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BOSTON MARATHON 2023

Cat Granskog

Bib: 11584•F

CT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 21%
Gender (Female)
#0 / 11423
Top 5%
Division (F18-39)
#0 / 4884
Top 9%
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
7:13/mi
22:26
↑ 97↓ 3451.5%
10K· 6.21 mi
7:09/mi
44:39
↑ 79↓ 1380.4%
15K· 9.32 mi
6:59/mi
1:06:20
↑ 67↓ 78
20K· 12.43 mi
6:59/mi
1:28:02
↑ 106↓ 860.1%
Half· 13.11 mi
6:49/mi
1:32:41
↑ 19↓ 370.5%
25K· 15.53 mi
7:01/mi
1:49:42
↑ 66↓ 880.2%
30K· 18.64 mi
7:00/mi
2:11:28
↑ 181↓ 1480.2%
20M
7:01/mi
2:21:00
↑ 64↓ 500.2%
21M
7:32/mi
2:28:32
↑ 106↓ 241.6%
35K· 21.75 mi
6:48/mi
2:33:37
↑ 17↓ 861.7%
23M
7:20/mi
2:42:48
↑ 23↓ 630.6%
24M
7:16/mi
2:50:04
↓ 821.3%
40K· 24.85 mi
7:19/mi
2:56:19
↓ 200.3%
25.2M
8:10/mi
2:59:08
↑ 13↓ 160.2%
Finish· 26.22 mi
7:20/mi
3:06:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:41
Pace7:04 /mi
2nd Half
Distance13.11 mi
Time1:33:55
Pace7:10 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:0522:267:1322:26
7:13
-
10K
6.21 mi11:11:1844:397:1122:13
7:09
-0:04
15K
9.32 mi11:32:591:06:207:0721:41
6:59
-0:10
20K
12.43 mi11:54:411:28:027:0521:42
6:59
0:00
Half
13.11 mi11:59:201:32:417:044:39
6:49
-0:10
25K
15.53 mi12:16:211:49:427:0417:01
7:01
+0:12
30K
18.64 mi12:38:072:11:287:0321:46
7:00
-0:01
20M
20.00 mi12:47:392:21:007:039:32
7:01
+0:01
21M
21.00 mi12:55:112:28:327:047:32
7:32
+0:31
35K
21.75 mi13:00:162:33:377:045:05
6:48
-0:44
23M
23.00 mi13:09:272:42:487:059:11
7:20
+0:32
24M
24.00 mi13:16:432:50:047:057:16
7:16
-0:04
40K
24.85 mi13:22:582:56:197:066:15
7:19
+0:03
25.2M
25.20 mi13:25:472:59:087:072:49
8:10
+0:51
Finish
26.22 mi13:33:153:06:367:077:28
7:20
-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

6:48 /mi

Average Pace

7:07 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

53:07

28% of race

Time at Steady Pace

1:40:14

54% of race

Time at Slower Pace

33:15

18% of race

Average Pace: 7:07 /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 mi10:49:0522:267:1322:26
7:13
#7627
10K
6.21 mi11:11:1844:397:1122:13
7:09
#7669
15K
9.32 mi11:32:591:06:207:0721:41
6:59
#7222
20K
12.43 mi11:54:411:28:027:0521:42
6:59
#6831
Half
13.11 mi11:59:201:32:417:044:39
6:49
#6766
25K
15.53 mi12:16:211:49:427:0417:01
7:01
#6568
30K
18.64 mi12:38:072:11:287:0321:46
7:00
#6148
20M
20.00 mi12:47:392:21:007:039:32
7:01
#5954
21M
21.00 mi12:55:112:28:327:047:32
7:32
#5844
35K
21.75 mi13:00:162:33:377:045:05
6:48
#5770
23M
23.00 mi13:09:272:42:487:059:11
7:20
#5680
24M
24.00 mi13:16:432:50:047:057:16
7:16
#5647
40K
24.85 mi13:22:582:56:197:066:15
7:19
#5609
25.2M
25.20 mi13:25:472:59:087:072:49
8:10
#5605
Finish
26.22 mi13:33:153:06:367:077:28
7:20
#5612
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi76278788786441(Top 24%)624(Top 5%)624(Top 13%)
10K6.21 mi3.10 mi7669-42909-31909-317782(Top 29%)975(Top 9%)975(Top 20%)
15K9.32 mi3.11 mi7222+447800+109800+1096441(Top 24%)624(Top 5%)624(Top 13%)
20K12.43 mi3.11 mi6831+391695+105695+1055901(Top 22%)502(Top 4%)502(Top 10%)
Half13.11 mi0.68 mi6766+65684+11684+115481(Top 21%)429(Top 4%)429(Top 9%)
25K15.53 mi2.42 mi6568+198654+30654+305695(Top 21%)475(Top 4%)475(Top 10%)
30K18.64 mi3.11 mi6148+420566+88566+884396(Top 17%)314(Top 3%)314(Top 6%)
20M20.00 mi1.36 mi5954+194532+34532+344148(Top 16%)317(Top 3%)317(Top 6%)
21M21.00 mi1.00 mi5844+110519+13519+134767(Top 18%)460(Top 4%)460(Top 9%)
35K21.75 mi0.75 mi5770+74502+17502+174219(Top 16%)358(Top 3%)358(Top 7%)
23M23.00 mi1.25 mi5680+90499+3499+35510(Top 21%)660(Top 6%)660(Top 14%)
24M24.00 mi1.00 mi5647+33500-1500-16164(Top 23%)956(Top 8%)956(Top 20%)
40K24.85 mi0.85 mi5609+38501-1501-15537(Top 21%)813(Top 7%)813(Top 17%)
25.2M25.20 mi0.35 mi5605+4509-8509-87524(Top 28%)1594(Top 14%)1594(Top 33%)
Finish26.22 mi1.02 mi5612-7525-16525-167316(Top 27%)1540(Top 13%)1540(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6441

Females

624

F18-39

624

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

7782

Females

975

F18-39

975

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6441

Females

624

F18-39

624

15K→20K

9.3 - 12.4 mi

Top 22%
×5story building
+106ft-86ft

Overall

5901

Females

502

F18-39

502

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

5481

Females

429

F18-39

429

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

5695

Females

475

F18-39

475

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4396

Females

314

F18-39

314

30K→20M

18.6 - 20.0 mi

Top 16%
×5story building
+64ft-50ft

Overall

4148

Females

317

F18-39

317

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

4767

Females

460

F18-39

460

21M→35K

21.0 - 21.8 mi

Top 16%
×7story building
+17ft-86ft

Overall

4219

Females

358

F18-39

358

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5510

Females

660

F18-39

660

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6164

Females

956

F18-39

956

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5537

Females

813

F18-39

813

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7524

Females

1594

F18-39

1594

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7316

Females

1540

F18-39

1540

Passing Analysis

Category:
Athletes Passed
2456
Passed By
441
Net Change
+2015
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7627
5K → 10K200242-42#7627#7669
10K → 15K46215+447#7669#7222
15K → 20K3932+391#7222#6831
20K → Half661+65#6831#6766
Half → 25K2057+198#6766#6568
25K → 30K4233+420#6568#6148
30K → 20M1973+194#6148#5954
20M → 21M1166+110#5954#5844
21M → 35K784+74#5844#5770
35K → 23M11929+90#5770#5680
23M → 24M5926+33#5680#5647
24M → 40K6224+38#5647#5609
40K → 25.2M2824+4#5609#5605
25.2M → Finish4855-7#5605#5612
TOTALS2456441+2015
📊

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