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BOSTON MARATHON 2023

Katy Cranfill

Bib: 2518•F

TX

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 14%
Gender (Female)
#0 / 11423
Top 2%
Division (F18-39)
#0 / 4884
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:23
Rank: #2629
Start → 5K
20:23 | 6:34/mi
10K· 6.21 mi
40:21
Rank: #2466 (+163)
5K → 10K
19:58 | 6:26/mi
15K· 9.32 mi
1:00:41
Rank: #2595 (-129)
10K → 15K
20:20 | 6:33/mi
20K· 12.43 mi
1:21:27
Rank: #2768 (-173)
15K → 20K
20:46 | 6:41/mi
Half· 13.11 mi
1:26:02
Rank: #2835 (-67)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:42:38
Rank: #3046 (-211)
Half → 25K
16:36 | 6:51/mi
30K· 18.64 mi
2:04:29
Rank: #3268 (-222)
25K → 30K
21:51 | 7:02/mi
20M
2:14:08
Rank: #3341 (-73)
30K → 20M
9:39 | 7:06/mi
21M
2:21:44
Rank: #3448 (-107)
20M → 21M
7:36 | 7:36/mi
35K· 21.75 mi
2:26:54
Rank: #3501 (-53)
21M → 35K
5:10 | 6:54/mi
23M
2:35:49
Rank: #3525 (-24)
35K → 23M
8:55 | 7:07/mi
24M
2:42:46
Rank: #3568 (-43)
23M → 24M
6:57 | 6:57/mi
40K· 24.85 mi
2:48:51
Rank: #3593 (-25)
24M → 40K
6:05 | 7:07/mi
25.2M
2:51:30
Rank: #3622 (-29)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:58:28
Rank: #3645 (-23)
25.2M → Finish
6:58 | 6:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:02
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:32:26
Pace7:03 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0820:236:3420:23
6:34
-
10K
6.21 mi10:41:0640:216:3019:58
6:26
-0:08
15K
9.32 mi11:01:261:00:416:3120:20
6:33
+0:07
20K
12.43 mi11:22:121:21:276:3320:46
6:41
+0:08
Half
13.11 mi11:26:471:26:026:344:35
6:43
+0:02
25K
15.53 mi11:43:231:42:386:3616:36
6:51
+0:08
30K
18.64 mi12:05:142:04:296:4121:51
7:02
+0:11
20M
20.00 mi12:14:532:14:086:429:39
7:06
+0:04
21M
21.00 mi12:22:292:21:446:457:36
7:36
+0:30
35K
21.75 mi12:27:392:26:546:455:10
6:54
-0:42
23M
23.00 mi12:36:342:35:496:468:55
7:07
+0:13
24M
24.00 mi12:43:312:42:466:476:57
6:57
-0:10
40K
24.85 mi12:49:362:48:516:486:05
7:07
+0:10
25.2M
25.20 mi12:52:152:51:306:482:39
7:41
+0:34
Finish
26.22 mi12:59:132:58:286:496:58
6:50
-0:51

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

6:26 /mi

Average Pace

6:49 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:34

80% of race

Time at Steady Pace

24:39

14% of race

Time at Slower Pace

10:15

6% of race

Average Pace: 6:48 /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 mi10:21:0820:236:3420:23
6:34
#2629
10K
6.21 mi10:41:0640:216:3019:58
6:26
#2466
15K
9.32 mi11:01:261:00:416:3120:20
6:33
#2595
20K
12.43 mi11:22:121:21:276:3320:46
6:41
#2768
Half
13.11 mi11:26:471:26:026:344:35
6:43
#2835
25K
15.53 mi11:43:231:42:386:3616:36
6:51
#3046
30K
18.64 mi12:05:142:04:296:4121:51
7:02
#3268
20M
20.00 mi12:14:532:14:086:429:39
7:06
#3341
21M
21.00 mi12:22:292:21:446:457:36
7:36
#3448
35K
21.75 mi12:27:392:26:546:455:10
6:54
#3501
23M
23.00 mi12:36:342:35:496:468:55
7:07
#3525
24M
24.00 mi12:43:312:42:466:476:57
6:57
#3568
40K
24.85 mi12:49:362:48:516:486:05
7:07
#3593
25.2M
25.20 mi12:52:152:51:306:482:39
7:41
#3622
Finish
26.22 mi12:59:132:58:286:496:58
6:50
#3645
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26291231232912(Top 11%)127(Top 1%)127(Top 3%)
10K6.21 mi3.10 mi2466+163112+11112+112388(Top 9%)100(Top 0.9%)100(Top 2%)
15K9.32 mi3.11 mi2595-129114-2114-22912(Top 11%)127(Top 1%)127(Top 3%)
20K12.43 mi3.11 mi2768-173120-6120-63461(Top 13%)181(Top 2%)181(Top 4%)
Half13.11 mi0.68 mi2835-67124-4124-44618(Top 17%)311(Top 3%)311(Top 6%)
25K15.53 mi2.42 mi3046-211139-15139-154577(Top 17%)312(Top 3%)312(Top 6%)
30K18.64 mi3.11 mi3268-222157-18157-184579(Top 17%)336(Top 3%)336(Top 7%)
20M20.00 mi1.36 mi3341-73173-16173-164645(Top 17%)379(Top 3%)379(Top 8%)
21M21.00 mi1.00 mi3448-107180-7180-75109(Top 19%)545(Top 5%)545(Top 11%)
35K21.75 mi0.75 mi3501-53181-1181-14844(Top 18%)460(Top 4%)460(Top 9%)
23M23.00 mi1.25 mi3525-24193-12193-124419(Top 17%)389(Top 3%)389(Top 8%)
24M24.00 mi1.00 mi3568-43195-2195-24442(Top 17%)423(Top 4%)423(Top 9%)
40K24.85 mi0.85 mi3593-25205-10205-104470(Top 17%)497(Top 4%)497(Top 10%)
25.2M25.20 mi0.35 mi3622-29209-4209-44840(Top 18%)647(Top 6%)647(Top 13%)
Finish26.22 mi1.02 mi3645-23213-4213-44298(Top 16%)523(Top 5%)523(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2912

Females

127

F18-39

127

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2388

Females

100

F18-39

100

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2912

Females

127

F18-39

127

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3461

Females

181

F18-39

181

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4618

Females

311

F18-39

311

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4577

Females

312

F18-39

312

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4579

Females

336

F18-39

336

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4645

Females

379

F18-39

379

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5109

Females

545

F18-39

545

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4844

Females

460

F18-39

460

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4419

Females

389

F18-39

389

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4442

Females

423

F18-39

423

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4470

Females

497

F18-39

497

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4840

Females

647

F18-39

647

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4298

Females

523

F18-39

523

Passing Analysis

Category:
Athletes Passed
625
Passed By
1641
Net Change
-1016
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2629
5K → 10K24784+163#2629#2466
10K → 15K29158-129#2466#2595
15K → 20K29202-173#2595#2768
20K → Half370-67#2768#2835
Half → 25K18229-211#2835#3046
25K → 30K36258-222#3046#3268
30K → 20M42115-73#3268#3341
20M → 21M26133-107#3341#3448
21M → 35K1871-53#3448#3501
35K → 23M5579-24#3501#3525
23M → 24M2568-43#3525#3568
24M → 40K3661-25#3568#3593
40K → 25.2M1443-29#3593#3622
25.2M → Finish4770-23#3622#3645
TOTALS6251641-1016
📊

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