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BOSTON MARATHON 2023

Caleb O'Neil

Bib: 2545•M

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Division (M18-39)
#0 / 5285
Top 50%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:16
Rank: #1142
Start → 5K
19:16 | 6:12/mi
10K· 6.21 mi
38:30
Rank: #1192 (-50)
5K → 10K
19:14 | 6:11/mi
15K· 9.32 mi
57:55
Rank: #1237 (-45)
10K → 15K
19:25 | 6:15/mi
20K· 12.43 mi
1:17:57
Rank: #1398 (-161)
15K → 20K
20:02 | 6:27/mi
Half· 13.11 mi
1:22:16
Rank: #1415 (-17)
20K → Half
4:19 | 6:20/mi
25K· 15.53 mi
1:40:03
Rank: #2100 (-685)
Half → 25K
17:47 | 7:20/mi
30K· 18.64 mi
2:03:10
Rank: #2792 (-692)
25K → 30K
23:07 | 7:26/mi
20M
2:13:44
Rank: #3191 (-399)
30K → 20M
10:34 | 7:47/mi
21M
2:21:36
Rank: #3388 (-197)
20M → 21M
7:52 | 7:52/mi
35K· 21.75 mi
2:27:04
Rank: #3552 (-164)
21M → 35K
5:28 | 7:18/mi
23M
2:36:06
Rank: #3619 (-67)
35K → 23M
9:02 | 7:13/mi
24M
2:43:18
Rank: #3763 (-144)
23M → 24M
7:12 | 7:12/mi
40K· 24.85 mi
2:49:39
Rank: #3898 (-135)
24M → 40K
6:21 | 7:26/mi
25.2M
2:52:40
Rank: #4046 (-148)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
2:59:34
Rank: #4060 (-14)
25.2M → Finish
6:54 | 6:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:16
Pace6:17 /mi
2nd Half
Distance13.11 mi
Time1:37:18
Pace7:25 /mi
📊Positive Split: 18.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0019:166:1219:16
6:12
-
10K
6.21 mi10:39:1438:306:1219:14
6:11
-0:01
15K
9.32 mi10:58:3957:556:1319:25
6:15
+0:04
20K
12.43 mi11:18:411:17:576:1620:02
6:27
+0:12
Half
13.11 mi11:23:001:22:166:174:19
6:20
-0:07
25K
15.53 mi11:40:471:40:036:2617:47
7:20
+1:00
30K
18.64 mi12:03:542:03:106:3623:07
7:26
+0:06
20M
20.00 mi12:14:282:13:446:4110:34
7:47
+0:21
21M
21.00 mi12:22:202:21:366:457:52
7:52
+0:05
35K
21.75 mi12:27:482:27:046:465:28
7:18
-0:34
23M
23.00 mi12:36:502:36:066:479:02
7:13
-0:05
24M
24.00 mi12:44:022:43:186:487:12
7:12
-0:01
40K
24.85 mi12:50:232:49:396:506:21
7:26
+0:14
25.2M
25.20 mi12:53:242:52:406:513:01
8:45
+1:19
Finish
26.22 mi13:00:182:59:346:516:54
6:46
-1:59

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

6:11 /mi

Average Pace

6:51 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:10

50% of race

Time at Steady Pace

1:08:57

38% of race

Time at Slower Pace

21:27

12% of race

Average Pace: 6:51 /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 mi10:20:0019:166:1219:16
6:12
#1142
10K
6.21 mi10:39:1438:306:1219:14
6:11
#1192
15K
9.32 mi10:58:3957:556:1319:25
6:15
#1237
20K
12.43 mi11:18:411:17:576:1620:02
6:27
#1398
Half
13.11 mi11:23:001:22:166:174:19
6:20
#1415
25K
15.53 mi11:40:471:40:036:2617:47
7:20
#2100
30K
18.64 mi12:03:542:03:106:3623:07
7:26
#2792
20M
20.00 mi12:14:282:13:446:4110:34
7:47
#3191
21M
21.00 mi12:22:202:21:366:457:52
7:52
#3388
35K
21.75 mi12:27:482:27:046:465:28
7:18
#3552
23M
23.00 mi12:36:502:36:066:479:02
7:13
#3619
24M
24.00 mi12:44:022:43:186:487:12
7:12
#3763
40K
24.85 mi12:50:232:49:396:506:21
7:26
#3898
25.2M
25.20 mi12:53:242:52:406:513:01
8:45
#4046
Finish
26.22 mi13:00:182:59:346:516:54
6:46
#4060
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1142108010801439(Top 5%)1372(Top 9%)1372(Top 26%)
10K6.21 mi3.10 mi1192-501129-491129-491334(Top 5%)1271(Top 8%)1271(Top 24%)
15K9.32 mi3.11 mi1237-451174-451174-451439(Top 5%)1372(Top 9%)1372(Top 26%)
20K12.43 mi3.11 mi1398-1611332-1581332-1582039(Top 8%)1958(Top 13%)1958(Top 37%)
Half13.11 mi0.68 mi1415-171349-171349-171931(Top 7%)1856(Top 12%)1856(Top 35%)
25K15.53 mi2.42 mi2100-6852015-6662015-6667483(Top 28%)6467(Top 43%)6467(Top 122%)
30K18.64 mi3.11 mi2792-6922670-6552670-6556821(Top 26%)5940(Top 39%)5940(Top 112%)
20M20.00 mi1.36 mi3191-3993032-3623032-3628628(Top 32%)6961(Top 46%)6961(Top 132%)
21M21.00 mi1.00 mi3388-1973209-1773209-1776499(Top 24%)5537(Top 36%)5537(Top 105%)
35K21.75 mi0.75 mi3552-1643364-1553364-1557108(Top 27%)5948(Top 39%)5948(Top 113%)
23M23.00 mi1.25 mi3619-673418-543418-544849(Top 18%)4348(Top 29%)4348(Top 82%)
24M24.00 mi1.00 mi3763-1443541-1233541-1235717(Top 21%)4910(Top 32%)4910(Top 93%)
40K24.85 mi0.85 mi3898-1353654-1133654-1136202(Top 23%)5137(Top 34%)5137(Top 97%)
25.2M25.20 mi0.35 mi4046-1483786-1323786-13210905(Top 41%)7716(Top 51%)7716(Top 146%)
Finish26.22 mi1.02 mi4060-143798-123798-123899(Top 15%)3455(Top 23%)3455(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1439

Males

1372

M18-39

1372

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1334

Males

1271

M18-39

1271

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1439

Males

1372

M18-39

1372

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2039

Males

1958

M18-39

1958

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1931

Males

1856

M18-39

1856

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7483

Males

6467

M18-39

6467

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

6821

Males

5940

M18-39

5940

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8628

Males

6961

M18-39

6961

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6499

Males

5537

M18-39

5537

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7108

Males

5948

M18-39

5948

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4849

Males

4348

M18-39

4348

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5717

Males

4910

M18-39

4910

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6202

Males

5137

M18-39

5137

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10905

Males

7716

M18-39

7716

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3899

Males

3455

M18-39

3455

Passing Analysis

Category:
Athletes Passed
230
Passed By
3148
Net Change
-2918
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1142
5K → 10K3787-50#1142#1192
10K → 15K2166-45#1192#1237
15K → 20K12173-161#1237#1398
20K → Half320-17#1398#1415
Half → 25K0685-685#1415#2100
25K → 30K3695-692#2100#2792
30K → 20M5404-399#2792#3191
20M → 21M11208-197#3191#3388
21M → 35K9173-164#3388#3552
35K → 23M43110-67#3552#3619
23M → 24M15159-144#3619#3763
24M → 40K24159-135#3763#3898
40K → 25.2M5153-148#3898#4046
25.2M → Finish4256-14#4046#4060
TOTALS2303148-2918
📊

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