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BOSTON MARATHON 2023

Kristin Parker

Bib: 20661•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 36%
Masters (Masters Women)
#0 / 6539
Top 22%
Division (F45-49)
#0 / 1817
Top 24%
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
8:26/mi
26:12
↑ 97↓ 3451.5%
10K· 6.21 mi
8:07/mi
51:25
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:16:24
↑ 67↓ 78
20K· 12.43 mi
8:08/mi
1:41:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:47:15
↑ 19↓ 370.5%
25K· 15.53 mi
8:09/mi
2:07:01
↑ 66↓ 880.2%
30K· 18.64 mi
8:14/mi
2:32:35
↑ 181↓ 1480.2%
20M
8:13/mi
2:43:45
↑ 64↓ 500.2%
21M
8:38/mi
2:52:23
↑ 106↓ 241.6%
35K· 21.75 mi
7:52/mi
2:58:16
↑ 17↓ 861.7%
23M
8:22/mi
3:08:45
↑ 23↓ 630.6%
24M
8:11/mi
3:16:56
↓ 821.3%
40K· 24.85 mi
8:14/mi
3:23:58
↓ 200.3%
25.2M
8:56/mi
3:27:03
↑ 13↓ 160.2%
Finish· 26.22 mi
7:53/mi
3:35:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:47:15
Pace8:11 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:47:50
Pace8:14 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:4226:128:2626:12
8:26
-
10K
6.21 mi11:46:5551:258:1625:13
8:07
-0:19
15K
9.32 mi12:11:541:16:248:1224:59
8:02
-0:05
20K
12.43 mi12:37:111:41:418:1125:17
8:08
+0:06
Half
13.11 mi12:42:451:47:158:115:34
8:10
+0:02
25K
15.53 mi13:02:312:07:018:1119:46
8:09
-0:01
30K
18.64 mi13:28:052:32:358:1125:34
8:14
+0:05
20M
20.00 mi13:39:152:43:458:1111:10
8:13
-0:01
21M
21.00 mi13:47:532:52:238:138:38
8:38
+0:25
35K
21.75 mi13:53:462:58:168:125:53
7:52
-0:46
23M
23.00 mi14:04:153:08:458:1210:29
8:22
+0:30
24M
24.00 mi14:12:263:16:568:128:11
8:11
-0:11
40K
24.85 mi14:19:283:23:588:127:02
8:14
+0:03
25.2M
25.20 mi14:22:333:27:038:133:05
8:56
+0:42
Finish
26.22 mi14:30:353:35:058:138:02
7:53
-1:03

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

7:52 /mi

Average Pace

8:13 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:32:00

99% of race

Time at Steady Pace

3:05

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:12 /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 mi11:21:4226:128:2626:12
8:26
#17110
10K
6.21 mi11:46:5551:258:1625:13
8:07
#16325
15K
9.32 mi12:11:541:16:248:1224:59
8:02
#15812
20K
12.43 mi12:37:111:41:418:1125:17
8:08
#15452
Half
13.11 mi12:42:451:47:158:115:34
8:10
#15464
25K
15.53 mi13:02:312:07:018:1119:46
8:09
#15180
30K
18.64 mi13:28:052:32:358:1125:34
8:14
#14694
20M
20.00 mi13:39:152:43:458:1111:10
8:13
#14464
21M
21.00 mi13:47:532:52:238:138:38
8:38
#14275
35K
21.75 mi13:53:462:58:168:125:53
7:52
#14142
23M
23.00 mi14:04:153:08:458:1210:29
8:22
#14010
24M
24.00 mi14:12:263:16:568:128:11
8:11
#13924
40K
24.85 mi14:19:283:23:588:127:02
8:14
#13813
25.2M
25.20 mi14:22:333:27:038:133:05
8:56
#13782
Finish
26.22 mi14:30:353:35:058:138:02
7:53
#13659
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi171105999599914736(Top 55%)4525(Top 40%)4525(Top 249%)
10K6.21 mi3.10 mi16325+7855474+5255474+52515633(Top 59%)5035(Top 44%)5035(Top 277%)
15K9.32 mi3.11 mi15812+5135162+3125162+31214736(Top 55%)4525(Top 40%)4525(Top 249%)
20K12.43 mi3.11 mi15452+3604965+1974965+19714508(Top 54%)4407(Top 39%)4407(Top 243%)
Half13.11 mi0.68 mi15464-124975-104975-1015502(Top 58%)4974(Top 44%)4974(Top 274%)
25K15.53 mi2.42 mi15180+2844824+1514824+15113901(Top 52%)4157(Top 36%)4157(Top 229%)
30K18.64 mi3.11 mi14694+4864549+2754549+27512546(Top 47%)3492(Top 31%)3492(Top 192%)
20M20.00 mi1.36 mi14464+2304455+944455+9411844(Top 44%)3190(Top 28%)3190(Top 176%)
21M21.00 mi1.00 mi14275+1894364+914364+9111305(Top 42%)3044(Top 27%)3044(Top 168%)
35K21.75 mi0.75 mi14142+1334292+724292+7211202(Top 42%)2989(Top 26%)2989(Top 165%)
23M23.00 mi1.25 mi14010+1324234+584234+5812427(Top 47%)3757(Top 33%)3757(Top 207%)
24M24.00 mi1.00 mi13924+864207+274207+2712515(Top 47%)3870(Top 34%)3870(Top 213%)
40K24.85 mi0.85 mi13813+1114156+514156+5111581(Top 44%)3459(Top 30%)3459(Top 190%)
25.2M25.20 mi0.35 mi13782+314145+114145+1112244(Top 46%)3857(Top 34%)3857(Top 212%)
Finish26.22 mi1.02 mi13659+1234090+554090+5511328(Top 43%)3366(Top 29%)3366(Top 185%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

14736

Females

4525

F45-49

4525

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15633

Females

5035

F45-49

5035

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

14736

Females

4525

F45-49

4525

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

14508

Females

4407

F45-49

4407

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15502

Females

4974

F45-49

4974

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13901

Females

4157

F45-49

4157

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12546

Females

3492

F45-49

3492

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11844

Females

3190

F45-49

3190

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11305

Females

3044

F45-49

3044

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11202

Females

2989

F45-49

2989

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12427

Females

3757

F45-49

3757

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12515

Females

3870

F45-49

3870

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11581

Females

3459

F45-49

3459

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12244

Females

3857

F45-49

3857

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11328

Females

3366

F45-49

3366

Passing Analysis

Category:
Athletes Passed
3819
Passed By
368
Net Change
+3451
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17110
5K → 10K86378+785#17110#16325
10K → 15K55441+513#16325#15812
15K → 20K39535+360#15812#15452
20K → Half2941-12#15452#15464
Half → 25K31026+284#15464#15180
25K → 30K50418+486#15180#14694
30K → 20M2377+230#14694#14464
20M → 21M19910+189#14464#14275
21M → 35K1352+133#14275#14142
35K → 23M16331+132#14142#14010
23M → 24M11024+86#14010#13924
24M → 40K12716+111#13924#13813
40K → 25.2M4312+31#13813#13782
25.2M → Finish15027+123#13782#13659
TOTALS3819368+3451
📊

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