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BOSTON MARATHON 2023

Nicole James

Bib: 26061•F

VT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 50%
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
8:48/mi
27:21
↑ 97↓ 3451.5%
10K· 6.21 mi
8:31/mi
53:50
↑ 79↓ 1380.4%
15K· 9.32 mi
8:37/mi
1:20:37
↑ 67↓ 78
20K· 12.43 mi
8:49/mi
1:48:02
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:53:57
↑ 19↓ 370.5%
25K· 15.53 mi
8:50/mi
2:15:23
↑ 66↓ 880.2%
30K· 18.64 mi
9:02/mi
2:43:27
↑ 181↓ 1480.2%
20M
9:05/mi
2:55:48
↑ 64↓ 500.2%
21M
9:50/mi
3:05:38
↑ 106↓ 241.6%
35K· 21.75 mi
8:55/mi
3:12:18
↑ 17↓ 861.7%
23M
8:58/mi
3:23:32
↑ 23↓ 630.6%
24M
8:49/mi
3:32:21
↓ 821.3%
40K· 24.85 mi
8:53/mi
3:39:57
↓ 200.3%
25.2M
9:31/mi
3:43:14
↑ 13↓ 160.2%
Finish· 26.22 mi
8:50/mi
3:52:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:57
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time1:58:17
Pace9:01 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:4427:218:4827:21
8:48
-
10K
6.21 mi12:10:1353:508:4026:29
8:31
-0:17
15K
9.32 mi12:37:001:20:378:3926:47
8:37
+0:06
20K
12.43 mi13:04:251:48:028:4227:25
8:49
+0:12
Half
13.11 mi13:10:201:53:578:425:55
8:40
-0:09
25K
15.53 mi13:31:462:15:238:4321:26
8:50
+0:10
30K
18.64 mi13:59:502:43:278:4628:04
9:02
+0:12
20M
20.00 mi14:12:112:55:488:4712:21
9:05
+0:03
21M
21.00 mi14:22:013:05:388:509:50
9:50
+0:45
35K
21.75 mi14:28:413:12:188:516:40
8:55
-0:55
23M
23.00 mi14:39:553:23:328:5111:14
8:58
+0:03
24M
24.00 mi14:48:443:32:218:518:49
8:49
-0:09
40K
24.85 mi14:56:203:39:578:517:36
8:53
+0:04
25.2M
25.20 mi14:59:373:43:148:523:17
9:31
+0:38
Finish
26.22 mi15:08:373:52:148:529:00
8:50
-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

8:31 /mi

Average Pace

8:52 /mi

Slowest Pace

9:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:39:07

94% of race

Time at Steady Pace

13:07

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:51 /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 mi11:43:4427:218:4827:21
8:48
#19481
10K
6.21 mi12:10:1353:508:4026:29
8:31
#18910
15K
9.32 mi12:37:001:20:378:3926:47
8:37
#18750
20K
12.43 mi13:04:251:48:028:4227:25
8:49
#18755
Half
13.11 mi13:10:201:53:578:425:55
8:40
#18754
25K
15.53 mi13:31:462:15:238:4321:26
8:50
#18661
30K
18.64 mi13:59:502:43:278:4628:04
9:02
#18386
20M
20.00 mi14:12:112:55:488:4712:21
9:05
#18283
21M
21.00 mi14:22:013:05:388:509:50
9:50
#18221
35K
21.75 mi14:28:413:12:188:516:40
8:55
#18184
23M
23.00 mi14:39:553:23:328:5111:14
8:58
#18045
24M
24.00 mi14:48:443:32:218:518:49
8:49
#17972
40K
24.85 mi14:56:203:39:578:517:36
8:53
#17889
25.2M
25.20 mi14:59:373:43:148:523:17
9:31
#17855
Finish
26.22 mi15:08:373:52:148:529:00
8:50
#17816
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi194817500750018577(Top 70%)6850(Top 60%)6850(Top 377%)
10K6.21 mi3.10 mi18910+5717086+4147086+41418410(Top 69%)6722(Top 59%)6722(Top 370%)
15K9.32 mi3.11 mi18750+1606976+1106976+11018577(Top 70%)6850(Top 60%)6850(Top 377%)
20K12.43 mi3.11 mi18755-56971+56971+518812(Top 71%)6970(Top 61%)6970(Top 384%)
Half13.11 mi0.68 mi18754+16970+16970+118802(Top 71%)6959(Top 61%)6959(Top 383%)
25K15.53 mi2.42 mi18661+936931+396931+3918181(Top 68%)6653(Top 58%)6653(Top 366%)
30K18.64 mi3.11 mi18386+2756795+1366795+13617366(Top 65%)6284(Top 55%)6284(Top 346%)
20M20.00 mi1.36 mi18283+1036753+426753+4217011(Top 64%)6171(Top 54%)6171(Top 340%)
21M21.00 mi1.00 mi18221+626734+196734+1917394(Top 65%)6427(Top 56%)6427(Top 354%)
35K21.75 mi0.75 mi18184+376713+216713+2117529(Top 66%)6571(Top 58%)6571(Top 362%)
23M23.00 mi1.25 mi18045+1396635+786635+7815948(Top 60%)5718(Top 50%)5718(Top 315%)
24M24.00 mi1.00 mi17972+736609+266609+2616332(Top 61%)5995(Top 52%)5995(Top 330%)
40K24.85 mi0.85 mi17889+836565+446565+4415592(Top 59%)5637(Top 49%)5637(Top 310%)
25.2M25.20 mi0.35 mi17855+346547+186547+1815371(Top 58%)5532(Top 48%)5532(Top 304%)
Finish26.22 mi1.02 mi17816+396539+86539+817218(Top 65%)6495(Top 57%)6495(Top 357%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

18577

Females

6850

F45-49

6850

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18410

Females

6722

F45-49

6722

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

18577

Females

6850

F45-49

6850

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18812

Females

6970

F45-49

6970

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18802

Females

6959

F45-49

6959

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

18181

Females

6653

F45-49

6653

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

17366

Females

6284

F45-49

6284

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

17011

Females

6171

F45-49

6171

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

17394

Females

6427

F45-49

6427

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

17529

Females

6571

F45-49

6571

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15948

Females

5718

F45-49

5718

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16332

Females

5995

F45-49

5995

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15592

Females

5637

F45-49

5637

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15371

Females

5532

F45-49

5532

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

17218

Females

6495

F45-49

6495

Passing Analysis

Category:
Athletes Passed
2472
Passed By
807
Net Change
+1665
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19481
5K → 10K717146+571#19481#18910
10K → 15K274114+160#18910#18750
15K → 20K166171-5#18750#18755
20K → Half2928+1#18755#18754
Half → 25K16774+93#18754#18661
25K → 30K32348+275#18661#18386
30K → 20M14340+103#18386#18283
20M → 21M12563+62#18283#18221
21M → 35K7235+37#18221#18184
35K → 23M15112+139#18184#18045
23M → 24M9219+73#18045#17972
24M → 40K10118+83#17972#17889
40K → 25.2M439+34#17889#17855
25.2M → Finish6930+39#17855#17816
TOTALS2472807+1665
📊

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