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BOSTON MARATHON 2023

David O'Leary

Bib: 26144•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 (M60-64)
#0 / 1110
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
10:25/mi
32:22
↑ 97↓ 3451.5%
10K· 6.21 mi
10:29/mi
1:04:57
↑ 79↓ 1380.4%
15K· 9.32 mi
10:35/mi
1:37:51
↑ 67↓ 78
20K· 12.43 mi
11:16/mi
2:12:50
↑ 106↓ 860.1%
Half· 13.11 mi
10:23/mi
2:19:55
↑ 19↓ 370.5%
25K· 15.53 mi
10:57/mi
2:46:28
↑ 66↓ 880.2%
30K· 18.64 mi
11:16/mi
3:21:27
↑ 181↓ 1480.2%
20M
11:31/mi
3:37:06
↑ 64↓ 500.2%
21M
12:21/mi
3:49:27
↑ 106↓ 241.6%
35K· 21.75 mi
11:27/mi
3:58:01
↑ 17↓ 861.7%
23M
12:18/mi
4:13:25
↑ 23↓ 630.6%
24M
11:36/mi
4:25:01
↓ 821.3%
40K· 24.85 mi
11:57/mi
4:35:14
↓ 200.3%
25.2M
12:40/mi
4:39:36
↑ 13↓ 160.2%
Finish· 26.22 mi
10:45/mi
4:50:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:55
Pace10:40 /mi
2nd Half
Distance13.11 mi
Time2:30:38
Pace11:29 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0732:2210:2532:22
10:25
-
10K
6.21 mi12:21:421:04:5710:2732:35
10:29
+0:04
15K
9.32 mi12:54:361:37:5110:3032:54
10:35
+0:06
20K
12.43 mi13:29:352:12:5010:4134:59
11:16
+0:41
Half
13.11 mi13:36:402:19:5510:407:05
10:23
-0:53
25K
15.53 mi14:03:132:46:2810:4326:33
10:57
+0:34
30K
18.64 mi14:38:123:21:2710:4834:59
11:16
+0:19
20M
20.00 mi14:53:513:37:0610:5115:39
11:31
+0:15
21M
21.00 mi15:06:123:49:2710:5612:21
12:21
+0:50
35K
21.75 mi15:14:463:58:0110:578:34
11:27
-0:54
23M
23.00 mi15:30:104:13:2511:0115:24
12:18
+0:51
24M
24.00 mi15:41:464:25:0111:0311:36
11:36
-0:42
40K
24.85 mi15:51:594:35:1411:0410:13
11:57
+0:21
25.2M
25.20 mi15:56:214:39:3611:064:22
12:40
+0:43
Finish
26.22 mi16:07:184:50:3311:0510:57
10:45
-1:55

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

10:23 /mi

Average Pace

11:05 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:53

40% of race

Time at Steady Pace

2:12:20

46% of race

Time at Slower Pace

42:20

15% of race

Average Pace: 11:05 /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 mi11:49:0732:2210:2532:22
10:25
#24508
10K
6.21 mi12:21:421:04:5710:2732:35
10:29
#24616
15K
9.32 mi12:54:361:37:5110:3032:54
10:35
#24630
20K
12.43 mi13:29:352:12:5010:4134:59
11:16
#24735
Half
13.11 mi13:36:402:19:5510:407:05
10:23
#24709
25K
15.53 mi14:03:132:46:2810:4326:33
10:57
#24587
30K
18.64 mi14:38:123:21:2710:4834:59
11:16
#24374
20M
20.00 mi14:53:513:37:0610:5115:39
11:31
#24289
21M
21.00 mi15:06:123:49:2710:5612:21
12:21
#24226
35K
21.75 mi15:14:463:58:0110:578:34
11:27
#24223
23M
23.00 mi15:30:104:13:2511:0115:24
12:18
#24260
24M
24.00 mi15:41:464:25:0111:0311:36
11:36
#24250
40K
24.85 mi15:51:594:35:1411:0410:13
11:57
#24246
25.2M
25.20 mi15:56:214:39:3611:064:22
12:40
#24239
Finish
26.22 mi16:07:184:50:3311:0510:57
10:45
#24221
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi24508143301433024606(Top 92%)14346(Top 95%)14346(Top 1292%)
10K6.21 mi3.10 mi24616-10814376-4614376-4624661(Top 93%)14385(Top 95%)14385(Top 1296%)
15K9.32 mi3.11 mi24630-1414371+514371+524606(Top 92%)14346(Top 95%)14346(Top 1292%)
20K12.43 mi3.11 mi24735-10514405-3414405-3424961(Top 94%)14482(Top 95%)14482(Top 1305%)
Half13.11 mi0.68 mi24709+2614392+1314392+1323990(Top 90%)14062(Top 93%)14062(Top 1267%)
25K15.53 mi2.42 mi24587+12214328+6414328+6423886(Top 90%)13967(Top 92%)13967(Top 1258%)
30K18.64 mi3.11 mi24374+21314213+11514213+11523515(Top 88%)13753(Top 91%)13753(Top 1239%)
20M20.00 mi1.36 mi24289+8514168+4514168+4523541(Top 88%)13708(Top 90%)13708(Top 1235%)
21M21.00 mi1.00 mi24226+6314131+3714131+3723263(Top 87%)13558(Top 89%)13558(Top 1221%)
35K21.75 mi0.75 mi24223+314121+1014121+1024024(Top 90%)13862(Top 91%)13862(Top 1249%)
23M23.00 mi1.25 mi24260-3714133-1214133-1224359(Top 91%)14019(Top 92%)14019(Top 1263%)
24M24.00 mi1.00 mi24250+1014121+1214121+1223999(Top 90%)13815(Top 91%)13815(Top 1245%)
40K24.85 mi0.85 mi24246+414118+314118+323827(Top 90%)13709(Top 90%)13709(Top 1235%)
25.2M25.20 mi0.35 mi24239+714109+914109+923518(Top 88%)13561(Top 89%)13561(Top 1222%)
Finish26.22 mi1.02 mi24221+1814095+1414095+1423489(Top 88%)13572(Top 89%)13572(Top 1223%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

24606

Males

14346

M60-64

14346

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

24661

Males

14385

M60-64

14385

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

24606

Males

14346

M60-64

14346

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

24961

Males

14482

M60-64

14482

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

23990

Males

14062

M60-64

14062

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

23886

Males

13967

M60-64

13967

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

23515

Males

13753

M60-64

13753

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

23541

Males

13708

M60-64

13708

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23263

Males

13558

M60-64

13558

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

24024

Males

13862

M60-64

13862

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

24359

Males

14019

M60-64

14019

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

23999

Males

13815

M60-64

13815

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23827

Males

13709

M60-64

13709

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23518

Males

13561

M60-64

13561

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

23489

Males

13572

M60-64

13572

Passing Analysis

Category:
Athletes Passed
1050
Passed By
763
Net Change
+287
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24508
5K → 10K136244-108#24508#24616
10K → 15K119133-14#24616#24630
15K → 20K61166-105#24630#24735
20K → Half359+26#24735#24709
Half → 25K14119+122#24709#24587
25K → 30K23017+213#24587#24374
30K → 20M9813+85#24374#24289
20M → 21M7916+63#24289#24226
21M → 35K2421+3#24226#24223
35K → 23M1956-37#24223#24260
23M → 24M3323+10#24260#24250
24M → 40K2723+4#24250#24246
40K → 25.2M158+7#24246#24239
25.2M → Finish3315+18#24239#24221
TOTALS1050763+287
📊

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