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BOSTON MARATHON 2023

Andrea Stilley

Bib: 22127•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
9:01/mi
28:01
↑ 97↓ 3451.5%
10K· 6.21 mi
8:55/mi
55:43
↑ 79↓ 1380.4%
15K· 9.32 mi
8:49/mi
1:23:07
↑ 67↓ 78
20K· 12.43 mi
9:36/mi
1:52:56
↑ 106↓ 860.1%
Half· 13.11 mi
8:48/mi
1:58:56
↑ 19↓ 370.5%
25K· 15.53 mi
9:41/mi
2:22:24
↑ 66↓ 880.2%
30K· 18.64 mi
10:30/mi
2:55:01
↑ 181↓ 1480.2%
20M
9:40/mi
3:08:09
↑ 64↓ 500.2%
21M
10:20/mi
3:18:29
↑ 106↓ 241.6%
35K· 21.75 mi
9:28/mi
3:25:34
↑ 17↓ 861.7%
23M
11:44/mi
3:40:16
↑ 23↓ 630.6%
24M
9:10/mi
3:49:26
↓ 821.3%
40K· 24.85 mi
11:15/mi
3:59:03
↓ 200.3%
25.2M
9:49/mi
4:02:26
↑ 13↓ 160.2%
Finish· 26.22 mi
9:34/mi
4:12:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:56
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:13:15
Pace10:10 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:2428:019:0128:01
9:01
-
10K
6.21 mi11:51:0655:438:5827:42
8:55
-0:06
15K
9.32 mi12:18:301:23:078:5527:24
8:49
-0:06
20K
12.43 mi12:48:191:52:569:0529:49
9:36
+0:47
Half
13.11 mi12:54:191:58:569:046:00
8:48
-0:48
25K
15.53 mi13:17:472:22:249:1023:28
9:41
+0:53
30K
18.64 mi13:50:242:55:019:2332:37
10:30
+0:49
20M
20.00 mi14:03:323:08:099:2413:08
9:40
-0:50
21M
21.00 mi14:13:523:18:299:2710:20
10:20
+0:40
35K
21.75 mi14:20:573:25:349:277:05
9:28
-0:52
23M
23.00 mi14:35:393:40:169:3514:42
11:44
+2:16
24M
24.00 mi14:44:493:49:269:349:10
9:10
-2:34
40K
24.85 mi14:54:263:59:039:379:37
11:15
+2:05
25.2M
25.20 mi14:57:494:02:269:373:23
9:49
-1:26
Finish
26.22 mi15:07:344:12:119:389:45
9:34
-0:15

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

9:38 /mi

Slowest Pace

11:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:17

39% of race

Time at Steady Pace

1:26:38

34% of race

Time at Slower Pace

1:07:16

27% of race

Average Pace: 9:37 /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 mi11:23:2428:019:0128:01
9:01
#20541
10K
6.21 mi11:51:0655:438:5827:42
8:55
#20515
15K
9.32 mi12:18:301:23:078:5527:24
8:49
#20209
20K
12.43 mi12:48:191:52:569:0529:49
9:36
#20717
Half
13.11 mi12:54:191:58:569:046:00
8:48
#20654
25K
15.53 mi13:17:472:22:249:1023:28
9:41
#20828
30K
18.64 mi13:50:242:55:019:2332:37
10:30
#21150
20M
20.00 mi14:03:323:08:099:2413:08
9:40
#20984
21M
21.00 mi14:13:523:18:299:2710:20
10:20
#20865
35K
21.75 mi14:20:573:25:349:277:05
9:28
#20806
23M
23.00 mi14:35:393:40:169:3514:42
11:44
#21055
24M
24.00 mi14:44:493:49:269:349:10
9:10
#20915
40K
24.85 mi14:54:263:59:039:379:37
11:15
#21013
25.2M
25.20 mi14:57:494:02:269:373:23
9:49
#20935
Finish
26.22 mi15:07:344:12:119:389:45
9:34
#20904
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi205418139813919636(Top 74%)7467(Top 65%)7467(Top 619%)
10K6.21 mi3.10 mi20515+268043+968043+9620502(Top 77%)7981(Top 70%)7981(Top 661%)
15K9.32 mi3.11 mi20209+3067854+1897854+18919636(Top 74%)7467(Top 65%)7467(Top 619%)
20K12.43 mi3.11 mi20717-5088116-2628116-26221848(Top 82%)8707(Top 76%)8707(Top 721%)
Half13.11 mi0.68 mi20654+638076+408076+4019529(Top 73%)7407(Top 65%)7407(Top 614%)
25K15.53 mi2.42 mi20828-1748163-878163-8721390(Top 80%)8492(Top 74%)8492(Top 704%)
30K18.64 mi3.11 mi21150-3228364-2018364-20122207(Top 83%)9016(Top 79%)9016(Top 747%)
20M20.00 mi1.36 mi20984+1668287+778287+7719470(Top 73%)7561(Top 66%)7561(Top 626%)
21M21.00 mi1.00 mi20865+1198233+548233+5419140(Top 72%)7426(Top 65%)7426(Top 615%)
35K21.75 mi0.75 mi20806+598212+218212+2119781(Top 74%)7809(Top 68%)7809(Top 647%)
23M23.00 mi1.25 mi21055-2498362-1508362-15023633(Top 89%)9919(Top 87%)9919(Top 822%)
24M24.00 mi1.00 mi20915+1408298+648298+6417965(Top 67%)6889(Top 60%)6889(Top 571%)
40K24.85 mi0.85 mi21013-988361-638361-6322814(Top 86%)9563(Top 84%)9563(Top 792%)
25.2M25.20 mi0.35 mi20935+788322+398322+3916694(Top 63%)6283(Top 55%)6283(Top 521%)
Finish26.22 mi1.02 mi20904+318317+58317+520372(Top 77%)8229(Top 72%)8229(Top 682%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

19636

Females

7467

F50-54

7467

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

20502

Females

7981

F50-54

7981

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

19636

Females

7467

F50-54

7467

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21848

Females

8707

F50-54

8707

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

19529

Females

7407

F50-54

7407

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

21390

Females

8492

F50-54

8492

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

22207

Females

9016

F50-54

9016

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19470

Females

7561

F50-54

7561

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

19140

Females

7426

F50-54

7426

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19781

Females

7809

F50-54

7809

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

23633

Females

9919

F50-54

9919

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

17965

Females

6889

F50-54

6889

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22814

Females

9563

F50-54

9563

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16694

Females

6283

F50-54

6283

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

20372

Females

8229

F50-54

8229

Passing Analysis

Category:
Athletes Passed
1616
Passed By
1979
Net Change
-363
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20541
5K → 10K320294+26#20541#20515
10K → 15K36256+306#20515#20209
15K → 20K54562-508#20209#20717
20K → Half685+63#20717#20654
Half → 25K49223-174#20654#20828
25K → 30K63385-322#20828#21150
30K → 20M1737+166#21150#20984
20M → 21M13314+119#20984#20865
21M → 35K6910+59#20865#20806
35K → 23M20269-249#20806#21055
23M → 24M1466+140#21055#20915
24M → 40K13111-98#20915#21013
40K → 25.2M791+78#21013#20935
25.2M → Finish6736+31#20935#20904
TOTALS16161979-363
📊

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