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BOSTON MARATHON 2023

Kayla Roth

Bib: 12457•F

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 27%
Gender (Female)
#0 / 11423
Top 8%
Division (F18-39)
#0 / 4884
Top 15%
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
7:27/mi
23:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:21/mi
46:00
↑ 79↓ 1380.4%
15K· 9.32 mi
7:19/mi
1:08:43
↑ 67↓ 78
20K· 12.43 mi
7:31/mi
1:32:04
↑ 106↓ 860.1%
Half· 13.11 mi
7:15/mi
1:37:01
↑ 19↓ 370.5%
25K· 15.53 mi
7:19/mi
1:54:45
↑ 66↓ 880.2%
30K· 18.64 mi
7:25/mi
2:17:49
↑ 181↓ 1480.2%
20M
7:19/mi
2:27:46
↑ 64↓ 500.2%
21M
7:41/mi
2:35:27
↑ 106↓ 241.6%
35K· 21.75 mi
7:04/mi
2:40:44
↑ 17↓ 861.7%
23M
7:20/mi
2:49:55
↑ 23↓ 630.6%
24M
7:09/mi
2:57:04
↓ 821.3%
40K· 24.85 mi
7:05/mi
3:03:07
↓ 200.3%
25.2M
7:38/mi
3:05:45
↑ 13↓ 160.2%
Finish· 26.22 mi
6:50/mi
3:12:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:37:01
Pace7:24 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:35:42
Pace7:18 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5223:097:2723:09
7:27
-
10K
6.21 mi11:13:4346:007:2422:51
7:21
-0:06
15K
9.32 mi11:36:261:08:437:2222:43
7:19
-0:02
20K
12.43 mi11:59:471:32:047:2523:21
7:31
+0:12
Half
13.11 mi12:04:441:37:017:244:57
7:15
-0:16
25K
15.53 mi12:22:281:54:457:2317:44
7:19
+0:04
30K
18.64 mi12:45:322:17:497:2423:04
7:25
+0:06
20M
20.00 mi12:55:292:27:467:239:57
7:19
-0:06
21M
21.00 mi13:03:102:35:277:247:41
7:41
+0:22
35K
21.75 mi13:08:272:40:447:235:17
7:04
-0:37
23M
23.00 mi13:17:382:49:557:239:11
7:20
+0:16
24M
24.00 mi13:24:472:57:047:237:09
7:09
-0:11
40K
24.85 mi13:30:503:03:077:226:03
7:05
-0:04
25.2M
25.20 mi13:33:283:05:457:222:38
7:38
+0:33
Finish
26.22 mi13:40:263:12:437:216:58
6:50
-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

6:50 /mi

Average Pace

7:21 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:02:24

95% of race

Time at Steady Pace

10:19

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:21 /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 mi10:50:5223:097:2723:09
7:27
#9235
10K
6.21 mi11:13:4346:007:2422:51
7:21
#9205
15K
9.32 mi11:36:261:08:437:2222:43
7:19
#8999
20K
12.43 mi11:59:471:32:047:2523:21
7:31
#9067
Half
13.11 mi12:04:441:37:017:244:57
7:15
#9023
25K
15.53 mi12:22:281:54:457:2317:44
7:19
#8733
30K
18.64 mi12:45:322:17:497:2423:04
7:25
#8309
20M
20.00 mi12:55:292:27:467:239:57
7:19
#8088
21M
21.00 mi13:03:102:35:277:247:41
7:41
#7882
35K
21.75 mi13:08:272:40:447:235:17
7:04
#7784
23M
23.00 mi13:17:382:49:557:239:11
7:20
#7594
24M
24.00 mi13:24:472:57:047:237:09
7:09
#7469
40K
24.85 mi13:30:503:03:077:226:03
7:05
#7315
25.2M
25.20 mi13:33:283:05:457:222:38
7:38
#7258
Finish
26.22 mi13:40:263:12:437:216:58
6:50
#7072
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9235149514958673(Top 33%)1304(Top 11%)1304(Top 27%)
10K6.21 mi3.10 mi9205+301497-21497-29272(Top 35%)1527(Top 13%)1527(Top 31%)
15K9.32 mi3.11 mi8999+2061422+751422+758673(Top 33%)1304(Top 11%)1304(Top 27%)
20K12.43 mi3.11 mi9067-681463-411463-419439(Top 35%)1661(Top 15%)1661(Top 34%)
Half13.11 mi0.68 mi9023+441453+101453+108284(Top 31%)1189(Top 10%)1189(Top 24%)
25K15.53 mi2.42 mi8733+2901346+1071346+1077384(Top 28%)969(Top 8%)969(Top 20%)
30K18.64 mi3.11 mi8309+4241233+1131233+1136751(Top 25%)848(Top 7%)848(Top 17%)
20M20.00 mi1.36 mi8088+2211165+681165+685793(Top 22%)655(Top 6%)655(Top 13%)
21M21.00 mi1.00 mi7882+2061100+651100+655559(Top 21%)687(Top 6%)687(Top 14%)
35K21.75 mi0.75 mi7784+981073+271073+275746(Top 22%)692(Top 6%)692(Top 14%)
23M23.00 mi1.25 mi7594+1901030+431030+435517(Top 21%)667(Top 6%)667(Top 14%)
24M24.00 mi1.00 mi7469+1251016+141016+145500(Top 21%)725(Top 6%)725(Top 15%)
40K24.85 mi0.85 mi7315+154981+35981+354287(Top 16%)478(Top 4%)478(Top 10%)
25.2M25.20 mi0.35 mi7258+57970+11970+114646(Top 17%)618(Top 5%)618(Top 13%)
Finish26.22 mi1.02 mi7072+186937+33937+334309(Top 16%)534(Top 5%)534(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8673

Females

1304

F18-39

1304

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9272

Females

1527

F18-39

1527

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8673

Females

1304

F18-39

1304

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9439

Females

1661

F18-39

1661

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8284

Females

1189

F18-39

1189

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7384

Females

969

F18-39

969

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

6751

Females

848

F18-39

848

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

5793

Females

655

F18-39

655

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

5559

Females

687

F18-39

687

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

5746

Females

692

F18-39

692

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5517

Females

667

F18-39

667

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5500

Females

725

F18-39

725

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4287

Females

478

F18-39

478

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4646

Females

618

F18-39

618

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4309

Females

534

F18-39

534

Passing Analysis

Category:
Athletes Passed
2722
Passed By
559
Net Change
+2163
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9235
5K → 10K281251+30#9235#9205
10K → 15K26761+206#9205#8999
15K → 20K105173-68#8999#9067
20K → Half517+44#9067#9023
Half → 25K2966+290#9023#8733
25K → 30K43915+424#8733#8309
30K → 20M2265+221#8309#8088
20M → 21M2115+206#8088#7882
21M → 35K1024+98#7882#7784
35K → 23M1988+190#7784#7594
23M → 24M13510+125#7594#7469
24M → 40K1573+154#7469#7315
40K → 25.2M592+57#7315#7258
25.2M → Finish1959+186#7258#7072
TOTALS2722559+2163
📊

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