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BOSTON MARATHON 2023

Suzanne Cotter

MA

Bib: 25917 F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:16/mi
25:40
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:04/mi
50:43
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:24/mi
1:16:50
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:05/mi
1:45:04
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:18/mi
1:51:25
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:44/mi
2:15:00
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:02/mi
2:46:11
↑ 181↓ 1480.2%
138 ft elev
20M
10:10/mi
3:00:00
↑ 64↓ 500.2%
148 ft elev
21M
10:49/mi
3:10:49
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:48/mi
3:18:09
↑ 17↓ 861.7%
156 ft elev
23M
10:21/mi
3:31:07
↑ 23↓ 630.6%
116 ft elev
24M
10:01/mi
3:41:08
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:13/mi
3:49:52
↓ 200.3%
20 ft elev
25.2M
10:29/mi
3:53:29
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:35/mi
4:03:15
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:51:258:30 /mi⚡ faster
2nd Half
2:11:5010:03 /mi+18.3%
Positive split — 18.3% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
25:408:163.11 mi25:40
8:16
-
10K
50:438:103.10 mi25:03
8:04
-0:12
15K
1:16:508:153.11 mi26:07
8:24
+0:20
20K
1:45:048:273.11 mi28:14
9:05
+0:41
Half(13.11 mi)
1:51:258:300.68 mi6:21
9:18
+0:13
25K
2:15:008:412.42 mi23:35
9:44
+0:26
30K
2:46:118:553.11 mi31:11
10:02
+0:18
20M
3:00:009:001.36 mi13:49
10:10
+0:08
21M
3:10:499:051.00 mi10:49
10:49
+0:39
35K
3:18:099:070.75 mi7:20
9:48
-1:01
23M
3:31:079:111.25 mi12:58
10:21
+0:33
24M
3:41:089:131.00 mi10:01
10:01
-0:20
40K
3:49:529:150.85 mi8:44
10:13
+0:12
25.2M
3:53:299:160.35 mi3:37
10:29
+0:16
Finish(26.22 mi)
4:03:159:171.02 mi9:46
9:35
-0:54
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:04 /mi

Average Pace

9:17 /mi

Slowest Pace

10:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:51:25

46% of race

Time at Steady Pace

1:35:42

39% of race

Time at Slower Pace

36:08

15% of race

Average Pace: 9:17 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi15906522452241720160516051
10K3.10 mi15567+3395010+2145010+2141528148504850
15K3.11 mi16141-5745375-3655375-3651720160516051
20K3.11 mi17286-11456102-7276102-7272009677257725
Half(13.11 mi)0.68 mi17561-2756258-1566258-1562154285288528
25K2.42 mi18519-9586843-5856843-5852155085858585
30K3.11 mi19183-6647248-4057248-4052113484218421
20M1.36 mi19366-1837367-1197367-1192092583688368
21M1.00 mi19454-887436-697436-692042181568156
35K0.75 mi19523-697478-427478-422077283728372
23M1.25 mi19654-1317556-787556-782096284988498
24M1.00 mi19722-687605-497605-492083484508450
40K0.85 mi19767-457650-457650-452052883448344
25.2M0.35 mi19761+67646+47646+41910475657565
Finish(26.22 mi)1.02 mi19793-327670-247670-242043282618261

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

17201

Females

6051

F18-39

6051

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

15281

Females

4850

F18-39

4850

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

17201

Females

6051

F18-39

6051

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

20096

Females

7725

F18-39

7725

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

21542

Females

8528

F18-39

8528

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21550

Females

8585

F18-39

8585

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

21134

Females

8421

F18-39

8421

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

20925

Females

8368

F18-39

8368

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

20421

Females

8156

F18-39

8156

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

20772

Females

8372

F18-39

8372

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

20962

Females

8498

F18-39

8498

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

20834

Females

8450

F18-39

8450

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20528

Females

8344

F18-39

8344

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19104

Females

7565

F18-39

7565

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

20432

Females

8261

F18-39

8261

Passing Analysis

Category:
Passed
925
Passed By
4812
Net Change
-3887
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15906
5K → 10K495156+339#15906#15567
10K → 15K59633-574#15567#16141
15K → 20K231168-1145#16141#17286
20K → Half1276-275#17286#17561
Half → 25K15973-958#17561#18519
25K → 30K45709-664#18519#19183
30K → 20M43226-183#19183#19366
20M → 21M53141-88#19366#19454
21M → 35K2594-69#19454#19523
35K → 23M41172-131#19523#19654
23M → 24M3199-68#19654#19722
24M → 40K3883-45#19722#19767
40K → 25.2M2115+6#19767#19761
25.2M → Finish3567-32#19761#19793
TOTALS9254812-3887

Passing Charts

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