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BOSTON MARATHON 2023

Katie Baker

Bib: 14721•F

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 28%
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
7:44/mi
24:01
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
47:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:21/mi
1:10:22
↑ 67↓ 78
20K· 12.43 mi
7:27/mi
1:33:30
↑ 106↓ 860.1%
Half· 13.11 mi
7:12/mi
1:38:25
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:56:42
↑ 66↓ 880.2%
30K· 18.64 mi
7:47/mi
2:20:52
↑ 181↓ 1480.2%
20M
7:55/mi
2:31:37
↑ 64↓ 500.2%
21M
8:29/mi
2:40:06
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:45:41
↑ 17↓ 861.7%
23M
7:56/mi
2:55:37
↑ 23↓ 630.6%
24M
7:39/mi
3:03:16
↓ 821.3%
40K· 24.85 mi
7:51/mi
3:09:59
↓ 200.3%
25.2M
8:27/mi
3:12:54
↑ 13↓ 160.2%
Finish· 26.22 mi
7:37/mi
3:20:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:25
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:42:15
Pace7:48 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5324:017:4424:01
7:44
-
10K
6.21 mi11:16:2447:327:3923:31
7:34
-0:10
15K
9.32 mi11:39:141:10:227:3322:50
7:21
-0:13
20K
12.43 mi12:02:221:33:307:3123:08
7:27
+0:06
Half
13.11 mi12:07:171:38:257:304:55
7:12
-0:15
25K
15.53 mi12:25:341:56:427:3118:17
7:32
+0:20
30K
18.64 mi12:49:442:20:527:3324:10
7:47
+0:15
20M
20.00 mi13:00:292:31:377:3510:45
7:55
+0:08
21M
21.00 mi13:08:582:40:067:378:29
8:29
+0:34
35K
21.75 mi13:14:332:45:417:375:35
7:28
-1:01
23M
23.00 mi13:24:292:55:377:389:56
7:56
+0:28
24M
24.00 mi13:32:083:03:167:387:39
7:39
-0:17
40K
24.85 mi13:38:513:09:597:396:43
7:51
+0:12
25.2M
25.20 mi13:41:463:12:547:392:55
8:27
+0:36
Finish
26.22 mi13:49:323:20:407:407:46
7:37
-0:50

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

7:12 /mi

Average Pace

7:40 /mi

Slowest Pace

8:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:20

89% of race

Time at Steady Pace

21:20

11% 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 mi10:52:5324:017:4424:01
7:44
#11733
10K
6.21 mi11:16:2447:327:3923:31
7:34
#11351
15K
9.32 mi11:39:141:10:227:3322:50
7:21
#10497
20K
12.43 mi12:02:221:33:307:3123:08
7:27
#10045
Half
13.11 mi12:07:171:38:257:304:55
7:12
#9912
25K
15.53 mi12:25:341:56:427:3118:17
7:32
#9761
30K
18.64 mi12:49:442:20:527:3324:10
7:47
#9639
20M
20.00 mi13:00:292:31:377:3510:45
7:55
#9607
21M
21.00 mi13:08:582:40:067:378:29
8:29
#9635
35K
21.75 mi13:14:332:45:417:375:35
7:28
#9554
23M
23.00 mi13:24:292:55:377:389:56
7:56
#9498
24M
24.00 mi13:32:083:03:167:387:39
7:39
#9455
40K
24.85 mi13:38:513:09:597:396:43
7:51
#9408
25.2M
25.20 mi13:41:463:12:547:392:55
8:27
#9386
Finish
26.22 mi13:49:323:20:407:407:46
7:37
#9370
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11733270727078946(Top 34%)1427(Top 12%)1427(Top 29%)
10K6.21 mi3.10 mi11351+3822520+1872520+18711051(Top 42%)2338(Top 20%)2338(Top 48%)
15K9.32 mi3.11 mi10497+8542060+4602060+4608946(Top 34%)1427(Top 12%)1427(Top 29%)
20K12.43 mi3.11 mi10045+4521848+2121848+2128888(Top 33%)1443(Top 13%)1443(Top 30%)
Half13.11 mi0.68 mi9912+1331798+501798+508001(Top 30%)1110(Top 10%)1110(Top 23%)
25K15.53 mi2.42 mi9761+1511745+531745+539107(Top 34%)1600(Top 14%)1600(Top 33%)
30K18.64 mi3.11 mi9639+1221734+111734+119209(Top 35%)1801(Top 16%)1801(Top 37%)
20M20.00 mi1.36 mi9607+321756-221756-229646(Top 36%)2081(Top 18%)2081(Top 43%)
21M21.00 mi1.00 mi9635-281779-231779-2310400(Top 39%)2571(Top 23%)2571(Top 53%)
35K21.75 mi0.75 mi9554+811767+121767+128323(Top 31%)1625(Top 14%)1625(Top 33%)
23M23.00 mi1.25 mi9498+561766+11766+19316(Top 35%)2176(Top 19%)2176(Top 45%)
24M24.00 mi1.00 mi9455+431777-111777-118777(Top 33%)1989(Top 17%)1989(Top 41%)
40K24.85 mi0.85 mi9408+471793-161793-169063(Top 34%)2195(Top 19%)2195(Top 45%)
25.2M25.20 mi0.35 mi9386+221796-31796-39292(Top 35%)2351(Top 21%)2351(Top 48%)
Finish26.22 mi1.02 mi9370+161804-81804-89436(Top 35%)2441(Top 21%)2441(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

8946

Females

1427

F18-39

1427

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11051

Females

2338

F18-39

2338

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

8946

Females

1427

F18-39

1427

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

8888

Females

1443

F18-39

1443

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8001

Females

1110

F18-39

1110

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9107

Females

1600

F18-39

1600

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9209

Females

1801

F18-39

1801

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9646

Females

2081

F18-39

2081

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

10400

Females

2571

F18-39

2571

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

8323

Females

1625

F18-39

1625

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9316

Females

2176

F18-39

2176

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8777

Females

1989

F18-39

1989

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9063

Females

2195

F18-39

2195

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9292

Females

2351

F18-39

2351

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9436

Females

2441

F18-39

2441

Passing Analysis

Category:
Athletes Passed
3049*
Passed By
686
Net Change
+2363
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11733
5K → 10K526144+382#11733#11351
10K → 15K86511+854#11351#10497
15K → 20K467*15+452#10497#10045
20K → Half133*0+133#10045#9912
Half → 25K19342+151#9912#9761
25K → 30K221*99+122#9761#9639
30K → 20M9866+32#9639#9607
20M → 21M6795-28#9607#9635
21M → 35K9211+81#9635#9554
35K → 23M11256+56#9554#9498
23M → 24M9047+43#9498#9455
24M → 40K87*40+47#9455#9408
40K → 25.2M3614+22#9408#9386
25.2M → Finish6246+16#9386#9370
TOTALS3049*686+2363

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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