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BOSTON MARATHON 2023

Kelby Land

Bib: 14115•F

OR

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0:00
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Overall
#0 / 26622
Top 28%
Gender (Female)
#0 / 11423
Top 9%
Division (F18-39)
#0 / 4884
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:33
Rank: #10355
Start → 5K
23:33 | 7:35/mi
10K· 6.21 mi
46:19
Rank: #9608 (+747)
5K → 10K
22:46 | 7:20/mi
15K· 9.32 mi
1:08:42
Rank: #8987 (+621)
10K → 15K
22:23 | 7:12/mi
20K· 12.43 mi
1:31:14
Rank: #8563 (+424)
15K → 20K
22:32 | 7:15/mi
Half· 13.11 mi
1:36:10
Rank: #8538 (+25)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:53:54
Rank: #8330 (+208)
Half → 25K
17:44 | 7:19/mi
30K· 18.64 mi
2:16:57
Rank: #7993 (+337)
25K → 30K
23:03 | 7:25/mi
20M
2:27:58
Rank: #8163 (-170)
30K → 20M
11:01 | 8:06/mi
21M
2:35:36
Rank: #7947 (+216)
20M → 21M
7:38 | 7:38/mi
35K· 21.75 mi
2:41:02
Rank: #7886 (+61)
21M → 35K
5:26 | 7:16/mi
23M
2:50:30
Rank: #7788 (+98)
35K → 23M
9:28 | 7:34/mi
24M
2:57:57
Rank: #7740 (+48)
23M → 24M
7:27 | 7:27/mi
40K· 24.85 mi
3:04:16
Rank: #7644 (+96)
24M → 40K
6:19 | 7:23/mi
25.2M
3:07:00
Rank: #7609 (+35)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:14:11
Rank: #7509 (+100)
25.2M → Finish
7:11 | 7:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:10
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:38:01
Pace7:29 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4223:337:3523:33
7:35
-
10K
6.21 mi11:15:2846:197:2722:46
7:20
-0:15
15K
9.32 mi11:37:511:08:427:2222:23
7:12
-0:08
20K
12.43 mi12:00:231:31:147:2022:32
7:15
+0:03
Half
13.11 mi12:05:191:36:107:204:56
7:14
-0:01
25K
15.53 mi12:23:031:53:547:2017:44
7:19
+0:05
30K
18.64 mi12:46:062:16:577:2123:03
7:25
+0:06
20M
20.00 mi12:57:072:27:587:2411:01
8:06
+0:41
21M
21.00 mi13:04:452:35:367:257:38
7:38
-0:28
35K
21.75 mi13:10:112:41:027:245:26
7:16
-0:22
23M
23.00 mi13:19:392:50:307:259:28
7:34
+0:18
24M
24.00 mi13:27:062:57:577:257:27
7:27
-0:07
40K
24.85 mi13:33:253:04:167:256:19
7:23
-0:04
25.2M
25.20 mi13:36:093:07:007:252:44
7:56
+0:33
Finish
26.22 mi13:43:203:14:117:257:11
7:03
-0:53

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

7:03 /mi

Average Pace

7:25 /mi

Slowest Pace

8:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:26

93% of race

Time at Steady Pace

13:45

7% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:24 /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 mi10:52:4223:337:3523:33
7:35
#10355
10K
6.21 mi11:15:2846:197:2722:46
7:20
#9608
15K
9.32 mi11:37:511:08:427:2222:23
7:12
#8987
20K
12.43 mi12:00:231:31:147:2022:32
7:15
#8563
Half
13.11 mi12:05:191:36:107:204:56
7:14
#8538
25K
15.53 mi12:23:031:53:547:2017:44
7:19
#8330
30K
18.64 mi12:46:062:16:577:2123:03
7:25
#7993
20M
20.00 mi12:57:072:27:587:2411:01
8:06
#8163
21M
21.00 mi13:04:452:35:367:257:38
7:38
#7947
35K
21.75 mi13:10:112:41:027:245:26
7:16
#7886
23M
23.00 mi13:19:392:50:307:259:28
7:34
#7788
24M
24.00 mi13:27:062:57:577:257:27
7:27
#7740
40K
24.85 mi13:33:253:04:167:256:19
7:23
#7644
25.2M
25.20 mi13:36:093:07:007:252:44
7:56
#7609
Finish
26.22 mi13:43:203:14:117:257:11
7:03
#7509
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10355201220127845(Top 29%)1020(Top 9%)1020(Top 21%)
10K6.21 mi3.10 mi9608+7471659+3531659+3539072(Top 34%)1436(Top 13%)1436(Top 29%)
15K9.32 mi3.11 mi8987+6211420+2391420+2397845(Top 29%)1020(Top 9%)1020(Top 21%)
20K12.43 mi3.11 mi8563+4241265+1551265+1557465(Top 28%)923(Top 8%)923(Top 19%)
Half13.11 mi0.68 mi8538+251246+191246+198143(Top 31%)1149(Top 10%)1149(Top 24%)
25K15.53 mi2.42 mi8330+2081196+501196+507390(Top 28%)975(Top 9%)975(Top 20%)
30K18.64 mi3.11 mi7993+3371113+831113+836727(Top 25%)842(Top 7%)842(Top 17%)
20M20.00 mi1.36 mi8163-1701194-811194-8111076(Top 42%)2765(Top 24%)2765(Top 57%)
21M21.00 mi1.00 mi7947+2161125+691125+695310(Top 20%)619(Top 5%)619(Top 13%)
35K21.75 mi0.75 mi7886+611115+101115+106939(Top 26%)1080(Top 9%)1080(Top 22%)
23M23.00 mi1.25 mi7788+981104+111104+116825(Top 26%)1108(Top 10%)1108(Top 23%)
24M24.00 mi1.00 mi7740+481112-81112-87388(Top 28%)1435(Top 13%)1435(Top 29%)
40K24.85 mi0.85 mi7644+961091+211091+216035(Top 23%)993(Top 9%)993(Top 20%)
25.2M25.20 mi0.35 mi7609+351090+11090+16154(Top 23%)1104(Top 10%)1104(Top 23%)
Finish26.22 mi1.02 mi7509+1001079+111079+115548(Top 21%)927(Top 8%)927(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7845

Females

1020

F18-39

1020

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9072

Females

1436

F18-39

1436

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7845

Females

1020

F18-39

1020

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7465

Females

923

F18-39

923

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8143

Females

1149

F18-39

1149

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7390

Females

975

F18-39

975

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6727

Females

842

F18-39

842

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11076

Females

2765

F18-39

2765

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5310

Females

619

F18-39

619

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6939

Females

1080

F18-39

1080

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

6825

Females

1108

F18-39

1108

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7388

Females

1435

F18-39

1435

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6035

Females

993

F18-39

993

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6154

Females

1104

F18-39

1104

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5548

Females

927

F18-39

927

Passing Analysis

Category:
Athletes Passed
3341*
Passed By
495
Net Change
+2846
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10355
5K → 10K826*79+747#10355#9608
10K → 15K6287+621#9608#8987
15K → 20K4317+424#8987#8563
20K → Half4419+25#8563#8538
Half → 25K22214+208#8538#8330
25K → 30K35215+337#8330#7993
30K → 20M48218-170#7993#8163
20M → 21M2204+216#8163#7947
21M → 35K7918+61#7947#7886
35K → 23M12426+98#7886#7788
23M → 24M8638+48#7788#7740
24M → 40K11519+96#7740#7644
40K → 25.2M4611+35#7644#7609
25.2M → Finish12020+100#7609#7509
TOTALS3341*495+2846

* 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