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BOSTON MARATHON 2023

James O'Connor

Bib: 20842•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 43%
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
8:32/mi
26:30
↑ 97↓ 3451.5%
10K· 6.21 mi
8:23/mi
52:34
↑ 79↓ 1380.4%
15K· 9.32 mi
8:26/mi
1:18:46
↑ 67↓ 78
20K· 12.43 mi
8:35/mi
1:45:26
↑ 106↓ 860.1%
Half· 13.11 mi
8:27/mi
1:51:12
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:12:07
↑ 66↓ 880.2%
30K· 18.64 mi
8:54/mi
2:39:47
↑ 181↓ 1480.2%
20M
8:59/mi
2:51:59
↑ 64↓ 500.2%
21M
9:23/mi
3:01:22
↑ 106↓ 241.6%
35K· 21.75 mi
8:31/mi
3:07:44
↑ 17↓ 861.7%
23M
8:43/mi
3:18:39
↑ 23↓ 630.6%
24M
8:29/mi
3:27:08
↓ 821.3%
40K· 24.85 mi
8:44/mi
3:34:36
↓ 200.3%
25.2M
9:25/mi
3:37:51
↑ 13↓ 160.2%
Finish· 26.22 mi
8:24/mi
3:46:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:12
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time1:55:13
Pace8:47 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4026:308:3226:30
8:32
-
10K
6.21 mi11:44:4452:348:2826:04
8:23
-0:09
15K
9.32 mi12:10:561:18:468:2726:12
8:26
+0:03
20K
12.43 mi12:37:361:45:268:2926:40
8:35
+0:09
Half
13.11 mi12:43:221:51:128:295:46
8:27
-0:08
25K
15.53 mi13:04:172:12:078:3020:55
8:38
+0:11
30K
18.64 mi13:31:572:39:478:3427:40
8:54
+0:16
20M
20.00 mi13:44:092:51:598:3612:12
8:59
+0:05
21M
21.00 mi13:53:323:01:228:389:23
9:23
+0:24
35K
21.75 mi13:59:543:07:448:386:22
8:31
-0:52
23M
23.00 mi14:10:493:18:398:3810:55
8:43
+0:12
24M
24.00 mi14:19:183:27:088:388:29
8:29
-0:14
40K
24.85 mi14:26:463:34:368:387:28
8:44
+0:15
25.2M
25.20 mi14:30:013:37:518:393:15
9:25
+0:41
Finish
26.22 mi14:38:353:46:258:398:34
8:24
-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

8:23 /mi

Average Pace

8:39 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:33:47

94% of race

Time at Steady Pace

12:38

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:38 /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 mi11:18:4026:308:3226:30
8:32
#17742
10K
6.21 mi11:44:4452:348:2826:04
8:23
#17626
15K
9.32 mi12:10:561:18:468:2726:12
8:26
#17522
20K
12.43 mi12:37:361:45:268:2926:40
8:35
#17447
Half
13.11 mi12:43:221:51:128:295:46
8:27
#17436
25K
15.53 mi13:04:172:12:078:3020:55
8:38
#17349
30K
18.64 mi13:31:572:39:478:3427:40
8:54
#17187
20M
20.00 mi13:44:092:51:598:3612:12
8:59
#17130
21M
21.00 mi13:53:323:01:228:389:23
9:23
#17002
35K
21.75 mi13:59:543:07:448:386:22
8:31
#16947
23M
23.00 mi14:10:493:18:398:3810:55
8:43
#16805
24M
24.00 mi14:19:183:27:088:388:29
8:29
#16686
40K
24.85 mi14:26:463:34:368:387:28
8:44
#16606
25.2M
25.20 mi14:30:013:37:518:393:15
9:25
#16569
Finish
26.22 mi14:38:353:46:258:398:34
8:24
#16492
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17742113241132417345(Top 65%)11194(Top 74%)11194(Top 1008%)
10K6.21 mi3.10 mi17626+11611304+2011304+2017508(Top 66%)11300(Top 74%)11300(Top 1018%)
15K9.32 mi3.11 mi17522+10411276+2811276+2817345(Top 65%)11194(Top 74%)11194(Top 1008%)
20K12.43 mi3.11 mi17447+7511239+3711239+3717374(Top 65%)11198(Top 74%)11198(Top 1009%)
Half13.11 mi0.68 mi17436+1111236+311236+317415(Top 65%)11249(Top 74%)11249(Top 1013%)
25K15.53 mi2.42 mi17349+8711177+5911177+5916948(Top 64%)10945(Top 72%)10945(Top 986%)
30K18.64 mi3.11 mi17187+16211097+8011097+8016666(Top 63%)10774(Top 71%)10774(Top 971%)
20M20.00 mi1.36 mi17130+5711055+4211055+4216391(Top 62%)10562(Top 70%)10562(Top 952%)
21M21.00 mi1.00 mi17002+12810990+6510990+6515386(Top 58%)10093(Top 67%)10093(Top 909%)
35K21.75 mi0.75 mi16947+5510968+2210968+2215371(Top 58%)10024(Top 66%)10024(Top 903%)
23M23.00 mi1.25 mi16805+14210881+8710881+8714489(Top 54%)9577(Top 63%)9577(Top 863%)
24M24.00 mi1.00 mi16686+11910814+6710814+6714379(Top 54%)9483(Top 62%)9483(Top 854%)
40K24.85 mi0.85 mi16606+8010752+6210752+6214703(Top 55%)9553(Top 63%)9553(Top 861%)
25.2M25.20 mi0.35 mi16569+3710737+1510737+1514787(Top 56%)9591(Top 63%)9591(Top 864%)
Finish26.22 mi1.02 mi16492+7710688+4910688+4914771(Top 55%)9622(Top 63%)9622(Top 867%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

17345

Males

11194

M60-64

11194

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

17508

Males

11300

M60-64

11300

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

17345

Males

11194

M60-64

11194

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

17374

Males

11198

M60-64

11198

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17415

Males

11249

M60-64

11249

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

16948

Males

10945

M60-64

10945

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

16666

Males

10774

M60-64

10774

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

16391

Males

10562

M60-64

10562

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15386

Males

10093

M60-64

10093

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

15371

Males

10024

M60-64

10024

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

14489

Males

9577

M60-64

9577

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

14379

Males

9483

M60-64

9483

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14703

Males

9553

M60-64

9553

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14787

Males

9591

M60-64

9591

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14771

Males

9622

M60-64

9622

Passing Analysis

Category:
Athletes Passed
2155
Passed By
905
Net Change
+1250
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17742
5K → 10K371255+116#17742#17626
10K → 15K251147+104#17626#17522
15K → 20K207132+75#17522#17447
20K → Half3322+11#17447#17436
Half → 25K16578+87#17436#17349
25K → 30K25088+162#17349#17187
30K → 20M10548+57#17187#17130
20M → 21M15830+128#17130#17002
21M → 35K6813+55#17002#16947
35K → 23M16422+142#16947#16805
23M → 24M13314+119#16805#16686
24M → 40K10323+80#16686#16606
40K → 25.2M5013+37#16606#16569
25.2M → Finish9720+77#16569#16492
TOTALS2155905+1250
📊

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