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BOSTON MARATHON 2023

Catherine Oconnor

Bib: 5630•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 14%
Gender (Female)
#0 / 11423
Top 2%
Masters (Masters Women)
#0 / 6539
Top 0.6%
Division (F40-44)
#0 / 1878
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:18
Rank: #5209
Start → 5K
21:18 | 6:51/mi
10K· 6.21 mi
42:10
Rank: #4837 (+372)
5K → 10K
20:52 | 6:43/mi
15K· 9.32 mi
1:03:01
Rank: #4624 (+213)
10K → 15K
20:52 | 6:43/mi
20K· 12.43 mi
1:23:50
Rank: #4318 (+306)
15K → 20K
20:49 | 6:42/mi
Half· 13.11 mi
1:28:21
Rank: #4267 (+51)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:44:46
Rank: #4170 (+97)
Half → 25K
16:25 | 6:46/mi
30K· 18.64 mi
2:06:06
Rank: #3989 (+181)
25K → 30K
21:20 | 6:52/mi
20M
2:15:30
Rank: #3929 (+60)
30K → 20M
9:24 | 6:55/mi
21M
2:22:48
Rank: #3867 (+62)
20M → 21M
7:18 | 7:18/mi
35K· 21.75 mi
2:27:48
Rank: #3846 (+21)
21M → 35K
5:00 | 6:41/mi
23M
2:36:32
Rank: #3803 (+43)
35K → 23M
8:44 | 6:59/mi
24M
2:43:22
Rank: #3796 (+7)
23M → 24M
6:50 | 6:50/mi
40K· 24.85 mi
2:49:32
Rank: #3860 (-64)
24M → 40K
6:10 | 7:13/mi
25.2M
2:52:07
Rank: #3853 (+7)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:58:59
Rank: #3861 (-8)
25.2M → Finish
6:52 | 6:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:21
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:30:38
Pace6:55 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5221:186:5121:18
6:51
-
10K
6.21 mi10:44:4442:106:4720:52
6:43
-0:08
15K
9.32 mi11:05:351:03:016:4620:52
6:43
0:00
20K
12.43 mi11:26:241:23:506:4520:49
6:42
-0:01
Half
13.11 mi11:30:551:28:216:444:31
6:37
-0:05
25K
15.53 mi11:47:201:44:466:4516:25
6:46
+0:09
30K
18.64 mi12:08:402:06:066:4621:20
6:52
+0:06
20M
20.00 mi12:18:042:15:306:469:24
6:55
+0:03
21M
21.00 mi12:25:222:22:486:487:18
7:18
+0:23
35K
21.75 mi12:30:222:27:486:485:00
6:41
-0:37
23M
23.00 mi12:39:062:36:326:488:44
6:59
+0:18
24M
24.00 mi12:45:562:43:226:486:50
6:50
-0:09
40K
24.85 mi12:52:062:49:326:496:10
7:13
+0:23
25.2M
25.20 mi12:54:412:52:076:502:35
7:29
+0:16
Finish
26.22 mi13:01:332:58:596:506:52
6:44
-0:45

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

6:37 /mi

Average Pace

6:50 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:06

94% of race

Time at Steady Pace

9:53

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:23:5221:186:5121:18
6:51
#5209
10K
6.21 mi10:44:4442:106:4720:52
6:43
#4837
15K
9.32 mi11:05:351:03:016:4620:52
6:43
#4624
20K
12.43 mi11:26:241:23:506:4520:49
6:42
#4318
Half
13.11 mi11:30:551:28:216:444:31
6:37
#4267
25K
15.53 mi11:47:201:44:466:4516:25
6:46
#4170
30K
18.64 mi12:08:402:06:066:4621:20
6:52
#3989
20M
20.00 mi12:18:042:15:306:469:24
6:55
#3929
21M
21.00 mi12:25:222:22:486:487:18
7:18
#3867
35K
21.75 mi12:30:222:27:486:485:00
6:41
#3846
23M
23.00 mi12:39:062:36:326:488:44
6:59
#3803
24M
24.00 mi12:45:562:43:226:486:50
6:50
#3796
40K
24.85 mi12:52:062:49:326:496:10
7:13
#3860
25.2M
25.20 mi12:54:412:52:076:502:35
7:29
#3853
Finish
26.22 mi13:01:332:58:596:506:52
6:44
#3861
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi52093803804261(Top 16%)265(Top 2%)265(Top 14%)
10K6.21 mi3.10 mi4837+372335+45335+454474(Top 17%)289(Top 3%)289(Top 15%)
15K9.32 mi3.11 mi4624+213307+28307+284261(Top 16%)265(Top 2%)265(Top 14%)
20K12.43 mi3.11 mi4318+306269+38269+383609(Top 14%)192(Top 2%)192(Top 10%)
Half13.11 mi0.68 mi4267+51267+2267+23699(Top 14%)214(Top 2%)214(Top 11%)
25K15.53 mi2.42 mi4170+97257+10257+103926(Top 15%)236(Top 2%)236(Top 13%)
30K18.64 mi3.11 mi3989+181230+27230+273453(Top 13%)206(Top 2%)206(Top 11%)
20M20.00 mi1.36 mi3929+60228+2228+23564(Top 13%)238(Top 2%)238(Top 13%)
21M21.00 mi1.00 mi3867+62223+5223+53645(Top 14%)266(Top 2%)266(Top 14%)
35K21.75 mi0.75 mi3846+21224-1224-13538(Top 13%)264(Top 2%)264(Top 14%)
23M23.00 mi1.25 mi3803+43221+3221+33688(Top 14%)284(Top 2%)284(Top 15%)
24M24.00 mi1.00 mi3796+7226-5226-53883(Top 15%)338(Top 3%)338(Top 18%)
40K24.85 mi0.85 mi3860-64235-9235-95009(Top 19%)665(Top 6%)665(Top 35%)
25.2M25.20 mi0.35 mi3853+72352353970(Top 15%)455(Top 4%)455(Top 24%)
Finish26.22 mi1.02 mi3861-82352353777(Top 14%)425(Top 4%)425(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4261

Females

265

F40-44

265

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4474

Females

289

F40-44

289

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4261

Females

265

F40-44

265

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3609

Females

192

F40-44

192

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3699

Females

214

F40-44

214

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3926

Females

236

F40-44

236

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3453

Females

206

F40-44

206

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3564

Females

238

F40-44

238

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3645

Females

266

F40-44

266

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3538

Females

264

F40-44

264

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3688

Females

284

F40-44

284

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

3883

Females

338

F40-44

338

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5009

Females

665

F40-44

665

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3970

Females

455

F40-44

455

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3777

Females

425

F40-44

425

Passing Analysis

Category:
Athletes Passed
1867
Passed By
519
Net Change
+1348
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5209
5K → 10K43765+372#5209#4837
10K → 15K24936+213#4837#4624
15K → 20K3137+306#4624#4318
20K → Half543+51#4318#4267
Half → 25K13639+97#4267#4170
25K → 30K21332+181#4170#3989
30K → 20M8929+60#3989#3929
20M → 21M9937+62#3929#3867
21M → 35K3918+21#3867#3846
35K → 23M7734+43#3846#3803
23M → 24M5245+7#3803#3796
24M → 40K3599-64#3796#3860
40K → 25.2M2922+7#3860#3853
25.2M → Finish4553-8#3853#3861
TOTALS1867519+1348
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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