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BOSTON MARATHON 2023

Heather O'Kane

Bib: 31024•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
9:49/mi
30:31
↑ 97↓ 3451.5%
10K· 6.21 mi
9:36/mi
1:00:19
↑ 79↓ 1380.4%
15K· 9.32 mi
9:45/mi
1:30:38
↑ 67↓ 78
20K· 12.43 mi
10:51/mi
2:04:21
↑ 106↓ 860.1%
Half· 13.11 mi
10:14/mi
2:11:20
↑ 19↓ 370.5%
25K· 15.53 mi
11:30/mi
2:39:14
↑ 66↓ 880.2%
30K· 18.64 mi
13:07/mi
3:19:58
↑ 181↓ 1480.2%
20M
14:22/mi
3:39:30
↑ 64↓ 500.2%
21M
15:24/mi
3:54:54
↑ 106↓ 241.6%
35K· 21.75 mi
13:10/mi
4:04:45
↑ 17↓ 861.7%
23M
13:51/mi
4:22:05
↑ 23↓ 630.6%
24M
12:37/mi
4:34:42
↓ 821.3%
40K· 24.85 mi
15:23/mi
4:47:51
↓ 200.3%
25.2M
15:22/mi
4:53:09
↑ 13↓ 160.2%
Finish· 26.22 mi
11:51/mi
5:05:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:20
Pace10:01 /mi
2nd Half
Distance13.11 mi
Time2:53:54
Pace13:16 /mi
📊Positive Split: 32.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1730:319:4930:31
9:49
-
10K
6.21 mi12:20:051:00:199:4229:48
9:36
-0:13
15K
9.32 mi12:50:241:30:389:4330:19
9:45
+0:09
20K
12.43 mi13:24:072:04:2110:0033:43
10:51
+1:06
Half
13.11 mi13:31:062:11:2010:016:59
10:14
-0:37
25K
15.53 mi13:59:002:39:1410:1527:54
11:30
+1:16
30K
18.64 mi14:39:443:19:5810:4440:44
13:07
+1:37
20M
20.00 mi14:59:163:39:3010:5819:32
14:22
+1:15
21M
21.00 mi15:14:403:54:5411:1115:24
15:24
+1:02
35K
21.75 mi15:24:314:04:4511:159:51
13:10
-2:14
23M
23.00 mi15:41:514:22:0511:2417:20
13:51
+0:41
24M
24.00 mi15:54:284:34:4211:2712:37
12:37
-1:14
40K
24.85 mi16:07:374:47:5111:3513:09
15:23
+2:46
25.2M
25.20 mi16:12:554:53:0911:385:18
15:22
-0:01
Finish
26.22 mi16:25:005:05:1411:3912:05
11:51
-3:31

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

9:36 /mi

Average Pace

11:39 /mi

Slowest Pace

15:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:14

52% of race

Time at Steady Pace

1:15:17

25% of race

Time at Slower Pace

1:10:43

23% of race

Average Pace: 11:38 /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 mi11:50:1730:319:4930:31
9:49
#22989
10K
6.21 mi12:20:051:00:199:4229:48
9:36
#22929
15K
9.32 mi12:50:241:30:389:4330:19
9:45
#22954
20K
12.43 mi13:24:072:04:2110:0033:43
10:51
#23430
Half
13.11 mi13:31:062:11:2010:016:59
10:14
#23448
25K
15.53 mi13:59:002:39:1410:1527:54
11:30
#23683
30K
18.64 mi14:39:443:19:5810:4440:44
13:07
#24218
20M
20.00 mi14:59:163:39:3010:5819:32
14:22
#24492
21M
21.00 mi15:14:403:54:5411:1115:24
15:24
#24682
35K
21.75 mi15:24:314:04:4511:159:51
13:10
#24736
23M
23.00 mi15:41:514:22:0511:2417:20
13:51
#24844
24M
24.00 mi15:54:284:34:4211:2712:37
12:37
#24875
40K
24.85 mi16:07:374:47:5111:3513:09
15:23
#25014
25.2M
25.20 mi16:12:554:53:0911:385:18
15:22
#25044
Finish
26.22 mi16:25:005:05:1411:3912:05
11:51
#25050
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi229899386938622949(Top 86%)9316(Top 82%)9316(Top 772%)
10K6.21 mi3.10 mi22929+609320+669320+6622782(Top 86%)9224(Top 81%)9224(Top 764%)
15K9.32 mi3.11 mi22954-259332-129332-1222949(Top 86%)9316(Top 82%)9316(Top 772%)
20K12.43 mi3.11 mi23430-4769567-2359567-23524402(Top 92%)10151(Top 89%)10151(Top 841%)
Half13.11 mi0.68 mi23448-189577-109577-1023761(Top 89%)9782(Top 86%)9782(Top 810%)
25K15.53 mi2.42 mi23683-2359725-1489725-14824682(Top 93%)10332(Top 90%)10332(Top 856%)
30K18.64 mi3.11 mi24218-53510056-33110056-33125499(Top 96%)10842(Top 95%)10842(Top 898%)
20M20.00 mi1.36 mi24492-27410208-15210208-15226033(Top 98%)11142(Top 98%)11142(Top 923%)
21M21.00 mi1.00 mi24682-19010319-11110319-11125958(Top 98%)11088(Top 97%)11088(Top 919%)
35K21.75 mi0.75 mi24736-5410356-3710356-3725691(Top 97%)10989(Top 96%)10989(Top 910%)
23M23.00 mi1.25 mi24844-10810431-7510431-7525727(Top 97%)11014(Top 96%)11014(Top 913%)
24M24.00 mi1.00 mi24875-3110460-2910460-2925178(Top 95%)10769(Top 94%)10769(Top 892%)
40K24.85 mi0.85 mi25014-13910537-7710537-7726277(Top 99%)11297(Top 99%)11297(Top 936%)
25.2M25.20 mi0.35 mi25044-3010559-2210559-2225880(Top 97%)11112(Top 97%)11112(Top 921%)
Finish26.22 mi1.02 mi25050-610565-610565-625112(Top 94%)10719(Top 94%)10719(Top 888%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

22949

Females

9316

F50-54

9316

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

22782

Females

9224

F50-54

9224

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

22949

Females

9316

F50-54

9316

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

24402

Females

10151

F50-54

10151

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23761

Females

9782

F50-54

9782

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

24682

Females

10332

F50-54

10332

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

25499

Females

10842

F50-54

10842

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

26033

Females

11142

F50-54

11142

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

25958

Females

11088

F50-54

11088

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

25691

Females

10989

F50-54

10989

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

25727

Females

11014

F50-54

11014

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

25178

Females

10769

F50-54

10769

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26277

Females

11297

F50-54

11297

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

25880

Females

11112

F50-54

11112

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

25112

Females

10719

F50-54

10719

Passing Analysis

Category:
Athletes Passed
541
Passed By
2602
Net Change
-2061
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22989
5K → 10K259199+60#22989#22929
10K → 15K135160-25#22929#22954
15K → 20K23499-476#22954#23430
20K → Half2038-18#23430#23448
Half → 25K25260-235#23448#23683
25K → 30K16551-535#23683#24218
30K → 20M6280-274#24218#24492
20M → 21M5195-190#24492#24682
21M → 35K963-54#24682#24736
35K → 23M9117-108#24736#24844
23M → 24M1344-31#24844#24875
24M → 40K3142-139#24875#25014
40K → 25.2M434-30#25014#25044
25.2M → Finish1420-6#25044#25050
TOTALS5412602-2061
📊

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