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BOSTON MARATHON 2023

Nathalie Savard

Bib: 19608•F

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 47%
Masters (Masters Women)
#0 / 6539
Top 36%
Division (F45-49)
#0 / 1817
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:45
Rank: #16072
Start → 5K
8:17/mi
25:45 split
10K· 6.21 mi
51:00
Rank: #15883 (+189)
5K → 10K
8:08/mi
25:15 split
15K· 9.32 mi
1:16:38
Rank: #15982 (-99)
10K → 15K
8:15/mi
25:38 split
20K· 12.43 mi
1:43:02
Rank: #16210 (-228)
15K → 20K
8:30/mi
26:24 split
Half· 13.11 mi
1:48:53
Rank: #16333 (-123)
20K → Half
8:34/mi
5:51 split
25K· 15.53 mi
2:09:41
Rank: #16397 (-64)
Half → 25K
8:35/mi
20:48 split
30K· 18.64 mi
2:37:11
Rank: #16368 (+29)
25K → 30K
8:51/mi
27:30 split
20M
2:49:10
Rank: #16278 (+90)
30K → 20M
8:49/mi
11:59 split
21M
2:58:34
Rank: #16218 (+60)
20M → 21M
9:24/mi
9:24 split
35K· 21.75 mi
3:04:53
Rank: #16153 (+65)
21M → 35K
8:27/mi
6:19 split
23M
3:16:01
Rank: #16099 (+54)
35K → 23M
8:54/mi
11:08 split
24M
3:24:35
Rank: #16034 (+65)
23M → 24M
8:34/mi
8:34 split
40K· 24.85 mi
3:31:50
Rank: #15914 (+120)
24M → 40K
8:29/mi
7:15 split
25.2M
3:35:04
Rank: #15879 (+35)
40K → 25.2M
9:23/mi
3:14 split
Finish· 26.22 mi
3:43:28
Rank: #15795 (+84)
25.2M → Finish
8:15/mi
8:24 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:53
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:54:35
Pace8:44 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5525:458:1725:45
8:17
-
10K
6.21 mi11:43:1051:008:1225:15
8:08
-0:09
15K
9.32 mi12:08:481:16:388:1325:38
8:15
+0:07
20K
12.43 mi12:35:121:43:028:1726:24
8:30
+0:15
Half
13.11 mi12:41:031:48:538:185:51
8:34
+0:04
25K
15.53 mi13:01:512:09:418:2120:48
8:35
+0:01
30K
18.64 mi13:29:212:37:118:2627:30
8:51
+0:16
20M
20.00 mi13:41:202:49:108:2711:59
8:49
-0:02
21M
21.00 mi13:50:442:58:348:309:24
9:24
+0:35
35K
21.75 mi13:57:033:04:538:306:19
8:27
-0:57
23M
23.00 mi14:08:113:16:018:3111:08
8:54
+0:27
24M
24.00 mi14:16:453:24:358:318:34
8:34
-0:20
40K
24.85 mi14:24:003:31:508:317:15
8:29
-0:05
25.2M
25.20 mi14:27:143:35:048:323:14
9:23
+0:54
Finish
26.22 mi14:35:383:43:288:328:24
8:15
-1:08

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

8:08 /mi

Average Pace

8:32 /mi

Slowest Pace

9:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:30:50

94% of race

Time at Steady Pace

12:38

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:31 /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 mi11:17:5525:458:1725:45
8:17
#16072
10K
6.21 mi11:43:1051:008:1225:15
8:08
#15883
15K
9.32 mi12:08:481:16:388:1325:38
8:15
#15982
20K
12.43 mi12:35:121:43:028:1726:24
8:30
#16210
Half
13.11 mi12:41:031:48:538:185:51
8:34
#16333
25K
15.53 mi13:01:512:09:418:2120:48
8:35
#16397
30K
18.64 mi13:29:212:37:118:2627:30
8:51
#16368
20M
20.00 mi13:41:202:49:108:2711:59
8:49
#16278
21M
21.00 mi13:50:442:58:348:309:24
9:24
#16218
35K
21.75 mi13:57:033:04:538:306:19
8:27
#16153
23M
23.00 mi14:08:113:16:018:3111:08
8:54
#16099
24M
24.00 mi14:16:453:24:358:318:34
8:34
#16034
40K
24.85 mi14:24:003:31:508:317:15
8:29
#15914
25.2M
25.20 mi14:27:143:35:048:323:14
9:23
#15879
Finish
26.22 mi14:35:383:43:288:328:24
8:15
#15795
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi160725332533216235(Top 61%)5431(Top 48%)5431(Top 299%)
10K6.21 mi3.10 mi15883+1895211+1215211+12115737(Top 59%)5104(Top 45%)5104(Top 281%)
15K9.32 mi3.11 mi15982-995271-605271-6016235(Top 61%)5431(Top 48%)5431(Top 299%)
20K12.43 mi3.11 mi16210-2285430-1595430-15916837(Top 63%)5841(Top 51%)5841(Top 321%)
Half13.11 mi0.68 mi16333-1235513-835513-8318180(Top 68%)6575(Top 58%)6575(Top 362%)
25K15.53 mi2.42 mi16397-645573-605573-6016690(Top 63%)5824(Top 51%)5824(Top 321%)
30K18.64 mi3.11 mi16368+295606-335606-3316391(Top 62%)5720(Top 50%)5720(Top 315%)
20M20.00 mi1.36 mi16278+905568+385568+3815545(Top 58%)5302(Top 46%)5302(Top 292%)
21M21.00 mi1.00 mi16218+605549+195549+1915490(Top 58%)5345(Top 47%)5345(Top 294%)
35K21.75 mi0.75 mi16153+655530+195530+1915011(Top 56%)5116(Top 45%)5116(Top 282%)
23M23.00 mi1.25 mi16099+545509+215509+2115517(Top 58%)5462(Top 48%)5462(Top 301%)
24M24.00 mi1.00 mi16034+655485+245485+2414901(Top 56%)5178(Top 45%)5178(Top 285%)
40K24.85 mi0.85 mi15914+1205432+535432+5313253(Top 50%)4351(Top 38%)4351(Top 239%)
25.2M25.20 mi0.35 mi15879+355413+195413+1914632(Top 55%)5098(Top 45%)5098(Top 281%)
Finish26.22 mi1.02 mi15795+845374+395374+3913756(Top 52%)4615(Top 40%)4615(Top 254%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

16235

Females

5431

F45-49

5431

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15737

Females

5104

F45-49

5104

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

16235

Females

5431

F45-49

5431

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

16837

Females

5841

F45-49

5841

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18180

Females

6575

F45-49

6575

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16690

Females

5824

F45-49

5824

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16391

Females

5720

F45-49

5720

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

15545

Females

5302

F45-49

5302

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15490

Females

5345

F45-49

5345

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

15011

Females

5116

F45-49

5116

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

15517

Females

5462

F45-49

5462

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

14901

Females

5178

F45-49

5178

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13253

Females

4351

F45-49

4351

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14632

Females

5098

F45-49

5098

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

13756

Females

4615

F45-49

4615

Passing Analysis

Category:
Athletes Passed
1788
Passed By
1511
Net Change
+277
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16072
5K → 10K402213+189#16072#15883
10K → 15K156255-99#15883#15982
15K → 20K98326-228#15982#16210
20K → Half16139-123#16210#16333
Half → 25K112176-64#16333#16397
25K → 30K193164+29#16397#16368
30K → 20M12838+90#16368#16278
20M → 21M11454+60#16278#16218
21M → 35K8015+65#16218#16153
35K → 23M11258+54#16153#16099
23M → 24M9631+65#16099#16034
24M → 40K13414+120#16034#15914
40K → 25.2M438+35#15914#15879
25.2M → Finish10420+84#15879#15795
TOTALS17881511+277
📊

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