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BOSTON MARATHON 2023

Elizabeth Stevenson

Bib: 18822•F

BC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 32%
Division (F18-39)
#0 / 4884
Top 50%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:38
Rank: #13520
Start → 5K
24:38 | 7:56/mi
10K· 6.21 mi
48:59
Rank: #13457 (+63)
5K → 10K
24:21 | 7:50/mi
15K· 9.32 mi
1:13:43
Rank: #13657 (-200)
10K → 15K
24:44 | 7:58/mi
20K· 12.43 mi
1:38:55
Rank: #13788 (-131)
15K → 20K
25:12 | 8:07/mi
Half· 13.11 mi
1:44:24
Rank: #13818 (-30)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:04:08
Rank: #13800 (+18)
Half → 25K
19:44 | 8:08/mi
30K· 18.64 mi
2:29:48
Rank: #13569 (+231)
25K → 30K
25:40 | 8:16/mi
20M
2:41:11
Rank: #13502 (+67)
30K → 20M
11:23 | 8:23/mi
21M
2:50:10
Rank: #13483 (+19)
20M → 21M
8:59 | 8:59/mi
35K· 21.75 mi
2:56:06
Rank: #13392 (+91)
21M → 35K
5:56 | 7:56/mi
23M
3:06:29
Rank: #13268 (+124)
35K → 23M
10:23 | 8:18/mi
24M
3:14:29
Rank: #13151 (+117)
23M → 24M
8:00 | 8:00/mi
40K· 24.85 mi
3:21:25
Rank: #13040 (+111)
24M → 40K
6:56 | 8:07/mi
25.2M
3:24:22
Rank: #12985 (+55)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:32:14
Rank: #12866 (+119)
25.2M → Finish
7:52 | 7:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:24
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:47:50
Pace8:14 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1524:387:5624:38
7:56
-
10K
6.21 mi11:40:3648:597:5324:21
7:50
-0:06
15K
9.32 mi12:05:201:13:437:5524:44
7:58
+0:08
20K
12.43 mi12:30:321:38:557:5825:12
8:07
+0:09
Half
13.11 mi12:36:011:44:247:585:29
8:02
-0:05
25K
15.53 mi12:55:452:04:087:5919:44
8:08
+0:06
30K
18.64 mi13:21:252:29:488:0225:40
8:16
+0:08
20M
20.00 mi13:32:482:41:118:0411:23
8:23
+0:07
21M
21.00 mi13:41:472:50:108:068:59
8:59
+0:36
35K
21.75 mi13:47:432:56:068:065:56
7:56
-1:03
23M
23.00 mi13:58:063:06:298:0610:23
8:18
+0:22
24M
24.00 mi14:06:063:14:298:068:00
8:00
-0:18
40K
24.85 mi14:13:023:21:258:066:56
8:07
+0:07
25.2M
25.20 mi14:15:593:24:228:072:57
8:33
+0:26
Finish
26.22 mi14:23:513:32:148:067:52
7:43
-0:50

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

7:43 /mi

Average Pace

8:06 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:18

94% of race

Time at Steady Pace

11:56

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:06 /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 mi11:16:1524:387:5624:38
7:56
#13520
10K
6.21 mi11:40:3648:597:5324:21
7:50
#13457
15K
9.32 mi12:05:201:13:437:5524:44
7:58
#13657
20K
12.43 mi12:30:321:38:557:5825:12
8:07
#13788
Half
13.11 mi12:36:011:44:247:585:29
8:02
#13818
25K
15.53 mi12:55:452:04:087:5919:44
8:08
#13800
30K
18.64 mi13:21:252:29:488:0225:40
8:16
#13569
20M
20.00 mi13:32:482:41:118:0411:23
8:23
#13502
21M
21.00 mi13:41:472:50:108:068:59
8:59
#13483
35K
21.75 mi13:47:432:56:068:065:56
7:56
#13392
23M
23.00 mi13:58:063:06:298:0610:23
8:18
#13268
24M
24.00 mi14:06:063:14:298:068:00
8:00
#13151
40K
24.85 mi14:13:023:21:258:066:56
8:07
#13040
25.2M
25.20 mi14:15:593:24:228:072:57
8:33
#12985
Finish
26.22 mi14:23:513:32:148:067:52
7:43
#12866
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi135203735373514093(Top 53%)4143(Top 36%)4143(Top 85%)
10K6.21 mi3.10 mi13457+633711+243711+2413476(Top 51%)3709(Top 32%)3709(Top 76%)
15K9.32 mi3.11 mi13657-2003857-1463857-14614093(Top 53%)4143(Top 36%)4143(Top 85%)
20K12.43 mi3.11 mi13788-1313958-1013958-10114306(Top 54%)4296(Top 38%)4296(Top 88%)
Half13.11 mi0.68 mi13818-303975-173975-1714765(Top 55%)4561(Top 40%)4561(Top 93%)
25K15.53 mi2.42 mi13800+183990-153990-1513822(Top 52%)4115(Top 36%)4115(Top 84%)
30K18.64 mi3.11 mi13569+2313883+1073883+10712780(Top 48%)3630(Top 32%)3630(Top 74%)
20M20.00 mi1.36 mi13502+673860+233860+2312903(Top 48%)3812(Top 33%)3812(Top 78%)
21M21.00 mi1.00 mi13483+193867-73867-713365(Top 50%)4151(Top 36%)4151(Top 85%)
35K21.75 mi0.75 mi13392+913827+403827+4011703(Top 44%)3281(Top 29%)3281(Top 67%)
23M23.00 mi1.25 mi13268+1243778+493778+4911890(Top 45%)3466(Top 30%)3466(Top 71%)
24M24.00 mi1.00 mi13151+1173740+383740+3811294(Top 42%)3253(Top 28%)3253(Top 67%)
40K24.85 mi0.85 mi13040+1113697+433697+4310832(Top 41%)3079(Top 27%)3079(Top 63%)
25.2M25.20 mi0.35 mi12985+553676+213676+2110040(Top 38%)2753(Top 24%)2753(Top 56%)
Finish26.22 mi1.02 mi12866+1193623+533623+5310160(Top 38%)2787(Top 24%)2787(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

14093

Females

4143

F18-39

4143

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

13476

Females

3709

F18-39

3709

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

14093

Females

4143

F18-39

4143

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

14306

Females

4296

F18-39

4296

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14765

Females

4561

F18-39

4561

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13822

Females

4115

F18-39

4115

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12780

Females

3630

F18-39

3630

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12903

Females

3812

F18-39

3812

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13365

Females

4151

F18-39

4151

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

11703

Females

3281

F18-39

3281

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

11890

Females

3466

F18-39

3466

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11294

Females

3253

F18-39

3253

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10832

Females

3079

F18-39

3079

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10040

Females

2753

F18-39

2753

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10160

Females

2787

F18-39

2787

Passing Analysis

Category:
Athletes Passed
2000
Passed By
1346
Net Change
+654
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13520
5K → 10K339276+63#13520#13457
10K → 15K128328-200#13457#13657
15K → 20K131262-131#13657#13788
20K → Half2050-30#13788#13818
Half → 25K136118+18#13818#13800
25K → 30K30574+231#13800#13569
30K → 20M12457+67#13569#13502
20M → 21M10182+19#13502#13483
21M → 35K10615+91#13483#13392
35K → 23M15632+124#13392#13268
23M → 24M14225+117#13268#13151
24M → 40K1209+111#13151#13040
40K → 25.2M594+55#13040#12985
25.2M → Finish13314+119#12985#12866
TOTALS20001346+654
📊

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