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BOSTON MARATHON 2023

Kimberly Walker

Bib: 22349•F

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Top 34%
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
8:36/mi
26:42
↑ 97↓ 3451.5%
10K· 6.21 mi
8:44/mi
53:49
↑ 79↓ 1380.4%
15K· 9.32 mi
8:55/mi
1:21:31
↑ 67↓ 78
20K· 12.43 mi
9:06/mi
1:49:46
↑ 106↓ 860.1%
Half· 13.11 mi
8:56/mi
1:55:52
↑ 19↓ 370.5%
25K· 15.53 mi
9:12/mi
2:18:10
↑ 66↓ 880.2%
30K· 18.64 mi
9:10/mi
2:46:39
↑ 181↓ 1480.2%
20M
9:04/mi
2:58:58
↑ 64↓ 500.2%
21M
9:42/mi
3:08:40
↑ 106↓ 241.6%
35K· 21.75 mi
8:36/mi
3:15:06
↑ 17↓ 861.7%
23M
8:57/mi
3:26:18
↑ 23↓ 630.6%
24M
8:43/mi
3:35:01
↓ 821.3%
40K· 24.85 mi
9:05/mi
3:42:47
↓ 200.3%
25.2M
9:31/mi
3:46:04
↑ 13↓ 160.2%
Finish· 26.22 mi
8:43/mi
3:54:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:52
Pace8:50 /mi
2nd Half
Distance13.11 mi
Time1:59:05
Pace9:05 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3626:428:3626:42
8:36
-
10K
6.21 mi11:47:4353:498:4027:07
8:44
+0:08
15K
9.32 mi12:15:251:21:318:4527:42
8:55
+0:11
20K
12.43 mi12:43:401:49:468:5028:15
9:06
+0:11
Half
13.11 mi12:49:461:55:528:506:06
8:56
-0:10
25K
15.53 mi13:12:042:18:108:5422:18
9:12
+0:16
30K
18.64 mi13:40:332:46:398:5628:29
9:10
-0:02
20M
20.00 mi13:52:522:58:588:5712:19
9:04
-0:06
21M
21.00 mi14:02:343:08:408:599:42
9:42
+0:38
35K
21.75 mi14:09:003:15:068:586:26
8:36
-1:06
23M
23.00 mi14:20:123:26:188:5811:12
8:57
+0:21
24M
24.00 mi14:28:553:35:018:588:43
8:43
-0:14
40K
24.85 mi14:36:413:42:478:587:46
9:05
+0:22
25.2M
25.20 mi14:39:583:46:048:583:17
9:31
+0:26
Finish
26.22 mi14:48:513:54:578:588:53
8:43
-0:48

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

8:36 /mi

Average Pace

8:58 /mi

Slowest Pace

9:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:41:58

94% of race

Time at Steady Pace

12:59

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:58 /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 mi11:20:3626:428:3626:42
8:36
#18202
10K
6.21 mi11:47:4353:498:4027:07
8:44
#18890
15K
9.32 mi12:15:251:21:318:4527:42
8:55
#19316
20K
12.43 mi12:43:401:49:468:5028:15
9:06
#19502
Half
13.11 mi12:49:461:55:528:506:06
8:56
#19538
25K
15.53 mi13:12:042:18:108:5422:18
9:12
#19596
30K
18.64 mi13:40:332:46:398:5628:29
9:10
#19312
20M
20.00 mi13:52:522:58:588:5712:19
9:04
#19112
21M
21.00 mi14:02:343:08:408:599:42
9:42
#18980
35K
21.75 mi14:09:003:15:068:586:26
8:36
#18877
23M
23.00 mi14:20:123:26:188:5811:12
8:57
#18673
24M
24.00 mi14:28:553:35:018:588:43
8:43
#18540
40K
24.85 mi14:36:413:42:478:587:46
9:05
#18470
25.2M
25.20 mi14:39:583:46:048:583:17
9:31
#18412
Finish
26.22 mi14:48:513:54:578:588:53
8:43
#18367
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi182026684668420108(Top 76%)7731(Top 68%)7731(Top 949%)
10K6.21 mi3.10 mi18890-6887072-3887072-38819578(Top 74%)7435(Top 65%)7435(Top 912%)
15K9.32 mi3.11 mi19316-4267325-2537325-25320108(Top 76%)7731(Top 68%)7731(Top 949%)
20K12.43 mi3.11 mi19502-1867429-1047429-10420112(Top 76%)7732(Top 68%)7732(Top 949%)
Half13.11 mi0.68 mi19538-367449-207449-2020188(Top 76%)7759(Top 68%)7759(Top 952%)
25K15.53 mi2.42 mi19596-587481-327481-3219833(Top 74%)7601(Top 67%)7601(Top 933%)
30K18.64 mi3.11 mi19312+2847322+1597322+15918028(Top 68%)6668(Top 58%)6668(Top 818%)
20M20.00 mi1.36 mi19112+2007215+1077215+10716886(Top 63%)6090(Top 53%)6090(Top 747%)
21M21.00 mi1.00 mi18980+1327155+607155+6016875(Top 63%)6122(Top 54%)6122(Top 751%)
35K21.75 mi0.75 mi18877+1037104+517104+5115912(Top 60%)5647(Top 49%)5647(Top 693%)
23M23.00 mi1.25 mi18673+2047000+1047000+10415808(Top 59%)5646(Top 49%)5646(Top 693%)
24M24.00 mi1.00 mi18540+1336929+716929+7115795(Top 59%)5708(Top 50%)5708(Top 700%)
40K24.85 mi0.85 mi18470+706901+286901+2816597(Top 62%)6187(Top 54%)6187(Top 759%)
25.2M25.20 mi0.35 mi18412+586878+236878+2315382(Top 58%)5543(Top 49%)5543(Top 680%)
Finish26.22 mi1.02 mi18367+456861+176861+1716608(Top 62%)6162(Top 54%)6162(Top 756%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

20108

Females

7731

F55-59

7731

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

19578

Females

7435

F55-59

7435

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

20108

Females

7731

F55-59

7731

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

20112

Females

7732

F55-59

7732

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20188

Females

7759

F55-59

7759

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

19833

Females

7601

F55-59

7601

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

18028

Females

6668

F55-59

6668

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16886

Females

6090

F55-59

6090

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16875

Females

6122

F55-59

6122

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

15912

Females

5647

F55-59

5647

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15808

Females

5646

F55-59

5646

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15795

Females

5708

F55-59

5708

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16597

Females

6187

F55-59

6187

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15382

Females

5543

F55-59

5543

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

16608

Females

6162

F55-59

6162

Passing Analysis

Category:
Athletes Passed
1747
Passed By
1912
Net Change
-165
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18202
5K → 10K106794-688#18202#18890
10K → 15K58484-426#18890#19316
15K → 20K100286-186#19316#19502
20K → Half1450-36#19502#19538
Half → 25K103161-58#19538#19596
25K → 30K33046+284#19596#19312
30K → 20M2044+200#19312#19112
20M → 21M14917+132#19112#18980
21M → 35K1074+103#18980#18877
35K → 23M2139+204#18877#18673
23M → 24M1407+133#18673#18540
24M → 40K9020+70#18540#18470
40K → 25.2M624+58#18470#18412
25.2M → Finish7126+45#18412#18367
TOTALS17471912-165
📊

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