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BOSTON MARATHON 2023

Katie Lorah

Bib: 20689•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 46%
Masters (Masters Women)
#0 / 6539
Top 35%
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
8:23/mi
26:02
↑ 97↓ 3451.5%
10K· 6.21 mi
8:07/mi
51:14
↑ 79↓ 1380.4%
15K· 9.32 mi
8:07/mi
1:16:26
↑ 67↓ 78
20K· 12.43 mi
8:25/mi
1:42:36
↑ 106↓ 860.1%
Half· 13.11 mi
8:20/mi
1:48:17
↑ 19↓ 370.5%
25K· 15.53 mi
8:26/mi
2:08:45
↑ 66↓ 880.2%
30K· 18.64 mi
8:41/mi
2:35:45
↑ 181↓ 1480.2%
20M
8:44/mi
2:47:37
↑ 64↓ 500.2%
21M
9:12/mi
2:56:49
↑ 106↓ 241.6%
35K· 21.75 mi
8:33/mi
3:03:13
↑ 17↓ 861.7%
23M
8:50/mi
3:14:16
↑ 23↓ 630.6%
24M
8:39/mi
3:22:55
↓ 821.3%
40K· 24.85 mi
8:54/mi
3:30:32
↓ 200.3%
25.2M
9:28/mi
3:33:48
↑ 13↓ 160.2%
Finish· 26.22 mi
8:48/mi
3:42:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:17
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:54:29
Pace8:44 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3926:028:2326:02
8:23
-
10K
6.21 mi11:43:5151:148:1525:12
8:07
-0:16
15K
9.32 mi12:09:031:16:268:1225:12
8:07
0:00
20K
12.43 mi12:35:131:42:368:1526:10
8:25
+0:18
Half
13.11 mi12:40:541:48:178:165:41
8:20
-0:05
25K
15.53 mi13:01:222:08:458:1720:28
8:26
+0:06
30K
18.64 mi13:28:222:35:458:2127:00
8:41
+0:15
20M
20.00 mi13:40:142:47:378:2311:52
8:44
+0:03
21M
21.00 mi13:49:262:56:498:259:12
9:12
+0:28
35K
21.75 mi13:55:503:03:138:256:24
8:33
-0:39
23M
23.00 mi14:06:533:14:168:2711:03
8:50
+0:17
24M
24.00 mi14:15:323:22:558:278:39
8:39
-0:11
40K
24.85 mi14:23:093:30:328:287:37
8:54
+0:15
25.2M
25.20 mi14:26:253:33:488:293:16
9:28
+0:34
Finish
26.22 mi14:35:233:42:468:308:58
8:48
-0:40

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

8:07 /mi

Average Pace

8:30 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:30:18

94% of race

Time at Steady Pace

12:28

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:30 /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 mi11:18:3926:028:2326:02
8:23
#16731
10K
6.21 mi11:43:5151:148:1525:12
8:07
#16159
15K
9.32 mi12:09:031:16:268:1225:12
8:07
#15831
20K
12.43 mi12:35:131:42:368:1526:10
8:25
#15957
Half
13.11 mi12:40:541:48:178:165:41
8:20
#15990
25K
15.53 mi13:01:222:08:458:1720:28
8:26
#15960
30K
18.64 mi13:28:222:35:458:2127:00
8:41
#15841
20M
20.00 mi13:40:142:47:378:2311:52
8:44
#15744
21M
21.00 mi13:49:262:56:498:259:12
9:12
#15665
35K
21.75 mi13:55:503:03:138:256:24
8:33
#15654
23M
23.00 mi14:06:533:14:168:2711:03
8:50
#15602
24M
24.00 mi14:15:323:22:558:278:39
8:39
#15574
40K
24.85 mi14:23:093:30:328:287:37
8:54
#15591
25.2M
25.20 mi14:26:253:33:488:293:16
9:28
#15587
Finish
26.22 mi14:35:233:42:468:308:58
8:48
#15635
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi167315746574615256(Top 57%)4830(Top 42%)4830(Top 257%)
10K6.21 mi3.10 mi16159+5725371+3755371+37515603(Top 59%)5020(Top 44%)5020(Top 267%)
15K9.32 mi3.11 mi15831+3285172+1995172+19915256(Top 57%)4830(Top 42%)4830(Top 257%)
20K12.43 mi3.11 mi15957-1265278-1065278-10616380(Top 62%)5575(Top 49%)5575(Top 297%)
Half13.11 mi0.68 mi15990-335305-275305-2716691(Top 63%)5702(Top 50%)5702(Top 304%)
25K15.53 mi2.42 mi15960+305310-55310-515859(Top 60%)5355(Top 47%)5355(Top 285%)
30K18.64 mi3.11 mi15841+1195277+335277+3315469(Top 58%)5203(Top 46%)5203(Top 277%)
20M20.00 mi1.36 mi15744+975234+435234+4315082(Top 57%)5049(Top 44%)5049(Top 269%)
21M21.00 mi1.00 mi15665+795223+115223+1114506(Top 54%)4769(Top 42%)4769(Top 254%)
35K21.75 mi0.75 mi15654+115228-55228-515613(Top 59%)5472(Top 48%)5472(Top 291%)
23M23.00 mi1.25 mi15602+525227+15227+115145(Top 57%)5262(Top 46%)5262(Top 280%)
24M24.00 mi1.00 mi15574+285230-35230-315379(Top 58%)5460(Top 48%)5460(Top 291%)
40K24.85 mi0.85 mi15591-175239-95239-915680(Top 59%)5672(Top 50%)5672(Top 302%)
25.2M25.20 mi0.35 mi15587+45244-55244-515116(Top 57%)5370(Top 47%)5370(Top 286%)
Finish26.22 mi1.02 mi15635-485277-335277-3317046(Top 64%)6398(Top 56%)6398(Top 341%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15256

Females

4830

F40-44

4830

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15603

Females

5020

F40-44

5020

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15256

Females

4830

F40-44

4830

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

16380

Females

5575

F40-44

5575

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

16691

Females

5702

F40-44

5702

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15859

Females

5355

F40-44

5355

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

15469

Females

5203

F40-44

5203

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

15082

Females

5049

F40-44

5049

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

14506

Females

4769

F40-44

4769

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15613

Females

5472

F40-44

5472

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

15145

Females

5262

F40-44

5262

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

15379

Females

5460

F40-44

5460

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15680

Females

5672

F40-44

5672

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15116

Females

5370

F40-44

5370

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

17046

Females

6398

F40-44

6398

Passing Analysis

Category:
Athletes Passed
2243
Passed By
1147
Net Change
+1096
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16731
5K → 10K682110+572#16731#16159
10K → 15K39466+328#16159#15831
15K → 20K126252-126#15831#15957
20K → Half1952-33#15957#15990
Half → 25K154124+30#15990#15960
25K → 30K226107+119#15960#15841
30K → 20M14548+97#15841#15744
20M → 21M13152+79#15744#15665
21M → 35K5140+11#15665#15654
35K → 23M10351+52#15654#15602
23M → 24M7749+28#15602#15574
24M → 40K5774-17#15574#15591
40K → 25.2M3026+4#15591#15587
25.2M → Finish4896-48#15587#15635
TOTALS22431147+1096
📊

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