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BOSTON MARATHON 2023

Karl Peterson

Bib: 1072•M

AZ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 20%
Division (M18-39)
#0 / 5285
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:21
Rank: #1204
Start → 5K
19:21 | 6:14/mi
10K· 6.21 mi
38:27
Rank: #1169 (+35)
5K → 10K
19:06 | 6:09/mi
15K· 9.32 mi
57:46
Rank: #1190 (-21)
10K → 15K
19:19 | 6:13/mi
20K· 12.43 mi
1:17:25
Rank: #1235 (-45)
15K → 20K
19:39 | 6:19/mi
Half· 13.11 mi
1:21:41
Rank: #1252 (-17)
20K → Half
4:16 | 6:15/mi
25K· 15.53 mi
1:37:00
Rank: #1272 (-20)
Half → 25K
15:19 | 6:19/mi
30K· 18.64 mi
1:57:33
Rank: #1361 (-89)
25K → 30K
20:33 | 6:37/mi
20M
2:06:45
Rank: #1430 (-69)
30K → 20M
9:12 | 6:46/mi
21M
2:14:29
Rank: #1589 (-159)
20M → 21M
7:44 | 7:44/mi
35K· 21.75 mi
2:19:40
Rank: #1651 (-62)
21M → 35K
5:11 | 6:56/mi
23M
2:29:16
Rank: #1891 (-240)
35K → 23M
9:36 | 7:40/mi
24M
2:37:11
Rank: #2162 (-271)
23M → 24M
7:55 | 7:55/mi
40K· 24.85 mi
2:44:21
Rank: #2396 (-234)
24M → 40K
7:10 | 8:23/mi
25.2M
2:47:39
Rank: #2560 (-164)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
2:56:59
Rank: #3183 (-623)
25.2M → Finish
9:20 | 9:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:41
Pace6:14 /mi
2nd Half
Distance13.11 mi
Time1:35:18
Pace7:16 /mi
📊Positive Split: 16.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5719:216:1419:21
6:14
-
10K
6.21 mi10:39:0338:276:1119:06
6:09
-0:05
15K
9.32 mi10:58:2257:466:1219:19
6:13
+0:04
20K
12.43 mi11:18:011:17:256:1419:39
6:19
+0:06
Half
13.11 mi11:22:171:21:416:144:16
6:15
-0:04
25K
15.53 mi11:37:361:37:006:1515:19
6:19
+0:04
30K
18.64 mi11:58:091:57:336:1820:33
6:37
+0:18
20M
20.00 mi12:07:212:06:456:209:12
6:46
+0:09
21M
21.00 mi12:15:052:14:296:247:44
7:44
+0:58
35K
21.75 mi12:20:162:19:406:255:11
6:56
-0:48
23M
23.00 mi12:29:522:29:166:299:36
7:40
+0:44
24M
24.00 mi12:37:472:37:116:337:55
7:55
+0:15
40K
24.85 mi12:44:572:44:216:377:10
8:23
+0:28
25.2M
25.20 mi12:48:152:47:396:393:18
9:34
+1:11
Finish
26.22 mi12:57:352:56:596:459:20
9:10
-0:24

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

6:09 /mi

Average Pace

6:45 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:25

22% of race

Time at Steady Pace

1:33:31

53% of race

Time at Slower Pace

45:03

25% of race

Average Pace: 6:45 /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 mi10:19:5719:216:1419:21
6:14
#1204
10K
6.21 mi10:39:0338:276:1119:06
6:09
#1169
15K
9.32 mi10:58:2257:466:1219:19
6:13
#1190
20K
12.43 mi11:18:011:17:256:1419:39
6:19
#1235
Half
13.11 mi11:22:171:21:416:144:16
6:15
#1252
25K
15.53 mi11:37:361:37:006:1515:19
6:19
#1272
30K
18.64 mi11:58:091:57:336:1820:33
6:37
#1361
20M
20.00 mi12:07:212:06:456:209:12
6:46
#1430
21M
21.00 mi12:15:052:14:296:247:44
7:44
#1589
35K
21.75 mi12:20:162:19:406:255:11
6:56
#1651
23M
23.00 mi12:29:522:29:166:299:36
7:40
#1891
24M
24.00 mi12:37:472:37:116:337:55
7:55
#2162
40K
24.85 mi12:44:572:44:216:377:10
8:23
#2396
25.2M
25.20 mi12:48:152:47:396:393:18
9:34
#2560
Finish
26.22 mi12:57:352:56:596:459:20
9:10
#3183
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1204114111411313(Top 5%)1251(Top 8%)1251(Top 24%)
10K6.21 mi3.10 mi1169+351106+351106+351176(Top 4%)1116(Top 7%)1116(Top 21%)
15K9.32 mi3.11 mi1190-211129-231129-231313(Top 5%)1251(Top 8%)1251(Top 24%)
20K12.43 mi3.11 mi1235-451177-481177-481507(Top 6%)1441(Top 9%)1441(Top 27%)
Half13.11 mi0.68 mi1252-171193-161193-161632(Top 6%)1567(Top 10%)1567(Top 30%)
25K15.53 mi2.42 mi1272-201216-231216-231409(Top 5%)1346(Top 9%)1346(Top 25%)
30K18.64 mi3.11 mi1361-891299-831299-832022(Top 8%)1935(Top 13%)1935(Top 37%)
20M20.00 mi1.36 mi1430-691367-681367-682655(Top 10%)2512(Top 17%)2512(Top 48%)
21M21.00 mi1.00 mi1589-1591519-1521519-1525762(Top 22%)5014(Top 33%)5014(Top 95%)
35K21.75 mi0.75 mi1651-621578-591578-594885(Top 18%)4391(Top 29%)4391(Top 83%)
23M23.00 mi1.25 mi1891-2401811-2331811-2337502(Top 28%)6111(Top 40%)6111(Top 116%)
24M24.00 mi1.00 mi2162-2712074-2632074-26310587(Top 40%)7683(Top 51%)7683(Top 145%)
40K24.85 mi0.85 mi2396-2342291-2172291-21712539(Top 47%)8547(Top 56%)8547(Top 162%)
25.2M25.20 mi0.35 mi2560-1642444-1532444-15315402(Top 58%)9823(Top 65%)9823(Top 186%)
Finish26.22 mi1.02 mi3183-6233012-5683012-56818697(Top 70%)11387(Top 75%)11387(Top 215%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1313

Males

1251

M18-39

1251

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1176

Males

1116

M18-39

1116

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1313

Males

1251

M18-39

1251

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1507

Males

1441

M18-39

1441

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1632

Males

1567

M18-39

1567

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1409

Males

1346

M18-39

1346

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2022

Males

1935

M18-39

1935

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2655

Males

2512

M18-39

2512

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5762

Males

5014

M18-39

5014

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4885

Males

4391

M18-39

4391

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7502

Males

6111

M18-39

6111

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10587

Males

7683

M18-39

7683

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12539

Males

8547

M18-39

8547

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15402

Males

9823

M18-39

9823

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

18697

Males

11387

M18-39

11387

Passing Analysis

Category:
Athletes Passed
201
Passed By
2180
Net Change
-1979
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1204
5K → 10K8247+35#1204#1169
10K → 15K2748-21#1169#1190
15K → 20K2570-45#1190#1235
20K → Half017-17#1235#1252
Half → 25K2040-20#1252#1272
25K → 30K25114-89#1272#1361
30K → 20M776-69#1361#1430
20M → 21M3162-159#1430#1589
21M → 35K365-62#1589#1651
35K → 23M4244-240#1651#1891
23M → 24M0271-271#1891#2162
24M → 40K3237-234#2162#2396
40K → 25.2M1165-164#2396#2560
25.2M → Finish1624-623#2560#3183
TOTALS2012180-1979
📊

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