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BOSTON MARATHON 2023

Katherine Elmore-Jones

Bib: 16169•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 16%
Masters (Masters Women)
#0 / 6539
Top 6%
Division (F45-49)
#0 / 1817
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:17
Rank: #12502
Start → 5K
24:17 | 7:49/mi
10K· 6.21 mi
48:14
Rank: #12379 (+123)
5K → 10K
23:57 | 7:43/mi
15K· 9.32 mi
1:12:18
Rank: #12277 (+102)
10K → 15K
24:04 | 7:45/mi
20K· 12.43 mi
1:36:25
Rank: #12033 (+244)
15K → 20K
24:07 | 7:46/mi
Half· 13.11 mi
1:41:42
Rank: #12040 (-7)
20K → Half
5:17 | 7:45/mi
25K· 15.53 mi
2:00:38
Rank: #11852 (+188)
Half → 25K
18:56 | 7:49/mi
30K· 18.64 mi
2:24:34
Rank: #11209 (+643)
25K → 30K
23:56 | 7:42/mi
20M
2:34:44
Rank: #10811 (+398)
30K → 20M
10:10 | 7:29/mi
21M
2:42:40
Rank: #10586 (+225)
20M → 21M
7:56 | 7:56/mi
35K· 21.75 mi
2:47:55
Rank: #10361 (+225)
21M → 35K
5:15 | 7:01/mi
23M
2:57:17
Rank: #10068 (+293)
35K → 23M
9:22 | 7:29/mi
24M
3:04:25
Rank: #9806 (+262)
23M → 24M
7:08 | 7:08/mi
40K· 24.85 mi
3:10:35
Rank: #9569 (+237)
24M → 40K
6:10 | 7:13/mi
25.2M
3:13:15
Rank: #9474 (+95)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
3:20:34
Rank: #9342 (+132)
25.2M → Finish
7:19 | 7:11/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:41:42
Pace7:45 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:38:52
Pace7:33 /mi
📊Negative Split: 2.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2924:177:4924:17
7:49
-
10K
6.21 mi11:39:2648:147:4623:57
7:43
-0:06
15K
9.32 mi12:03:301:12:187:4524:04
7:45
+0:02
20K
12.43 mi12:27:371:36:257:4624:07
7:46
+0:01
Half
13.11 mi12:32:541:41:427:455:17
7:45
-0:01
25K
15.53 mi12:51:502:00:387:4618:56
7:49
+0:04
30K
18.64 mi13:15:462:24:347:4523:56
7:42
-0:07
20M
20.00 mi13:25:562:34:447:4410:10
7:29
-0:13
21M
21.00 mi13:33:522:42:407:457:56
7:56
+0:27
35K
21.75 mi13:39:072:47:557:435:15
7:01
-0:55
23M
23.00 mi13:48:292:57:177:429:22
7:29
+0:28
24M
24.00 mi13:55:373:04:257:417:08
7:08
-0:21
40K
24.85 mi14:01:473:10:357:406:10
7:13
+0:05
25.2M
25.20 mi14:04:273:13:157:402:40
7:44
+0:31
Finish
26.22 mi14:11:463:20:347:397:19
7:11
-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

7:01 /mi

Average Pace

7:39 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:17

47% of race

Time at Steady Pace

1:47:17

53% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:39 /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 mi11:15:2924:177:4924:17
7:49
#12502
10K
6.21 mi11:39:2648:147:4623:57
7:43
#12379
15K
9.32 mi12:03:301:12:187:4524:04
7:45
#12277
20K
12.43 mi12:27:371:36:257:4624:07
7:46
#12033
Half
13.11 mi12:32:541:41:427:455:17
7:45
#12040
25K
15.53 mi12:51:502:00:387:4618:56
7:49
#11852
30K
18.64 mi13:15:462:24:347:4523:56
7:42
#11209
20M
20.00 mi13:25:562:34:447:4410:10
7:29
#10811
21M
21.00 mi13:33:522:42:407:457:56
7:56
#10586
35K
21.75 mi13:39:072:47:557:435:15
7:01
#10361
23M
23.00 mi13:48:292:57:177:429:22
7:29
#10068
24M
24.00 mi13:55:373:04:257:417:08
7:08
#9806
40K
24.85 mi14:01:473:10:357:406:10
7:13
#9569
25.2M
25.20 mi14:04:273:13:157:402:40
7:44
#9474
Finish
26.22 mi14:11:463:20:347:397:19
7:11
#9342
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi125023155315512258(Top 46%)3045(Top 27%)3045(Top 168%)
10K6.21 mi3.10 mi12379+1233090+653090+6512337(Top 46%)3051(Top 27%)3051(Top 168%)
15K9.32 mi3.11 mi12277+1023045+453045+4512258(Top 46%)3045(Top 27%)3045(Top 168%)
20K12.43 mi3.11 mi12033+2442929+1162929+11611416(Top 43%)2637(Top 23%)2637(Top 145%)
Half13.11 mi0.68 mi12040-72937-82937-812239(Top 46%)3031(Top 27%)3031(Top 167%)
25K15.53 mi2.42 mi11852+1882842+952842+9511161(Top 42%)2563(Top 22%)2563(Top 141%)
30K18.64 mi3.11 mi11209+6432536+3062536+3068681(Top 33%)1590(Top 14%)1590(Top 88%)
20M20.00 mi1.36 mi10811+3982335+2012335+2016706(Top 25%)932(Top 8%)932(Top 51%)
21M21.00 mi1.00 mi10586+2252242+932242+936970(Top 26%)1130(Top 10%)1130(Top 62%)
35K21.75 mi0.75 mi10361+2252144+982144+985502(Top 21%)632(Top 6%)632(Top 35%)
23M23.00 mi1.25 mi10068+2932028+1162028+1166342(Top 24%)938(Top 8%)938(Top 52%)
24M24.00 mi1.00 mi9806+2621940+881940+885424(Top 20%)704(Top 6%)704(Top 39%)
40K24.85 mi0.85 mi9569+2371853+871853+875005(Top 19%)663(Top 6%)663(Top 36%)
25.2M25.20 mi0.35 mi9474+951828+251828+255158(Top 19%)803(Top 7%)803(Top 44%)
Finish26.22 mi1.02 mi9342+1321795+331795+336320(Top 24%)1177(Top 10%)1177(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

12258

Females

3045

F45-49

3045

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

12337

Females

3051

F45-49

3051

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

12258

Females

3045

F45-49

3045

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

11416

Females

2637

F45-49

2637

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

12239

Females

3031

F45-49

3031

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11161

Females

2563

F45-49

2563

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8681

Females

1590

F45-49

1590

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6706

Females

932

F45-49

932

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6970

Females

1130

F45-49

1130

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5502

Females

632

F45-49

632

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6342

Females

938

F45-49

938

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5424

Females

704

F45-49

704

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5005

Females

663

F45-49

663

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5158

Females

803

F45-49

803

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6320

Females

1177

F45-49

1177

Passing Analysis

Category:
Athletes Passed
3718*
Passed By
558
Net Change
+3160
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12502
5K → 10K381258+123#12502#12379
10K → 15K233131+102#12379#12277
15K → 20K31268+244#12277#12033
20K → Half2128-7#12033#12040
Half → 25K23850+188#12040#11852
25K → 30K6485+643#11852#11209
30K → 20M398*0+398#11209#10811
20M → 21M2283+225#10811#10586
21M → 35K2250+225#10586#10361
35K → 23M2941+293#10361#10068
23M → 24M265*3+262#10068#9806
24M → 40K237*0+237#9806#9569
40K → 25.2M961+95#9569#9474
25.2M → Finish14210+132#9474#9342
TOTALS3718*558+3160

* 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