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BOSTON MARATHON 2023

Karen Stevenson

Bib: 24198•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
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
8:54/mi
27:38
↑ 97↓ 3451.5%
10K· 6.21 mi
9:04/mi
55:48
↑ 79↓ 1380.4%
15K· 9.32 mi
9:41/mi
1:25:53
↑ 67↓ 78
20K· 12.43 mi
9:52/mi
1:56:31
↑ 106↓ 860.1%
Half· 13.11 mi
9:32/mi
2:03:01
↑ 19↓ 370.5%
25K· 15.53 mi
10:26/mi
2:28:18
↑ 66↓ 880.2%
30K· 18.64 mi
10:57/mi
3:02:20
↑ 181↓ 1480.2%
20M
11:31/mi
3:17:59
↑ 64↓ 500.2%
21M
12:19/mi
3:30:18
↑ 106↓ 241.6%
35K· 21.75 mi
11:39/mi
3:39:01
↑ 17↓ 861.7%
23M
11:38/mi
3:53:35
↑ 23↓ 630.6%
24M
11:47/mi
4:05:22
↓ 821.3%
40K· 24.85 mi
11:21/mi
4:15:04
↓ 200.3%
25.2M
12:02/mi
4:19:13
↑ 13↓ 160.2%
Finish· 26.22 mi
10:40/mi
4:30:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:01
Pace9:23 /mi
2nd Half
Distance13.11 mi
Time2:27:04
Pace11:13 /mi
📊Positive Split: 19.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:5527:388:5427:38
8:54
-
10K
6.21 mi12:11:0555:488:5928:10
9:04
+0:10
15K
9.32 mi12:41:101:25:539:1330:05
9:41
+0:37
20K
12.43 mi13:11:481:56:319:2330:38
9:52
+0:11
Half
13.11 mi13:18:182:03:019:236:30
9:32
-0:20
25K
15.53 mi13:43:352:28:189:3325:17
10:26
+0:54
30K
18.64 mi14:17:373:02:209:4734:02
10:57
+0:31
20M
20.00 mi14:33:163:17:599:5415:39
11:31
+0:34
21M
21.00 mi14:45:353:30:1810:0112:19
12:19
+0:48
35K
21.75 mi14:54:183:39:0110:048:43
11:39
-0:40
23M
23.00 mi15:08:523:53:3510:0914:34
11:38
-0:01
24M
24.00 mi15:20:394:05:2210:1311:47
11:47
+0:09
40K
24.85 mi15:30:214:15:0410:169:42
11:21
-0:26
25.2M
25.20 mi15:34:304:19:1310:174:09
12:02
+0:41
Finish
26.22 mi15:45:224:30:0510:1910:52
10:40
-1:22

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

8:54 /mi

Average Pace

10:19 /mi

Slowest Pace

12:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:01

46% of race

Time at Steady Pace

1:19:53

30% of race

Time at Slower Pace

1:07:11

25% of race

Average Pace: 10:18 /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 mi11:42:5527:388:5427:38
8:54
#19973
10K
6.21 mi12:11:0555:488:5928:10
9:04
#20573
15K
9.32 mi12:41:101:25:539:1330:05
9:41
#21417
20K
12.43 mi13:11:481:56:319:2330:38
9:52
#21734
Half
13.11 mi13:18:182:03:019:236:30
9:32
#21757
25K
15.53 mi13:43:352:28:189:3325:17
10:26
#22022
30K
18.64 mi14:17:373:02:209:4734:02
10:57
#22302
20M
20.00 mi14:33:163:17:599:5415:39
11:31
#22401
21M
21.00 mi14:45:353:30:1810:0112:19
12:19
#22467
35K
21.75 mi14:54:183:39:0110:048:43
11:39
#22537
23M
23.00 mi15:08:523:53:3510:0914:34
11:38
#22603
24M
24.00 mi15:20:394:05:2210:1311:47
11:47
#22690
40K
24.85 mi15:30:214:15:0410:169:42
11:21
#22709
25.2M
25.20 mi15:34:304:19:1310:174:09
12:02
#22704
Finish
26.22 mi15:45:224:30:0510:1910:52
10:40
#22742
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi199737803780322765(Top 86%)9217(Top 81%)9217(Top 1749%)
10K6.21 mi3.10 mi20573-6008077-2748077-27421150(Top 79%)8354(Top 73%)8354(Top 1585%)
15K9.32 mi3.11 mi21417-8448507-4308507-43022765(Top 86%)9217(Top 81%)9217(Top 1749%)
20K12.43 mi3.11 mi21734-3178673-1668673-16622550(Top 85%)9110(Top 80%)9110(Top 1729%)
Half13.11 mi0.68 mi21757-238688-158688-1522226(Top 83%)8913(Top 78%)8913(Top 1691%)
25K15.53 mi2.42 mi22022-2658839-1518839-15123057(Top 87%)9421(Top 82%)9421(Top 1788%)
30K18.64 mi3.11 mi22302-2809006-1679006-16723014(Top 86%)9469(Top 83%)9469(Top 1797%)
20M20.00 mi1.36 mi22401-999074-689074-6823548(Top 88%)9814(Top 86%)9814(Top 1862%)
21M21.00 mi1.00 mi22467-669126-529126-5223226(Top 87%)9669(Top 85%)9669(Top 1835%)
35K21.75 mi0.75 mi22537-709160-349160-3424287(Top 91%)10276(Top 90%)10276(Top 1950%)
23M23.00 mi1.25 mi22603-669211-519211-5123474(Top 88%)9838(Top 86%)9838(Top 1867%)
24M24.00 mi1.00 mi22690-879267-569267-5624246(Top 91%)10295(Top 90%)10295(Top 1954%)
40K24.85 mi0.85 mi22709-199286-199286-1922965(Top 86%)9641(Top 84%)9641(Top 1829%)
25.2M25.20 mi0.35 mi22704+59287-19287-122587(Top 85%)9447(Top 83%)9447(Top 1793%)
Finish26.22 mi1.02 mi22742-389312-259312-2523355(Top 88%)9834(Top 86%)9834(Top 1866%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

22765

Females

9217

F60-64

9217

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

21150

Females

8354

F60-64

8354

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

22765

Females

9217

F60-64

9217

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

22550

Females

9110

F60-64

9110

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

22226

Females

8913

F60-64

8913

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

23057

Females

9421

F60-64

9421

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

23014

Females

9469

F60-64

9469

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

23548

Females

9814

F60-64

9814

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23226

Females

9669

F60-64

9669

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24287

Females

10276

F60-64

10276

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

23474

Females

9838

F60-64

9838

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

24246

Females

10295

F60-64

10295

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22965

Females

9641

F60-64

9641

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22587

Females

9447

F60-64

9447

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

23355

Females

9834

F60-64

9834

Passing Analysis

Category:
Athletes Passed
464
Passed By
3233
Net Change
-2769
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19973
5K → 10K97697-600#19973#20573
10K → 15K15859-844#20573#21417
15K → 20K42359-317#21417#21734
20K → Half1235-23#21734#21757
Half → 25K38303-265#21757#22022
25K → 30K58338-280#22022#22302
30K → 20M29128-99#22302#22401
20M → 21M34100-66#22401#22467
21M → 35K2090-70#22467#22537
35K → 23M42108-66#22537#22603
23M → 24M1299-87#22603#22690
24M → 40K2847-19#22690#22709
40K → 25.2M1712+5#22709#22704
25.2M → Finish2058-38#22704#22742
TOTALS4643233-2769
📊

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