Boston Marathon logo
BOSTON MARATHON 2023

Natalie Waite

Bib: 19576•F

AZ

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 50%
Gender (Female)
#0 / 11423
Top 34%
Masters (Masters Women)
#0 / 6539
Top 20%
Division (F40-44)
#0 / 1878
Top 37%
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
7:52/mi
24:25
↑ 97↓ 3451.5%
10K· 6.21 mi
8:05/mi
49:31
↑ 79↓ 1380.4%
15K· 9.32 mi
8:08/mi
1:14:46
↑ 67↓ 78
20K· 12.43 mi
8:20/mi
1:40:38
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:46:15
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:05:52
↑ 66↓ 880.2%
30K· 18.64 mi
8:22/mi
2:31:52
↑ 181↓ 1480.2%
20M
8:26/mi
2:43:19
↑ 64↓ 500.2%
21M
9:10/mi
2:52:29
↑ 106↓ 241.6%
35K· 21.75 mi
8:00/mi
2:58:28
↑ 17↓ 861.7%
23M
7:55/mi
3:08:23
↑ 23↓ 630.6%
24M
7:53/mi
3:16:16
↓ 821.3%
40K· 24.85 mi
7:54/mi
3:23:01
↓ 200.3%
25.2M
8:22/mi
3:25:54
↑ 13↓ 160.2%
Finish· 26.22 mi
7:34/mi
3:33:37
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:15
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:47:22
Pace8:11 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3224:257:5224:25
7:52
-
10K
6.21 mi11:45:3849:317:5825:06
8:05
+0:13
15K
9.32 mi12:10:531:14:468:0125:15
8:08
+0:03
20K
12.43 mi12:36:451:40:388:0625:52
8:20
+0:12
Half
13.11 mi12:42:221:46:158:065:37
8:14
-0:06
25K
15.53 mi13:01:592:05:528:0619:37
8:05
-0:09
30K
18.64 mi13:27:592:31:528:0926:00
8:22
+0:17
20M
20.00 mi13:39:262:43:198:1011:27
8:26
+0:04
21M
21.00 mi13:48:362:52:298:139:10
9:10
+0:44
35K
21.75 mi13:54:352:58:288:125:59
8:00
-1:10
23M
23.00 mi14:04:303:08:238:119:55
7:55
-0:05
24M
24.00 mi14:12:233:16:168:117:53
7:53
-0:02
40K
24.85 mi14:19:083:23:018:106:45
7:54
+0:01
25.2M
25.20 mi14:22:013:25:548:102:53
8:22
+0:28
Finish
26.22 mi14:29:443:33:378:097:43
7:34
-0:48

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

7:34 /mi

Average Pace

8:09 /mi

Slowest Pace

9:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:46

22% of race

Time at Steady Pace

1:31:29

43% of race

Time at Slower Pace

1:15:22

35% of race

Average Pace: 8:09 /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 mi11:20:3224:257:5224:25
7:52
#12926
10K
6.21 mi11:45:3849:317:5825:06
8:05
#14153
15K
9.32 mi12:10:531:14:468:0125:15
8:08
#14510
20K
12.43 mi12:36:451:40:388:0625:52
8:20
#14848
Half
13.11 mi12:42:221:46:158:065:37
8:14
#14915
25K
15.53 mi13:01:592:05:528:0619:37
8:05
#14665
30K
18.64 mi13:27:592:31:528:0926:00
8:22
#14429
20M
20.00 mi13:39:262:43:198:1011:27
8:26
#14324
21M
21.00 mi13:48:362:52:298:139:10
9:10
#14302
35K
21.75 mi13:54:352:58:288:125:59
8:00
#14217
23M
23.00 mi14:04:303:08:238:119:55
7:55
#13889
24M
24.00 mi14:12:233:16:168:117:53
7:53
#13723
40K
24.85 mi14:19:083:23:018:106:45
7:54
#13519
25.2M
25.20 mi14:22:013:25:548:102:53
8:22
#13418
Finish
26.22 mi14:29:443:33:378:097:43
7:34
#13227
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi129263397339715343(Top 58%)4872(Top 43%)4872(Top 259%)
10K6.21 mi3.10 mi14153-12274134-7374134-73715365(Top 58%)4886(Top 43%)4886(Top 260%)
15K9.32 mi3.11 mi14510-3574358-2244358-22415343(Top 58%)4872(Top 43%)4872(Top 259%)
20K12.43 mi3.11 mi14848-3384584-2264584-22615764(Top 59%)5199(Top 46%)5199(Top 277%)
Half13.11 mi0.68 mi14915-674631-474631-4716014(Top 60%)5282(Top 46%)5282(Top 281%)
25K15.53 mi2.42 mi14665+2504504+1274504+12713457(Top 51%)3896(Top 34%)3896(Top 207%)
30K18.64 mi3.11 mi14429+2364411+934411+9313481(Top 51%)4012(Top 35%)4012(Top 214%)
20M20.00 mi1.36 mi14324+1054376+354376+3513180(Top 50%)3949(Top 35%)3949(Top 210%)
21M21.00 mi1.00 mi14302+224383-74383-714313(Top 54%)4661(Top 41%)4661(Top 248%)
35K21.75 mi0.75 mi14217+854341+424341+4212162(Top 46%)3525(Top 31%)3525(Top 188%)
23M23.00 mi1.25 mi13889+3284158+1834158+1839256(Top 35%)2159(Top 19%)2159(Top 115%)
24M24.00 mi1.00 mi13723+1664080+784080+7810452(Top 39%)2818(Top 25%)2818(Top 150%)
40K24.85 mi0.85 mi13519+2043968+1123968+1129367(Top 35%)2349(Top 21%)2349(Top 125%)
25.2M25.20 mi0.35 mi13418+1013926+423926+428788(Top 33%)2191(Top 19%)2191(Top 117%)
Finish26.22 mi1.02 mi13227+1913836+903836+909142(Top 34%)2312(Top 20%)2312(Top 123%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15343

Females

4872

F40-44

4872

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15365

Females

4886

F40-44

4886

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15343

Females

4872

F40-44

4872

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15764

Females

5199

F40-44

5199

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

16014

Females

5282

F40-44

5282

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

13457

Females

3896

F40-44

3896

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

13481

Females

4012

F40-44

4012

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

13180

Females

3949

F40-44

3949

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

14313

Females

4661

F40-44

4661

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

12162

Females

3525

F40-44

3525

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9256

Females

2159

F40-44

2159

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10452

Females

2818

F40-44

2818

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9367

Females

2349

F40-44

2349

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8788

Females

2191

F40-44

2191

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9142

Females

2312

F40-44

2312

Passing Analysis

Category:
Athletes Passed
2121
Passed By
2422
Net Change
-301
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12926
5K → 10K321259-1227#12926#14153
10K → 15K84441-357#14153#14510
15K → 20K100438-338#14510#14848
20K → Half1481-67#14848#14915
Half → 25K26818+250#14915#14665
25K → 30K29963+236#14665#14429
30K → 20M13934+105#14429#14324
20M → 21M7553+22#14324#14302
21M → 35K9813+85#14302#14217
35K → 23M3302+328#14217#13889
23M → 24M1759+166#13889#13723
24M → 40K2051+204#13723#13519
40K → 25.2M1010+101#13519#13418
25.2M → Finish20110+191#13418#13227
TOTALS21212422-301
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing