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BOSTON MARATHON 2023

Kristen Morrill

Bib: 26353•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:15/mi
28:45
↑ 97↓ 3451.5%
10K· 6.21 mi
8:51/mi
56:16
↑ 79↓ 1380.4%
15K· 9.32 mi
8:52/mi
1:23:49
↑ 67↓ 78
20K· 12.43 mi
8:55/mi
1:51:32
↑ 106↓ 860.1%
Half· 13.11 mi
8:59/mi
1:57:40
↑ 19↓ 370.5%
25K· 15.53 mi
9:11/mi
2:19:57
↑ 66↓ 880.2%
30K· 18.64 mi
9:37/mi
2:49:49
↑ 181↓ 1480.2%
20M
10:06/mi
3:03:33
↑ 64↓ 500.2%
21M
12:55/mi
3:16:28
↑ 106↓ 241.6%
35K· 21.75 mi
9:57/mi
3:23:55
↑ 17↓ 861.7%
23M
10:17/mi
3:36:48
↑ 23↓ 630.6%
24M
10:19/mi
3:47:07
↓ 821.3%
40K· 24.85 mi
10:49/mi
3:56:22
↓ 200.3%
25.2M
11:10/mi
4:00:13
↑ 13↓ 160.2%
Finish· 26.22 mi
9:56/mi
4:10:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:40
Pace8:59 /mi
2nd Half
Distance13.11 mi
Time2:12:40
Pace10:07 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:0428:459:1528:45
9:15
-
10K
6.21 mi12:13:3556:169:0327:31
8:51
-0:24
15K
9.32 mi12:41:081:23:499:0027:33
8:52
+0:01
20K
12.43 mi13:08:511:51:328:5827:43
8:55
+0:03
Half
13.11 mi13:14:591:57:408:596:08
8:59
+0:04
25K
15.53 mi13:37:162:19:579:0122:17
9:11
+0:12
30K
18.64 mi14:07:082:49:499:0729:52
9:37
+0:26
20M
20.00 mi14:20:523:03:339:1113:44
10:06
+0:29
21M
21.00 mi14:33:473:16:289:2112:55
12:55
+2:49
35K
21.75 mi14:41:143:23:559:237:27
9:57
-2:58
23M
23.00 mi14:54:073:36:489:2612:53
10:17
+0:20
24M
24.00 mi15:04:263:47:079:2810:19
10:19
+0:02
40K
24.85 mi15:13:413:56:229:319:15
10:49
+0:30
25.2M
25.20 mi15:17:324:00:139:323:51
11:10
+0:21
Finish
26.22 mi15:27:394:10:209:3310:07
9:56
-1:14

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

8:51 /mi

Average Pace

9:33 /mi

Slowest Pace

12:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:57

56% of race

Time at Steady Pace

1:24:22

34% of race

Time at Slower Pace

26:01

10% of race

Average Pace: 9:33 /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 mi11:46:0428:459:1528:45
9:15
#21394
10K
6.21 mi12:13:3556:169:0327:31
8:51
#20879
15K
9.32 mi12:41:081:23:499:0027:33
8:52
#20531
20K
12.43 mi13:08:511:51:328:5827:43
8:55
#20247
Half
13.11 mi13:14:591:57:408:596:08
8:59
#20252
25K
15.53 mi13:37:162:19:579:0122:17
9:11
#20156
30K
18.64 mi14:07:082:49:499:0729:52
9:37
#20100
20M
20.00 mi14:20:523:03:339:1113:44
10:06
#20168
21M
21.00 mi14:33:473:16:289:2112:55
12:55
#20527
35K
21.75 mi14:41:143:23:559:237:27
9:57
#20550
23M
23.00 mi14:54:073:36:489:2612:53
10:17
#20554
24M
24.00 mi15:04:263:47:079:2810:19
10:19
#20606
40K
24.85 mi15:13:413:56:229:319:15
10:49
#20664
25.2M
25.20 mi15:17:324:00:139:323:51
11:10
#20673
Finish
26.22 mi15:27:394:10:209:3310:07
9:56
#20698
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi213948575857519898(Top 75%)7633(Top 67%)7633(Top 406%)
10K6.21 mi3.10 mi20879+5158252+3238252+32320214(Top 76%)7831(Top 69%)7831(Top 417%)
15K9.32 mi3.11 mi20531+3488033+2198033+21919898(Top 75%)7633(Top 67%)7633(Top 406%)
20K12.43 mi3.11 mi20247+2847861+1727861+17219334(Top 73%)7286(Top 64%)7286(Top 388%)
Half13.11 mi0.68 mi20252-57859+27859+220441(Top 77%)7939(Top 70%)7939(Top 423%)
25K15.53 mi2.42 mi20156+967794+657794+6519816(Top 74%)7595(Top 66%)7595(Top 404%)
30K18.64 mi3.11 mi20100+567783+117783+1119845(Top 75%)7679(Top 67%)7679(Top 409%)
20M20.00 mi1.36 mi20168-687840-577840-5720765(Top 78%)8285(Top 73%)8285(Top 441%)
21M21.00 mi1.00 mi20527-3598043-2038043-20323990(Top 90%)10078(Top 88%)10078(Top 537%)
35K21.75 mi0.75 mi20550-238062-198062-1921161(Top 79%)8575(Top 75%)8575(Top 457%)
23M23.00 mi1.25 mi20554-48081-198081-1920814(Top 78%)8414(Top 74%)8414(Top 448%)
24M24.00 mi1.00 mi20606-528130-498130-4921608(Top 81%)8896(Top 78%)8896(Top 474%)
40K24.85 mi0.85 mi20664-588166-368166-3621978(Top 83%)9138(Top 80%)9138(Top 487%)
25.2M25.20 mi0.35 mi20673-98177-118177-1120847(Top 78%)8499(Top 74%)8499(Top 453%)
Finish26.22 mi1.02 mi20698-258199-228199-2221565(Top 81%)8886(Top 78%)8886(Top 473%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

19898

Females

7633

F40-44

7633

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

20214

Females

7831

F40-44

7831

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

19898

Females

7633

F40-44

7633

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

19334

Females

7286

F40-44

7286

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

20441

Females

7939

F40-44

7939

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

19816

Females

7595

F40-44

7595

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19845

Females

7679

F40-44

7679

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

20765

Females

8285

F40-44

8285

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

23990

Females

10078

F40-44

10078

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

21161

Females

8575

F40-44

8575

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

20814

Females

8414

F40-44

8414

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

21608

Females

8896

F40-44

8896

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

21978

Females

9138

F40-44

9138

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20847

Females

8499

F40-44

8499

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21565

Females

8886

F40-44

8886

Passing Analysis

Category:
Athletes Passed
2006
Passed By
1310
Net Change
+696
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21394
5K → 10K61297+515#21394#20879
10K → 15K40355+348#20879#20531
15K → 20K33046+284#20531#20247
20K → Half3035-5#20247#20252
Half → 25K17074+96#20252#20156
25K → 30K180124+56#20156#20100
30K → 20M68136-68#20100#20168
20M → 21M13372-359#20168#20527
21M → 35K3659-23#20527#20550
35K → 23M6771-4#20550#20554
23M → 24M3082-52#20554#20606
24M → 40K2381-58#20606#20664
40K → 25.2M1322-9#20664#20673
25.2M → Finish3156-25#20673#20698
TOTALS20061310+696
📊

Passing Visuals

Category:
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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