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BOSTON MARATHON 2023

Karen Ringheiser

Bib: 23851•F

MA

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
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
8:41/mi
27:00
↑ 97↓ 3451.5%
10K· 6.21 mi
8:55/mi
54:42
↑ 79↓ 1380.4%
15K· 9.32 mi
9:17/mi
1:23:34
↑ 67↓ 78
20K· 12.43 mi
9:34/mi
1:53:17
↑ 106↓ 860.1%
Half· 13.11 mi
9:20/mi
1:59:39
↑ 19↓ 370.5%
25K· 15.53 mi
9:44/mi
2:23:14
↑ 66↓ 880.2%
30K· 18.64 mi
10:20/mi
2:55:21
↑ 181↓ 1480.2%
20M
10:16/mi
3:09:18
↑ 64↓ 500.2%
21M
11:07/mi
3:20:25
↑ 106↓ 241.6%
35K· 21.75 mi
10:00/mi
3:27:54
↑ 17↓ 861.7%
23M
10:16/mi
3:40:45
↑ 23↓ 630.6%
24M
9:51/mi
3:50:36
↓ 821.3%
40K· 24.85 mi
10:07/mi
3:59:15
↓ 200.3%
25.2M
10:23/mi
4:02:50
↑ 13↓ 160.2%
Finish· 26.22 mi
9:42/mi
4:12:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:39
Pace9:08 /mi
2nd Half
Distance13.11 mi
Time2:13:04
Pace10:09 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0227:008:4127:00
8:41
-
10K
6.21 mi11:45:4454:428:4827:42
8:55
+0:14
15K
9.32 mi12:14:361:23:348:5828:52
9:17
+0:22
20K
12.43 mi12:44:191:53:179:0729:43
9:34
+0:17
Half
13.11 mi12:50:411:59:399:086:22
9:20
-0:14
25K
15.53 mi13:14:162:23:149:1323:35
9:44
+0:24
30K
18.64 mi13:46:232:55:219:2432:07
10:20
+0:36
20M
20.00 mi14:00:203:09:189:2813:57
10:16
-0:04
21M
21.00 mi14:11:273:20:259:3311:07
11:07
+0:51
35K
21.75 mi14:18:563:27:549:347:29
10:00
-1:07
23M
23.00 mi14:31:473:40:459:3612:51
10:16
+0:16
24M
24.00 mi14:41:383:50:369:379:51
9:51
-0:25
40K
24.85 mi14:50:173:59:159:388:39
10:07
+0:16
25.2M
25.20 mi14:53:524:02:509:383:35
10:23
+0:16
Finish
26.22 mi15:03:454:12:439:399:53
9:42
-0:41

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

8:41 /mi

Average Pace

9:39 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:56

36% of race

Time at Steady Pace

1:29:10

35% of race

Time at Slower Pace

1:13:37

29% of race

Average Pace: 9:38 /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 mi11:18:0227:008:4127:00
8:41
#18829
10K
6.21 mi11:45:4454:428:4827:42
8:55
#19706
15K
9.32 mi12:14:361:23:348:5828:52
9:17
#20416
20K
12.43 mi12:44:191:53:179:0729:43
9:34
#20848
Half
13.11 mi12:50:411:59:399:086:22
9:20
#20893
25K
15.53 mi13:14:162:23:149:1323:35
9:44
#21011
30K
18.64 mi13:46:232:55:219:2432:07
10:20
#21194
20M
20.00 mi14:00:203:09:189:2813:57
10:16
#21175
21M
21.00 mi14:11:273:20:259:3311:07
11:07
#21173
35K
21.75 mi14:18:563:27:549:347:29
10:00
#21165
23M
23.00 mi14:31:473:40:459:3612:51
10:16
#21119
24M
24.00 mi14:41:383:50:369:379:51
9:51
#21067
40K
24.85 mi14:50:173:59:159:388:39
10:07
#21038
25.2M
25.20 mi14:53:524:02:509:383:35
10:23
#21002
Finish
26.22 mi15:03:454:12:439:399:53
9:42
#20986
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi188297097709721608(Top 81%)8561(Top 75%)8561(Top 1050%)
10K6.21 mi3.10 mi19706-8777594-4977594-49720503(Top 77%)7982(Top 70%)7982(Top 979%)
15K9.32 mi3.11 mi20416-7107969-3757969-37521608(Top 81%)8561(Top 75%)8561(Top 1050%)
20K12.43 mi3.11 mi20848-4328192-2238192-22321746(Top 82%)8651(Top 76%)8651(Top 1061%)
Half13.11 mi0.68 mi20893-458206-148206-1421636(Top 81%)8588(Top 75%)8588(Top 1054%)
25K15.53 mi2.42 mi21011-1188270-648270-6421554(Top 81%)8589(Top 75%)8589(Top 1054%)
30K18.64 mi3.11 mi21194-1838391-1218391-12121857(Top 82%)8820(Top 77%)8820(Top 1082%)
20M20.00 mi1.36 mi21175+198401-108401-1021187(Top 80%)8510(Top 74%)8510(Top 1044%)
21M21.00 mi1.00 mi21173+28409-88409-821069(Top 79%)8497(Top 74%)8497(Top 1043%)
35K21.75 mi0.75 mi21165+88412-38412-321288(Top 80%)8645(Top 76%)8645(Top 1061%)
23M23.00 mi1.25 mi21119+468400+128400+1220754(Top 78%)8376(Top 73%)8376(Top 1028%)
24M24.00 mi1.00 mi21067+528381+198381+1920396(Top 77%)8203(Top 72%)8203(Top 1007%)
40K24.85 mi0.85 mi21038+298380+18380+120301(Top 76%)8222(Top 72%)8222(Top 1009%)
25.2M25.20 mi0.35 mi21002+368364+168364+1618817(Top 71%)7421(Top 65%)7421(Top 911%)
Finish26.22 mi1.02 mi20986+168361+38361+320811(Top 78%)8472(Top 74%)8472(Top 1040%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21608

Females

8561

F55-59

8561

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

20503

Females

7982

F55-59

7982

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21608

Females

8561

F55-59

8561

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21746

Females

8651

F55-59

8651

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

21636

Females

8588

F55-59

8588

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21554

Females

8589

F55-59

8589

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

21857

Females

8820

F55-59

8820

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

21187

Females

8510

F55-59

8510

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

21069

Females

8497

F55-59

8497

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

21288

Females

8645

F55-59

8645

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

20754

Females

8376

F55-59

8376

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

20396

Females

8203

F55-59

8203

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20301

Females

8222

F55-59

8222

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18817

Females

7421

F55-59

7421

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

20811

Females

8472

F55-59

8472

Passing Analysis

Category:
Athletes Passed
815
Passed By
2972
Net Change
-2157
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18829
5K → 10K83960-877#18829#19706
10K → 15K36746-710#19706#20416
15K → 20K56488-432#20416#20848
20K → Half1560-45#20848#20893
Half → 25K63181-118#20893#21011
25K → 30K84267-183#21011#21194
30K → 20M7556+19#21194#21175
20M → 21M6361+2#21175#21173
21M → 35K4234+8#21173#21165
35K → 23M7933+46#21165#21119
23M → 24M6715+52#21119#21067
24M → 40K5627+29#21067#21038
40K → 25.2M459+36#21038#21002
25.2M → Finish5135+16#21002#20986
TOTALS8152972-2157
📊

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