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BOSTON MARATHON 2023

Arthur Lagaron

Bib: 5040•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 16%
Division (M18-39)
#0 / 5285
Top 35%
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
6:19/mi
19:37
↑ 97↓ 3451.5%
10K· 6.21 mi
6:30/mi
39:48
↑ 79↓ 1380.4%
15K· 9.32 mi
6:34/mi
1:00:11
↑ 67↓ 78
20K· 12.43 mi
6:37/mi
1:20:43
↑ 106↓ 860.1%
Half· 13.11 mi
6:36/mi
1:25:13
↑ 19↓ 370.5%
25K· 15.53 mi
6:37/mi
1:41:16
↑ 66↓ 880.2%
30K· 18.64 mi
6:46/mi
2:02:18
↑ 181↓ 1480.2%
20M
6:51/mi
2:11:37
↑ 64↓ 500.2%
21M
7:15/mi
2:18:52
↑ 106↓ 241.6%
35K· 21.75 mi
6:37/mi
2:23:49
↑ 17↓ 861.7%
23M
6:51/mi
2:32:23
↑ 23↓ 630.6%
24M
6:44/mi
2:39:07
↓ 821.3%
40K· 24.85 mi
6:53/mi
2:45:00
↓ 200.3%
25.2M
7:29/mi
2:47:35
↑ 13↓ 160.2%
Finish· 26.22 mi
6:34/mi
2:54:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:13
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:29:04
Pace6:48 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0819:376:1919:37
6:19
-
10K
6.21 mi10:43:1939:486:2420:11
6:30
+0:11
15K
9.32 mi11:03:421:00:116:2720:23
6:34
+0:04
20K
12.43 mi11:24:141:20:436:3020:32
6:37
+0:03
Half
13.11 mi11:28:441:25:136:304:30
6:36
-0:01
25K
15.53 mi11:44:471:41:166:3116:03
6:37
+0:01
30K
18.64 mi12:05:492:02:186:3421:02
6:46
+0:09
20M
20.00 mi12:15:082:11:376:359:19
6:51
+0:05
21M
21.00 mi12:22:232:18:526:377:15
7:15
+0:24
35K
21.75 mi12:27:202:23:496:374:57
6:37
-0:38
23M
23.00 mi12:35:542:32:236:388:34
6:51
+0:14
24M
24.00 mi12:42:382:39:076:386:44
6:44
-0:07
40K
24.85 mi12:48:312:45:006:385:53
6:53
+0:09
25.2M
25.20 mi12:51:062:47:356:392:35
7:29
+0:36
Finish
26.22 mi12:57:482:54:176:396:42
6:34
-0:55

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

6:19 /mi

Average Pace

6:39 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:27

94% of race

Time at Steady Pace

7:15

4% of race

Time at Slower Pace

2:35

1% of race

Average Pace: 6:39 /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 mi10:23:0819:376:1919:37
6:19
#1486
10K
6.21 mi10:43:1939:486:2420:11
6:30
#2006
15K
9.32 mi11:03:421:00:116:2720:23
6:34
#2295
20K
12.43 mi11:24:141:20:436:3020:32
6:37
#2416
Half
13.11 mi11:28:441:25:136:304:30
6:36
#2462
25K
15.53 mi11:44:471:41:166:3116:03
6:37
#2509
30K
18.64 mi12:05:492:02:186:3421:02
6:46
#2519
20M
20.00 mi12:15:082:11:376:359:19
6:51
#2545
21M
21.00 mi12:22:232:18:526:377:15
7:15
#2548
35K
21.75 mi12:27:202:23:496:374:57
6:37
#2532
23M
23.00 mi12:35:542:32:236:388:34
6:51
#2498
24M
24.00 mi12:42:382:39:076:386:44
6:44
#2507
40K
24.85 mi12:48:312:45:006:385:53
6:53
#2522
25.2M
25.20 mi12:51:062:47:356:392:35
7:29
#2543
Finish
26.22 mi12:57:482:54:176:396:42
6:34
#2536
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1486141414142990(Top 11%)2854(Top 19%)2854(Top 54%)
10K6.21 mi3.10 mi2006-5201923-5091923-5092758(Top 10%)2636(Top 17%)2636(Top 50%)
15K9.32 mi3.11 mi2295-2892198-2752198-2752990(Top 11%)2854(Top 19%)2854(Top 54%)
20K12.43 mi3.11 mi2416-1212314-1162314-1162910(Top 11%)2776(Top 18%)2776(Top 53%)
Half13.11 mi0.68 mi2462-462359-452359-453339(Top 13%)3170(Top 21%)3170(Top 60%)
25K15.53 mi2.42 mi2509-472402-432402-432809(Top 11%)2685(Top 18%)2685(Top 51%)
30K18.64 mi3.11 mi2519-102410-82410-82790(Top 10%)2646(Top 17%)2646(Top 50%)
20M20.00 mi1.36 mi2545-262434-242434-243129(Top 12%)2935(Top 19%)2935(Top 56%)
21M21.00 mi1.00 mi2548-32439-52439-53330(Top 13%)3100(Top 20%)3100(Top 59%)
35K21.75 mi0.75 mi2532+162423+162423+163046(Top 11%)2848(Top 19%)2848(Top 54%)
23M23.00 mi1.25 mi2498+342389+342389+342877(Top 11%)2687(Top 18%)2687(Top 51%)
24M24.00 mi1.00 mi2507-92397-82397-83263(Top 12%)3018(Top 20%)3018(Top 57%)
40K24.85 mi0.85 mi2522-152408-112408-113195(Top 12%)2925(Top 19%)2925(Top 55%)
25.2M25.20 mi0.35 mi2543-212427-192427-193774(Top 14%)3364(Top 22%)3364(Top 64%)
Finish26.22 mi1.02 mi2536+72419+82419+82842(Top 11%)2579(Top 17%)2579(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

2990

Males

2854

M18-39

2854

5K→10K

3.1 - 6.2 mi

Top 10%
×5story building
+79ft-138ft

Overall

2758

Males

2636

M18-39

2636

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

2990

Males

2854

M18-39

2854

15K→20K

9.3 - 12.4 mi

Top 11%
×5story building
+106ft-86ft

Overall

2910

Males

2776

M18-39

2776

20K→Half

12.4 - 13.1 mi

Top 13%
×2story building
+19ft-37ft

Overall

3339

Males

3170

M18-39

3170

Half→25K

13.1 - 15.5 mi

Top 11%
×4story building
+66ft-88ft

Overall

2809

Males

2685

M18-39

2685

25K→30K

15.5 - 18.6 mi

Top 10%
×9story building
+181ft-148ft

Overall

2790

Males

2646

M18-39

2646

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3129

Males

2935

M18-39

2935

20M→21M

20.0 - 21.0 mi

Top 13%
×8story building
+106ft-24ft

Overall

3330

Males

3100

M18-39

3100

21M→35K

21.0 - 21.8 mi

Top 11%
×7story building
+17ft-86ft

Overall

3046

Males

2848

M18-39

2848

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

2877

Males

2687

M18-39

2687

23M→24M

23.0 - 24.0 mi

Top 12%
×6story building
+12ft-82ft

Overall

3263

Males

3018

M18-39

3018

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3195

Males

2925

M18-39

2925

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3774

Males

3364

M18-39

3364

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

2842

Males

2579

M18-39

2579

Passing Analysis

Category:
Athletes Passed
393
Passed By
1443
Net Change
-1050
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1486
5K → 10K1521-520#1486#2006
10K → 15K12301-289#2006#2295
15K → 20K34155-121#2295#2416
20K → Half349-46#2416#2462
Half → 25K3582-47#2462#2509
25K → 30K6272-10#2509#2519
30K → 20M2753-26#2519#2545
20M → 21M3740-3#2545#2548
21M → 35K259+16#2548#2532
35K → 23M5723+34#2532#2498
23M → 24M2130-9#2498#2507
24M → 40K2843-15#2507#2522
40K → 25.2M1233-21#2522#2543
25.2M → Finish3932+7#2543#2536
TOTALS3931443-1050
📊

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