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BOSTON MARATHON 2023

Morna Fleming

Bib: 24483•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F70-74)
#0 / 62
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
9:56/mi
30:52
↑ 97↓ 3451.5%
10K· 6.21 mi
10:11/mi
1:02:30
↑ 79↓ 1380.4%
15K· 9.32 mi
9:55/mi
1:33:19
↑ 67↓ 78
20K· 12.43 mi
10:59/mi
2:07:26
↑ 106↓ 860.1%
Half· 13.11 mi
10:16/mi
2:14:26
↑ 19↓ 370.5%
25K· 15.53 mi
12:20/mi
2:44:21
↑ 66↓ 880.2%
30K· 18.64 mi
14:54/mi
3:30:39
↑ 181↓ 1480.2%
20M
11:52/mi
3:46:47
↑ 64↓ 500.2%
21M
13:20/mi
4:00:07
↑ 106↓ 241.6%
35K· 21.75 mi
11:39/mi
4:08:50
↑ 17↓ 861.7%
23M
13:31/mi
4:25:45
↑ 23↓ 630.6%
24M
14:53/mi
4:40:38
↓ 821.3%
40K· 24.85 mi
12:45/mi
4:51:32
↓ 200.3%
25.2M
13:44/mi
4:56:16
↑ 13↓ 160.2%
Finish· 26.22 mi
11:43/mi
5:08:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:26
Pace10:15 /mi
2nd Half
Distance13.11 mi
Time2:53:46
Pace13:15 /mi
📊Positive Split: 29.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:1830:529:5630:52
9:56
-
10K
6.21 mi12:17:561:02:3010:0431:38
10:11
+0:15
15K
9.32 mi12:48:451:33:1910:0130:49
9:55
-0:16
20K
12.43 mi13:22:522:07:2610:1534:07
10:59
+1:04
Half
13.11 mi13:29:522:14:2610:157:00
10:16
-0:43
25K
15.53 mi13:59:472:44:2110:3529:55
12:20
+2:04
30K
18.64 mi14:46:053:30:3911:1846:18
14:54
+2:34
20M
20.00 mi15:02:133:46:4711:2016:08
11:52
-3:02
21M
21.00 mi15:15:334:00:0711:2613:20
13:20
+1:28
35K
21.75 mi15:24:164:08:5011:278:43
11:39
-1:41
23M
23.00 mi15:41:114:25:4511:3316:55
13:31
+1:52
24M
24.00 mi15:56:044:40:3811:4214:53
14:53
+1:22
40K
24.85 mi16:06:584:51:3211:4410:54
12:45
-2:08
25.2M
25.20 mi16:11:424:56:1611:454:44
13:44
+0:59
Finish
26.22 mi16:23:385:08:1211:4611:56
11:43
-2:01

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

9:55 /mi

Average Pace

11:46 /mi

Slowest Pace

14:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:26

44% of race

Time at Steady Pace

1:06:42

22% of race

Time at Slower Pace

1:47:04

35% of race

Average Pace: 11:45 /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 mi11:46:1830:529:5630:52
9:56
#23302
10K
6.21 mi12:17:561:02:3010:0431:38
10:11
#23755
15K
9.32 mi12:48:451:33:1910:0130:49
9:55
#23639
20K
12.43 mi13:22:522:07:2610:1534:07
10:59
#23928
Half
13.11 mi13:29:522:14:2610:157:00
10:16
#23912
25K
15.53 mi13:59:472:44:2110:3529:55
12:20
#24318
30K
18.64 mi14:46:053:30:3911:1846:18
14:54
#25094
20M
20.00 mi15:02:133:46:4711:2016:08
11:52
#25023
21M
21.00 mi15:15:334:00:0711:2613:20
13:20
#25025
35K
21.75 mi15:24:164:08:5011:278:43
11:39
#25003
23M
23.00 mi15:41:114:25:4511:3316:55
13:31
#25052
24M
24.00 mi15:56:044:40:3811:4214:53
14:53
#25177
40K
24.85 mi16:06:584:51:3211:4410:54
12:45
#25168
25.2M
25.20 mi16:11:424:56:1611:454:44
13:44
#25172
Finish
26.22 mi16:23:385:08:1211:4611:56
11:43
#25172
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF70-74Seg. OverallSeg. FemalesSeg. F70-74
5K3.11 mi3.11 mi233029553955323357(Top 88%)9523(Top 83%)9523(Top 15360%)
10K6.21 mi3.10 mi23755-4539760-2079760-20724094(Top 91%)9941(Top 87%)9941(Top 16034%)
15K9.32 mi3.11 mi23639+1169696+649696+6423357(Top 88%)9523(Top 83%)9523(Top 15360%)
20K12.43 mi3.11 mi23928-2899849-1539849-15324615(Top 92%)10266(Top 90%)10266(Top 16558%)
Half13.11 mi0.68 mi23912+169842+79842+723803(Top 89%)9810(Top 86%)9810(Top 15823%)
25K15.53 mi2.42 mi24318-40610090-24810090-24825418(Top 95%)10743(Top 94%)10743(Top 17327%)
30K18.64 mi3.11 mi25094-77610541-45110541-45126396(Top 99%)11309(Top 99%)11309(Top 18240%)
20M20.00 mi1.36 mi25023+7110508+3310508+3324047(Top 90%)10109(Top 88%)10109(Top 16305%)
21M21.00 mi1.00 mi25025-210518-1010518-1024434(Top 92%)10310(Top 90%)10310(Top 16629%)
35K21.75 mi0.75 mi25003+22105181051824301(Top 91%)10290(Top 90%)10290(Top 16597%)
23M23.00 mi1.25 mi25052-4910553-3510553-3525507(Top 96%)10902(Top 95%)10902(Top 17584%)
24M24.00 mi1.00 mi25177-12510627-7410627-7426361(Top 99%)11319(Top 99%)11319(Top 18256%)
40K24.85 mi0.85 mi25168+910622+510622+524730(Top 93%)10538(Top 92%)10538(Top 16997%)
25.2M25.20 mi0.35 mi25172-410625-310625-324773(Top 93%)10578(Top 93%)10578(Top 17061%)
Finish26.22 mi1.02 mi2517210626-110626-124958(Top 94%)10643(Top 93%)10643(Top 17166%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

23357

Females

9523

F70-74

9523

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

24094

Females

9941

F70-74

9941

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

23357

Females

9523

F70-74

9523

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

24615

Females

10266

F70-74

10266

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23803

Females

9810

F70-74

9810

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

25418

Females

10743

F70-74

10743

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

26396

Females

11309

F70-74

11309

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

24047

Females

10109

F70-74

10109

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

24434

Females

10310

F70-74

10310

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24301

Females

10290

F70-74

10290

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

25507

Females

10902

F70-74

10902

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

26361

Females

11319

F70-74

11319

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

24730

Females

10538

F70-74

10538

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24773

Females

10578

F70-74

10578

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

24958

Females

10643

F70-74

10643

Passing Analysis

Category:
Athletes Passed
534
Passed By
2404
Net Change
-1870
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23302
5K → 10K52505-453#23302#23755
10K → 15K17761+116#23755#23639
15K → 20K39328-289#23639#23928
20K → Half3620+16#23928#23912
Half → 25K13419-406#23912#24318
25K → 30K3779-776#24318#25094
30K → 20M8615+71#25094#25023
20M → 21M3032-2#25023#25025
21M → 35K319+22#25025#25003
35K → 23M1564-49#25003#25052
23M → 24M2127-125#25052#25177
24M → 40K2314+9#25177#25168
40K → 25.2M59-4#25168#25172
25.2M → Finish22220#25172#25172
TOTALS5342404-1870
📊

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