Boston Marathon logo
BOSTON MARATHON 2023

Dara Oneil

Bib: 26383•F

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
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
9:27/mi
29:23
↑ 97↓ 3451.5%
10K· 6.21 mi
9:12/mi
57:57
↑ 79↓ 1380.4%
15K· 9.32 mi
9:08/mi
1:26:19
↑ 67↓ 78
20K· 12.43 mi
9:07/mi
1:54:39
↑ 106↓ 860.1%
Half· 13.11 mi
9:04/mi
2:00:50
↑ 19↓ 370.5%
25K· 15.53 mi
9:09/mi
2:23:00
↑ 66↓ 880.2%
30K· 18.64 mi
9:21/mi
2:52:04
↑ 181↓ 1480.2%
20M
9:10/mi
3:04:32
↑ 64↓ 500.2%
21M
9:42/mi
3:14:14
↑ 106↓ 241.6%
35K· 21.75 mi
9:03/mi
3:21:00
↑ 17↓ 861.7%
23M
9:21/mi
3:32:43
↑ 23↓ 630.6%
24M
9:02/mi
3:41:45
↓ 821.3%
40K· 24.85 mi
9:07/mi
3:49:33
↓ 200.3%
25.2M
11:13/mi
3:53:25
↑ 13↓ 160.2%
Finish· 26.22 mi
9:34/mi
4:03:10
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:50
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time2:02:20
Pace9:20 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:0029:239:2729:23
9:27
-
10K
6.21 mi12:14:3457:579:2028:34
9:12
-0:15
15K
9.32 mi12:42:561:26:199:1628:22
9:08
-0:04
20K
12.43 mi13:11:161:54:399:1428:20
9:07
-0:01
Half
13.11 mi13:17:272:00:509:136:11
9:04
-0:03
25K
15.53 mi13:39:372:23:009:1222:10
9:09
+0:05
30K
18.64 mi14:08:412:52:049:1429:04
9:21
+0:12
20M
20.00 mi14:21:093:04:329:1412:28
9:10
-0:11
21M
21.00 mi14:30:513:14:149:159:42
9:42
+0:32
35K
21.75 mi14:37:373:21:009:156:46
9:03
-0:39
23M
23.00 mi14:49:203:32:439:1511:43
9:21
+0:18
24M
24.00 mi14:58:223:41:459:149:02
9:02
-0:19
40K
24.85 mi15:06:103:49:339:147:48
9:07
+0:05
25.2M
25.20 mi15:10:023:53:259:163:52
11:13
+2:06
Finish
26.22 mi15:19:474:03:109:179:45
9:34
-1:39

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

9:02 /mi

Average Pace

9:17 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:10:28

78% of race

Time at Slower Pace

52:42

22% of race

Average Pace: 9:16 /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 mi11:46:0029:239:2729:23
9:27
#21972
10K
6.21 mi12:14:3457:579:2028:34
9:12
#21816
15K
9.32 mi12:42:561:26:199:1628:22
9:08
#21571
20K
12.43 mi13:11:161:54:399:1428:20
9:07
#21270
Half
13.11 mi13:17:272:00:509:136:11
9:04
#21240
25K
15.53 mi13:39:372:23:009:1222:10
9:09
#20952
30K
18.64 mi14:08:412:52:049:1429:04
9:21
#20567
20M
20.00 mi14:21:093:04:329:1412:28
9:10
#20353
21M
21.00 mi14:30:513:14:149:159:42
9:42
#20151
35K
21.75 mi14:37:373:21:009:156:46
9:03
#20083
23M
23.00 mi14:49:203:32:439:1511:43
9:21
#19927
24M
24.00 mi14:58:223:41:459:149:02
9:02
#19831
40K
24.85 mi15:06:103:49:339:147:48
9:07
#19723
25.2M
25.20 mi15:10:023:53:259:163:52
11:13
#19751
Finish
26.22 mi15:19:474:03:109:179:45
9:34
#19779
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi219728865886521068(Top 79%)8270(Top 72%)8270(Top 440%)
10K6.21 mi3.10 mi21816+1568751+1148751+11421608(Top 81%)8603(Top 75%)8603(Top 458%)
15K9.32 mi3.11 mi21571+2458600+1518600+15121068(Top 79%)8270(Top 72%)8270(Top 440%)
20K12.43 mi3.11 mi21270+3018416+1848416+18420233(Top 76%)7802(Top 68%)7802(Top 415%)
Half13.11 mi0.68 mi21240+308393+238393+2320710(Top 78%)8072(Top 71%)8072(Top 430%)
25K15.53 mi2.42 mi20952+2888235+1588235+15819594(Top 74%)7473(Top 65%)7473(Top 398%)
30K18.64 mi3.11 mi20567+3858045+1908045+19018859(Top 71%)7118(Top 62%)7118(Top 379%)
20M20.00 mi1.36 mi20353+2147943+1027943+10217452(Top 66%)6431(Top 56%)6431(Top 342%)
21M21.00 mi1.00 mi20151+2027841+1027841+10216880(Top 63%)6127(Top 54%)6127(Top 326%)
35K21.75 mi0.75 mi20083+687805+367805+3618113(Top 68%)6907(Top 60%)6907(Top 368%)
23M23.00 mi1.25 mi19927+1567723+827723+8217781(Top 67%)6742(Top 59%)6742(Top 359%)
24M24.00 mi1.00 mi19831+967669+547669+5417416(Top 65%)6595(Top 58%)6595(Top 351%)
40K24.85 mi0.85 mi19723+1087618+517618+5116776(Top 63%)6288(Top 55%)6288(Top 335%)
25.2M25.20 mi0.35 mi19751-287640-227640-2220956(Top 79%)8562(Top 75%)8562(Top 456%)
Finish26.22 mi1.02 mi19779-287659-197659-1920367(Top 77%)8224(Top 72%)8224(Top 438%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

21068

Females

8270

F40-44

8270

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

21608

Females

8603

F40-44

8603

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

21068

Females

8270

F40-44

8270

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

20233

Females

7802

F40-44

7802

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

20710

Females

8072

F40-44

8072

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

19594

Females

7473

F40-44

7473

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18859

Females

7118

F40-44

7118

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

17452

Females

6431

F40-44

6431

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16880

Females

6127

F40-44

6127

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

18113

Females

6907

F40-44

6907

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

17781

Females

6742

F40-44

6742

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

17416

Females

6595

F40-44

6595

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16776

Females

6288

F40-44

6288

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20956

Females

8562

F40-44

8562

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

20367

Females

8224

F40-44

8224

Passing Analysis

Category:
Athletes Passed
2683
Passed By
490
Net Change
+2193
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21972
5K → 10K350194+156#21972#21816
10K → 15K31570+245#21816#21571
15K → 20K33837+301#21571#21270
20K → Half399+30#21270#21240
Half → 25K2957+288#21240#20952
25K → 30K39712+385#20952#20567
30K → 20M2206+214#20567#20353
20M → 21M2086+202#20353#20151
21M → 35K768+68#20151#20083
35K → 23M16913+156#20083#19927
23M → 24M10913+96#19927#19831
24M → 40K11810+108#19831#19723
40K → 25.2M1038-28#19723#19751
25.2M → Finish3967-28#19751#19779
TOTALS2683490+2193
📊

Passing Visuals

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing