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BOSTON MARATHON 2023

Eric Leblanc

Bib: 10715•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 23%
Gender (Male)
#0 / 15176
Top 36%
Masters (Masters Men)
#0 / 9891
Top 22%
Division (M45-49)
#0 / 2252
Top 27%
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
7:16/mi
22:34
↑ 97↓ 3451.5%
10K· 6.21 mi
7:00/mi
44:20
↑ 79↓ 1380.4%
15K· 9.32 mi
6:58/mi
1:06:00
↑ 67↓ 78
20K· 12.43 mi
7:11/mi
1:28:18
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:33:09
↑ 19↓ 370.5%
25K· 15.53 mi
7:10/mi
1:50:31
↑ 66↓ 880.2%
30K· 18.64 mi
7:23/mi
2:13:27
↑ 181↓ 1480.2%
20M
7:23/mi
2:23:29
↑ 64↓ 500.2%
21M
7:51/mi
2:31:20
↑ 106↓ 241.6%
35K· 21.75 mi
7:04/mi
2:36:37
↑ 17↓ 861.7%
23M
7:21/mi
2:45:49
↑ 23↓ 630.6%
24M
7:04/mi
2:52:53
↓ 821.3%
40K· 24.85 mi
7:07/mi
2:58:58
↓ 200.3%
25.2M
7:35/mi
3:01:35
↑ 13↓ 160.2%
Finish· 26.22 mi
6:47/mi
3:08:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:09
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:35:21
Pace7:16 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1222:347:1622:34
7:16
-
10K
6.21 mi11:10:5844:207:0821:46
7:00
-0:16
15K
9.32 mi11:32:381:06:007:0521:40
6:58
-0:02
20K
12.43 mi11:54:561:28:187:0622:18
7:11
+0:13
Half
13.11 mi11:59:471:33:097:064:51
7:07
-0:04
25K
15.53 mi12:17:091:50:317:0717:22
7:10
+0:03
30K
18.64 mi12:40:052:13:277:1022:56
7:23
+0:13
20M
20.00 mi12:50:072:23:297:1010:02
7:23
0:00
21M
21.00 mi12:57:582:31:207:127:51
7:51
+0:28
35K
21.75 mi13:03:152:36:377:125:17
7:04
-0:47
23M
23.00 mi13:12:272:45:497:139:12
7:21
+0:17
24M
24.00 mi13:19:312:52:537:127:04
7:04
-0:17
40K
24.85 mi13:25:362:58:587:126:05
7:07
+0:03
25.2M
25.20 mi13:28:133:01:357:122:37
7:35
+0:28
Finish
26.22 mi13:35:083:08:307:126:55
6:47
-0:48

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

6:47 /mi

Average Pace

7:12 /mi

Slowest Pace

7:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:02

94% of race

Time at Steady Pace

10:28

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:11 /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 mi10:49:1222:347:1622:34
7:16
#7868
10K
6.21 mi11:10:5844:207:0821:46
7:00
#7323
15K
9.32 mi11:32:381:06:007:0521:40
6:58
#6984
20K
12.43 mi11:54:561:28:187:0622:18
7:11
#6970
Half
13.11 mi11:59:471:33:097:064:51
7:07
#6972
25K
15.53 mi12:17:091:50:317:0717:22
7:10
#6854
30K
18.64 mi12:40:052:13:277:1022:56
7:23
#6742
20M
20.00 mi12:50:072:23:297:1010:02
7:23
#6672
21M
21.00 mi12:57:582:31:207:127:51
7:51
#6626
35K
21.75 mi13:03:152:36:377:125:17
7:04
#6565
23M
23.00 mi13:12:272:45:497:139:12
7:21
#6467
24M
24.00 mi13:19:312:52:537:127:04
7:04
#6345
40K
24.85 mi13:25:362:58:587:126:05
7:07
#6232
25.2M
25.20 mi13:28:133:01:357:122:37
7:35
#6185
Finish
26.22 mi13:35:083:08:307:126:55
6:47
#6050
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7868688468846389(Top 24%)5764(Top 38%)5764(Top 256%)
10K6.21 mi3.10 mi7323+5456499+3856499+3856839(Top 26%)6114(Top 40%)6114(Top 271%)
15K9.32 mi3.11 mi6984+3396236+2636236+2636389(Top 24%)5764(Top 38%)5764(Top 256%)
20K12.43 mi3.11 mi6970+146229+76229+76941(Top 26%)6164(Top 41%)6164(Top 274%)
Half13.11 mi0.68 mi6972-26228+16228+17152(Top 27%)6321(Top 42%)6321(Top 281%)
25K15.53 mi2.42 mi6854+1186131+976131+976441(Top 24%)5753(Top 38%)5753(Top 255%)
30K18.64 mi3.11 mi6742+1126023+1086023+1086491(Top 24%)5724(Top 38%)5724(Top 254%)
20M20.00 mi1.36 mi6672+705954+695954+696082(Top 23%)5355(Top 35%)5355(Top 238%)
21M21.00 mi1.00 mi6626+465904+505904+506415(Top 24%)5487(Top 36%)5487(Top 244%)
35K21.75 mi0.75 mi6565+615853+515853+515680(Top 21%)5011(Top 33%)5011(Top 223%)
23M23.00 mi1.25 mi6467+985772+815772+815557(Top 21%)4880(Top 32%)4880(Top 217%)
24M24.00 mi1.00 mi6345+1225668+1045668+1045020(Top 19%)4438(Top 29%)4438(Top 197%)
40K24.85 mi0.85 mi6232+1135575+935575+934457(Top 17%)3958(Top 26%)3958(Top 176%)
25.2M25.20 mi0.35 mi6185+475534+415534+414334(Top 16%)3804(Top 25%)3804(Top 169%)
Finish26.22 mi1.02 mi6050+1355419+1155419+1154014(Top 15%)3553(Top 23%)3553(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6389

Males

5764

M45-49

5764

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

6839

Males

6114

M45-49

6114

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6389

Males

5764

M45-49

5764

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

6941

Males

6164

M45-49

6164

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7152

Males

6321

M45-49

6321

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6441

Males

5753

M45-49

5753

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6491

Males

5724

M45-49

5724

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6082

Males

5355

M45-49

5355

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6415

Males

5487

M45-49

5487

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5680

Males

5011

M45-49

5011

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5557

Males

4880

M45-49

4880

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

5020

Males

4438

M45-49

4438

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4457

Males

3958

M45-49

3958

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4334

Males

3804

M45-49

3804

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

4014

Males

3553

M45-49

3553

Passing Analysis

Category:
Athletes Passed
2207
Passed By
389
Net Change
+1818
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7868
5K → 10K59146+545#7868#7323
10K → 15K36728+339#7323#6984
15K → 20K10894+14#6984#6970
20K → Half1618-2#6970#6972
Half → 25K13921+118#6972#6854
25K → 30K17462+112#6854#6742
30K → 20M9929+70#6742#6672
20M → 21M8640+46#6672#6626
21M → 35K7312+61#6626#6565
35K → 23M11719+98#6565#6467
23M → 24M1308+122#6467#6345
24M → 40K1174+113#6345#6232
40K → 25.2M514+47#6232#6185
25.2M → Finish1394+135#6185#6050
TOTALS2207389+1818
📊

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