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BOSTON MARATHON 2023

Sarah Cupples

Bib: 21309•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
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
8:48/mi
27:20
↑ 97↓ 3451.5%
10K· 6.21 mi
8:58/mi
55:12
↑ 79↓ 1380.4%
15K· 9.32 mi
9:13/mi
1:23:51
↑ 67↓ 78
20K· 12.43 mi
9:40/mi
1:53:53
↑ 106↓ 860.1%
Half· 13.11 mi
9:33/mi
2:00:24
↑ 19↓ 370.5%
25K· 15.53 mi
9:52/mi
2:24:20
↑ 66↓ 880.2%
30K· 18.64 mi
10:33/mi
2:57:06
↑ 181↓ 1480.2%
20M
10:45/mi
3:11:43
↑ 64↓ 500.2%
21M
11:21/mi
3:23:04
↑ 106↓ 241.6%
35K· 21.75 mi
10:00/mi
3:30:33
↑ 17↓ 861.7%
23M
10:40/mi
3:43:54
↑ 23↓ 630.6%
24M
10:24/mi
3:54:18
↓ 821.3%
40K· 24.85 mi
10:34/mi
4:03:20
↓ 200.3%
25.2M
11:45/mi
4:07:23
↑ 13↓ 160.2%
Finish· 26.22 mi
10:32/mi
4:18:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:24
Pace9:11 /mi
2nd Half
Distance13.11 mi
Time2:17:43
Pace10:30 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1427:208:4827:20
8:48
-
10K
6.21 mi11:49:0655:128:5327:52
8:58
+0:10
15K
9.32 mi12:17:451:23:519:0028:39
9:13
+0:15
20K
12.43 mi12:47:471:53:539:1030:02
9:40
+0:27
Half
13.11 mi12:54:182:00:249:116:31
9:33
-0:07
25K
15.53 mi13:18:142:24:209:1723:56
9:52
+0:19
30K
18.64 mi13:51:002:57:069:3032:46
10:33
+0:41
20M
20.00 mi14:05:373:11:439:3514:37
10:45
+0:12
21M
21.00 mi14:16:583:23:049:4011:21
11:21
+0:36
35K
21.75 mi14:24:273:30:339:417:29
10:00
-1:21
23M
23.00 mi14:37:483:43:549:4413:21
10:40
+0:40
24M
24.00 mi14:48:123:54:189:4610:24
10:24
-0:16
40K
24.85 mi14:57:144:03:209:479:02
10:34
+0:10
25.2M
25.20 mi15:01:174:07:239:494:03
11:45
+1:11
Finish
26.22 mi15:12:014:18:079:5110:44
10:32
-1:13

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

8:48 /mi

Average Pace

9:51 /mi

Slowest Pace

11:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:20

56% of race

Time at Steady Pace

1:38:23

38% of race

Time at Slower Pace

15:24

6% of race

Average Pace: 9:51 /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 mi11:21:1427:208:4827:20
8:48
#19460
10K
6.21 mi11:49:0655:128:5327:52
8:58
#20118
15K
9.32 mi12:17:451:23:519:0028:39
9:13
#20557
20K
12.43 mi12:47:471:53:539:1030:02
9:40
#21050
Half
13.11 mi12:54:182:00:249:116:31
9:33
#21132
25K
15.53 mi13:18:142:24:209:1723:56
9:52
#21259
30K
18.64 mi13:51:002:57:069:3032:46
10:33
#21488
20M
20.00 mi14:05:373:11:439:3514:37
10:45
#21557
21M
21.00 mi14:16:583:23:049:4011:21
11:21
#21558
35K
21.75 mi14:24:273:30:339:417:29
10:00
#21545
23M
23.00 mi14:37:483:43:549:4413:21
10:40
#21561
24M
24.00 mi14:48:123:54:189:4610:24
10:24
#21570
40K
24.85 mi14:57:144:03:209:479:02
10:34
#21578
25.2M
25.20 mi15:01:174:07:239:494:03
11:45
#21578
Finish
26.22 mi15:12:014:18:079:5110:44
10:32
#21645
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi194607489748921386(Top 80%)8443(Top 74%)8443(Top 465%)
10K6.21 mi3.10 mi20118-6587833-3447833-34420760(Top 78%)8127(Top 71%)8127(Top 447%)
15K9.32 mi3.11 mi20557-4398050-2178050-21721386(Top 80%)8443(Top 74%)8443(Top 465%)
20K12.43 mi3.11 mi21050-4938305-2558305-25522054(Top 83%)8832(Top 77%)8832(Top 486%)
Half13.11 mi0.68 mi21132-828339-348339-3422279(Top 84%)8933(Top 78%)8933(Top 492%)
25K15.53 mi2.42 mi21259-1278416-778416-7721914(Top 82%)8792(Top 77%)8792(Top 484%)
30K18.64 mi3.11 mi21488-2298550-1348550-13422304(Top 84%)9074(Top 79%)9074(Top 499%)
20M20.00 mi1.36 mi21557-698597-478597-4722270(Top 84%)9125(Top 80%)9125(Top 502%)
21M21.00 mi1.00 mi21558-18609-128609-1221604(Top 81%)8783(Top 77%)8783(Top 483%)
35K21.75 mi0.75 mi21545+138611-28611-221294(Top 80%)8651(Top 76%)8651(Top 476%)
23M23.00 mi1.25 mi21561-168637-268637-2621683(Top 81%)8896(Top 78%)8896(Top 490%)
24M24.00 mi1.00 mi21570-98653-168653-1621812(Top 82%)9005(Top 79%)9005(Top 496%)
40K24.85 mi0.85 mi21578-88669-168669-1621379(Top 80%)8824(Top 77%)8824(Top 486%)
25.2M25.20 mi0.35 mi215788673-48673-422062(Top 83%)9157(Top 80%)9157(Top 504%)
Finish26.22 mi1.02 mi21645-678716-438716-4323074(Top 87%)9683(Top 85%)9683(Top 533%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

21386

Females

8443

F45-49

8443

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

20760

Females

8127

F45-49

8127

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

21386

Females

8443

F45-49

8443

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

22054

Females

8832

F45-49

8832

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

22279

Females

8933

F45-49

8933

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

21914

Females

8792

F45-49

8792

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22304

Females

9074

F45-49

9074

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22270

Females

9125

F45-49

9125

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21604

Females

8783

F45-49

8783

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

21294

Females

8651

F45-49

8651

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21683

Females

8896

F45-49

8896

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21812

Females

9005

F45-49

9005

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21379

Females

8824

F45-49

8824

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22062

Females

9157

F45-49

9157

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23074

Females

9683

F45-49

9683

Passing Analysis

Category:
Athletes Passed
669
Passed By
2854
Net Change
-2185
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19460
5K → 10K102760-658#19460#20118
10K → 15K58497-439#20118#20557
15K → 20K47540-493#20557#21050
20K → Half991-82#21050#21132
Half → 25K62189-127#21132#21259
25K → 30K63292-229#21259#21488
30K → 20M45114-69#21488#21557
20M → 21M6667-1#21557#21558
21M → 35K3623+13#21558#21545
35K → 23M5975-16#21545#21561
23M → 24M3746-9#21561#21570
24M → 40K3846-8#21570#21578
40K → 25.2M24240#21578#21578
25.2M → Finish2390-67#21578#21645
TOTALS6692854-2185
📊

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