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BOSTON MARATHON 2023

Lorna O'Donnell

Bib: 27724•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
33:56
Rank: #25569
Start → 5K
10:55/mi
33:56 split
10K· 6.21 mi
1:08:08
Rank: #25537 (+32)
5K → 10K
11:00/mi
34:12 split
15K· 9.32 mi
1:42:26
Rank: #25426 (+111)
10K → 15K
11:02/mi
34:18 split
20K· 12.43 mi
2:17:02
Rank: #25266 (+160)
15K → 20K
11:08/mi
34:36 split
Half· 13.11 mi
2:24:29
Rank: #25245 (+21)
20K → Half
10:55/mi
7:27 split
25K· 15.53 mi
2:52:12
Rank: #25129 (+116)
Half → 25K
11:26/mi
27:43 split
30K· 18.64 mi
3:29:35
Rank: #25026 (+103)
25K → 30K
12:02/mi
37:23 split
20M
3:46:11
Rank: #24989 (+37)
30K → 20M
12:13/mi
16:36 split
21M
3:59:11
Rank: #24951 (+38)
20M → 21M
13:00/mi
13:00 split
35K· 21.75 mi
4:08:10
Rank: #24955 (-4)
21M → 35K
12:00/mi
8:59 split
23M
4:22:53
Rank: #24904 (+51)
35K → 23M
11:45/mi
14:43 split
24M
4:33:47
Rank: #24829 (+75)
23M → 24M
10:54/mi
10:54 split
40K· 24.85 mi
4:44:09
Rank: #24811 (+18)
24M → 40K
12:08/mi
10:22 split
25.2M
4:48:20
Rank: #24803 (+8)
40K → 25.2M
12:08/mi
4:11 split
Finish· 26.22 mi
4:59:14
Rank: #24784 (+19)
25.2M → Finish
10:42/mi
10:54 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:24:29
Pace11:01 /mi
2nd Half
Distance13.11 mi
Time2:34:45
Pace11:48 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2033:5610:5533:56
10:55
-
10K
6.21 mi12:25:321:08:0810:5834:12
11:00
+0:05
15K
9.32 mi12:59:501:42:2610:5934:18
11:02
+0:02
20K
12.43 mi13:34:262:17:0211:0234:36
11:08
+0:06
Half
13.11 mi13:41:532:24:2911:017:27
10:55
-0:13
25K
15.53 mi14:09:362:52:1211:0527:43
11:26
+0:31
30K
18.64 mi14:46:593:29:3511:1537:23
12:02
+0:36
20M
20.00 mi15:03:353:46:1111:1916:36
12:13
+0:11
21M
21.00 mi15:16:353:59:1111:2313:00
13:00
+0:47
35K
21.75 mi15:25:344:08:1011:258:59
12:00
-1:00
23M
23.00 mi15:40:174:22:5311:2614:43
11:45
-0:15
24M
24.00 mi15:51:114:33:4711:2410:54
10:54
-0:51
40K
24.85 mi16:01:334:44:0911:2610:22
12:08
+1:14
25.2M
25.20 mi16:05:444:48:2011:274:11
12:08
0:00
Finish
26.22 mi16:16:384:59:1411:2510:54
10:42
-1:26

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

10:42 /mi

Average Pace

11:25 /mi

Slowest Pace

13:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:41

44% of race

Time at Steady Pace

1:17:02

26% of race

Time at Slower Pace

1:30:31

30% of race

Average Pace: 11:25 /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 mi11:51:2033:5610:5533:56
10:55
#25569
10K
6.21 mi12:25:321:08:0810:5834:12
11:00
#25537
15K
9.32 mi12:59:501:42:2610:5934:18
11:02
#25426
20K
12.43 mi13:34:262:17:0211:0234:36
11:08
#25266
Half
13.11 mi13:41:532:24:2911:017:27
10:55
#25245
25K
15.53 mi14:09:362:52:1211:0527:43
11:26
#25129
30K
18.64 mi14:46:593:29:3511:1537:23
12:02
#25026
20M
20.00 mi15:03:353:46:1111:1916:36
12:13
#24989
21M
21.00 mi15:16:353:59:1111:2313:00
13:00
#24951
35K
21.75 mi15:25:344:08:1011:258:59
12:00
#24955
23M
23.00 mi15:40:174:22:5311:2614:43
11:45
#24904
24M
24.00 mi15:51:114:33:4711:2410:54
10:54
#24829
40K
24.85 mi16:01:334:44:0911:2610:22
12:08
#24811
25.2M
25.20 mi16:05:444:48:2011:274:11
12:08
#24803
Finish
26.22 mi16:16:384:59:1411:2510:54
10:42
#24784
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi25569107671076725245(Top 95%)10596(Top 93%)10596(Top 2011%)
10K6.21 mi3.10 mi25537+3210759+810759+825479(Top 96%)10715(Top 94%)10715(Top 2033%)
15K9.32 mi3.11 mi25426+11110688+7110688+7125245(Top 95%)10596(Top 93%)10596(Top 2011%)
20K12.43 mi3.11 mi25266+16010605+8310605+8324797(Top 93%)10364(Top 91%)10364(Top 1967%)
Half13.11 mi0.68 mi25245+2110596+910596+924842(Top 93%)10408(Top 91%)10408(Top 1975%)
25K15.53 mi2.42 mi25129+11610541+5510541+5524577(Top 92%)10272(Top 90%)10272(Top 1949%)
30K18.64 mi3.11 mi25026+10310500+4110500+4124537(Top 92%)10305(Top 90%)10305(Top 1955%)
20M20.00 mi1.36 mi24989+3710491+910491+924454(Top 92%)10313(Top 90%)10313(Top 1957%)
21M21.00 mi1.00 mi24951+3810483+810483+824083(Top 90%)10138(Top 89%)10138(Top 1924%)
35K21.75 mi0.75 mi24955-410486-310486-324693(Top 93%)10500(Top 92%)10500(Top 1992%)
23M23.00 mi1.25 mi24904+5110466+2010466+2023661(Top 89%)9934(Top 87%)9934(Top 1885%)
24M24.00 mi1.00 mi24829+7510430+3610430+3622874(Top 86%)9571(Top 84%)9571(Top 1816%)
40K24.85 mi0.85 mi24811+1810425+510425+524050(Top 90%)10203(Top 89%)10203(Top 1936%)
25.2M25.20 mi0.35 mi24803+8104251042522690(Top 85%)9507(Top 83%)9507(Top 1804%)
Finish26.22 mi1.02 mi24784+1910418+710418+723426(Top 88%)9871(Top 86%)9871(Top 1873%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

25245

Females

10596

F60-64

10596

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

25479

Females

10715

F60-64

10715

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

25245

Females

10596

F60-64

10596

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

24797

Females

10364

F60-64

10364

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

24842

Females

10408

F60-64

10408

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

24577

Females

10272

F60-64

10272

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

24537

Females

10305

F60-64

10305

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

24454

Females

10313

F60-64

10313

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

24083

Females

10138

F60-64

10138

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

24693

Females

10500

F60-64

10500

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

23661

Females

9934

F60-64

9934

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22874

Females

9571

F60-64

9571

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

24050

Females

10203

F60-64

10203

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22690

Females

9507

F60-64

9507

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

23426

Females

9871

F60-64

9871

Passing Analysis

Category:
Athletes Passed
1176
Passed By
391
Net Change
+785
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25569
5K → 10K156124+32#25569#25537
10K → 15K16352+111#25537#25426
15K → 20K18323+160#25426#25266
20K → Half287+21#25266#25245
Half → 25K14327+116#25245#25129
25K → 30K13633+103#25129#25026
30K → 20M5821+37#25026#24989
20M → 21M6426+38#24989#24951
21M → 35K2327-4#24951#24955
35K → 23M6211+51#24955#24904
23M → 24M783+75#24904#24829
24M → 40K3517+18#24829#24811
40K → 25.2M168+8#24811#24803
25.2M → Finish3112+19#24803#24784
TOTALS1176391+785
📊

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