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BOSTON MARATHON 2023

James De Jesus

Bib: 11351•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 33%
Gender (Male)
#0 / 15176
Top 48%
Masters (Masters Men)
#0 / 9891
Top 36%
Division (M50-54)
#0 / 2052
Top 32%
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
7:36/mi
23:38
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
46:44
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:10:04
↑ 67↓ 78
20K· 12.43 mi
7:35/mi
1:33:37
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:38:42
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:56:59
↑ 66↓ 880.2%
30K· 18.64 mi
7:36/mi
2:20:35
↑ 181↓ 1480.2%
20M
7:34/mi
2:30:52
↑ 64↓ 500.2%
21M
7:59/mi
2:38:51
↑ 106↓ 241.6%
35K· 21.75 mi
7:21/mi
2:44:21
↑ 17↓ 861.7%
23M
7:45/mi
2:54:03
↑ 23↓ 630.6%
24M
7:29/mi
3:01:32
↓ 821.3%
40K· 24.85 mi
7:45/mi
3:08:10
↓ 200.3%
25.2M
8:39/mi
3:11:09
↑ 13↓ 160.2%
Finish· 26.22 mi
7:21/mi
3:18:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:42
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:39:56
Pace7:37 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5823:387:3623:38
7:36
-
10K
6.21 mi11:15:0446:447:3123:06
7:26
-0:10
15K
9.32 mi11:38:241:10:047:3123:20
7:31
+0:05
20K
12.43 mi12:01:571:33:377:3223:33
7:35
+0:04
Half
13.11 mi12:07:021:38:427:325:05
7:27
-0:08
25K
15.53 mi12:25:191:56:597:3218:17
7:32
+0:05
30K
18.64 mi12:48:552:20:357:3223:36
7:36
+0:04
20M
20.00 mi12:59:122:30:527:3310:17
7:34
-0:02
21M
21.00 mi13:07:112:38:517:347:59
7:59
+0:25
35K
21.75 mi13:12:412:44:217:335:30
7:21
-0:38
23M
23.00 mi13:22:232:54:037:349:42
7:45
+0:24
24M
24.00 mi13:29:523:01:327:347:29
7:29
-0:16
40K
24.85 mi13:36:303:08:107:346:38
7:45
+0:16
25.2M
25.20 mi13:39:293:11:097:352:59
8:39
+0:54
Finish
26.22 mi13:46:583:18:387:357:29
7:21
-1:18

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

7:21 /mi

Average Pace

7:35 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:39

98% of race

Time at Steady Pace

2:59

2% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:35 /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 mi10:51:5823:387:3623:38
7:36
#10588
10K
6.21 mi11:15:0446:447:3123:06
7:26
#10221
15K
9.32 mi11:38:241:10:047:3123:20
7:31
#10210
20K
12.43 mi12:01:571:33:377:3223:33
7:35
#10115
Half
13.11 mi12:07:021:38:427:325:05
7:27
#10082
25K
15.53 mi12:25:191:56:597:3218:17
7:32
#9894
30K
18.64 mi12:48:552:20:357:3223:36
7:36
#9500
20M
20.00 mi12:59:122:30:527:3310:17
7:34
#9294
21M
21.00 mi13:07:112:38:517:347:59
7:59
#9134
35K
21.75 mi13:12:412:44:217:335:30
7:21
#9063
23M
23.00 mi13:22:232:54:037:349:42
7:45
#8976
24M
24.00 mi13:29:523:01:327:347:29
7:29
#8878
40K
24.85 mi13:36:303:08:107:346:38
7:45
#8870
25.2M
25.20 mi13:39:293:11:097:352:59
8:39
#8863
Finish
26.22 mi13:46:583:18:387:357:29
7:21
#8777
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi105888446844610242(Top 38%)8267(Top 54%)8267(Top 403%)
10K6.21 mi3.10 mi10221+3678271+1758271+1759917(Top 37%)8122(Top 54%)8122(Top 396%)
15K9.32 mi3.11 mi10210+118279-88279-810242(Top 38%)8267(Top 54%)8267(Top 403%)
20K12.43 mi3.11 mi10115+958218+618218+619931(Top 37%)8030(Top 53%)8030(Top 391%)
Half13.11 mi0.68 mi10082+338194+248194+249751(Top 37%)7944(Top 52%)7944(Top 387%)
25K15.53 mi2.42 mi9894+1888071+1238071+1239068(Top 34%)7477(Top 49%)7477(Top 364%)
30K18.64 mi3.11 mi9500+3947799+2727799+2727918(Top 30%)6640(Top 44%)6640(Top 324%)
20M20.00 mi1.36 mi9294+2067651+1487651+1487286(Top 27%)6151(Top 41%)6151(Top 300%)
21M21.00 mi1.00 mi9134+1607531+1207531+1207249(Top 27%)6027(Top 40%)6027(Top 294%)
35K21.75 mi0.75 mi9063+717484+477484+477479(Top 28%)6183(Top 41%)6183(Top 301%)
23M23.00 mi1.25 mi8976+877405+797405+798031(Top 30%)6430(Top 42%)6430(Top 313%)
24M24.00 mi1.00 mi8878+987316+897316+897585(Top 28%)6064(Top 40%)6064(Top 296%)
40K24.85 mi0.85 mi8870+87291+257291+258365(Top 31%)6471(Top 43%)6471(Top 315%)
25.2M25.20 mi0.35 mi8863+77279+127279+1210373(Top 39%)7471(Top 49%)7471(Top 364%)
Finish26.22 mi1.02 mi8777+867211+687211+687398(Top 28%)5808(Top 38%)5808(Top 283%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10242

Males

8267

M50-54

8267

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9917

Males

8122

M50-54

8122

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10242

Males

8267

M50-54

8267

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9931

Males

8030

M50-54

8030

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9751

Males

7944

M50-54

7944

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9068

Males

7477

M50-54

7477

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

7918

Males

6640

M50-54

6640

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7286

Males

6151

M50-54

6151

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7249

Males

6027

M50-54

6027

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7479

Males

6183

M50-54

6183

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8031

Males

6430

M50-54

6430

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7585

Males

6064

M50-54

6064

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8365

Males

6471

M50-54

6471

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10373

Males

7471

M50-54

7471

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7398

Males

5808

M50-54

5808

Passing Analysis

Category:
Athletes Passed
2491*
Passed By
680
Net Change
+1811
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10588
5K → 10K518*151+367#10588#10221
10K → 15K179168+11#10221#10210
15K → 20K205*110+95#10210#10115
20K → Half56*23+33#10115#10082
Half → 25K220*32+188#10082#9894
25K → 30K413*19+394#9894#9500
30K → 20M21610+206#9500#9294
20M → 21M17111+160#9294#9134
21M → 35K8211+71#9134#9063
35K → 23M11730+87#9063#8976
23M → 24M12022+98#8976#8878
24M → 40K5850+8#8878#8870
40K → 25.2M3124+7#8870#8863
25.2M → Finish10519+86#8863#8777
TOTALS2491*680+1811

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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