Capital Road Race Management
Boston Marathon logo
BOSTON MARATHON 2023

Maurice O'Connell

Bib: 20047 M IE

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M70-74)
#0 / 213
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:21/mi
25:55
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:02/mi
50:51
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:59/mi
1:15:39
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:08/mi
1:40:56
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:55/mi
1:46:20
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:03/mi
2:05:51
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:14/mi
2:31:26
↑ 181↓ 1480.2%
138 ft elev
20M
8:18/mi
2:42:43
↑ 64↓ 500.2%
148 ft elev
21M
8:52/mi
2:51:35
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:04/mi
2:57:37
↑ 17↓ 861.7%
156 ft elev
23M
8:43/mi
3:08:32
↑ 23↓ 630.6%
116 ft elev
24M
8:35/mi
3:17:07
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:11/mi
3:24:58
↓ 200.3%
20 ft elev
25.2M
9:46/mi
3:28:20
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:04/mi
3:37:34
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:46:208:07 /mi⚡ faster
2nd Half
1:51:148:29 /mi+4.6%
Positive split — 4.6% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
25:558:213.11 mi25:55
8:21
-
10K
50:518:113.10 mi24:56
8:02
-0:19
15K
1:15:398:073.11 mi24:48
7:59
-0:03
20K
1:40:568:073.11 mi25:17
8:08
+0:09
Half(13.11 mi)
1:46:208:070.68 mi5:24
7:55
-0:13
25K
2:05:518:062.42 mi19:31
8:03
+0:08
30K
2:31:268:073.11 mi25:35
8:14
+0:11
20M
2:42:438:081.36 mi11:17
8:18
+0:04
21M
2:51:358:101.00 mi8:52
8:52
+0:34
35K
2:57:378:100.75 mi6:02
8:04
-0:48
23M
3:08:328:121.25 mi10:55
8:43
+0:39
24M
3:17:078:131.00 mi8:35
8:35
-0:08
40K
3:24:588:150.85 mi7:51
9:11
+0:36
25.2M
3:28:208:160.35 mi3:22
9:46
+0:35
Finish(26.22 mi)
3:37:348:181.02 mi9:14
9:04
-0:42
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:55 /mi

Average Pace

8:18 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

55:08

25% of race

Time at Steady Pace

1:53:37

52% of race

Time at Slower Pace

48:49

22% of race

Average Pace: 8:18 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi1641810848108481422299949994
10K6.21 mi3.10 mi15699+71910586+26210586+262149791029910299
15K9.32 mi3.11 mi15227+47210405+18110405+1811422299949994
20K12.43 mi3.11 mi15025+20210307+9810307+98144921007810078
Half13.11 mi0.68 mi14952+7310276+3110276+311365797679767
25K15.53 mi2.42 mi14654+29810138+13810138+1381313294179417
30K18.64 mi3.11 mi14276+3789942+1969942+1961256690529052
20M20.00 mi1.36 mi14122+1549863+799863+791238188648864
21M21.00 mi1.00 mi13987+1359793+709793+701264088788878
35K21.75 mi0.75 mi13926+619755+389755+381256088118811
23M23.00 mi1.25 mi13938-129731+249731+241447795659565
24M24.00 mi1.00 mi13969-319716+159716+151494297209720
40K24.85 mi0.85 mi14105-1369754-389754-38169881057110571
25.2M25.20 mi0.35 mi14149-449759-59759-5163201024310243
Finish26.22 mi1.02 mi14327-1789812-539812-53182491118211182

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

14222

Males

9994

M70-74

9994

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14979

Males

10299

M70-74

10299

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

14222

Males

9994

M70-74

9994

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

14492

Males

10078

M70-74

10078

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13657

Males

9767

M70-74

9767

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13132

Males

9417

M70-74

9417

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12566

Males

9052

M70-74

9052

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

12381

Males

8864

M70-74

8864

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

12640

Males

8878

M70-74

8878

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12560

Males

8811

M70-74

8811

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

14477

Males

9565

M70-74

9565

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

14942

Males

9720

M70-74

9720

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16988

Males

10571

M70-74

10571

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16320

Males

10243

M70-74

10243

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

18249

Males

11182

M70-74

11182

Passing Analysis

Category:
Athletes Passed
3034
Passed By
943
Net Change
+2091
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16418
5K → 10K80687+719#16418#15699
10K → 15K50432+472#15699#15227
15K → 20K29694+202#15227#15025
20K → Half796+73#15025#14952
Half → 25K31214+298#14952#14654
25K → 30K40224+378#14654#14276
30K → 20M17319+154#14276#14122
20M → 21M16429+135#14122#13987
21M → 35K8019+61#13987#13926
35K → 23M8294-12#13926#13938
23M → 24M5586-31#13938#13969
24M → 40K39175-136#13969#14105
40K → 25.2M1862-44#14105#14149
25.2M → Finish24202-178#14149#14327
TOTALS3034943+2091

Passing Charts

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support