40-44

3935

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

5155

Males

4580

M40-44

4580

21M→35K

21.0 - 21.8 mi

Top 12%
×7story building
+17ft-86ft

Overall

3249

Males

3034

M40-44

3034

35K→23M

21.8 - 23.0 mi

Top 12%
×5story building
+23ft-63ft

Overall

3304

Males

3073

M40-44

3073

23M→24M

23.0 - 24.0 mi

Top 12%
×6story building
+12ft-82ft

Overall

3220

Males

2986

M40-44

2986

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3343

Males

3059

M40-44

3059

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4046

Males

3588

M40-44

3588

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2story building
+22ft-21ft

Overall

3632

Males

3246

M40-44

3246

Passing Analysis

Category:
Athletes Passed
1245
Passed By
1176
Net Change
+69
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4304
5K → 10K114375-261#4304#4565
10K → 15K55311-256#4565#4821
15K → 20K14862+86#4821#4735
20K → Half4210+32#4735#4703
Half → 25K16441+123#4703#4580
25K → 30K132125+7#4580#4573
30K → 20M8040+40#4573#4533
20M → 21M43101-58#4533#4591
21M → 35K827+75#4591#4516
35K → 23M14624+122#4516#4394
23M → 24M8618+68#4394#4326
24M → 40K7511+64#4326#4262
40K → 25.2M22220#4262#4262
25.2M → Finish5629+27#4262#4235
TOTALS12451176+69
📊

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