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BOSTON MARATHON 2023

Casey Novak

Bib: 11789•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 31%
Gender (Female)
#0 / 11423
Top 12%
Division (F18-39)
#0 / 4884
Top 22%
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
7:35/mi
23:34
↑ 97↓ 3451.5%
10K· 6.21 mi
7:16/mi
46:08
↑ 79↓ 1380.4%
15K· 9.32 mi
7:17/mi
1:08:45
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:31:39
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:36:38
↑ 19↓ 370.5%
25K· 15.53 mi
7:28/mi
1:54:45
↑ 66↓ 880.2%
30K· 18.64 mi
7:40/mi
2:18:35
↑ 181↓ 1480.2%
20M
7:42/mi
2:29:03
↑ 64↓ 500.2%
21M
8:00/mi
2:37:03
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:42:44
↑ 17↓ 861.7%
23M
7:53/mi
2:52:36
↑ 23↓ 630.6%
24M
7:47/mi
3:00:23
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:06:51
↓ 200.3%
25.2M
8:07/mi
3:09:39
↑ 13↓ 160.2%
Finish· 26.22 mi
7:10/mi
3:16:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:38
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:40:19
Pace7:39 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1923:347:3523:34
7:35
-
10K
6.21 mi11:12:5346:087:2522:34
7:16
-0:19
15K
9.32 mi11:35:301:08:457:2322:37
7:17
+0:01
20K
12.43 mi11:58:241:31:397:2222:54
7:22
+0:05
Half
13.11 mi12:03:231:36:387:224:59
7:18
-0:04
25K
15.53 mi12:21:301:54:457:2318:07
7:28
+0:10
30K
18.64 mi12:45:202:18:357:2623:50
7:40
+0:12
20M
20.00 mi12:55:482:29:037:2710:28
7:42
+0:02
21M
21.00 mi13:03:482:37:037:298:00
8:00
+0:18
35K
21.75 mi13:09:292:42:447:295:41
7:36
-0:24
23M
23.00 mi13:19:212:52:367:309:52
7:53
+0:17
24M
24.00 mi13:27:083:00:237:317:47
7:47
-0:06
40K
24.85 mi13:33:363:06:517:316:28
7:34
-0:13
25.2M
25.20 mi13:36:243:09:397:322:48
8:07
+0:33
Finish
26.22 mi13:43:423:16:577:317:18
7:10
-0:57

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

7:10 /mi

Average Pace

7:31 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:17

90% of race

Time at Steady Pace

20:40

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:31 /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 mi10:50:1923:347:3523:34
7:35
#10407
10K
6.21 mi11:12:5346:087:2522:34
7:16
#9376
15K
9.32 mi11:35:301:08:457:2322:37
7:17
#9022
20K
12.43 mi11:58:241:31:397:2222:54
7:22
#8810
Half
13.11 mi12:03:231:36:387:224:59
7:18
#8791
25K
15.53 mi12:21:301:54:457:2318:07
7:28
#8736
30K
18.64 mi12:45:202:18:357:2623:50
7:40
#8642
20M
20.00 mi12:55:482:29:037:2710:28
7:42
#8580
21M
21.00 mi13:03:482:37:037:298:00
8:00
#8493
35K
21.75 mi13:09:292:42:447:295:41
7:36
#8505
23M
23.00 mi13:19:212:52:367:309:52
7:53
#8506
24M
24.00 mi13:27:083:00:237:317:47
7:47
#8522
40K
24.85 mi13:33:363:06:517:316:28
7:34
#8451
25.2M
25.20 mi13:36:243:09:397:322:48
8:07
#8415
Finish
26.22 mi13:43:423:16:577:317:18
7:10
#8284
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10407203720378414(Top 32%)1218(Top 11%)1218(Top 25%)
10K6.21 mi3.10 mi9376+10311559+4781559+4788603(Top 32%)1264(Top 11%)1264(Top 26%)
15K9.32 mi3.11 mi9022+3541433+1261433+1268414(Top 32%)1218(Top 11%)1218(Top 25%)
20K12.43 mi3.11 mi8810+2121358+751358+758317(Top 31%)1228(Top 11%)1228(Top 25%)
Half13.11 mi0.68 mi8791+191354+41354+48702(Top 33%)1362(Top 12%)1362(Top 28%)
25K15.53 mi2.42 mi8736+551349+51349+58585(Top 32%)1376(Top 12%)1376(Top 28%)
30K18.64 mi3.11 mi8642+941354-51354-58448(Top 32%)1484(Top 13%)1484(Top 30%)
20M20.00 mi1.36 mi8580+621349+51349+58225(Top 31%)1484(Top 13%)1484(Top 30%)
21M21.00 mi1.00 mi8493+871335+141335+147378(Top 28%)1274(Top 11%)1274(Top 26%)
35K21.75 mi0.75 mi8505-121354-191354-199268(Top 35%)2021(Top 18%)2021(Top 41%)
23M23.00 mi1.25 mi8506-11375-211375-218954(Top 34%)1998(Top 17%)1998(Top 41%)
24M24.00 mi1.00 mi8522-161398-231398-239666(Top 36%)2415(Top 21%)2415(Top 49%)
40K24.85 mi0.85 mi8451+711394+41394+47131(Top 27%)1418(Top 12%)1418(Top 29%)
25.2M25.20 mi0.35 mi8415+361391+31391+37274(Top 27%)1518(Top 13%)1518(Top 31%)
Finish26.22 mi1.02 mi8284+1311366+251366+256217(Top 23%)1141(Top 10%)1141(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8414

Females

1218

F18-39

1218

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

8603

Females

1264

F18-39

1264

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8414

Females

1218

F18-39

1218

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8317

Females

1228

F18-39

1228

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

8702

Females

1362

F18-39

1362

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8585

Females

1376

F18-39

1376

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8448

Females

1484

F18-39

1484

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8225

Females

1484

F18-39

1484

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7378

Females

1274

F18-39

1274

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9268

Females

2021

F18-39

2021

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

8954

Females

1998

F18-39

1998

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9666

Females

2415

F18-39

2415

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7131

Females

1418

F18-39

1418

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7274

Females

1518

F18-39

1518

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6217

Females

1141

F18-39

1141

Passing Analysis

Category:
Athletes Passed
2777*
Passed By
654
Net Change
+2123
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10407
5K → 10K1073*42+1031#10407#9376
10K → 15K38127+354#9376#9022
15K → 20K25038+212#9022#8810
20K → Half3415+19#8810#8791
Half → 25K13277+55#8791#8736
25K → 30K208114+94#8736#8642
30K → 20M11048+62#8642#8580
20M → 21M11730+87#8580#8493
21M → 35K3850-12#8493#8505
35K → 23M8283-1#8505#8506
23M → 24M6076-16#8506#8522
24M → 40K9928+71#8522#8451
40K → 25.2M4711+36#8451#8415
25.2M → Finish14615+131#8415#8284
TOTALS2777*654+2123

* 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