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BOSTON MARATHON 2023

Mallory Rayner

Bib: 17695•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 29%
Gender (Female)
#0 / 11423
Top 11%
Division (F18-39)
#0 / 4884
Top 20%
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
6:53/mi
21:24
↑ 97↓ 3451.5%
10K· 6.21 mi
6:59/mi
43:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:13/mi
1:05:29
↑ 67↓ 78
20K· 12.43 mi
7:33/mi
1:28:55
↑ 106↓ 860.1%
Half· 13.11 mi
7:05/mi
1:33:45
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:52:00
↑ 66↓ 880.2%
30K· 18.64 mi
7:48/mi
2:16:14
↑ 181↓ 1480.2%
20M
7:59/mi
2:27:05
↑ 64↓ 500.2%
21M
8:24/mi
2:35:29
↑ 106↓ 241.6%
35K· 21.75 mi
7:33/mi
2:41:08
↑ 17↓ 861.7%
23M
7:56/mi
2:51:04
↑ 23↓ 630.6%
24M
7:42/mi
2:58:46
↓ 821.3%
40K· 24.85 mi
7:50/mi
3:05:28
↓ 200.3%
25.2M
7:44/mi
3:08:08
↑ 13↓ 160.2%
Finish· 26.22 mi
7:09/mi
3:15:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:45
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:41:40
Pace7:45 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:5321:246:5321:24
6:53
-
10K
6.21 mi11:33:3443:056:5621:41
6:59
+0:06
15K
9.32 mi11:55:581:05:297:0222:24
7:13
+0:14
20K
12.43 mi12:19:241:28:557:0923:26
7:33
+0:20
Half
13.11 mi12:24:141:33:457:094:50
7:05
-0:28
25K
15.53 mi12:42:291:52:007:1318:15
7:32
+0:27
30K
18.64 mi13:06:432:16:147:1824:14
7:48
+0:16
20M
20.00 mi13:17:342:27:057:2110:51
7:59
+0:11
21M
21.00 mi13:25:582:35:297:248:24
8:24
+0:25
35K
21.75 mi13:31:372:41:087:255:39
7:33
-0:51
23M
23.00 mi13:41:332:51:047:269:56
7:56
+0:23
24M
24.00 mi13:49:152:58:467:277:42
7:42
-0:14
40K
24.85 mi13:55:573:05:287:286:42
7:50
+0:08
25.2M
25.20 mi13:58:373:08:087:282:40
7:44
-0:06
Finish
26.22 mi14:05:543:15:257:287:17
7:09
-0:35

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

6:53 /mi

Average Pace

7:28 /mi

Slowest Pace

8:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:36

40% of race

Time at Steady Pace

57:42

30% of race

Time at Slower Pace

1:00:07

31% of race

Average Pace: 7:27 /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 mi11:11:5321:246:5321:24
6:53
#5489
10K
6.21 mi11:33:3443:056:5621:41
6:59
#6084
15K
9.32 mi11:55:581:05:297:0222:24
7:13
#6663
20K
12.43 mi12:19:241:28:557:0923:26
7:33
#7254
Half
13.11 mi12:24:141:33:457:094:50
7:05
#7244
25K
15.53 mi12:42:291:52:007:1318:15
7:32
#7436
30K
18.64 mi13:06:432:16:147:1824:14
7:48
#7695
20M
20.00 mi13:17:342:27:057:2110:51
7:59
#7828
21M
21.00 mi13:25:582:35:297:248:24
8:24
#7896
35K
21.75 mi13:31:372:41:087:255:39
7:33
#7929
23M
23.00 mi13:41:332:51:047:269:56
7:56
#7985
24M
24.00 mi13:49:152:58:467:277:42
7:42
#8010
40K
24.85 mi13:55:573:05:287:286:42
7:50
#7998
25.2M
25.20 mi13:58:373:08:087:282:40
7:44
#7948
Finish
26.22 mi14:05:543:15:257:287:17
7:09
#7853
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi54894214217873(Top 30%)1028(Top 9%)1028(Top 21%)
10K6.21 mi3.10 mi6084-595529-108529-1086692(Top 25%)676(Top 6%)676(Top 14%)
15K9.32 mi3.11 mi6663-579653-124653-1247873(Top 30%)1028(Top 9%)1028(Top 21%)
20K12.43 mi3.11 mi7254-591813-160813-1609654(Top 36%)1751(Top 15%)1751(Top 36%)
Half13.11 mi0.68 mi7244+10810+3810+37121(Top 27%)813(Top 7%)813(Top 17%)
25K15.53 mi2.42 mi7436-192873-63873-638983(Top 34%)1543(Top 14%)1543(Top 32%)
30K18.64 mi3.11 mi7695-2591000-1271000-1279364(Top 35%)1865(Top 16%)1865(Top 38%)
20M20.00 mi1.36 mi7828-1331067-671067-6710160(Top 38%)2300(Top 20%)2300(Top 47%)
21M21.00 mi1.00 mi7896-681105-381105-389859(Top 37%)2305(Top 20%)2305(Top 47%)
35K21.75 mi0.75 mi7929-331135-301135-308936(Top 34%)1873(Top 16%)1873(Top 38%)
23M23.00 mi1.25 mi7985-561183-481183-489304(Top 35%)2164(Top 19%)2164(Top 44%)
24M24.00 mi1.00 mi8010-251208-251208-259098(Top 34%)2142(Top 19%)2142(Top 44%)
40K24.85 mi0.85 mi7998+121222-141222-148916(Top 33%)2132(Top 19%)2132(Top 44%)
25.2M25.20 mi0.35 mi7948+501212+101212+105137(Top 19%)782(Top 7%)782(Top 16%)
Finish26.22 mi1.02 mi7853+951201+111201+116126(Top 23%)1108(Top 10%)1108(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

7873

Females

1028

F18-39

1028

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

6692

Females

676

F18-39

676

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

7873

Females

1028

F18-39

1028

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

9654

Females

1751

F18-39

1751

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7121

Females

813

F18-39

813

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

8983

Females

1543

F18-39

1543

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9364

Females

1865

F18-39

1865

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10160

Females

2300

F18-39

2300

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9859

Females

2305

F18-39

2305

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

8936

Females

1873

F18-39

1873

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9304

Females

2164

F18-39

2164

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9098

Females

2142

F18-39

2142

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8916

Females

2132

F18-39

2132

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5137

Females

782

F18-39

782

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6126

Females

1108

F18-39

1108

Passing Analysis

Category:
Athletes Passed
663
Passed By
3027
Net Change
-2364
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5489
5K → 10K35630-595#5489#6084
10K → 15K18597-579#6084#6663
15K → 20K15606-591#6663#7254
20K → Half2212+10#7254#7244
Half → 25K33225-192#7244#7436
25K → 30K72331-259#7436#7695
30K → 20M33166-133#7695#7828
20M → 21M46114-68#7828#7896
21M → 35K3265-33#7896#7929
35K → 23M68124-56#7929#7985
23M → 24M5580-25#7985#8010
24M → 40K6452+12#8010#7998
40K → 25.2M566+50#7998#7948
25.2M → Finish11419+95#7948#7853
TOTALS6633027-2364
📊

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