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BOSTON MARATHON 2023

Nancy Newkirk

Bib: 19201•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 42%
Masters (Masters Women)
#0 / 6539
Top 30%
Division (F45-49)
#0 / 1817
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:49
Rank: #16226
Start → 5K
25:49 | 8:19/mi
10K· 6.21 mi
50:44
Rank: #15588 (+638)
5K → 10K
24:55 | 8:01/mi
15K· 9.32 mi
1:15:42
Rank: #15270 (+318)
10K → 15K
24:58 | 8:02/mi
20K· 12.43 mi
1:41:00
Rank: #15076 (+194)
15K → 20K
25:18 | 8:09/mi
Half· 13.11 mi
1:46:31
Rank: #15052 (+24)
20K → Half
5:31 | 8:05/mi
25K· 15.53 mi
2:06:21
Rank: #14871 (+181)
Half → 25K
19:50 | 8:11/mi
30K· 18.64 mi
2:32:36
Rank: #14703 (+168)
25K → 30K
26:15 | 8:27/mi
20M
2:44:14
Rank: #14646 (+57)
30K → 20M
11:38 | 8:34/mi
21M
2:53:32
Rank: #14652 (-6)
20M → 21M
9:18 | 9:18/mi
35K· 21.75 mi
2:59:56
Rank: #14670 (-18)
21M → 35K
6:24 | 8:33/mi
23M
3:11:00
Rank: #14703 (-33)
35K → 23M
11:04 | 8:50/mi
24M
3:19:52
Rank: #14759 (-56)
23M → 24M
8:52 | 8:52/mi
40K· 24.85 mi
3:27:31
Rank: #14781 (-22)
24M → 40K
7:39 | 8:57/mi
25.2M
3:30:51
Rank: #14785 (-4)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:39:49
Rank: #14900 (-115)
25.2M → Finish
8:58 | 8:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:31
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:53:18
Pace8:39 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1925:498:1925:49
8:19
-
10K
6.21 mi11:42:1450:448:1024:55
8:01
-0:18
15K
9.32 mi12:07:121:15:428:0724:58
8:02
+0:01
20K
12.43 mi12:32:301:41:008:0825:18
8:09
+0:07
Half
13.11 mi12:38:011:46:318:085:31
8:05
-0:04
25K
15.53 mi12:57:512:06:218:0819:50
8:11
+0:06
30K
18.64 mi13:24:062:32:368:1126:15
8:27
+0:16
20M
20.00 mi13:35:442:44:148:1311:38
8:34
+0:07
21M
21.00 mi13:45:022:53:328:169:18
9:18
+0:44
35K
21.75 mi13:51:262:59:568:166:24
8:33
-0:45
23M
23.00 mi14:02:303:11:008:1811:04
8:50
+0:17
24M
24.00 mi14:11:223:19:528:208:52
8:52
+0:02
40K
24.85 mi14:19:013:27:318:217:39
8:57
+0:05
25.2M
25.20 mi14:22:213:30:518:223:20
9:40
+0:43
Finish
26.22 mi14:31:193:39:498:238:58
8:48
-0:52

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

8:01 /mi

Average Pace

8:23 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:32

46% of race

Time at Steady Pace

1:10:06

32% of race

Time at Slower Pace

49:11

22% of race

Average Pace: 8:23 /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 mi11:17:1925:498:1925:49
8:19
#16226
10K
6.21 mi11:42:1450:448:1024:55
8:01
#15588
15K
9.32 mi12:07:121:15:428:0724:58
8:02
#15270
20K
12.43 mi12:32:301:41:008:0825:18
8:09
#15076
Half
13.11 mi12:38:011:46:318:085:31
8:05
#15052
25K
15.53 mi12:57:512:06:218:0819:50
8:11
#14871
30K
18.64 mi13:24:062:32:368:1126:15
8:27
#14703
20M
20.00 mi13:35:442:44:148:1311:38
8:34
#14646
21M
21.00 mi13:45:022:53:328:169:18
9:18
#14652
35K
21.75 mi13:51:262:59:568:166:24
8:33
#14670
23M
23.00 mi14:02:303:11:008:1811:04
8:50
#14703
24M
24.00 mi14:11:223:19:528:208:52
8:52
#14759
40K
24.85 mi14:19:013:27:318:217:39
8:57
#14781
25.2M
25.20 mi14:22:213:30:518:223:20
9:40
#14785
Finish
26.22 mi14:31:193:39:498:238:58
8:48
#14900
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi162265422542214706(Top 55%)4511(Top 39%)4511(Top 248%)
10K6.21 mi3.10 mi15588+6385023+3995023+39914965(Top 56%)4652(Top 41%)4652(Top 256%)
15K9.32 mi3.11 mi15270+3184832+1914832+19114706(Top 55%)4511(Top 39%)4511(Top 248%)
20K12.43 mi3.11 mi15076+1944730+1024730+10214561(Top 55%)4441(Top 39%)4441(Top 244%)
Half13.11 mi0.68 mi15052+244720+104720+1015101(Top 57%)4746(Top 42%)4746(Top 261%)
25K15.53 mi2.42 mi14871+1814631+894631+8914112(Top 53%)4296(Top 38%)4296(Top 236%)
30K18.64 mi3.11 mi14703+1684557+744557+7413997(Top 53%)4333(Top 38%)4333(Top 238%)
20M20.00 mi1.36 mi14646+574548+94548+914033(Top 53%)4433(Top 39%)4433(Top 244%)
21M21.00 mi1.00 mi14652-64580-324580-3214995(Top 56%)5049(Top 44%)5049(Top 278%)
35K21.75 mi0.75 mi14670-184609-294609-2915607(Top 59%)5466(Top 48%)5466(Top 301%)
23M23.00 mi1.25 mi14703-334655-464655-4615210(Top 57%)5291(Top 46%)5291(Top 291%)
24M24.00 mi1.00 mi14759-564715-604715-6016593(Top 62%)6123(Top 54%)6123(Top 337%)
40K24.85 mi0.85 mi14781-224748-334748-3315882(Top 60%)5780(Top 51%)5780(Top 318%)
25.2M25.20 mi0.35 mi14785-44765-174765-1715981(Top 60%)5845(Top 51%)5845(Top 322%)
Finish26.22 mi1.02 mi14900-1154852-874852-8717043(Top 64%)6395(Top 56%)6395(Top 352%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14706

Females

4511

F45-49

4511

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14965

Females

4652

F45-49

4652

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14706

Females

4511

F45-49

4511

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14561

Females

4441

F45-49

4441

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

15101

Females

4746

F45-49

4746

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14112

Females

4296

F45-49

4296

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

13997

Females

4333

F45-49

4333

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

14033

Females

4433

F45-49

4433

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14995

Females

5049

F45-49

5049

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15607

Females

5466

F45-49

5466

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15210

Females

5291

F45-49

5291

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16593

Females

6123

F45-49

6123

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15882

Females

5780

F45-49

5780

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15981

Females

5845

F45-49

5845

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

17043

Females

6395

F45-49

6395

Passing Analysis

Category:
Athletes Passed
2383
Passed By
1057
Net Change
+1326
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16226
5K → 10K73496+638#16226#15588
10K → 15K37961+318#15588#15270
15K → 20K28995+194#15270#15076
20K → Half4622+24#15076#15052
Half → 25K22746+181#15052#14871
25K → 30K24779+168#14871#14703
30K → 20M11356+57#14703#14646
20M → 21M8490-6#14646#14652
21M → 35K4260-18#14652#14670
35K → 23M6295-33#14670#14703
23M → 24M50106-56#14703#14759
24M → 40K5678-22#14759#14781
40K → 25.2M2731-4#14781#14785
25.2M → Finish27142-115#14785#14900
TOTALS23831057+1326
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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