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BOSTON MARATHON 2023

Bill O'Neil

Bib: 26867•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
34:52
Rank: #25952
Start → 5K
34:52 | 11:13/mi
10K· 6.21 mi
1:10:24
Rank: #25955 (-3)
5K → 10K
35:32 | 11:26/mi
15K· 9.32 mi
1:48:07
Rank: #26046 (-91)
10K → 15K
37:43 | 12:08/mi
20K· 12.43 mi
2:26:05
Rank: #25996 (+50)
15K → 20K
37:58 | 12:13/mi
Half· 13.11 mi
2:33:59
Rank: #25970 (+26)
20K → Half
7:54 | 11:35/mi
25K· 15.53 mi
3:06:13
Rank: #25999 (-29)
Half → 25K
32:14 | 13:18/mi
30K· 18.64 mi
3:46:20
Rank: #25903 (+96)
25K → 30K
40:07 | 12:55/mi
20M
4:05:38
Rank: #25924 (-21)
30K → 20M
19:18 | 14:12/mi
21M
4:21:06
Rank: #25939 (-15)
20M → 21M
15:28 | 15:28/mi
35K· 21.75 mi
4:30:50
Rank: #25934 (+5)
21M → 35K
9:44 | 13:01/mi
23M
4:48:36
Rank: #25936 (-2)
35K → 23M
17:46 | 14:11/mi
24M
5:01:28
Rank: #25925 (+11)
23M → 24M
12:52 | 12:52/mi
40K· 24.85 mi
5:13:17
Rank: #25925
24M → 40K
11:49 | 13:49/mi
25.2M
5:19:01
Rank: #25939 (-14)
40K → 25.2M
5:44 | 16:38/mi
Finish· 26.22 mi
5:32:08
Rank: #25954 (-15)
25.2M → Finish
13:07 | 12:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:33:59
Pace11:45 /mi
2nd Half
Distance13.11 mi
Time2:58:09
Pace13:35 /mi
📊Positive Split: 15.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:0934:5211:1334:52
11:13
-
10K
6.21 mi12:33:411:10:2411:2035:32
11:26
+0:13
15K
9.32 mi13:11:241:48:0711:3637:43
12:08
+0:42
20K
12.43 mi13:49:222:26:0511:4537:58
12:13
+0:05
Half
13.11 mi13:57:162:33:5911:457:54
11:35
-0:38
25K
15.53 mi14:29:303:06:1311:5932:14
13:18
+1:43
30K
18.64 mi15:09:373:46:2012:0840:07
12:55
-0:23
20M
20.00 mi15:28:554:05:3812:1719:18
14:12
+1:17
21M
21.00 mi15:44:234:21:0612:2615:28
15:28
+1:16
35K
21.75 mi15:54:074:30:5012:279:44
13:01
-2:27
23M
23.00 mi16:11:534:48:3612:3317:46
14:11
+1:10
24M
24.00 mi16:24:455:01:2812:3412:52
12:52
-1:19
40K
24.85 mi16:36:345:13:1712:3611:49
13:49
+0:57
25.2M
25.20 mi16:42:185:19:0112:405:44
16:38
+2:49
Finish
26.22 mi16:55:255:32:0812:4113:07
12:52
-3:46

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

11:13 /mi

Average Pace

12:41 /mi

Slowest Pace

16:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:01

35% of race

Time at Steady Pace

2:26:02

44% of race

Time at Slower Pace

1:10:05

21% of race

Average Pace: 12:40 /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 mi11:58:0934:5211:1334:52
11:13
#25952
10K
6.21 mi12:33:411:10:2411:2035:32
11:26
#25955
15K
9.32 mi13:11:241:48:0711:3637:43
12:08
#26046
20K
12.43 mi13:49:222:26:0511:4537:58
12:13
#25996
Half
13.11 mi13:57:162:33:5911:457:54
11:35
#25970
25K
15.53 mi14:29:303:06:1311:5932:14
13:18
#25999
30K
18.64 mi15:09:373:46:2012:0840:07
12:55
#25903
20M
20.00 mi15:28:554:05:3812:1719:18
14:12
#25924
21M
21.00 mi15:44:234:21:0612:2615:28
15:28
#25939
35K
21.75 mi15:54:074:30:5012:279:44
13:01
#25934
23M
23.00 mi16:11:534:48:3612:3317:46
14:11
#25936
24M
24.00 mi16:24:455:01:2812:3412:52
12:52
#25925
40K
24.85 mi16:36:345:13:1712:3611:49
13:49
#25925
25.2M
25.20 mi16:42:185:19:0112:405:44
16:38
#25939
Finish
26.22 mi16:55:255:32:0812:4113:07
12:52
#25954
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi25952149091490926144(Top 98%)14994(Top 99%)14994(Top 731%)
10K6.21 mi3.10 mi25955-314920-1114920-1125906(Top 97%)14900(Top 98%)14900(Top 726%)
15K9.32 mi3.11 mi26046-9114959-3914959-3926144(Top 98%)14994(Top 99%)14994(Top 731%)
20K12.43 mi3.11 mi25996+5014935+2414935+2425785(Top 97%)14828(Top 98%)14828(Top 723%)
Half13.11 mi0.68 mi25970+2614928+714928+725548(Top 96%)14712(Top 97%)14712(Top 717%)
25K15.53 mi2.42 mi25999-2914931-314931-326022(Top 98%)14911(Top 98%)14911(Top 727%)
30K18.64 mi3.11 mi25903+9614886+4514886+4525339(Top 95%)14559(Top 96%)14559(Top 710%)
20M20.00 mi1.36 mi25924-2114896-1014896-1025943(Top 97%)14829(Top 98%)14829(Top 723%)
21M21.00 mi1.00 mi25939-1514891+514891+525996(Top 98%)14861(Top 98%)14861(Top 724%)
35K21.75 mi0.75 mi25934+514886+514886+525561(Top 96%)14616(Top 96%)14616(Top 712%)
23M23.00 mi1.25 mi25936-214885+114885+125935(Top 97%)14799(Top 98%)14799(Top 721%)
24M24.00 mi1.00 mi25925+1114878+714878+725382(Top 95%)14487(Top 95%)14487(Top 706%)
40K24.85 mi0.85 mi25925148781487825581(Top 96%)14595(Top 96%)14595(Top 711%)
25.2M25.20 mi0.35 mi25939-1414886-814886-826287(Top 99%)14970(Top 99%)14970(Top 730%)
Finish26.22 mi1.02 mi25954-1514889-314889-325901(Top 97%)14758(Top 97%)14758(Top 719%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21stories
+97ft-345ft

Overall

26144

Males

14994

M50-54

14994

5K→10K

3.1 - 6.2 mi

Top 97%
×5stories
+79ft-138ft

Overall

25906

Males

14900

M50-54

14900

10K→15K

6.2 - 9.3 mi

Top 98%
×3stories
+67ft-78ft

Overall

26144

Males

14994

M50-54

14994

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

25785

Males

14828

M50-54

14828

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

25548

Males

14712

M50-54

14712

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

26022

Males

14911

M50-54

14911

25K→30K

15.5 - 18.6 mi

Top 95%
×9stories
+181ft-148ft

Overall

25339

Males

14559

M50-54

14559

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

25943

Males

14829

M50-54

14829

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

25996

Males

14861

M50-54

14861

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

25561

Males

14616

M50-54

14616

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

25935

Males

14799

M50-54

14799

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

25382

Males

14487

M50-54

14487

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

25581

Males

14595

M50-54

14595

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26287

Males

14970

M50-54

14970

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

25901

Males

14758

M50-54

14758

Passing Analysis

Category:
Athletes Passed
493
Passed By
495
Net Change
-2
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25952
5K → 10K104107-3#25952#25955
10K → 15K29120-91#25955#26046
15K → 20K8232+50#26046#25996
20K → Half337+26#25996#25970
Half → 25K2756-29#25970#25999
25K → 30K10610+96#25999#25903
30K → 20M1940-21#25903#25924
20M → 21M2035-15#25924#25939
21M → 35K149+5#25939#25934
35K → 23M1820-2#25934#25936
23M → 24M187+11#25936#25925
24M → 40K14140#25925#25925
40K → 25.2M418-14#25925#25939
25.2M → Finish520-15#25939#25954
TOTALS493495-2
📊

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