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BOSTON MARATHON 2023

Elizabeth Chouinard

Bib: 24948•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:45
Rank: #24005
Start → 5K
31:45 | 10:13/mi
10K· 6.21 mi
1:04:53
Rank: #24590 (-585)
5K → 10K
33:08 | 10:40/mi
15K· 9.32 mi
1:37:36
Rank: #24574 (+16)
10K → 15K
32:43 | 10:32/mi
20K· 12.43 mi
2:11:13
Rank: #24520 (+54)
15K → 20K
33:37 | 10:49/mi
Half· 13.11 mi
2:17:58
Rank: #24447 (+73)
20K → Half
6:45 | 9:54/mi
25K· 15.53 mi
2:45:06
Rank: #24411 (+36)
Half → 25K
27:08 | 11:11/mi
30K· 18.64 mi
3:22:10
Rank: #24442 (-31)
25K → 30K
37:04 | 11:56/mi
20M
3:38:54
Rank: #24449 (-7)
30K → 20M
16:44 | 12:19/mi
21M
3:53:53
Rank: #24593 (-144)
20M → 21M
14:59 | 14:59/mi
35K· 21.75 mi
4:02:59
Rank: #24611 (-18)
21M → 35K
9:06 | 12:10/mi
23M
4:20:13
Rank: #24736 (-125)
35K → 23M
17:14 | 13:46/mi
24M
4:30:49
Rank: #24649 (+87)
23M → 24M
10:36 | 10:36/mi
40K· 24.85 mi
4:42:47
Rank: #24735 (-86)
24M → 40K
11:58 | 14:00/mi
25.2M
4:47:15
Rank: #24734 (+1)
40K → 25.2M
4:28 | 12:57/mi
Finish· 26.22 mi
4:58:10
Rank: #24714 (+20)
25.2M → Finish
10:55 | 10:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:58
Pace10:31 /mi
2nd Half
Distance13.11 mi
Time2:40:12
Pace12:13 /mi
📊Positive Split: 16.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:1531:4510:1331:45
10:13
-
10K
6.21 mi12:20:231:04:5310:2733:08
10:40
+0:27
15K
9.32 mi12:53:061:37:3610:2832:43
10:32
-0:08
20K
12.43 mi13:26:432:11:1310:3433:37
10:49
+0:17
Half
13.11 mi13:33:282:17:5810:316:45
9:54
-0:55
25K
15.53 mi14:00:362:45:0610:3827:08
11:11
+1:17
30K
18.64 mi14:37:403:22:1010:5137:04
11:56
+0:45
20M
20.00 mi14:54:243:38:5410:5716:44
12:19
+0:23
21M
21.00 mi15:09:233:53:5311:0814:59
14:59
+2:40
35K
21.75 mi15:18:294:02:5911:109:06
12:10
-2:49
23M
23.00 mi15:35:434:20:1311:1917:14
13:46
+1:36
24M
24.00 mi15:46:194:30:4911:1710:36
10:36
-3:10
40K
24.85 mi15:58:174:42:4711:2311:58
14:00
+3:24
25.2M
25.20 mi16:02:454:47:1511:244:28
12:57
-1:03
Finish
26.22 mi16:13:404:58:1011:2310:55
10:43
-2:14

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

9:54 /mi

Average Pace

11:23 /mi

Slowest Pace

14:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:30

13% of race

Time at Steady Pace

2:28:07

50% of race

Time at Slower Pace

1:51:33

37% of race

Average Pace: 11:22 /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 mi11:47:1531:4510:1331:45
10:13
#24005
10K
6.21 mi12:20:231:04:5310:2733:08
10:40
#24590
15K
9.32 mi12:53:061:37:3610:2832:43
10:32
#24574
20K
12.43 mi13:26:432:11:1310:3433:37
10:49
#24520
Half
13.11 mi13:33:282:17:5810:316:45
9:54
#24447
25K
15.53 mi14:00:362:45:0610:3827:08
11:11
#24411
30K
18.64 mi14:37:403:22:1010:5137:04
11:56
#24442
20M
20.00 mi14:54:243:38:5410:5716:44
12:19
#24449
21M
21.00 mi15:09:233:53:5311:0814:59
14:59
#24593
35K
21.75 mi15:18:294:02:5911:109:06
12:10
#24611
23M
23.00 mi15:35:434:20:1311:1917:14
13:46
#24736
24M
24.00 mi15:46:194:30:4911:1710:36
10:36
#24649
40K
24.85 mi15:58:174:42:4711:2311:58
14:00
#24735
25.2M
25.20 mi16:02:454:47:1511:244:28
12:57
#24734
Finish
26.22 mi16:13:404:58:1011:2310:55
10:43
#24714
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi240059894989424518(Top 92%)10193(Top 89%)10193(Top 561%)
10K6.21 mi3.10 mi24590-58510205-31110205-31124962(Top 94%)10420(Top 91%)10420(Top 573%)
15K9.32 mi3.11 mi24574+1610204+110204+124518(Top 92%)10193(Top 89%)10193(Top 561%)
20K12.43 mi3.11 mi24520+5410187+1710187+1724358(Top 91%)10126(Top 89%)10126(Top 557%)
Half13.11 mi0.68 mi24447+7310146+4110146+4123095(Top 87%)9408(Top 82%)9408(Top 518%)
25K15.53 mi2.42 mi24411+3610140+610140+624260(Top 91%)10091(Top 88%)10091(Top 555%)
30K18.64 mi3.11 mi24442-3110172-3210172-3224418(Top 92%)10233(Top 90%)10233(Top 563%)
20M20.00 mi1.36 mi24449-710183-1110183-1124563(Top 92%)10373(Top 91%)10373(Top 571%)
21M21.00 mi1.00 mi24593-14410263-8010263-8025710(Top 97%)10956(Top 96%)10956(Top 603%)
35K21.75 mi0.75 mi24611-1810289-2610289-2624861(Top 93%)10586(Top 93%)10586(Top 583%)
23M23.00 mi1.25 mi24736-12510369-8010369-8025673(Top 96%)10990(Top 96%)10990(Top 605%)
24M24.00 mi1.00 mi24649+8710328+4110328+4122247(Top 84%)9241(Top 81%)9241(Top 509%)
40K24.85 mi0.85 mi24735-8610385-5710385-5725686(Top 96%)11019(Top 96%)11019(Top 606%)
25.2M25.20 mi0.35 mi24734+110388-310388-323923(Top 90%)10149(Top 89%)10149(Top 559%)
Finish26.22 mi1.02 mi24714+2010376+1210376+1223454(Top 88%)9882(Top 87%)9882(Top 544%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

24518

Females

10193

F45-49

10193

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

24962

Females

10420

F45-49

10420

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

24518

Females

10193

F45-49

10193

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

24358

Females

10126

F45-49

10126

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

23095

Females

9408

F45-49

9408

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

24260

Females

10091

F45-49

10091

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

24418

Females

10233

F45-49

10233

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

24563

Females

10373

F45-49

10373

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

25710

Females

10956

F45-49

10956

21M→35K

21.0 - 21.8 mi

Top 93%
×7stories
+17ft-86ft

Overall

24861

Females

10586

F45-49

10586

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

25673

Females

10990

F45-49

10990

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

22247

Females

9241

F45-49

9241

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

25686

Females

11019

F45-49

11019

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

23923

Females

10149

F45-49

10149

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

23454

Females

9882

F45-49

9882

Passing Analysis

Category:
Athletes Passed
783
Passed By
1492
Net Change
-709
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24005
5K → 10K39624-585#24005#24590
10K → 15K137121+16#24590#24574
15K → 20K11763+54#24574#24520
20K → Half752+73#24520#24447
Half → 25K9458+36#24447#24411
25K → 30K101132-31#24411#24442
30K → 20M3845-7#24442#24449
20M → 21M6150-144#24449#24593
21M → 35K1836-18#24593#24611
35K → 23M15140-125#24611#24736
23M → 24M870+87#24736#24649
24M → 40K793-86#24649#24735
40K → 25.2M1413+1#24735#24734
25.2M → Finish3515+20#24734#24714
TOTALS7831492-709
📊

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