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BOSTON MARATHON 2023

Andrew Kaylor

Bib: 1425•M

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 17%
Division (M18-39)
#0 / 5285
Top 38%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:25
Rank: #2677
Start → 5K
20:25 | 6:34/mi
10K· 6.21 mi
40:48
Rank: #2898 (-221)
5K → 10K
20:23 | 6:34/mi
15K· 9.32 mi
1:01:00
Rank: #2791 (+107)
10K → 15K
20:12 | 6:30/mi
20K· 12.43 mi
1:21:10
Rank: #2630 (+161)
15K → 20K
20:10 | 6:29/mi
Half· 13.11 mi
1:25:32
Rank: #2604 (+26)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:41:09
Rank: #2478 (+126)
Half → 25K
15:37 | 6:26/mi
30K· 18.64 mi
2:02:00
Rank: #2446 (+32)
25K → 30K
20:51 | 6:43/mi
20M
2:11:09
Rank: #2419 (+27)
30K → 20M
9:09 | 6:44/mi
21M
2:18:25
Rank: #2438 (-19)
20M → 21M
7:16 | 7:16/mi
35K· 21.75 mi
2:23:36
Rank: #2491 (-53)
21M → 35K
5:11 | 6:56/mi
23M
2:32:36
Rank: #2555 (-64)
35K → 23M
9:00 | 7:11/mi
24M
2:39:40
Rank: #2658 (-103)
23M → 24M
7:04 | 7:04/mi
40K· 24.85 mi
2:45:42
Rank: #2694 (-36)
24M → 40K
6:02 | 7:03/mi
25.2M
2:48:18
Rank: #2715 (-21)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
2:55:16
Rank: #2759 (-44)
25.2M → Finish
6:58 | 6:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:32
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:29:44
Pace6:51 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4020:256:3420:25
6:34
-
10K
6.21 mi10:43:0340:486:3420:23
6:34
0:00
15K
9.32 mi11:03:151:01:006:3320:12
6:30
-0:04
20K
12.43 mi11:23:251:21:106:3220:10
6:29
-0:01
Half
13.11 mi11:27:471:25:326:314:22
6:24
-0:05
25K
15.53 mi11:43:241:41:096:3115:37
6:26
+0:02
30K
18.64 mi12:04:152:02:006:3320:51
6:43
+0:17
20M
20.00 mi12:13:242:11:096:339:09
6:44
+0:01
21M
21.00 mi12:20:402:18:256:357:16
7:16
+0:32
35K
21.75 mi12:25:512:23:366:365:11
6:56
-0:20
23M
23.00 mi12:34:512:32:366:389:00
7:11
+0:15
24M
24.00 mi12:41:552:39:406:397:04
7:04
-0:07
40K
24.85 mi12:47:572:45:426:406:02
7:03
-0:01
25.2M
25.20 mi12:50:332:48:186:412:36
7:32
+0:29
Finish
26.22 mi12:57:312:55:166:416:58
6:50
-0:42

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

6:24 /mi

Average Pace

6:41 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:18

82% of race

Time at Steady Pace

31:58

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:41 /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 mi10:22:4020:256:3420:25
6:34
#2677
10K
6.21 mi10:43:0340:486:3420:23
6:34
#2898
15K
9.32 mi11:03:151:01:006:3320:12
6:30
#2791
20K
12.43 mi11:23:251:21:106:3220:10
6:29
#2630
Half
13.11 mi11:27:471:25:326:314:22
6:24
#2604
25K
15.53 mi11:43:241:41:096:3115:37
6:26
#2478
30K
18.64 mi12:04:152:02:006:3320:51
6:43
#2446
20M
20.00 mi12:13:242:11:096:339:09
6:44
#2419
21M
21.00 mi12:20:402:18:256:357:16
7:16
#2438
35K
21.75 mi12:25:512:23:366:365:11
6:56
#2491
23M
23.00 mi12:34:512:32:366:389:00
7:11
#2555
24M
24.00 mi12:41:552:39:406:397:04
7:04
#2658
40K
24.85 mi12:47:572:45:426:406:02
7:03
#2694
25.2M
25.20 mi12:50:332:48:186:412:36
7:32
#2715
Finish
26.22 mi12:57:312:55:166:416:58
6:50
#2759
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2677254925492644(Top 10%)2529(Top 17%)2529(Top 48%)
10K6.21 mi3.10 mi2898-2212764-2152764-2153197(Top 12%)3046(Top 20%)3046(Top 58%)
15K9.32 mi3.11 mi2791+1072665+992665+992644(Top 10%)2529(Top 17%)2529(Top 48%)
20K12.43 mi3.11 mi2630+1612514+1512514+1512236(Top 8%)2146(Top 14%)2146(Top 41%)
Half13.11 mi0.68 mi2604+262490+242490+242252(Top 8%)2162(Top 14%)2162(Top 41%)
25K15.53 mi2.42 mi2478+1262374+1162374+1161922(Top 7%)1842(Top 12%)1842(Top 35%)
30K18.64 mi3.11 mi2446+322341+332341+332464(Top 9%)2346(Top 15%)2346(Top 44%)
20M20.00 mi1.36 mi2419+272315+262315+262444(Top 9%)2319(Top 15%)2319(Top 44%)
21M21.00 mi1.00 mi2438-192336-212336-213425(Top 13%)3183(Top 21%)3183(Top 60%)
35K21.75 mi0.75 mi2491-532386-502386-504879(Top 18%)4385(Top 29%)4385(Top 83%)
23M23.00 mi1.25 mi2555-642443-572443-574711(Top 18%)4240(Top 28%)4240(Top 80%)
24M24.00 mi1.00 mi2658-1032537-942537-944976(Top 19%)4394(Top 29%)4394(Top 83%)
40K24.85 mi0.85 mi2694-362570-332570-334106(Top 15%)3667(Top 24%)3667(Top 69%)
25.2M25.20 mi0.35 mi2715-212586-162586-163998(Top 15%)3540(Top 23%)3540(Top 67%)
Finish26.22 mi1.02 mi2759-442622-362622-364255(Top 16%)3731(Top 25%)3731(Top 71%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2644

Males

2529

M18-39

2529

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3197

Males

3046

M18-39

3046

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2644

Males

2529

M18-39

2529

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2236

Males

2146

M18-39

2146

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2252

Males

2162

M18-39

2162

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1922

Males

1842

M18-39

1842

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2464

Males

2346

M18-39

2346

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2444

Males

2319

M18-39

2319

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3425

Males

3183

M18-39

3183

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4879

Males

4385

M18-39

4385

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4711

Males

4240

M18-39

4240

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

4976

Males

4394

M18-39

4394

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4106

Males

3667

M18-39

3667

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3998

Males

3540

M18-39

3540

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4255

Males

3731

M18-39

3731

Passing Analysis

Category:
Athletes Passed
822
Passed By
904
Net Change
-82
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2677
5K → 10K74295-221#2677#2898
10K → 15K14942+107#2898#2791
15K → 20K17413+161#2791#2630
20K → Half304+26#2630#2604
Half → 25K1337+126#2604#2478
25K → 30K8048+32#2478#2446
30K → 20M5124+27#2446#2419
20M → 21M2645-19#2419#2438
21M → 35K1063-53#2438#2491
35K → 23M2791-64#2491#2555
23M → 24M15118-103#2555#2658
24M → 40K2258-36#2658#2694
40K → 25.2M829-21#2694#2715
25.2M → Finish2367-44#2715#2759
TOTALS822904-82
📊

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