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BOSTON MARATHON 2023

Karyn Reinhardt

Bib: 21211•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 44%
Division (F45-49)
#0 / 1817
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
8:43/mi
27:04
↑ 97↓ 3451.5%
10K· 6.21 mi
8:31/mi
53:32
↑ 79↓ 1380.4%
15K· 9.32 mi
8:29/mi
1:19:54
↑ 67↓ 78
20K· 12.43 mi
8:32/mi
1:46:26
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:52:16
↑ 19↓ 370.5%
25K· 15.53 mi
8:39/mi
2:13:14
↑ 66↓ 880.2%
30K· 18.64 mi
8:55/mi
2:40:57
↑ 181↓ 1480.2%
20M
9:01/mi
2:53:12
↑ 64↓ 500.2%
21M
9:33/mi
3:02:45
↑ 106↓ 241.6%
35K· 21.75 mi
8:51/mi
3:09:22
↑ 17↓ 861.7%
23M
9:08/mi
3:20:48
↑ 23↓ 630.6%
24M
8:48/mi
3:29:36
↓ 821.3%
40K· 24.85 mi
8:43/mi
3:37:03
↓ 200.3%
25.2M
9:08/mi
3:40:12
↑ 13↓ 160.2%
Finish· 26.22 mi
8:17/mi
3:48:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:16
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time1:56:22
Pace8:53 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3927:048:4327:04
8:43
-
10K
6.21 mi11:47:0753:328:3726:28
8:31
-0:12
15K
9.32 mi12:13:291:19:548:3426:22
8:29
-0:02
20K
12.43 mi12:40:011:46:268:3426:32
8:32
+0:03
Half
13.11 mi12:45:511:52:168:345:50
8:33
+0:01
25K
15.53 mi13:06:492:13:148:3520:58
8:39
+0:06
30K
18.64 mi13:34:322:40:578:3827:43
8:55
+0:16
20M
20.00 mi13:46:472:53:128:4012:15
9:01
+0:06
21M
21.00 mi13:56:203:02:458:429:33
9:33
+0:32
35K
21.75 mi14:02:573:09:228:426:37
8:51
-0:42
23M
23.00 mi14:14:233:20:488:4411:26
9:08
+0:17
24M
24.00 mi14:23:113:29:368:448:48
8:48
-0:20
40K
24.85 mi14:30:383:37:038:447:27
8:43
-0:05
25.2M
25.20 mi14:33:473:40:128:443:09
9:08
+0:25
Finish
26.22 mi14:42:133:48:388:448:26
8:17
-0:51

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

8:17 /mi

Average Pace

8:44 /mi

Slowest Pace

9:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:24:30

89% of race

Time at Steady Pace

24:08

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:43 /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 mi11:20:3927:048:4327:04
8:43
#18959
10K
6.21 mi11:47:0753:328:3726:28
8:31
#18608
15K
9.32 mi12:13:291:19:548:3426:22
8:29
#18313
20K
12.43 mi12:40:011:46:268:3426:32
8:32
#17989
Half
13.11 mi12:45:511:52:168:345:50
8:33
#17989
25K
15.53 mi13:06:492:13:148:3520:58
8:39
#17803
30K
18.64 mi13:34:322:40:578:3827:43
8:55
#17573
20M
20.00 mi13:46:472:53:128:4012:15
9:01
#17488
21M
21.00 mi13:56:203:02:458:429:33
9:33
#17402
35K
21.75 mi14:02:573:09:228:426:37
8:51
#17383
23M
23.00 mi14:14:233:20:488:4411:26
9:08
#17353
24M
24.00 mi14:23:113:29:368:448:48
8:48
#17303
40K
24.85 mi14:30:383:37:038:447:27
8:43
#17184
25.2M
25.20 mi14:33:473:40:128:443:09
9:08
#17133
Finish
26.22 mi14:42:133:48:388:448:26
8:17
#17016
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi189597177717717723(Top 67%)6349(Top 56%)6349(Top 349%)
10K6.21 mi3.10 mi18608+3516886+2916886+29118372(Top 69%)6702(Top 59%)6702(Top 369%)
15K9.32 mi3.11 mi18313+2956698+1886698+18817723(Top 67%)6349(Top 56%)6349(Top 349%)
20K12.43 mi3.11 mi17989+3246512+1866512+18617128(Top 64%)6007(Top 53%)6007(Top 331%)
Half13.11 mi0.68 mi179896506+66506+618017(Top 68%)6481(Top 57%)6481(Top 357%)
25K15.53 mi2.42 mi17803+1866422+846422+8417097(Top 64%)6058(Top 53%)6058(Top 333%)
30K18.64 mi3.11 mi17573+2306302+1206302+12016777(Top 63%)5938(Top 52%)5938(Top 327%)
20M20.00 mi1.36 mi17488+856272+306272+3016634(Top 62%)5936(Top 52%)5936(Top 327%)
21M21.00 mi1.00 mi17402+866234+386234+3816228(Top 61%)5756(Top 50%)5756(Top 317%)
35K21.75 mi0.75 mi17383+196234623417200(Top 65%)6385(Top 56%)6385(Top 351%)
23M23.00 mi1.25 mi17353+306228+66228+616708(Top 63%)6139(Top 54%)6139(Top 338%)
24M24.00 mi1.00 mi17303+506208+206208+2016223(Top 61%)5936(Top 52%)5936(Top 327%)
40K24.85 mi0.85 mi17184+1196163+456163+4514648(Top 55%)5122(Top 45%)5122(Top 282%)
25.2M25.20 mi0.35 mi17133+516141+226141+2213385(Top 50%)4456(Top 39%)4456(Top 245%)
Finish26.22 mi1.02 mi17016+1176090+516090+5113995(Top 53%)4746(Top 42%)4746(Top 261%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17723

Females

6349

F45-49

6349

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18372

Females

6702

F45-49

6702

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17723

Females

6349

F45-49

6349

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

17128

Females

6007

F45-49

6007

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18017

Females

6481

F45-49

6481

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

17097

Females

6058

F45-49

6058

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

16777

Females

5938

F45-49

5938

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

16634

Females

5936

F45-49

5936

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

16228

Females

5756

F45-49

5756

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

17200

Females

6385

F45-49

6385

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16708

Females

6139

F45-49

6139

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16223

Females

5936

F45-49

5936

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14648

Females

5122

F45-49

5122

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13385

Females

4456

F45-49

4456

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

13995

Females

4746

F45-49

4746

Passing Analysis

Category:
Athletes Passed
2666
Passed By
723
Net Change
+1943
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18959
5K → 10K570219+351#18959#18608
10K → 15K36267+295#18608#18313
15K → 20K35935+324#18313#17989
20K → Half31310#17989#17989
Half → 25K22741+186#17989#17803
25K → 30K30070+230#17803#17573
30K → 20M12843+85#17573#17488
20M → 21M12539+86#17488#17402
21M → 35K5738+19#17402#17383
35K → 23M10171+30#17383#17353
23M → 24M8636+50#17353#17303
24M → 40K13314+119#17303#17184
40K → 25.2M532+51#17184#17133
25.2M → Finish13417+117#17133#17016
TOTALS2666723+1943
📊

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