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BOSTON MARATHON 2023

Matthew Lesperance

Bib: 4406•M

WI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 10%
Division (M18-39)
#0 / 5285
Top 22%
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
6:47/mi
21:03
↑ 97↓ 3451.5%
10K· 6.21 mi
6:35/mi
41:29
↑ 79↓ 1380.4%
15K· 9.32 mi
6:29/mi
1:01:37
↑ 67↓ 78
20K· 12.43 mi
6:30/mi
1:21:49
↑ 106↓ 860.1%
Half· 13.11 mi
6:24/mi
1:26:11
↑ 19↓ 370.5%
25K· 15.53 mi
6:17/mi
1:41:26
↑ 66↓ 880.2%
30K· 18.64 mi
5:55/mi
1:59:48
↑ 181↓ 1480.2%
20M
6:01/mi
2:07:58
↑ 64↓ 500.2%
21M
6:30/mi
2:14:28
↑ 106↓ 241.6%
35K· 21.75 mi
6:10/mi
2:19:05
↑ 17↓ 861.7%
23M
6:26/mi
2:27:08
↑ 23↓ 630.6%
24M
6:22/mi
2:33:30
↓ 821.3%
40K· 24.85 mi
6:41/mi
2:39:13
↓ 200.3%
25.2M
7:12/mi
2:41:42
↑ 13↓ 160.2%
Finish· 26.22 mi
6:27/mi
2:48:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:26:11
Pace6:34 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:22:05
Pace6:16 /mi
📊Negative Split: 4.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5421:036:4721:03
6:47
-
10K
6.21 mi10:43:2041:296:4120:26
6:35
-0:12
15K
9.32 mi11:03:281:01:376:3720:08
6:29
-0:06
20K
12.43 mi11:23:401:21:496:3520:12
6:30
+0:01
Half
13.11 mi11:28:021:26:116:344:22
6:24
-0:06
25K
15.53 mi11:43:171:41:266:3215:15
6:17
-0:07
30K
18.64 mi12:01:391:59:486:2618:22
5:55
-0:22
20M
20.00 mi12:09:492:07:586:248:10
6:01
+0:06
21M
21.00 mi12:16:192:14:286:246:30
6:30
+0:29
35K
21.75 mi12:20:562:19:056:244:37
6:10
-0:20
23M
23.00 mi12:28:592:27:086:248:03
6:26
+0:16
24M
24.00 mi12:35:212:33:306:246:22
6:22
-0:04
40K
24.85 mi12:41:042:39:136:245:43
6:41
+0:19
25.2M
25.20 mi12:43:332:41:426:252:29
7:12
+0:31
Finish
26.22 mi12:50:072:48:166:256:34
6:27
-0:45

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

5:55 /mi

Average Pace

6:25 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:24

28% of race

Time at Steady Pace

1:32:37

55% of race

Time at Slower Pace

29:15

17% of race

Average Pace: 6:25 /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 mi10:22:5421:036:4721:03
6:47
#4389
10K
6.21 mi10:43:2041:296:4120:26
6:35
#3740
15K
9.32 mi11:03:281:01:376:3720:08
6:29
#3266
20K
12.43 mi11:23:401:21:496:3520:12
6:30
#2955
Half
13.11 mi11:28:021:26:116:344:22
6:24
#2902
25K
15.53 mi11:43:171:41:266:3215:15
6:17
#2565
30K
18.64 mi12:01:391:59:486:2618:22
5:55
#1856
20M
20.00 mi12:09:492:07:586:248:10
6:01
#1664
21M
21.00 mi12:16:192:14:286:246:30
6:30
#1584
35K
21.75 mi12:20:562:19:056:244:37
6:10
#1558
23M
23.00 mi12:28:592:27:086:248:03
6:26
#1508
24M
24.00 mi12:35:212:33:306:246:22
6:22
#1487
40K
24.85 mi12:41:042:39:136:245:43
6:41
#1505
25.2M
25.20 mi12:43:332:41:426:252:29
7:12
#1514
Finish
26.22 mi12:50:072:48:166:256:34
6:27
#1511
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4389409740972510(Top 9%)2406(Top 16%)2406(Top 46%)
10K6.21 mi3.10 mi3740+6493525+5723525+5723310(Top 12%)3149(Top 21%)3149(Top 60%)
15K9.32 mi3.11 mi3266+4743104+4213104+4212510(Top 9%)2406(Top 16%)2406(Top 46%)
20K12.43 mi3.11 mi2955+3112821+2832821+2832280(Top 9%)2185(Top 14%)2185(Top 41%)
Half13.11 mi0.68 mi2902+532770+512770+512175(Top 8%)2085(Top 14%)2085(Top 39%)
25K15.53 mi2.42 mi2565+3372455+3152455+3151302(Top 5%)1245(Top 8%)1245(Top 24%)
30K18.64 mi3.11 mi1856+7091776+6791776+679276(Top 1%)252(Top 2%)252(Top 5%)
20M20.00 mi1.36 mi1664+1921591+1851591+185357(Top 1%)330(Top 2%)330(Top 6%)
21M21.00 mi1.00 mi1584+801514+771514+77660(Top 2%)622(Top 4%)622(Top 12%)
35K21.75 mi0.75 mi1558+261489+251489+251169(Top 4%)1113(Top 7%)1113(Top 21%)
23M23.00 mi1.25 mi1508+501440+491440+491203(Top 5%)1137(Top 7%)1137(Top 22%)
24M24.00 mi1.00 mi1487+211418+221418+221564(Top 6%)1480(Top 10%)1480(Top 28%)
40K24.85 mi0.85 mi1505-181436-181436-182252(Top 8%)2090(Top 14%)2090(Top 40%)
25.2M25.20 mi0.35 mi1514-91445-91445-92456(Top 9%)2269(Top 15%)2269(Top 43%)
Finish26.22 mi1.02 mi1511+31444+11444+12193(Top 8%)2033(Top 13%)2033(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21story building
+97ft-345ft

Overall

2510

Males

2406

M18-39

2406

5K→10K

3.1 - 6.2 mi

Top 12%
×5story building
+79ft-138ft

Overall

3310

Males

3149

M18-39

3149

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+67ft-78ft

Overall

2510

Males

2406

M18-39

2406

15K→20K

9.3 - 12.4 mi

Top 9%
×5story building
+106ft-86ft

Overall

2280

Males

2185

M18-39

2185

20K→Half

12.4 - 13.1 mi

Top 8%
×2story building
+19ft-37ft

Overall

2175

Males

2085

M18-39

2085

Half→25K

13.1 - 15.5 mi

Top 5%
×4story building
+66ft-88ft

Overall

1302

Males

1245

M18-39

1245

25K→30K

15.5 - 18.6 mi

Top 1%
×9story building
+181ft-148ft

Overall

276

Males

252

M18-39

252

30K→20M

18.6 - 20.0 mi

Top 1%
×5story building
+64ft-50ft

Overall

357

Males

330

M18-39

330

20M→21M

20.0 - 21.0 mi

Top 2%
×8story building
+106ft-24ft

Overall

660

Males

622

M18-39

622

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

1169

Males

1113

M18-39

1113

35K→23M

21.8 - 23.0 mi

Top 5%
×5story building
+23ft-63ft

Overall

1203

Males

1137

M18-39

1137

23M→24M

23.0 - 24.0 mi

Top 6%
×6story building
+12ft-82ft

Overall

1564

Males

1480

M18-39

1480

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2252

Males

2090

M18-39

2090

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2456

Males

2269

M18-39

2269

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2story building
+22ft-21ft

Overall

2193

Males

2033

M18-39

2033

Passing Analysis

Category:
Athletes Passed
3024
Passed By
146
Net Change
+2878
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4389
5K → 10K68940+649#4389#3740
10K → 15K4795+474#3740#3266
15K → 20K3143+311#3266#2955
20K → Half552+53#2955#2902
Half → 25K3370+337#2902#2565
25K → 30K7090+709#2565#1856
30K → 20M1920+192#1856#1664
20M → 21M811+80#1664#1584
21M → 35K282+26#1584#1558
35K → 23M544+50#1558#1508
23M → 24M3716+21#1508#1487
24M → 40K1634-18#1487#1505
40K → 25.2M615-9#1505#1514
25.2M → Finish2724+3#1514#1511
TOTALS3024146+2878
📊

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