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BOSTON MARATHON 2023

Kathleena Mumford

Bib: 8753•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 22%
Gender (Female)
#0 / 11423
Top 5%
Division (F18-39)
#0 / 4884
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:05
Rank: #6930
Start → 5K
22:05 | 7:06/mi
10K· 6.21 mi
43:49
Rank: #6817 (+113)
5K → 10K
21:44 | 7:00/mi
15K· 9.32 mi
1:05:50
Rank: #6860 (-43)
10K → 15K
22:01 | 7:05/mi
20K· 12.43 mi
1:28:03
Rank: #6842 (+18)
15K → 20K
22:13 | 7:09/mi
Half· 13.11 mi
1:32:56
Rank: #6875 (-33)
20K → Half
4:53 | 7:09/mi
25K· 15.53 mi
1:50:15
Rank: #6754 (+121)
Half → 25K
17:19 | 7:09/mi
30K· 18.64 mi
2:13:15
Rank: #6675 (+79)
25K → 30K
23:00 | 7:24/mi
20M
2:23:27
Rank: #6663 (+12)
30K → 20M
10:12 | 7:30/mi
21M
2:31:21
Rank: #6632 (+31)
20M → 21M
7:54 | 7:54/mi
35K· 21.75 mi
2:36:32
Rank: #6533 (+99)
21M → 35K
5:11 | 6:56/mi
23M
2:45:31
Rank: #6381 (+152)
35K → 23M
8:59 | 7:10/mi
24M
2:52:20
Rank: #6198 (+183)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:58:19
Rank: #6070 (+128)
24M → 40K
5:59 | 7:00/mi
25.2M
3:00:55
Rank: #6022 (+48)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:08:02
Rank: #5946 (+76)
25.2M → Finish
7:07 | 6:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:56
Pace7:05 /mi
2nd Half
Distance13.11 mi
Time1:35:06
Pace7:15 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2122:057:0622:05
7:06
-
10K
6.21 mi11:09:0543:497:0321:44
7:00
-0:06
15K
9.32 mi11:31:061:05:507:0422:01
7:05
+0:05
20K
12.43 mi11:53:191:28:037:0522:13
7:09
+0:04
Half
13.11 mi11:58:121:32:567:054:53
7:09
0:00
25K
15.53 mi12:15:311:50:157:0617:19
7:09
0:00
30K
18.64 mi12:38:312:13:157:0923:00
7:24
+0:15
20M
20.00 mi12:48:432:23:277:1010:12
7:30
+0:06
21M
21.00 mi12:56:372:31:217:127:54
7:54
+0:24
35K
21.75 mi13:01:482:36:327:125:11
6:56
-0:58
23M
23.00 mi13:10:472:45:317:128:59
7:10
+0:14
24M
24.00 mi13:17:362:52:207:116:49
6:49
-0:21
40K
24.85 mi13:23:352:58:197:105:59
7:00
+0:11
25.2M
25.20 mi13:26:113:00:557:112:36
7:32
+0:32
Finish
26.22 mi13:33:183:08:027:117:07
6:59
-0:33

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

6:49 /mi

Average Pace

7:11 /mi

Slowest Pace

7:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:20

89% of race

Time at Steady Pace

20:42

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:10 /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 mi10:47:2122:057:0622:05
7:06
#6930
10K
6.21 mi11:09:0543:497:0321:44
7:00
#6817
15K
9.32 mi11:31:061:05:507:0422:01
7:05
#6860
20K
12.43 mi11:53:191:28:037:0522:13
7:09
#6842
Half
13.11 mi11:58:121:32:567:054:53
7:09
#6875
25K
15.53 mi12:15:311:50:157:0617:19
7:09
#6754
30K
18.64 mi12:38:312:13:157:0923:00
7:24
#6675
20M
20.00 mi12:48:432:23:277:1010:12
7:30
#6663
21M
21.00 mi12:56:372:31:217:127:54
7:54
#6632
35K
21.75 mi13:01:482:36:327:125:11
6:56
#6533
23M
23.00 mi13:10:472:45:317:128:59
7:10
#6381
24M
24.00 mi13:17:362:52:207:116:49
6:49
#6198
40K
24.85 mi13:23:352:58:197:105:59
7:00
#6070
25.2M
25.20 mi13:26:113:00:557:112:36
7:32
#6022
Finish
26.22 mi13:33:183:08:027:117:07
6:59
#5946
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi69307047047082(Top 27%)768(Top 7%)768(Top 16%)
10K6.21 mi3.10 mi6817+113679+25679+256804(Top 26%)704(Top 6%)704(Top 14%)
15K9.32 mi3.11 mi6860-43704-25704-257082(Top 27%)768(Top 7%)768(Top 16%)
20K12.43 mi3.11 mi6842+18698+6698+66822(Top 26%)732(Top 6%)732(Top 15%)
Half13.11 mi0.68 mi6875-33706-8706-87595(Top 29%)938(Top 8%)938(Top 19%)
25K15.53 mi2.42 mi6754+121697+9697+96359(Top 24%)660(Top 6%)660(Top 14%)
30K18.64 mi3.11 mi6675+79696+1696+16622(Top 25%)798(Top 7%)798(Top 16%)
20M20.00 mi1.36 mi6663+12708-12708-126833(Top 26%)958(Top 8%)958(Top 20%)
21M21.00 mi1.00 mi6632+31717-9717-96751(Top 25%)1032(Top 9%)1032(Top 21%)
35K21.75 mi0.75 mi6533+99695+22695+224991(Top 19%)506(Top 4%)506(Top 10%)
23M23.00 mi1.25 mi6381+152664+31664+314698(Top 18%)462(Top 4%)462(Top 9%)
24M24.00 mi1.00 mi6198+183630+34630+343776(Top 14%)320(Top 3%)320(Top 7%)
40K24.85 mi0.85 mi6070+128611+19611+193886(Top 15%)390(Top 3%)390(Top 8%)
25.2M25.20 mi0.35 mi6022+48604+7604+74165(Top 16%)491(Top 4%)491(Top 10%)
Finish26.22 mi1.02 mi5946+76599+5599+55133(Top 19%)770(Top 7%)770(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7082

Females

768

F18-39

768

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

6804

Females

704

F18-39

704

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7082

Females

768

F18-39

768

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

6822

Females

732

F18-39

732

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

7595

Females

938

F18-39

938

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6359

Females

660

F18-39

660

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6622

Females

798

F18-39

798

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6833

Females

958

F18-39

958

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

6751

Females

1032

F18-39

1032

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

4991

Females

506

F18-39

506

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4698

Females

462

F18-39

462

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3776

Females

320

F18-39

320

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3886

Females

390

F18-39

390

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4165

Females

491

F18-39

491

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5133

Females

770

F18-39

770

Passing Analysis

Category:
Athletes Passed
1656
Passed By
672
Net Change
+984
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6930
5K → 10K256143+113#6930#6817
10K → 15K111154-43#6817#6860
15K → 20K11294+18#6860#6842
20K → Half1144-33#6842#6875
Half → 25K14221+121#6875#6754
25K → 30K14869+79#6754#6675
30K → 20M6957+12#6675#6663
20M → 21M7847+31#6663#6632
21M → 35K1056+99#6632#6533
35K → 23M1597+152#6533#6381
23M → 24M1841+183#6381#6198
24M → 40K1313+128#6198#6070
40K → 25.2M524+48#6070#6022
25.2M → Finish9822+76#6022#5946
TOTALS1656672+984
📊

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