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BOSTON MARATHON 2023

Corinne Drew

Bib: 13007•F

NJ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 18%
Division (F18-39)
#0 / 4884
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:58
Rank: #8784
Start → 5K
22:58 | 7:24/mi
10K· 6.21 mi
46:08
Rank: #9380 (-596)
5K → 10K
23:10 | 7:27/mi
15K· 9.32 mi
1:09:08
Rank: #9336 (+44)
10K → 15K
23:00 | 7:24/mi
20K· 12.43 mi
1:32:39
Rank: #9454 (-118)
15K → 20K
23:31 | 7:34/mi
Half· 13.11 mi
1:37:48
Rank: #9517 (-63)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:56:05
Rank: #9414 (+103)
Half → 25K
18:17 | 7:32/mi
30K· 18.64 mi
2:20:13
Rank: #9334 (+80)
25K → 30K
24:08 | 7:46/mi
20M
2:30:52
Rank: #9298 (+36)
30K → 20M
10:39 | 7:50/mi
21M
2:39:20
Rank: #9323 (-25)
20M → 21M
8:28 | 8:28/mi
35K· 21.75 mi
2:44:57
Rank: #9280 (+43)
21M → 35K
5:37 | 7:30/mi
23M
2:54:57
Rank: #9266 (+14)
35K → 23M
10:00 | 7:59/mi
24M
3:02:51
Rank: #9285 (-19)
23M → 24M
7:54 | 7:54/mi
40K· 24.85 mi
3:10:07
Rank: #9445 (-160)
24M → 40K
7:16 | 8:30/mi
25.2M
3:13:27
Rank: #9527 (-82)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:22:36
Rank: #9920 (-393)
25.2M → Finish
9:09 | 8:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:48
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:44:48
Pace8:00 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3922:587:2422:58
7:24
-
10K
6.21 mi11:14:4946:087:2523:10
7:27
+0:03
15K
9.32 mi11:37:491:09:087:2523:00
7:24
-0:03
20K
12.43 mi12:01:201:32:397:2723:31
7:34
+0:10
Half
13.11 mi12:06:291:37:487:285:09
7:33
-0:01
25K
15.53 mi12:24:461:56:057:2818:17
7:32
-0:01
30K
18.64 mi12:48:542:20:137:3124:08
7:46
+0:14
20M
20.00 mi12:59:332:30:527:3310:39
7:50
+0:04
21M
21.00 mi13:08:012:39:207:358:28
8:28
+0:38
35K
21.75 mi13:13:382:44:577:355:37
7:30
-0:58
23M
23.00 mi13:23:382:54:577:3610:00
7:59
+0:29
24M
24.00 mi13:31:323:02:517:377:54
7:54
-0:05
40K
24.85 mi13:38:483:10:077:397:16
8:30
+0:36
25.2M
25.20 mi13:42:083:13:277:413:20
9:40
+1:10
Finish
26.22 mi13:51:173:22:367:449:09
8:59
-0:41

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

7:24 /mi

Average Pace

7:44 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

45:58

23% of race

Time at Steady Pace

2:08:25

63% of race

Time at Slower Pace

28:13

14% of race

Average Pace: 7:44 /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 mi10:51:3922:587:2422:58
7:24
#8784
10K
6.21 mi11:14:4946:087:2523:10
7:27
#9380
15K
9.32 mi11:37:491:09:087:2523:00
7:24
#9336
20K
12.43 mi12:01:201:32:397:2723:31
7:34
#9454
Half
13.11 mi12:06:291:37:487:285:09
7:33
#9517
25K
15.53 mi12:24:461:56:057:2818:17
7:32
#9414
30K
18.64 mi12:48:542:20:137:3124:08
7:46
#9334
20M
20.00 mi12:59:332:30:527:3310:39
7:50
#9298
21M
21.00 mi13:08:012:39:207:358:28
8:28
#9323
35K
21.75 mi13:13:382:44:577:355:37
7:30
#9280
23M
23.00 mi13:23:382:54:577:3610:00
7:59
#9266
24M
24.00 mi13:31:323:02:517:377:54
7:54
#9285
40K
24.85 mi13:38:483:10:077:397:16
8:30
#9445
25.2M
25.20 mi13:42:083:13:277:413:20
9:40
#9527
Finish
26.22 mi13:51:173:22:367:449:09
8:59
#9920
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8784130513059374(Top 35%)1575(Top 14%)1575(Top 32%)
10K6.21 mi3.10 mi9380-5961563-2581563-25810140(Top 38%)1888(Top 17%)1888(Top 39%)
15K9.32 mi3.11 mi9336+441557+61557+69374(Top 35%)1575(Top 14%)1575(Top 32%)
20K12.43 mi3.11 mi9454-1181615-581615-589865(Top 37%)1856(Top 16%)1856(Top 38%)
Half13.11 mi0.68 mi9517-631638-231638-2310660(Top 40%)2198(Top 19%)2198(Top 45%)
25K15.53 mi2.42 mi9414+1031617+211617+219109(Top 34%)1602(Top 14%)1602(Top 33%)
30K18.64 mi3.11 mi9334+801622-51622-59127(Top 34%)1765(Top 15%)1765(Top 36%)
20M20.00 mi1.36 mi9298+361634-121634-129167(Top 34%)1870(Top 16%)1870(Top 38%)
21M21.00 mi1.00 mi9323-251663-291663-2910301(Top 39%)2528(Top 22%)2528(Top 52%)
35K21.75 mi0.75 mi9280+43166316638629(Top 32%)1748(Top 15%)1748(Top 36%)
23M23.00 mi1.25 mi9266+141685-221685-229669(Top 36%)2333(Top 20%)2333(Top 48%)
24M24.00 mi1.00 mi9285-191709-241709-2410531(Top 40%)2838(Top 25%)2838(Top 58%)
40K24.85 mi0.85 mi9445-1601808-991808-9913334(Top 50%)4370(Top 38%)4370(Top 89%)
25.2M25.20 mi0.35 mi9527-821850-421850-4215952(Top 60%)5816(Top 51%)5816(Top 119%)
Finish26.22 mi1.02 mi9920-3932056-2062056-20617877(Top 67%)6839(Top 60%)6839(Top 140%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9374

Females

1575

F18-39

1575

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10140

Females

1888

F18-39

1888

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9374

Females

1575

F18-39

1575

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9865

Females

1856

F18-39

1856

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10660

Females

2198

F18-39

2198

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9109

Females

1602

F18-39

1602

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9127

Females

1765

F18-39

1765

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9167

Females

1870

F18-39

1870

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10301

Females

2528

F18-39

2528

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8629

Females

1748

F18-39

1748

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9669

Females

2333

F18-39

2333

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10531

Females

2838

F18-39

2838

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13334

Females

4370

F18-39

4370

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15952

Females

5816

F18-39

5816

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17877

Females

6839

F18-39

6839

Passing Analysis

Category:
Athletes Passed
1158*
Passed By
2294
Net Change
-1136
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8784
5K → 10K81677-596#8784#9380
10K → 15K171127+44#9380#9336
15K → 20K96214-118#9336#9454
20K → Half770-63#9454#9517
Half → 25K16966+103#9517#9414
25K → 30K206*126+80#9414#9334
30K → 20M9357+36#9334#9298
20M → 21M78103-25#9298#9323
21M → 35K6623+43#9323#9280
35K → 23M8470+14#9280#9266
23M → 24M5978-19#9266#9285
24M → 40K30190-160#9285#9445
40K → 25.2M1092-82#9445#9527
25.2M → Finish8401-393#9527#9920
TOTALS1158*2294-1136

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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