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BOSTON MARATHON 2023

Stephanie Walker

Bib: 32075•F

MA

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
26:56
Rank: #18696
Start → 5K
26:56 | 8:40/mi
10K· 6.21 mi
52:25
Rank: #17452 (+1244)
5K → 10K
25:29 | 8:12/mi
15K· 9.32 mi
1:18:43
Rank: #17499 (-47)
10K → 15K
26:18 | 8:28/mi
20K· 12.43 mi
1:48:27
Rank: #18943 (-1444)
15K → 20K
29:44 | 9:34/mi
Half· 13.11 mi
1:54:27
Rank: #18977 (-34)
20K → Half
6:00 | 8:48/mi
25K· 15.53 mi
2:17:13
Rank: #19279 (-302)
Half → 25K
22:46 | 9:23/mi
30K· 18.64 mi
2:49:59
Rank: #20148 (-869)
25K → 30K
32:46 | 10:33/mi
20M
3:04:19
Rank: #20307 (-159)
30K → 20M
14:20 | 10:33/mi
21M
3:15:19
Rank: #20334 (-27)
20M → 21M
11:00 | 11:00/mi
35K· 21.75 mi
3:23:04
Rank: #20407 (-73)
21M → 35K
7:45 | 10:22/mi
23M
3:36:00
Rank: #20436 (-29)
35K → 23M
12:56 | 10:20/mi
24M
3:46:13
Rank: #20475 (-39)
23M → 24M
10:13 | 10:13/mi
40K· 24.85 mi
3:55:00
Rank: #20476 (-1)
24M → 40K
8:47 | 10:16/mi
25.2M
3:58:39
Rank: #20446 (+30)
40K → 25.2M
3:39 | 10:35/mi
Finish· 26.22 mi
4:08:05
Rank: #20411 (+35)
25.2M → Finish
9:26 | 9:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:27
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time2:13:38
Pace10:12 /mi
📊Positive Split: 16.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:5026:568:4026:56
8:40
-
10K
6.21 mi12:12:1952:258:2625:29
8:12
-0:28
15K
9.32 mi12:38:371:18:438:2726:18
8:28
+0:16
20K
12.43 mi13:08:211:48:278:4429:44
9:34
+1:06
Half
13.11 mi13:14:211:54:278:446:00
8:48
-0:46
25K
15.53 mi13:37:072:17:138:5022:46
9:23
+0:35
30K
18.64 mi14:09:532:49:599:0732:46
10:33
+1:10
20M
20.00 mi14:24:133:04:199:1314:20
10:33
0:00
21M
21.00 mi14:35:133:15:199:1811:00
11:00
+0:27
35K
21.75 mi14:42:583:23:049:207:45
10:22
-0:38
23M
23.00 mi14:55:543:36:009:2312:56
10:20
-0:02
24M
24.00 mi15:06:073:46:139:2610:13
10:13
-0:07
40K
24.85 mi15:14:543:55:009:278:47
10:16
+0:03
25.2M
25.20 mi15:18:333:58:399:283:39
10:35
+0:19
Finish
26.22 mi15:27:594:08:059:289:26
9:15
-1:20

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

8:12 /mi

Average Pace

9:28 /mi

Slowest Pace

11:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:39

59% of race

Time at Steady Pace

1:30:26

36% of race

Time at Slower Pace

11:00

4% of race

Average Pace: 9:28 /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 mi11:46:5026:568:4026:56
8:40
#18696
10K
6.21 mi12:12:1952:258:2625:29
8:12
#17452
15K
9.32 mi12:38:371:18:438:2726:18
8:28
#17499
20K
12.43 mi13:08:211:48:278:4429:44
9:34
#18943
Half
13.11 mi13:14:211:54:278:446:00
8:48
#18977
25K
15.53 mi13:37:072:17:138:5022:46
9:23
#19279
30K
18.64 mi14:09:532:49:599:0732:46
10:33
#20148
20M
20.00 mi14:24:133:04:199:1314:20
10:33
#20307
21M
21.00 mi14:35:133:15:199:1811:00
11:00
#20334
35K
21.75 mi14:42:583:23:049:207:45
10:22
#20407
23M
23.00 mi14:55:543:36:009:2312:56
10:20
#20436
24M
24.00 mi15:06:073:46:139:2610:13
10:13
#20475
40K
24.85 mi15:14:543:55:009:278:47
10:16
#20476
25.2M
25.20 mi15:18:333:58:399:283:39
10:35
#20446
Finish
26.22 mi15:27:594:08:059:289:26
9:15
#20411
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi186967001700117587(Top 66%)6268(Top 55%)6268(Top 128%)
10K6.21 mi3.10 mi17452+12446199+8026199+80216287(Top 61%)5453(Top 48%)5453(Top 112%)
15K9.32 mi3.11 mi17499-476216-176216-1717587(Top 66%)6268(Top 55%)6268(Top 128%)
20K12.43 mi3.11 mi18943-14447089-8737089-87321763(Top 82%)8661(Top 76%)8661(Top 177%)
Half13.11 mi0.68 mi18977-347110-217110-2119522(Top 73%)7400(Top 65%)7400(Top 152%)
25K15.53 mi2.42 mi19279-3027292-1827292-18220493(Top 77%)7985(Top 70%)7985(Top 163%)
30K18.64 mi3.11 mi20148-8697813-5217813-52122303(Top 84%)9073(Top 79%)9073(Top 186%)
20M20.00 mi1.36 mi20307-1597919-1067919-10621846(Top 82%)8892(Top 78%)8892(Top 182%)
21M21.00 mi1.00 mi20334-277942-237942-2320835(Top 78%)8371(Top 73%)8371(Top 171%)
35K21.75 mi0.75 mi20407-737990-487990-4822129(Top 83%)9121(Top 80%)9121(Top 187%)
23M23.00 mi1.25 mi20436-298018-288018-2820904(Top 79%)8464(Top 74%)8464(Top 173%)
24M24.00 mi1.00 mi20475-398048-308048-3021375(Top 80%)8769(Top 77%)8769(Top 180%)
40K24.85 mi0.85 mi20476-18053-58053-520676(Top 78%)8427(Top 74%)8427(Top 173%)
25.2M25.20 mi0.35 mi20446+308044+98044+919401(Top 73%)7735(Top 68%)7735(Top 158%)
Finish26.22 mi1.02 mi20411+358035+98035+919209(Top 72%)7563(Top 66%)7563(Top 155%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

17587

Females

6268

F18-39

6268

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

16287

Females

5453

F18-39

5453

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

17587

Females

6268

F18-39

6268

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

21763

Females

8661

F18-39

8661

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

19522

Females

7400

F18-39

7400

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

20493

Females

7985

F18-39

7985

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

22303

Females

9073

F18-39

9073

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

21846

Females

8892

F18-39

8892

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

20835

Females

8371

F18-39

8371

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

22129

Females

9121

F18-39

9121

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

20904

Females

8464

F18-39

8464

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

21375

Females

8769

F18-39

8769

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20676

Females

8427

F18-39

8427

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19401

Females

7735

F18-39

7735

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

19209

Females

7563

F18-39

7563

Passing Analysis

Category:
Athletes Passed
1968
Passed By
3683
Net Change
-1715
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18696
5K → 10K131369+1244#18696#17452
10K → 15K170217-47#17452#17499
15K → 20K181462-1444#17499#18943
20K → Half1650-34#18943#18977
Half → 25K60362-302#18977#19279
25K → 30K28897-869#19279#20148
30K → 20M43202-159#20148#20307
20M → 21M6188-27#20307#20334
21M → 35K29102-73#20334#20407
35K → 23M5988-29#20407#20436
23M → 24M2867-39#20436#20475
24M → 40K4344-1#20475#20476
40K → 25.2M4010+30#20476#20446
25.2M → Finish6025+35#20446#20411
TOTALS19683683-1715
📊

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