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BOSTON MARATHON 2023

Kathryn Coble

Bib: 18747•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 44%
Gender (Female)
#0 / 11423
Top 27%
Division (F18-39)
#0 / 4884
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:57
Rank: #14241
Start → 5K
24:57 | 8:02/mi
10K· 6.21 mi
49:25
Rank: #14004 (+237)
5K → 10K
24:28 | 7:53/mi
15K· 9.32 mi
1:13:30
Rank: #13458 (+546)
10K → 15K
24:05 | 7:45/mi
20K· 12.43 mi
1:37:33
Rank: #12846 (+612)
15K → 20K
24:03 | 7:44/mi
Half· 13.11 mi
1:42:41
Rank: #12704 (+142)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
2:01:22
Rank: #12292 (+412)
Half → 25K
18:41 | 7:42/mi
30K· 18.64 mi
2:26:12
Rank: #11975 (+317)
25K → 30K
24:50 | 8:00/mi
20M
2:37:18
Rank: #11923 (+52)
30K → 20M
11:06 | 8:10/mi
21M
2:46:06
Rank: #11945 (-22)
20M → 21M
8:48 | 8:48/mi
35K· 21.75 mi
2:51:57
Rank: #11895 (+50)
21M → 35K
5:51 | 7:49/mi
23M
3:02:21
Rank: #11881 (+14)
35K → 23M
10:24 | 8:18/mi
24M
3:10:17
Rank: #11821 (+60)
23M → 24M
7:56 | 7:56/mi
40K· 24.85 mi
3:17:12
Rank: #11759 (+62)
24M → 40K
6:55 | 8:05/mi
25.2M
3:20:18
Rank: #11764 (-5)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:28:38
Rank: #11830 (-66)
25.2M → Finish
8:20 | 8:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:41
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:45:57
Pace8:05 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5724:578:0224:57
8:02
-
10K
6.21 mi11:43:2549:257:5724:28
7:53
-0:09
15K
9.32 mi12:07:301:13:307:5324:05
7:45
-0:08
20K
12.43 mi12:31:331:37:337:5124:03
7:44
-0:01
Half
13.11 mi12:36:411:42:417:505:08
7:31
-0:13
25K
15.53 mi12:55:222:01:227:4918:41
7:42
+0:11
30K
18.64 mi13:20:122:26:127:5124:50
8:00
+0:18
20M
20.00 mi13:31:182:37:187:5211:06
8:10
+0:10
21M
21.00 mi13:40:062:46:067:558:48
8:48
+0:38
35K
21.75 mi13:45:572:51:577:545:51
7:49
-0:59
23M
23.00 mi13:56:213:02:217:5610:24
8:18
+0:29
24M
24.00 mi14:04:173:10:177:567:56
7:56
-0:22
40K
24.85 mi14:11:123:17:127:566:55
8:05
+0:09
25.2M
25.20 mi14:14:183:20:187:573:06
8:59
+0:54
Finish
26.22 mi14:22:383:28:387:588:20
8:11
-0:48

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

7:31 /mi

Average Pace

7:58 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:20

89% of race

Time at Steady Pace

19:12

9% of race

Time at Slower Pace

3:06

1% of race

Average Pace: 7:57 /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 mi11:18:5724:578:0224:57
8:02
#14241
10K
6.21 mi11:43:2549:257:5724:28
7:53
#14004
15K
9.32 mi12:07:301:13:307:5324:05
7:45
#13458
20K
12.43 mi12:31:331:37:337:5124:03
7:44
#12846
Half
13.11 mi12:36:411:42:417:505:08
7:31
#12704
25K
15.53 mi12:55:222:01:227:4918:41
7:42
#12292
30K
18.64 mi13:20:122:26:127:5124:50
8:00
#11975
20M
20.00 mi13:31:182:37:187:5211:06
8:10
#11923
21M
21.00 mi13:40:062:46:067:558:48
8:48
#11945
35K
21.75 mi13:45:572:51:577:545:51
7:49
#11895
23M
23.00 mi13:56:213:02:217:5610:24
8:18
#11881
24M
24.00 mi14:04:173:10:177:567:56
7:56
#11821
40K
24.85 mi14:11:123:17:127:566:55
8:05
#11759
25.2M
25.20 mi14:14:183:20:187:573:06
8:59
#11764
Finish
26.22 mi14:22:383:28:387:588:20
8:11
#11830
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi142414169416912327(Top 46%)3094(Top 27%)3094(Top 63%)
10K6.21 mi3.10 mi14004+2374042+1274042+12713773(Top 52%)3903(Top 34%)3903(Top 80%)
15K9.32 mi3.11 mi13458+5463723+3193723+31912327(Top 46%)3094(Top 27%)3094(Top 63%)
20K12.43 mi3.11 mi12846+6123392+3313392+33111251(Top 42%)2543(Top 22%)2543(Top 52%)
Half13.11 mi0.68 mi12704+1423316+763316+7610498(Top 39%)2153(Top 19%)2153(Top 44%)
25K15.53 mi2.42 mi12292+4123110+2063110+20610359(Top 39%)2166(Top 19%)2166(Top 44%)
30K18.64 mi3.11 mi11975+3172962+1482962+14810868(Top 41%)2579(Top 23%)2579(Top 53%)
20M20.00 mi1.36 mi11923+522951+112951+1111487(Top 43%)2993(Top 26%)2993(Top 61%)
21M21.00 mi1.00 mi11945-222981-302981-3012263(Top 46%)3540(Top 31%)3540(Top 72%)
35K21.75 mi0.75 mi11895+502967+142967+1410847(Top 41%)2799(Top 25%)2799(Top 57%)
23M23.00 mi1.25 mi11881+142983-162983-1611946(Top 45%)3484(Top 30%)3484(Top 71%)
24M24.00 mi1.00 mi11821+602965+182965+1810803(Top 41%)2982(Top 26%)2982(Top 61%)
40K24.85 mi0.85 mi11759+622953+122953+1210674(Top 40%)2978(Top 26%)2978(Top 61%)
25.2M25.20 mi0.35 mi11764-52971-182971-1812500(Top 47%)3959(Top 35%)3959(Top 81%)
Finish26.22 mi1.02 mi11830-663028-573028-5713292(Top 50%)4351(Top 38%)4351(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

12327

Females

3094

F18-39

3094

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

13773

Females

3903

F18-39

3903

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

12327

Females

3094

F18-39

3094

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11251

Females

2543

F18-39

2543

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10498

Females

2153

F18-39

2153

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10359

Females

2166

F18-39

2166

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10868

Females

2579

F18-39

2579

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

11487

Females

2993

F18-39

2993

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

12263

Females

3540

F18-39

3540

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10847

Females

2799

F18-39

2799

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

11946

Females

3484

F18-39

3484

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

10803

Females

2982

F18-39

2982

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10674

Females

2978

F18-39

2978

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12500

Females

3959

F18-39

3959

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

13292

Females

4351

F18-39

4351

Passing Analysis

Category:
Athletes Passed
3212
Passed By
801
Net Change
+2411
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14241
5K → 10K430193+237#14241#14004
10K → 15K57529+546#14004#13458
15K → 20K62210+612#13458#12846
20K → Half1453+142#12846#12704
Half → 25K4197+412#12704#12292
25K → 30K37659+317#12292#11975
30K → 20M12068+52#11975#11923
20M → 21M79101-22#11923#11945
21M → 35K7626+50#11945#11895
35K → 23M9884+14#11895#11881
23M → 24M9737+60#11881#11821
24M → 40K9331+62#11821#11759
40K → 25.2M2934-5#11759#11764
25.2M → Finish53119-66#11764#11830
TOTALS3212801+2411
📊

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