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BOSTON MARATHON 2023

Kelsey Shumate

Bib: 12607•F

MS

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 16%
Division (F18-39)
#0 / 4884
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:17
Rank: #9596
Start → 5K
23:17 | 7:30/mi
10K· 6.21 mi
46:09
Rank: #9400 (+196)
5K → 10K
22:52 | 7:22/mi
15K· 9.32 mi
1:09:14
Rank: #9421 (-21)
10K → 15K
23:05 | 7:26/mi
20K· 12.43 mi
1:32:45
Rank: #9524 (-103)
15K → 20K
23:31 | 7:34/mi
Half· 13.11 mi
1:37:56
Rank: #9593 (-69)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
1:56:07
Rank: #9434 (+159)
Half → 25K
18:11 | 7:30/mi
30K· 18.64 mi
2:20:03
Rank: #9259 (+175)
25K → 30K
23:56 | 7:42/mi
20M
2:30:41
Rank: #9232 (+27)
30K → 20M
10:38 | 7:49/mi
21M
2:39:09
Rank: #9261 (-29)
20M → 21M
8:28 | 8:28/mi
35K· 21.75 mi
2:45:00
Rank: #9300 (-39)
21M → 35K
5:51 | 7:49/mi
23M
2:55:11
Rank: #9344 (-44)
35K → 23M
10:11 | 8:08/mi
24M
3:02:59
Rank: #9336 (+8)
23M → 24M
7:48 | 7:48/mi
40K· 24.85 mi
3:09:52
Rank: #9367 (-31)
24M → 40K
6:53 | 8:03/mi
25.2M
3:12:49
Rank: #9362 (+5)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:20:49
Rank: #9406 (-44)
25.2M → Finish
8:00 | 7:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:56
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:42:53
Pace7:51 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1323:177:3023:17
7:30
-
10K
6.21 mi11:14:0546:097:2622:52
7:22
-0:08
15K
9.32 mi11:37:101:09:147:2623:05
7:26
+0:04
20K
12.43 mi12:00:411:32:457:2823:31
7:34
+0:08
Half
13.11 mi12:05:521:37:567:285:11
7:36
+0:02
25K
15.53 mi12:24:031:56:077:2818:11
7:30
-0:06
30K
18.64 mi12:47:592:20:037:3123:56
7:42
+0:12
20M
20.00 mi12:58:372:30:417:3210:38
7:49
+0:07
21M
21.00 mi13:07:052:39:097:358:28
8:28
+0:39
35K
21.75 mi13:12:562:45:007:355:51
7:49
-0:39
23M
23.00 mi13:23:072:55:117:3710:11
8:08
+0:19
24M
24.00 mi13:30:553:02:597:377:48
7:48
-0:20
40K
24.85 mi13:37:483:09:527:386:53
8:03
+0:15
25.2M
25.20 mi13:40:453:12:497:392:57
8:33
+0:30
Finish
26.22 mi13:48:453:20:497:408:00
7:51
-0:42

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

7:22 /mi

Average Pace

7:40 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:13

89% of race

Time at Steady Pace

21:36

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:40 /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 mi10:51:1323:177:3023:17
7:30
#9596
10K
6.21 mi11:14:0546:097:2622:52
7:22
#9400
15K
9.32 mi11:37:101:09:147:2623:05
7:26
#9421
20K
12.43 mi12:00:411:32:457:2823:31
7:34
#9524
Half
13.11 mi12:05:521:37:567:285:11
7:36
#9593
25K
15.53 mi12:24:031:56:077:2818:11
7:30
#9434
30K
18.64 mi12:47:592:20:037:3123:56
7:42
#9259
20M
20.00 mi12:58:372:30:417:3210:38
7:49
#9232
21M
21.00 mi13:07:052:39:097:358:28
8:28
#9261
35K
21.75 mi13:12:562:45:007:355:51
7:49
#9300
23M
23.00 mi13:23:072:55:117:3710:11
8:08
#9344
24M
24.00 mi13:30:553:02:597:377:48
7:48
#9336
40K
24.85 mi13:37:483:09:527:386:53
8:03
#9367
25.2M
25.20 mi13:40:453:12:497:392:57
8:33
#9362
Finish
26.22 mi13:48:453:20:497:408:00
7:51
#9406
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9596166216629614(Top 36%)1670(Top 15%)1670(Top 34%)
10K6.21 mi3.10 mi9400+1961573+891573+899320(Top 35%)1553(Top 14%)1553(Top 32%)
15K9.32 mi3.11 mi9421-211587-141587-149614(Top 36%)1670(Top 15%)1670(Top 34%)
20K12.43 mi3.11 mi9524-1031639-521639-529862(Top 37%)1853(Top 16%)1853(Top 38%)
Half13.11 mi0.68 mi9593-691663-241663-2411014(Top 41%)2356(Top 21%)2356(Top 48%)
25K15.53 mi2.42 mi9434+1591625+381625+388808(Top 33%)1487(Top 13%)1487(Top 30%)
30K18.64 mi3.11 mi9259+1751589+361589+368682(Top 33%)1591(Top 14%)1591(Top 33%)
20M20.00 mi1.36 mi9232+271607-181607-189087(Top 34%)1827(Top 16%)1827(Top 37%)
21M21.00 mi1.00 mi9261-291640-331640-3310297(Top 39%)2524(Top 22%)2524(Top 52%)
35K21.75 mi0.75 mi9300-391672-321672-3210821(Top 41%)2773(Top 24%)2773(Top 57%)
23M23.00 mi1.25 mi9344-441709-371709-3710714(Top 40%)2869(Top 25%)2869(Top 59%)
24M24.00 mi1.00 mi9336+81727-181727-189810(Top 37%)2495(Top 22%)2495(Top 51%)
40K24.85 mi0.85 mi9367-311775-481775-4810385(Top 39%)2827(Top 25%)2827(Top 58%)
25.2M25.20 mi0.35 mi9362+51784-91784-99906(Top 37%)2622(Top 23%)2622(Top 54%)
Finish26.22 mi1.02 mi9406-441821-371821-3711052(Top 42%)3217(Top 28%)3217(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9614

Females

1670

F18-39

1670

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9320

Females

1553

F18-39

1553

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9614

Females

1670

F18-39

1670

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9862

Females

1853

F18-39

1853

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

11014

Females

2356

F18-39

2356

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8808

Females

1487

F18-39

1487

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8682

Females

1591

F18-39

1591

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9087

Females

1827

F18-39

1827

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10297

Females

2524

F18-39

2524

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10821

Females

2773

F18-39

2773

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10714

Females

2869

F18-39

2869

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

9810

Females

2495

F18-39

2495

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10385

Females

2827

F18-39

2827

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9906

Females

2622

F18-39

2622

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11052

Females

3217

F18-39

3217

Passing Analysis

Category:
Athletes Passed
1561*
Passed By
1371
Net Change
+190
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9596
5K → 10K387191+196#9596#9400
10K → 15K145166-21#9400#9421
15K → 20K101204-103#9421#9524
20K → Half776-69#9524#9593
Half → 25K20142+159#9593#9434
25K → 30K258*83+175#9434#9259
30K → 20M8861+27#9259#9232
20M → 21M79108-29#9232#9261
21M → 35K3574-39#9261#9300
35K → 23M66110-44#9300#9344
23M → 24M6759+8#9344#9336
24M → 40K6192-31#9336#9367
40K → 25.2M3025+5#9367#9362
25.2M → Finish3680-44#9362#9406
TOTALS1561*1371+190

* 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