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BOSTON MARATHON 2023

Matthew Caesar-Gordon

Bib: 5166•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 30%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:36
Rank: #5939
Start → 5K
21:36 | 6:57/mi
10K· 6.21 mi
42:50
Rank: #5762 (+177)
5K → 10K
21:14 | 6:50/mi
15K· 9.32 mi
1:03:55
Rank: #5536 (+226)
10K → 15K
21:05 | 6:47/mi
20K· 12.43 mi
1:25:08
Rank: #5324 (+212)
15K → 20K
21:13 | 6:50/mi
Half· 13.11 mi
1:29:45
Rank: #5301 (+23)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:46:28
Rank: #5221 (+80)
Half → 25K
16:43 | 6:54/mi
30K· 18.64 mi
2:08:37
Rank: #5174 (+47)
25K → 30K
22:09 | 7:08/mi
20M
2:18:30
Rank: #5187 (-13)
30K → 20M
9:53 | 7:16/mi
21M
2:26:23
Rank: #5220 (-33)
20M → 21M
7:53 | 7:53/mi
35K· 21.75 mi
2:31:38
Rank: #5206 (+14)
21M → 35K
5:15 | 7:01/mi
23M
2:40:58
Rank: #5222 (-16)
35K → 23M
9:20 | 7:27/mi
24M
2:48:04
Rank: #5158 (+64)
23M → 24M
7:06 | 7:06/mi
40K· 24.85 mi
2:54:00
Rank: #5060 (+98)
24M → 40K
5:56 | 6:56/mi
25.2M
2:56:55
Rank: #5091 (-31)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:03:41
Rank: #4987 (+104)
25.2M → Finish
6:46 | 6:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:45
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time1:33:56
Pace7:10 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0121:366:5721:36
6:57
-
10K
6.21 mi10:45:1542:506:5421:14
6:50
-0:07
15K
9.32 mi11:06:201:03:556:5121:05
6:47
-0:03
20K
12.43 mi11:27:331:25:086:5121:13
6:50
+0:03
Half
13.11 mi11:32:101:29:456:514:37
6:46
-0:04
25K
15.53 mi11:48:531:46:286:5116:43
6:54
+0:08
30K
18.64 mi12:11:022:08:376:5422:09
7:08
+0:14
20M
20.00 mi12:20:552:18:306:559:53
7:16
+0:08
21M
21.00 mi12:28:482:26:236:587:53
7:53
+0:37
35K
21.75 mi12:34:032:31:386:585:15
7:01
-0:52
23M
23.00 mi12:43:232:40:587:009:20
7:27
+0:26
24M
24.00 mi12:50:292:48:047:007:06
7:06
-0:21
40K
24.85 mi12:56:252:54:007:005:56
6:56
-0:10
25.2M
25.20 mi12:59:202:56:557:012:55
8:27
+1:31
Finish
26.22 mi13:06:063:03:417:016:46
6:38
-1:49

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

6:38 /mi

Average Pace

7:01 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

6:46

4% of race

Time at Steady Pace

2:26:54

80% of race

Time at Slower Pace

30:01

16% of race

Average Pace: 7:00 /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 mi10:24:0121:366:5721:36
6:57
#5939
10K
6.21 mi10:45:1542:506:5421:14
6:50
#5762
15K
9.32 mi11:06:201:03:556:5121:05
6:47
#5536
20K
12.43 mi11:27:331:25:086:5121:13
6:50
#5324
Half
13.11 mi11:32:101:29:456:514:37
6:46
#5301
25K
15.53 mi11:48:531:46:286:5116:43
6:54
#5221
30K
18.64 mi12:11:022:08:376:5422:09
7:08
#5174
20M
20.00 mi12:20:552:18:306:559:53
7:16
#5187
21M
21.00 mi12:28:482:26:236:587:53
7:53
#5220
35K
21.75 mi12:34:032:31:386:585:15
7:01
#5206
23M
23.00 mi12:43:232:40:587:009:20
7:27
#5222
24M
24.00 mi12:50:292:48:047:007:06
7:06
#5158
40K
24.85 mi12:56:252:54:007:005:56
6:56
#5060
25.2M
25.20 mi12:59:202:56:557:012:55
8:27
#5091
Finish
26.22 mi13:06:063:03:417:016:46
6:38
#4987
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5939543954394977(Top 19%)4621(Top 30%)4621(Top 87%)
10K6.21 mi3.10 mi5762+1775293+1465293+1465606(Top 21%)5148(Top 34%)5148(Top 97%)
15K9.32 mi3.11 mi5536+2265101+1925101+1924977(Top 19%)4621(Top 30%)4621(Top 87%)
20K12.43 mi3.11 mi5324+2124926+1754926+1754717(Top 18%)4389(Top 29%)4389(Top 83%)
Half13.11 mi0.68 mi5301+234907+194907+194988(Top 19%)4620(Top 30%)4620(Top 87%)
25K15.53 mi2.42 mi5221+804839+684839+684925(Top 18%)4558(Top 30%)4558(Top 86%)
30K18.64 mi3.11 mi5174+474790+494790+495079(Top 19%)4665(Top 31%)4665(Top 88%)
20M20.00 mi1.36 mi5187-134797-74797-75471(Top 21%)4902(Top 32%)4902(Top 93%)
21M21.00 mi1.00 mi5220-334816-194816-196610(Top 25%)5610(Top 37%)5610(Top 106%)
35K21.75 mi0.75 mi5206+144795+214795+215408(Top 20%)4804(Top 32%)4804(Top 91%)
23M23.00 mi1.25 mi5222-164799-44799-46149(Top 23%)5278(Top 35%)5278(Top 100%)
24M24.00 mi1.00 mi5158+644737+624737+625184(Top 19%)4557(Top 30%)4557(Top 86%)
40K24.85 mi0.85 mi5060+984655+824655+823554(Top 13%)3233(Top 21%)3233(Top 61%)
25.2M25.20 mi0.35 mi5091-314678-234678-239123(Top 34%)6783(Top 45%)6783(Top 128%)
Finish26.22 mi1.02 mi4987+1044583+954583+953215(Top 12%)2892(Top 19%)2892(Top 55%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

4977

Males

4621

M18-39

4621

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5606

Males

5148

M18-39

5148

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

4977

Males

4621

M18-39

4621

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4717

Males

4389

M18-39

4389

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

4988

Males

4620

M18-39

4620

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4925

Males

4558

M18-39

4558

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5079

Males

4665

M18-39

4665

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5471

Males

4902

M18-39

4902

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

6610

Males

5610

M18-39

5610

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5408

Males

4804

M18-39

4804

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6149

Males

5278

M18-39

5278

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5184

Males

4557

M18-39

4557

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3554

Males

3233

M18-39

3233

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9123

Males

6783

M18-39

6783

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3215

Males

2892

M18-39

2892

Passing Analysis

Category:
Athletes Passed
1623
Passed By
671
Net Change
+952
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5939
5K → 10K297120+177#5939#5762
10K → 15K26640+226#5762#5536
15K → 20K22917+212#5536#5324
20K → Half3310+23#5324#5301
Half → 25K13151+80#5301#5221
25K → 30K151104+47#5221#5174
30K → 20M6275-13#5174#5187
20M → 21M4881-33#5187#5220
21M → 35K3925+14#5220#5206
35K → 23M5874-16#5206#5222
23M → 24M8622+64#5222#5158
24M → 40K1024+98#5158#5060
40K → 25.2M1041-31#5060#5091
25.2M → Finish1117+104#5091#4987
TOTALS1623671+952
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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