Boston Marathon logo
BOSTON MARATHON 2023

Whitney Wilberts

Bib: 16552•F

TX

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 47%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:57
Rank: #16526
Start → 5K
25:57 | 8:21/mi
10K· 6.21 mi
52:21
Rank: #17386 (-860)
5K → 10K
26:24 | 8:30/mi
15K· 9.32 mi
1:19:28
Rank: #18009 (-623)
10K → 15K
27:07 | 8:44/mi
20K· 12.43 mi
1:46:09
Rank: #17843 (+166)
15K → 20K
26:41 | 8:35/mi
Half· 13.11 mi
1:51:55
Rank: #17805 (+38)
20K → Half
5:46 | 8:27/mi
25K· 15.53 mi
2:12:30
Rank: #17505 (+300)
Half → 25K
20:35 | 8:29/mi
30K· 18.64 mi
2:39:41
Rank: #17159 (+346)
25K → 30K
27:11 | 8:45/mi
20M
2:51:30
Rank: #16974 (+185)
30K → 20M
11:49 | 8:42/mi
21M
3:00:30
Rank: #16769 (+205)
20M → 21M
9:00 | 9:00/mi
35K· 21.75 mi
3:06:33
Rank: #16622 (+147)
21M → 35K
6:03 | 8:05/mi
23M
3:17:06
Rank: #16383 (+239)
35K → 23M
10:33 | 8:26/mi
24M
3:25:11
Rank: #16173 (+210)
23M → 24M
8:05 | 8:05/mi
40K· 24.85 mi
3:32:15
Rank: #16015 (+158)
24M → 40K
7:04 | 8:16/mi
25.2M
3:35:19
Rank: #15943 (+72)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:43:33
Rank: #15817 (+126)
25.2M → Finish
8:14 | 8:05/mi

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 Half⚖️ Balanced
Distance13.11 mi
Time1:51:55
Pace8:32 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:51:38
Pace8:31 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2325:578:2125:57
8:21
-
10K
6.21 mi11:42:4752:218:2526:24
8:30
+0:09
15K
9.32 mi12:09:541:19:288:3227:07
8:44
+0:14
20K
12.43 mi12:36:351:46:098:3226:41
8:35
-0:09
Half
13.11 mi12:42:211:51:558:325:46
8:27
-0:08
25K
15.53 mi13:02:562:12:308:3220:35
8:29
+0:02
30K
18.64 mi13:30:072:39:418:3427:11
8:45
+0:16
20M
20.00 mi13:41:562:51:308:3411:49
8:42
-0:03
21M
21.00 mi13:50:563:00:308:369:00
9:00
+0:18
35K
21.75 mi13:56:593:06:338:356:03
8:05
-0:55
23M
23.00 mi14:07:323:17:068:3410:33
8:26
+0:21
24M
24.00 mi14:15:373:25:118:338:05
8:05
-0:21
40K
24.85 mi14:22:413:32:158:327:04
8:16
+0:11
25.2M
25.20 mi14:25:453:35:198:333:04
8:54
+0:38
Finish
26.22 mi14:33:593:43:338:328:14
8:05
-0:49

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

8:05 /mi

Average Pace

8:32 /mi

Slowest Pace

9:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:31:29

95% of race

Time at Steady Pace

12:04

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:32 /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 mi11:16:2325:578:2125:57
8:21
#16526
10K
6.21 mi11:42:4752:218:2526:24
8:30
#17386
15K
9.32 mi12:09:541:19:288:3227:07
8:44
#18009
20K
12.43 mi12:36:351:46:098:3226:41
8:35
#17843
Half
13.11 mi12:42:211:51:558:325:46
8:27
#17805
25K
15.53 mi13:02:562:12:308:3220:35
8:29
#17505
30K
18.64 mi13:30:072:39:418:3427:11
8:45
#17159
20M
20.00 mi13:41:562:51:308:3411:49
8:42
#16974
21M
21.00 mi13:50:563:00:308:369:00
9:00
#16769
35K
21.75 mi13:56:593:06:338:356:03
8:05
#16622
23M
23.00 mi14:07:323:17:068:3410:33
8:26
#16383
24M
24.00 mi14:15:373:25:118:338:05
8:05
#16173
40K
24.85 mi14:22:413:32:158:327:04
8:16
#16015
25.2M
25.20 mi14:25:453:35:198:333:04
8:54
#15943
Finish
26.22 mi14:33:593:43:338:328:14
8:05
#15817
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi165265619561919122(Top 72%)7170(Top 63%)7170(Top 147%)
10K6.21 mi3.10 mi17386-8606154-5356154-53518231(Top 68%)6608(Top 58%)6608(Top 135%)
15K9.32 mi3.11 mi18009-6236530-3766530-37619122(Top 72%)7170(Top 63%)7170(Top 147%)
20K12.43 mi3.11 mi17843+1666430+1006430+10017422(Top 65%)6175(Top 54%)6175(Top 126%)
Half13.11 mi0.68 mi17805+386401+296401+2917471(Top 66%)6154(Top 54%)6154(Top 126%)
25K15.53 mi2.42 mi17505+3006237+1646237+16416138(Top 61%)5522(Top 48%)5522(Top 113%)
30K18.64 mi3.11 mi17159+3466055+1826055+18215780(Top 59%)5371(Top 47%)5371(Top 110%)
20M20.00 mi1.36 mi16974+1855952+1035952+10314861(Top 56%)4922(Top 43%)4922(Top 101%)
21M21.00 mi1.00 mi16769+2055849+1035849+10313452(Top 51%)4197(Top 37%)4197(Top 86%)
35K21.75 mi0.75 mi16622+1475784+655784+6512778(Top 48%)3885(Top 34%)3885(Top 80%)
23M23.00 mi1.25 mi16383+2395663+1215663+12112793(Top 48%)3972(Top 35%)3972(Top 81%)
24M24.00 mi1.00 mi16173+2105558+1055558+10511879(Top 45%)3541(Top 31%)3541(Top 73%)
40K24.85 mi0.85 mi16015+1585484+745484+7411852(Top 45%)3599(Top 32%)3599(Top 74%)
25.2M25.20 mi0.35 mi15943+725452+325452+3212035(Top 45%)3773(Top 33%)3773(Top 77%)
Finish26.22 mi1.02 mi15817+1265389+635389+6312687(Top 48%)4063(Top 36%)4063(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

19122

Females

7170

F18-39

7170

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18231

Females

6608

F18-39

6608

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

19122

Females

7170

F18-39

7170

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

17422

Females

6175

F18-39

6175

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

17471

Females

6154

F18-39

6154

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

16138

Females

5522

F18-39

5522

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15780

Females

5371

F18-39

5371

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14861

Females

4922

F18-39

4922

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13452

Females

4197

F18-39

4197

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12778

Females

3885

F18-39

3885

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12793

Females

3972

F18-39

3972

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

11879

Females

3541

F18-39

3541

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11852

Females

3599

F18-39

3599

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12035

Females

3773

F18-39

3773

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12687

Females

4063

F18-39

4063

Passing Analysis

Category:
Athletes Passed
2536
Passed By
1827
Net Change
+709
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16526
5K → 10K78938-860#16526#17386
10K → 15K55678-623#17386#18009
15K → 20K26296+166#18009#17843
20K → Half5416+38#17843#17805
Half → 25K31919+300#17805#17505
25K → 30K37731+346#17505#17159
30K → 20M19611+185#17159#16974
20M → 21M2149+205#16974#16769
21M → 35K1503+147#16769#16622
35K → 23M2423+239#16622#16383
23M → 24M2155+210#16383#16173
24M → 40K1602+158#16173#16015
40K → 25.2M753+72#16015#15943
25.2M → Finish13913+126#15943#15817
TOTALS25361827+709
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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