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BOSTON MARATHON 2023

Kara Davis

Bib: 18087•F

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 32%
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
24:04
Rank: #11900
Start → 5K
24:04 | 7:45/mi
10K· 6.21 mi
48:19
Rank: #12508 (-608)
5K → 10K
24:15 | 7:48/mi
15K· 9.32 mi
1:12:44
Rank: #12720 (-212)
10K → 15K
24:25 | 7:52/mi
20K· 12.43 mi
1:37:40
Rank: #12953 (-233)
15K → 20K
24:56 | 8:02/mi
Half· 13.11 mi
1:43:12
Rank: #13068 (-115)
20K → Half
5:32 | 8:07/mi
25K· 15.53 mi
2:02:47
Rank: #13079 (-11)
Half → 25K
19:35 | 8:05/mi
30K· 18.64 mi
2:28:58
Rank: #13230 (-151)
25K → 30K
26:11 | 8:26/mi
20M
2:40:34
Rank: #13269 (-39)
30K → 20M
11:36 | 8:32/mi
21M
2:49:43
Rank: #13318 (-49)
20M → 21M
9:09 | 9:09/mi
35K· 21.75 mi
2:55:43
Rank: #13252 (+66)
21M → 35K
6:00 | 8:01/mi
23M
3:06:04
Rank: #13123 (+129)
35K → 23M
10:21 | 8:16/mi
24M
3:14:11
Rank: #13061 (+62)
23M → 24M
8:07 | 8:07/mi
40K· 24.85 mi
3:21:16
Rank: #13003 (+58)
24M → 40K
7:05 | 8:17/mi
25.2M
3:24:18
Rank: #12966 (+37)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:32:36
Rank: #12958 (+8)
25.2M → Finish
8:18 | 8:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:12
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:49:24
Pace8:21 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0224:047:4524:04
7:45
-
10K
6.21 mi11:39:1748:197:4724:15
7:48
+0:03
15K
9.32 mi12:03:421:12:447:4824:25
7:52
+0:04
20K
12.43 mi12:28:381:37:407:5224:56
8:02
+0:10
Half
13.11 mi12:34:101:43:127:525:32
8:07
+0:05
25K
15.53 mi12:53:452:02:477:5419:35
8:05
-0:02
30K
18.64 mi13:19:562:28:587:5926:11
8:26
+0:21
20M
20.00 mi13:31:322:40:348:0211:36
8:32
+0:06
21M
21.00 mi13:40:412:49:438:059:09
9:09
+0:37
35K
21.75 mi13:46:412:55:438:056:00
8:01
-1:08
23M
23.00 mi13:57:023:06:048:0510:21
8:16
+0:15
24M
24.00 mi14:05:093:14:118:058:07
8:07
-0:09
40K
24.85 mi14:12:143:21:168:067:05
8:17
+0:10
25.2M
25.20 mi14:15:163:24:188:063:02
8:48
+0:31
Finish
26.22 mi14:23:343:32:368:078:18
8:09
-0:39

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

7:45 /mi

Average Pace

8:07 /mi

Slowest Pace

9:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:49

89% of race

Time at Steady Pace

14:38

7% of race

Time at Slower Pace

9:09

4% 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 mi11:15:0224:047:4524:04
7:45
#11900
10K
6.21 mi11:39:1748:197:4724:15
7:48
#12508
15K
9.32 mi12:03:421:12:447:4824:25
7:52
#12720
20K
12.43 mi12:28:381:37:407:5224:56
8:02
#12953
Half
13.11 mi12:34:101:43:127:525:32
8:07
#13068
25K
15.53 mi12:53:452:02:477:5419:35
8:05
#13079
30K
18.64 mi13:19:562:28:587:5926:11
8:26
#13230
20M
20.00 mi13:31:322:40:348:0211:36
8:32
#13269
21M
21.00 mi13:40:412:49:438:059:09
9:09
#13318
35K
21.75 mi13:46:412:55:438:056:00
8:01
#13252
23M
23.00 mi13:57:023:06:048:0510:21
8:16
#13123
24M
24.00 mi14:05:093:14:118:058:07
8:07
#13061
40K
24.85 mi14:12:143:21:168:067:05
8:17
#13003
25.2M
25.20 mi14:15:163:24:188:063:02
8:48
#12966
Finish
26.22 mi14:23:343:32:368:078:18
8:09
#12958
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi119002814281413200(Top 50%)3607(Top 32%)3607(Top 74%)
10K6.21 mi3.10 mi12508-6083161-3473161-34713186(Top 50%)3541(Top 31%)3541(Top 73%)
15K9.32 mi3.11 mi12720-2123295-1343295-13413200(Top 50%)3607(Top 32%)3607(Top 74%)
20K12.43 mi3.11 mi12953-2333456-1613456-16113658(Top 51%)3908(Top 34%)3908(Top 80%)
Half13.11 mi0.68 mi13068-1153521-653521-6515207(Top 57%)4792(Top 42%)4792(Top 98%)
25K15.53 mi2.42 mi13079-113536-153536-1513350(Top 50%)3834(Top 34%)3834(Top 79%)
30K18.64 mi3.11 mi13230-1513687-1513687-15113857(Top 52%)4242(Top 37%)4242(Top 87%)
20M20.00 mi1.36 mi13269-393715-283715-2813853(Top 52%)4322(Top 38%)4322(Top 88%)
21M21.00 mi1.00 mi13318-493762-473762-4714215(Top 53%)4592(Top 40%)4592(Top 94%)
35K21.75 mi0.75 mi13252+663745+173745+1712320(Top 46%)3611(Top 32%)3611(Top 74%)
23M23.00 mi1.25 mi13123+1293691+543691+5411670(Top 44%)3344(Top 29%)3344(Top 68%)
24M24.00 mi1.00 mi13061+623686+53686+512070(Top 45%)3627(Top 32%)3627(Top 74%)
40K24.85 mi0.85 mi13003+583680+63680+611953(Top 45%)3643(Top 32%)3643(Top 75%)
25.2M25.20 mi0.35 mi12966+373664+163664+1611394(Top 43%)3406(Top 30%)3406(Top 70%)
Finish26.22 mi1.02 mi12958+83677-133677-1313089(Top 49%)4258(Top 37%)4258(Top 87%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

13200

Females

3607

F18-39

3607

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

13186

Females

3541

F18-39

3541

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

13200

Females

3607

F18-39

3607

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13658

Females

3908

F18-39

3908

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

15207

Females

4792

F18-39

4792

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

13350

Females

3834

F18-39

3834

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

13857

Females

4242

F18-39

4242

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

13853

Females

4322

F18-39

4322

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

14215

Females

4592

F18-39

4592

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12320

Females

3611

F18-39

3611

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11670

Females

3344

F18-39

3344

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12070

Females

3627

F18-39

3627

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11953

Females

3643

F18-39

3643

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11394

Females

3406

F18-39

3406

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13089

Females

4258

F18-39

4258

Passing Analysis

Category:
Athletes Passed
1324
Passed By
2382
Net Change
-1058
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11900
5K → 10K112720-608#11900#12508
10K → 15K122334-212#12508#12720
15K → 20K116349-233#12720#12953
20K → Half6121-115#12953#13068
Half → 25K147158-11#13068#13079
25K → 30K142293-151#13079#13230
30K → 20M78117-39#13230#13269
20M → 21M64113-49#13269#13318
21M → 35K8923+66#13318#13252
35K → 23M16334+129#13252#13123
23M → 24M9634+62#13123#13061
24M → 40K8628+58#13061#13003
40K → 25.2M4811+37#13003#12966
25.2M → Finish5547+8#12966#12958
TOTALS13242382-1058
📊

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