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BOSTON MARATHON 2023

Jamie O'Kelley

Bib: 9055•M

TN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
Masters (Masters Men)
#0 / 9891
Top 18%
Division (M45-49)
#0 / 2252
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:59/mi
21:43
↑ 97↓ 3451.5%
10K· 6.21 mi
6:44/mi
42:39
↑ 79↓ 1380.4%
15K· 9.32 mi
6:43/mi
1:03:31
↑ 67↓ 78
20K· 12.43 mi
6:44/mi
1:24:27
↑ 106↓ 860.1%
Half· 13.11 mi
6:33/mi
1:28:55
↑ 19↓ 370.5%
25K· 15.53 mi
6:49/mi
1:45:26
↑ 66↓ 880.2%
30K· 18.64 mi
7:02/mi
2:07:17
↑ 181↓ 1480.2%
20M
7:08/mi
2:16:59
↑ 64↓ 500.2%
21M
7:49/mi
2:24:48
↑ 106↓ 241.6%
35K· 21.75 mi
7:14/mi
2:30:13
↑ 17↓ 861.7%
23M
7:40/mi
2:39:49
↑ 23↓ 630.6%
24M
7:55/mi
2:47:44
↓ 821.3%
40K· 24.85 mi
8:09/mi
2:54:42
↓ 200.3%
25.2M
8:33/mi
2:57:39
↑ 13↓ 160.2%
Finish· 26.22 mi
7:32/mi
3:05:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:55
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:36:25
Pace7:21 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2321:436:5921:43
6:59
-
10K
6.21 mi11:08:1942:396:5220:56
6:44
-0:15
15K
9.32 mi11:29:111:03:316:4920:52
6:43
-0:01
20K
12.43 mi11:50:071:24:276:4820:56
6:44
+0:01
Half
13.11 mi11:54:351:28:556:474:28
6:33
-0:11
25K
15.53 mi12:11:061:45:266:4716:31
6:49
+0:16
30K
18.64 mi12:32:572:07:176:5021:51
7:02
+0:13
20M
20.00 mi12:42:392:16:596:519:42
7:08
+0:06
21M
21.00 mi12:50:282:24:486:547:49
7:49
+0:41
35K
21.75 mi12:55:532:30:136:545:25
7:14
-0:35
23M
23.00 mi13:05:292:39:496:579:36
7:40
+0:26
24M
24.00 mi13:13:242:47:446:597:55
7:55
+0:15
40K
24.85 mi13:20:222:54:427:026:58
8:09
+0:14
25.2M
25.20 mi13:23:192:57:397:032:57
8:33
+0:24
Finish
26.22 mi13:31:003:05:207:047:41
7:32
-1:01

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

6:33 /mi

Average Pace

7:04 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:43

45% of race

Time at Steady Pace

58:41

32% of race

Time at Slower Pace

42:56

23% of race

Average Pace: 7:04 /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 mi10:47:2321:436:5921:43
6:59
#6185
10K
6.21 mi11:08:1942:396:5220:56
6:44
#5531
15K
9.32 mi11:29:111:03:316:4920:52
6:43
#5130
20K
12.43 mi11:50:071:24:276:4820:56
6:44
#4800
Half
13.11 mi11:54:351:28:556:474:28
6:33
#4683
25K
15.53 mi12:11:061:45:266:4716:31
6:49
#4562
30K
18.64 mi12:32:572:07:176:5021:51
7:02
#4556
20M
20.00 mi12:42:392:16:596:519:42
7:08
#4577
21M
21.00 mi12:50:282:24:486:547:49
7:49
#4698
35K
21.75 mi12:55:532:30:136:545:25
7:14
#4766
23M
23.00 mi13:05:292:39:496:579:36
7:40
#4908
24M
24.00 mi13:13:242:47:446:597:55
7:55
#5082
40K
24.85 mi13:20:222:54:427:026:58
8:09
#5219
25.2M
25.20 mi13:23:192:57:397:032:57
8:33
#5262
Finish
26.22 mi13:31:003:05:207:047:41
7:32
#5324
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6185564356434297(Top 16%)4027(Top 27%)4027(Top 179%)
10K6.21 mi3.10 mi5531+6545102+5415102+5414718(Top 18%)4391(Top 29%)4391(Top 195%)
15K9.32 mi3.11 mi5130+4014757+3454757+3454297(Top 16%)4027(Top 27%)4027(Top 179%)
20K12.43 mi3.11 mi4800+3304473+2844473+2843888(Top 15%)3668(Top 24%)3668(Top 163%)
Half13.11 mi0.68 mi4683+1174370+1034370+1033129(Top 12%)2994(Top 20%)2994(Top 133%)
25K15.53 mi2.42 mi4562+1214259+1114259+1114271(Top 16%)3996(Top 26%)3996(Top 177%)
30K18.64 mi3.11 mi4556+64253+64253+64573(Top 17%)4235(Top 28%)4235(Top 188%)
20M20.00 mi1.36 mi4577-214269-164269-164807(Top 18%)4387(Top 29%)4387(Top 195%)
21M21.00 mi1.00 mi4698-1214377-1084377-1086226(Top 23%)5355(Top 35%)5355(Top 238%)
35K21.75 mi0.75 mi4766-684431-544431-546723(Top 25%)5709(Top 38%)5709(Top 254%)
23M23.00 mi1.25 mi4908-1424544-1134544-1137507(Top 28%)6116(Top 40%)6116(Top 272%)
24M24.00 mi1.00 mi5082-1744673-1294673-12910590(Top 40%)7686(Top 51%)7686(Top 341%)
40K24.85 mi0.85 mi5219-1374785-1124785-11210966(Top 41%)7805(Top 51%)7805(Top 347%)
25.2M25.20 mi0.35 mi5262-434815-304815-309744(Top 37%)7130(Top 47%)7130(Top 317%)
Finish26.22 mi1.02 mi5324-624860-454860-458801(Top 33%)6629(Top 44%)6629(Top 294%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21story building
+97ft-345ft

Overall

4297

Males

4027

M45-49

4027

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

4718

Males

4391

M45-49

4391

10K→15K

6.2 - 9.3 mi

Top 16%
×3story building
+67ft-78ft

Overall

4297

Males

4027

M45-49

4027

15K→20K

9.3 - 12.4 mi

Top 15%
×5story building
+106ft-86ft

Overall

3888

Males

3668

M45-49

3668

20K→Half

12.4 - 13.1 mi

Top 12%
×2story building
+19ft-37ft

Overall

3129

Males

2994

M45-49

2994

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4271

Males

3996

M45-49

3996

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4573

Males

4235

M45-49

4235

30K→20M

18.6 - 20.0 mi

Top 18%
×5story building
+64ft-50ft

Overall

4807

Males

4387

M45-49

4387

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6226

Males

5355

M45-49

5355

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

6723

Males

5709

M45-49

5709

35K→23M

21.8 - 23.0 mi

Top 28%
×5story building
+23ft-63ft

Overall

7507

Males

6116

M45-49

6116

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10590

Males

7686

M45-49

7686

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10966

Males

7805

M45-49

7805

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9744

Males

7130

M45-49

7130

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

8801

Males

6629

M45-49

6629

Passing Analysis

Category:
Athletes Passed
2063
Passed By
1202
Net Change
+861
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6185
5K → 10K67824+654#6185#5531
10K → 15K41312+401#5531#5130
15K → 20K3399+330#5130#4800
20K → Half1181+117#4800#4683
Half → 25K16039+121#4683#4562
25K → 30K135129+6#4562#4556
30K → 20M5778-21#4556#4577
20M → 21M24145-121#4577#4698
21M → 35K2795-68#4698#4766
35K → 23M42184-142#4766#4908
23M → 24M15189-174#4908#5082
24M → 40K13150-137#5082#5219
40K → 25.2M750-43#5219#5262
25.2M → Finish3597-62#5262#5324
TOTALS20631202+861
📊

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