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BOSTON MARATHON 2023

David O'Keeffe

Bib: 6266•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
Masters (Masters Men)
#0 / 9891
Top 13%
Division (M45-49)
#0 / 2252
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:13
Rank: #4938
Start → 5K
6:50/mi
21:13 split
10K· 6.21 mi
41:49
Rank: #4272 (+666)
5K → 10K
6:38/mi
20:36 split
15K· 9.32 mi
1:02:37
Rank: #4196 (+76)
10K → 15K
6:42/mi
20:48 split
20K· 12.43 mi
1:23:39
Rank: #4176 (+20)
15K → 20K
6:46/mi
21:02 split
Half· 13.11 mi
1:28:14
Rank: #4185 (-9)
20K → Half
6:43/mi
4:35 split
25K· 15.53 mi
1:44:43
Rank: #4139 (+46)
Half → 25K
6:48/mi
16:29 split
30K· 18.64 mi
2:06:25
Rank: #4134 (+5)
25K → 30K
6:59/mi
21:42 split
20M
2:15:55
Rank: #4113 (+21)
30K → 20M
6:59/mi
9:30 split
21M
2:23:21
Rank: #4110 (+3)
20M → 21M
7:26/mi
7:26 split
35K· 21.75 mi
2:28:27
Rank: #4110
21M → 35K
6:49/mi
5:06 split
23M
2:37:21
Rank: #4129 (-19)
35K → 23M
7:06/mi
8:54 split
24M
2:44:16
Rank: #4122 (+7)
23M → 24M
6:55/mi
6:55 split
40K· 24.85 mi
2:50:19
Rank: #4135 (-13)
24M → 40K
7:05/mi
6:03 split
25.2M
2:52:55
Rank: #4141 (-6)
40K → 25.2M
7:32/mi
2:36 split
Finish· 26.22 mi
3:00:23
Rank: #4279 (-138)
25.2M → Finish
7:20/mi
7:28 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:14
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:32:09
Pace7:02 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4321:136:5021:13
6:50
-
10K
6.21 mi10:45:1941:496:4420:36
6:38
-0:12
15K
9.32 mi11:06:071:02:376:4320:48
6:42
+0:04
20K
12.43 mi11:27:091:23:396:4421:02
6:46
+0:04
Half
13.11 mi11:31:441:28:146:444:35
6:43
-0:03
25K
15.53 mi11:48:131:44:436:4416:29
6:48
+0:05
30K
18.64 mi12:09:552:06:256:4721:42
6:59
+0:11
20M
20.00 mi12:19:252:15:556:489:30
6:59
0:00
21M
21.00 mi12:26:512:23:216:507:26
7:26
+0:27
35K
21.75 mi12:31:572:28:276:505:06
6:49
-0:37
23M
23.00 mi12:40:512:37:216:508:54
7:06
+0:17
24M
24.00 mi12:47:462:44:166:516:55
6:55
-0:11
40K
24.85 mi12:53:492:50:196:516:03
7:05
+0:10
25.2M
25.20 mi12:56:252:52:556:522:36
7:32
+0:27
Finish
26.22 mi13:03:533:00:236:537:28
7:20
-0:12

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

6:38 /mi

Average Pace

6:53 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:53

90% of race

Time at Steady Pace

17:30

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:53 /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 mi10:24:4321:136:5021:13
6:50
#4938
10K
6.21 mi10:45:1941:496:4420:36
6:38
#4272
15K
9.32 mi11:06:071:02:376:4320:48
6:42
#4196
20K
12.43 mi11:27:091:23:396:4421:02
6:46
#4176
Half
13.11 mi11:31:441:28:146:444:35
6:43
#4185
25K
15.53 mi11:48:131:44:436:4416:29
6:48
#4139
30K
18.64 mi12:09:552:06:256:4721:42
6:59
#4134
20M
20.00 mi12:19:252:15:556:489:30
6:59
#4113
21M
21.00 mi12:26:512:23:216:507:26
7:26
#4110
35K
21.75 mi12:31:572:28:276:505:06
6:49
#4110
23M
23.00 mi12:40:512:37:216:508:54
7:06
#4129
24M
24.00 mi12:47:462:44:166:516:55
6:55
#4122
40K
24.85 mi12:53:492:50:196:516:03
7:05
#4135
25.2M
25.20 mi12:56:252:52:556:522:36
7:32
#4141
Finish
26.22 mi13:03:533:00:236:537:28
7:20
#4279
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4938458445844081(Top 15%)3830(Top 25%)3830(Top 170%)
10K6.21 mi3.10 mi4272+6664004+5804004+5803721(Top 14%)3516(Top 23%)3516(Top 156%)
15K9.32 mi3.11 mi4196+763935+693935+694081(Top 15%)3830(Top 25%)3830(Top 170%)
20K12.43 mi3.11 mi4176+203918+173918+174168(Top 16%)3907(Top 26%)3907(Top 173%)
Half13.11 mi0.68 mi4185-93922-43922-44508(Top 17%)4200(Top 28%)4200(Top 187%)
25K15.53 mi2.42 mi4139+463881+413881+414136(Top 16%)3876(Top 26%)3876(Top 172%)
30K18.64 mi3.11 mi4134+53886-53886-54247(Top 16%)3957(Top 26%)3957(Top 176%)
20M20.00 mi1.36 mi4113+213863+233863+233978(Top 15%)3694(Top 24%)3694(Top 164%)
21M21.00 mi1.00 mi4110+33855+83855+84274(Top 16%)3914(Top 26%)3914(Top 174%)
35K21.75 mi0.75 mi41103850+53850+54290(Top 16%)3925(Top 26%)3925(Top 174%)
23M23.00 mi1.25 mi4129-193867-173867-174334(Top 16%)3953(Top 26%)3953(Top 176%)
24M24.00 mi1.00 mi4122+73859+83859+84255(Top 16%)3867(Top 25%)3867(Top 172%)
40K24.85 mi0.85 mi4135-133870-113870-114230(Top 16%)3765(Top 25%)3765(Top 167%)
25.2M25.20 mi0.35 mi4141-63876-63876-64048(Top 15%)3590(Top 24%)3590(Top 159%)
Finish26.22 mi1.02 mi4279-1383992-1163992-1167252(Top 27%)5707(Top 38%)5707(Top 253%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21story building
+97ft-345ft

Overall

4081

Males

3830

M45-49

3830

5K→10K

3.1 - 6.2 mi

Top 14%
×5story building
+79ft-138ft

Overall

3721

Males

3516

M45-49

3516

10K→15K

6.2 - 9.3 mi

Top 15%
×3story building
+67ft-78ft

Overall

4081

Males

3830

M45-49

3830

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4168

Males

3907

M45-49

3907

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4508

Males

4200

M45-49

4200

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4136

Males

3876

M45-49

3876

25K→30K

15.5 - 18.6 mi

Top 16%
×9story building
+181ft-148ft

Overall

4247

Males

3957

M45-49

3957

30K→20M

18.6 - 20.0 mi

Top 15%
×5story building
+64ft-50ft

Overall

3978

Males

3694

M45-49

3694

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4274

Males

3914

M45-49

3914

21M→35K

21.0 - 21.8 mi

Top 16%
×7story building
+17ft-86ft

Overall

4290

Males

3925

M45-49

3925

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4334

Males

3953

M45-49

3953

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4255

Males

3867

M45-49

3867

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4230

Males

3765

M45-49

3765

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4048

Males

3590

M45-49

3590

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7252

Males

5707

M45-49

5707

Passing Analysis

Category:
Athletes Passed
1573
Passed By
914
Net Change
+659
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4938
5K → 10K69630+666#4938#4272
10K → 15K16690+76#4272#4196
15K → 20K10585+20#4196#4176
20K → Half1726-9#4176#4185
Half → 25K9347+46#4185#4139
25K → 30K122117+5#4139#4134
30K → 20M6847+21#4134#4113
20M → 21M7370+3#4113#4110
21M → 35K35350#4110#4110
35K → 23M5574-19#4110#4129
23M → 24M6255+7#4129#4122
24M → 40K4558-13#4122#4135
40K → 25.2M2026-6#4135#4141
25.2M → Finish16154-138#4141#4279
TOTALS1573914+659
📊

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