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BOSTON MARATHON 2023

Matt King

Bib: 4016•M

ON

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 34%
Gender (Male)
#0 / 15176
Top 49%
Division (M18-39)
#0 / 5285
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
6:44/mi
20:55
↑ 97↓ 3451.5%
10K· 6.21 mi
6:33/mi
41:17
↑ 79↓ 1380.4%
15K· 9.32 mi
6:41/mi
1:02:02
↑ 67↓ 78
20K· 12.43 mi
6:54/mi
1:23:27
↑ 106↓ 860.1%
Half· 13.11 mi
6:49/mi
1:28:06
↑ 19↓ 370.5%
25K· 15.53 mi
7:23/mi
1:45:59
↑ 66↓ 880.2%
30K· 18.64 mi
8:09/mi
2:11:19
↑ 181↓ 1480.2%
20M
8:44/mi
2:23:11
↑ 64↓ 500.2%
21M
10:32/mi
2:33:43
↑ 106↓ 241.6%
35K· 21.75 mi
7:59/mi
2:39:41
↑ 17↓ 861.7%
23M
8:42/mi
2:50:34
↑ 23↓ 630.6%
24M
8:34/mi
2:59:08
↓ 821.3%
40K· 24.85 mi
10:18/mi
3:07:56
↓ 200.3%
25.2M
9:49/mi
3:11:19
↑ 13↓ 160.2%
Finish· 26.22 mi
8:27/mi
3:19:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:06
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:51:50
Pace8:32 /mi
📊Positive Split: 26.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5420:556:4420:55
6:44
-
10K
6.21 mi10:43:1641:176:3920:22
6:33
-0:11
15K
9.32 mi11:04:011:02:026:3920:45
6:41
+0:08
20K
12.43 mi11:25:261:23:276:4321:25
6:54
+0:13
Half
13.11 mi11:30:051:28:066:434:39
6:49
-0:05
25K
15.53 mi11:47:581:45:596:4917:53
7:23
+0:34
30K
18.64 mi12:13:182:11:197:0325:20
8:09
+0:46
20M
20.00 mi12:25:102:23:117:1011:52
8:44
+0:35
21M
21.00 mi12:35:422:33:437:1910:32
10:32
+1:48
35K
21.75 mi12:41:402:39:417:215:58
7:59
-2:33
23M
23.00 mi12:52:332:50:347:2510:53
8:42
+0:43
24M
24.00 mi13:01:072:59:087:288:34
8:34
-0:08
40K
24.85 mi13:09:553:07:567:348:48
10:18
+1:44
25.2M
25.20 mi13:13:183:11:197:363:23
9:49
-0:29
Finish
26.22 mi13:21:553:19:567:388:37
8:27
-1:22

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

6:33 /mi

Average Pace

7:38 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:59

53% of race

Time at Steady Pace

1:11:14

36% of race

Time at Slower Pace

22:43

11% of race

Average Pace: 7:38 /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 mi10:22:5420:556:4420:55
6:44
#3974
10K
6.21 mi10:43:1641:176:3920:22
6:33
#3491
15K
9.32 mi11:04:011:02:026:3920:45
6:41
#3605
20K
12.43 mi11:25:261:23:276:4321:25
6:54
#4017
Half
13.11 mi11:30:051:28:066:434:39
6:49
#4097
25K
15.53 mi11:47:581:45:596:4917:53
7:23
#4922
30K
18.64 mi12:13:182:11:197:0325:20
8:09
#6092
20M
20.00 mi12:25:102:23:117:1011:52
8:44
#6572
21M
21.00 mi12:35:422:33:437:1910:32
10:32
#7327
35K
21.75 mi12:41:402:39:417:215:58
7:59
#7466
23M
23.00 mi12:52:332:50:347:2510:53
8:42
#7819
24M
24.00 mi13:01:072:59:087:288:34
8:34
#8118
40K
24.85 mi13:09:553:07:567:348:48
10:18
#8796
25.2M
25.20 mi13:13:183:11:197:363:23
9:49
#8915
Finish
26.22 mi13:21:553:19:567:388:37
8:27
#9178
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3974372837283948(Top 15%)3709(Top 24%)3709(Top 70%)
10K6.21 mi3.10 mi3491+4833296+4323296+4323185(Top 12%)3034(Top 20%)3034(Top 57%)
15K9.32 mi3.11 mi3605-1143407-1113407-1113948(Top 15%)3709(Top 24%)3709(Top 70%)
20K12.43 mi3.11 mi4017-4123775-3683775-3685316(Top 20%)4906(Top 32%)4906(Top 93%)
Half13.11 mi0.68 mi4097-803842-673842-675491(Top 21%)5051(Top 33%)5051(Top 96%)
25K15.53 mi2.42 mi4922-8254575-7334575-7337840(Top 29%)6693(Top 44%)6693(Top 127%)
30K18.64 mi3.11 mi6092-11705533-9585533-95812047(Top 45%)8818(Top 58%)8818(Top 167%)
20M20.00 mi1.36 mi6572-4805881-3485881-34815096(Top 57%)10016(Top 66%)10016(Top 190%)
21M21.00 mi1.00 mi7327-7556407-5266407-52619718(Top 74%)11915(Top 79%)11915(Top 225%)
35K21.75 mi0.75 mi7466-1396479-726479-7212038(Top 45%)8548(Top 56%)8548(Top 162%)
23M23.00 mi1.25 mi7819-3536688-2096688-20914377(Top 54%)9510(Top 63%)9510(Top 180%)
24M24.00 mi1.00 mi8118-2996860-1726860-17214925(Top 56%)9705(Top 64%)9705(Top 184%)
40K24.85 mi0.85 mi8796-6787249-3897249-38920747(Top 78%)12252(Top 81%)12252(Top 232%)
25.2M25.20 mi0.35 mi8915-1197313-647313-6416701(Top 63%)10391(Top 68%)10391(Top 197%)
Finish26.22 mi1.02 mi9178-2637438-1257438-12515188(Top 57%)9796(Top 65%)9796(Top 185%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21story building
+97ft-345ft

Overall

3948

Males

3709

M18-39

3709

5K→10K

3.1 - 6.2 mi

Top 12%
×5story building
+79ft-138ft

Overall

3185

Males

3034

M18-39

3034

10K→15K

6.2 - 9.3 mi

Top 15%
×3story building
+67ft-78ft

Overall

3948

Males

3709

M18-39

3709

15K→20K

9.3 - 12.4 mi

Top 20%
×5story building
+106ft-86ft

Overall

5316

Males

4906

M18-39

4906

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

5491

Males

5051

M18-39

5051

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7840

Males

6693

M18-39

6693

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12047

Males

8818

M18-39

8818

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

15096

Males

10016

M18-39

10016

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

19718

Males

11915

M18-39

11915

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12038

Males

8548

M18-39

8548

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

14377

Males

9510

M18-39

9510

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

14925

Males

9705

M18-39

9705

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20747

Males

12252

M18-39

12252

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16701

Males

10391

M18-39

10391

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15188

Males

9796

M18-39

9796

Passing Analysis

Category:
Athletes Passed
737
Passed By
5941
Net Change
-5204
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3974
5K → 10K54057+483#3974#3491
10K → 15K66180-114#3491#3605
15K → 20K25437-412#3605#4017
20K → Half383-80#4017#4097
Half → 25K10835-825#4097#4922
25K → 30K61176-1170#4922#6092
30K → 20M5485-480#6092#6572
20M → 21M2757-755#6572#7327
21M → 35K18157-139#7327#7466
35K → 23M19372-353#7466#7819
23M → 24M20319-299#7819#8118
24M → 40K4682-678#8118#8796
40K → 25.2M7126-119#8796#8915
25.2M → Finish12275-263#8915#9178
TOTALS7375941-5204
📊

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