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BOSTON MARATHON 2023

Mary Morrison

Bib: 26599•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:30
Rank: #22086
Start → 5K
29:30 | 9:30/mi
10K· 6.21 mi
58:41
Rank: #22188 (-102)
5K → 10K
29:11 | 9:24/mi
15K· 9.32 mi
1:28:35
Rank: #22332 (-144)
10K → 15K
29:54 | 9:37/mi
20K· 12.43 mi
1:58:21
Rank: #22192 (+140)
15K → 20K
29:46 | 9:35/mi
Half· 13.11 mi
2:04:57
Rank: #22203 (-11)
20K → Half
6:36 | 9:40/mi
25K· 15.53 mi
2:28:54
Rank: #22156 (+47)
Half → 25K
23:57 | 9:53/mi
30K· 18.64 mi
3:00:37
Rank: #22026 (+130)
25K → 30K
31:43 | 10:13/mi
20M
3:14:37
Rank: #21964 (+62)
30K → 20M
14:00 | 10:18/mi
21M
3:25:48
Rank: #21928 (+36)
20M → 21M
11:11 | 11:11/mi
35K· 21.75 mi
3:34:01
Rank: #22007 (-79)
21M → 35K
8:13 | 10:59/mi
23M
3:47:24
Rank: #21982 (+25)
35K → 23M
13:23 | 10:41/mi
24M
3:57:25
Rank: #21931 (+51)
23M → 24M
10:01 | 10:01/mi
40K· 24.85 mi
4:06:06
Rank: #21868 (+63)
24M → 40K
8:41 | 10:09/mi
25.2M
4:10:03
Rank: #21870 (-2)
40K → 25.2M
3:57 | 11:27/mi
Finish· 26.22 mi
4:20:09
Rank: #21851 (+19)
25.2M → Finish
10:06 | 9:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:57
Pace9:32 /mi
2nd Half
Distance13.11 mi
Time2:15:12
Pace10:19 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:3629:309:3029:30
9:30
-
10K
6.21 mi12:17:4758:419:2729:11
9:24
-0:06
15K
9.32 mi12:47:411:28:359:3029:54
9:37
+0:13
20K
12.43 mi13:17:271:58:219:3129:46
9:35
-0:02
Half
13.11 mi13:24:032:04:579:326:36
9:40
+0:05
25K
15.53 mi13:48:002:28:549:3523:57
9:53
+0:13
30K
18.64 mi14:19:433:00:379:4131:43
10:13
+0:20
20M
20.00 mi14:33:433:14:379:4414:00
10:18
+0:05
21M
21.00 mi14:44:543:25:489:4811:11
11:11
+0:53
35K
21.75 mi14:53:073:34:019:508:13
10:59
-0:12
23M
23.00 mi15:06:303:47:249:5313:23
10:41
-0:18
24M
24.00 mi15:16:313:57:259:5410:01
10:01
-0:40
40K
24.85 mi15:25:124:06:069:548:41
10:09
+0:08
25.2M
25.20 mi15:29:094:10:039:553:57
11:27
+1:18
Finish
26.22 mi15:39:154:20:099:5610:06
9:55
-1:32

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

9:24 /mi

Average Pace

9:56 /mi

Slowest Pace

11:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:57

48% of race

Time at Steady Pace

1:38:28

38% of race

Time at Slower Pace

36:44

14% of race

Average Pace: 9:55 /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 mi11:48:3629:309:3029:30
9:30
#22086
10K
6.21 mi12:17:4758:419:2729:11
9:24
#22188
15K
9.32 mi12:47:411:28:359:3029:54
9:37
#22332
20K
12.43 mi13:17:271:58:219:3129:46
9:35
#22192
Half
13.11 mi13:24:032:04:579:326:36
9:40
#22203
25K
15.53 mi13:48:002:28:549:3523:57
9:53
#22156
30K
18.64 mi14:19:433:00:379:4131:43
10:13
#22026
20M
20.00 mi14:33:433:14:379:4414:00
10:18
#21964
21M
21.00 mi14:44:543:25:489:4811:11
11:11
#21928
35K
21.75 mi14:53:073:34:019:508:13
10:59
#22007
23M
23.00 mi15:06:303:47:249:5313:23
10:41
#21982
24M
24.00 mi15:16:313:57:259:5410:01
10:01
#21931
40K
24.85 mi15:25:124:06:069:548:41
10:09
#21868
25.2M
25.20 mi15:29:094:10:039:553:57
11:27
#21870
Finish
26.22 mi15:39:154:20:099:5610:06
9:55
#21851
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi220868919891922587(Top 85%)9122(Top 80%)9122(Top 187%)
10K6.21 mi3.10 mi22188-1028945-268945-2622201(Top 83%)8924(Top 78%)8924(Top 183%)
15K9.32 mi3.11 mi22332-1449006-619006-6122587(Top 85%)9122(Top 80%)9122(Top 187%)
20K12.43 mi3.11 mi22192+1408932+748932+7421801(Top 82%)8681(Top 76%)8681(Top 178%)
Half13.11 mi0.68 mi22203-118941-98941-922598(Top 85%)9129(Top 80%)9129(Top 187%)
25K15.53 mi2.42 mi22156+478915+268915+2621929(Top 82%)8798(Top 77%)8798(Top 180%)
30K18.64 mi3.11 mi22026+1308846+698846+6921546(Top 81%)8652(Top 76%)8652(Top 177%)
20M20.00 mi1.36 mi21964+628824+228824+2221284(Top 80%)8573(Top 75%)8573(Top 176%)
21M21.00 mi1.00 mi21928+368816+88816+821241(Top 80%)8595(Top 75%)8595(Top 176%)
35K21.75 mi0.75 mi22007-798864-488864-4823284(Top 87%)9747(Top 85%)9747(Top 200%)
23M23.00 mi1.25 mi21982+258856+88856+821735(Top 82%)8925(Top 78%)8925(Top 183%)
24M24.00 mi1.00 mi21931+518839+178839+1720851(Top 78%)8467(Top 74%)8467(Top 173%)
40K24.85 mi0.85 mi21868+638824+158824+1520398(Top 77%)8279(Top 72%)8279(Top 170%)
25.2M25.20 mi0.35 mi21870-28827-38827-321489(Top 81%)8855(Top 78%)8855(Top 181%)
Finish26.22 mi1.02 mi21851+198829-28829-221524(Top 81%)8859(Top 78%)8859(Top 181%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

22587

Females

9122

F18-39

9122

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

22201

Females

8924

F18-39

8924

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

22587

Females

9122

F18-39

9122

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

21801

Females

8681

F18-39

8681

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22598

Females

9129

F18-39

9129

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

21929

Females

8798

F18-39

8798

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

21546

Females

8652

F18-39

8652

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21284

Females

8573

F18-39

8573

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

21241

Females

8595

F18-39

8595

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23284

Females

9747

F18-39

9747

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

21735

Females

8925

F18-39

8925

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

20851

Females

8467

F18-39

8467

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20398

Females

8279

F18-39

8279

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21489

Females

8855

F18-39

8855

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

21524

Females

8859

F18-39

8859

Passing Analysis

Category:
Athletes Passed
1308
Passed By
1073
Net Change
+235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22086
5K → 10K196298-102#22086#22188
10K → 15K111255-144#22188#22332
15K → 20K20868+140#22332#22192
20K → Half1930-11#22192#22203
Half → 25K12679+47#22203#22156
25K → 30K20575+130#22156#22026
30K → 20M9533+62#22026#21964
20M → 21M8145+36#21964#21928
21M → 35K1089-79#21928#22007
35K → 23M6035+25#22007#21982
23M → 24M6312+51#21982#21931
24M → 40K7411+63#21931#21868
40K → 25.2M1315-2#21868#21870
25.2M → Finish4728+19#21870#21851
TOTALS13081073+235
📊

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