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BOSTON MARATHON 2023

Julien Lamare

MI

Bib: 5045 M

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

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:03/mi
25:01
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:08/mi
50:18
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:15/mi
1:15:55
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:18/mi
1:41:43
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:10/mi
1:47:17
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:11/mi
2:07:07
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:15/mi
2:32:46
↑ 181↓ 1480.2%
138 ft elev
20M
8:11/mi
2:43:53
↑ 64↓ 500.2%
148 ft elev
21M
8:37/mi
2:52:30
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:17/mi
2:58:42
↑ 17↓ 861.7%
156 ft elev
23M
8:18/mi
3:09:05
↑ 23↓ 630.6%
116 ft elev
24M
8:06/mi
3:17:11
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:14/mi
3:24:13
↓ 200.3%
20 ft elev
25.2M
8:51/mi
3:27:16
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:34/mi
3:34:59
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:47:178:11 /mi⚖️ balanced
2nd Half
1:47:428:13 /mi⚖️ balanced
Even split — consistent pacing between halves
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:0925:018:0325:01
8:03
-
10K
6.21 mi10:53:2650:188:0625:17
8:08
+0:05
15K
9.32 mi11:19:031:15:558:0925:37
8:15
+0:07
20K
12.43 mi11:44:511:41:438:1125:48
8:18
+0:03
Half
13.11 mi11:50:251:47:178:115:34
8:10
-0:08
25K
15.53 mi12:10:152:07:078:1119:50
8:11
+0:01
30K
18.64 mi12:35:542:32:468:1225:39
8:15
+0:04
20M
20.00 mi12:47:012:43:538:1211:07
8:11
-0:04
21M
21.00 mi12:55:382:52:308:138:37
8:37
+0:26
35K
21.75 mi13:01:502:58:428:136:12
8:17
-0:20
23M
23.00 mi13:12:133:09:058:1310:23
8:18
+0:01
24M
24.00 mi13:20:193:17:118:138:06
8:06
-0:12
40K
24.85 mi13:27:213:24:138:137:02
8:14
+0:08
25.2M
25.20 mi13:30:243:27:168:133:03
8:51
+0:37
Finish
26.22 mi13:38:073:34:598:127:43
7:34
-1:17

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

7:34 /mi

Average Pace

8:12 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:19

95% of race

Time at Steady Pace

11:40

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:12 /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 mi10:28:0925:018:0325:01
8:03
#14368
10K
6.21 mi10:53:2650:188:0625:17
8:08
#15073
15K
9.32 mi11:19:031:15:558:0925:37
8:15
#15450
20K
12.43 mi11:44:511:41:438:1125:48
8:18
#15470
Half
13.11 mi11:50:251:47:178:115:34
8:10
#15476
25K
15.53 mi12:10:152:07:078:1119:50
8:11
#15228
30K
18.64 mi12:35:542:32:468:1225:39
8:15
#14769
20M
20.00 mi12:47:012:43:538:1211:07
8:11
#14508
21M
21.00 mi12:55:382:52:308:138:37
8:37
#14305
35K
21.75 mi13:01:502:58:428:136:12
8:17
#14282
23M
23.00 mi13:12:133:09:058:1310:23
8:18
#14097
24M
24.00 mi13:20:193:17:118:138:06
8:06
#13985
40K
24.85 mi13:27:213:24:138:137:02
8:14
#13871
25.2M
25.20 mi13:30:243:27:168:133:03
8:51
#13837
Finish
26.22 mi13:38:073:34:598:127:43
7:34
#13625
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi143681010010100161641074910749
10K6.21 mi3.10 mi15073-70510360-26010360-260157831062810628
15K9.32 mi3.11 mi15450-37710484-12410484-124161641074910749
20K12.43 mi3.11 mi15470-2010474+1010474+10156201049210492
Half13.11 mi0.68 mi15476-610473+110473+1154371045410454
25K15.53 mi2.42 mi15228+24810351+12210351+1221407997869786
30K18.64 mi3.11 mi14769+45910154+19710154+1971272091129112
20M20.00 mi1.36 mi14508+26110015+13910015+1391155285158515
21M21.00 mi1.00 mi14305+2039902+1139902+1131115182008200
35K21.75 mi0.75 mi14282+239886+169886+161399794169416
23M23.00 mi1.25 mi14097+1859792+949792+941183283978397
24M24.00 mi1.00 mi13985+1129723+699723+691193283738373
40K24.85 mi0.85 mi13871+1149661+629661+621152580918091
25.2M25.20 mi0.35 mi13837+349641+209641+201155680708070
Finish26.22 mi1.02 mi13625+2129545+969545+96909368106810

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

16164

Males

10749

M18-39

10749

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15783

Males

10628

M18-39

10628

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

16164

Males

10749

M18-39

10749

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15620

Males

10492

M18-39

10492

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15437

Males

10454

M18-39

10454

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14079

Males

9786

M18-39

9786

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12720

Males

9112

M18-39

9112

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

11552

Males

8515

M18-39

8515

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11151

Males

8200

M18-39

8200

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

13997

Males

9416

M18-39

9416

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11832

Males

8397

M18-39

8397

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

11932

Males

8373

M18-39

8373

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11525

Males

8091

M18-39

8091

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11556

Males

8070

M18-39

8070

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9093

Males

6810

M18-39

6810

Passing Analysis

Category:
Athletes Passed
2369
Passed By
1626
Net Change
+743
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14368
5K → 10K94799-705#14368#15073
10K → 15K66443-377#15073#15450
15K → 20K165185-20#15450#15470
20K → Half2834-6#15470#15476
Half → 25K27931+248#15476#15228
25K → 30K48021+459#15228#14769
30K → 20M2654+261#14769#14508
20M → 21M2107+203#14508#14305
21M → 35K6037+23#14305#14282
35K → 23M20015+185#14282#14097
23M → 24M12614+112#14097#13985
24M → 40K13622+114#13985#13871
40K → 25.2M406+34#13871#13837
25.2M → Finish2208+212#13837#13625
TOTALS23691626+743

Passing Charts

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