Boston Marathon logo
BOSTON MARATHON 2023

Jordan Vallarelli

Bib: 31101•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
26:21
Rank: #17457
Start → 5K
26:21 | 8:29/mi
10K· 6.21 mi
53:35
Rank: #18660 (-1203)
5K → 10K
27:14 | 8:46/mi
15K· 9.32 mi
1:21:29
Rank: #19295 (-635)
10K → 15K
27:54 | 8:59/mi
20K· 12.43 mi
1:52:52
Rank: #20697 (-1402)
15K → 20K
31:23 | 10:06/mi
Half· 13.11 mi
1:59:13
Rank: #20753 (-56)
20K → Half
6:21 | 9:18/mi
25K· 15.53 mi
2:25:16
Rank: #21457 (-704)
Half → 25K
26:03 | 10:45/mi
30K· 18.64 mi
3:01:19
Rank: #22151 (-694)
25K → 30K
36:03 | 11:36/mi
20M
3:19:02
Rank: #22519 (-368)
30K → 20M
17:43 | 13:02/mi
21M
3:34:32
Rank: #22910 (-391)
20M → 21M
15:30 | 15:30/mi
35K· 21.75 mi
3:42:31
Rank: #22899 (+11)
21M → 35K
7:59 | 10:40/mi
23M
3:56:59
Rank: #22925 (-26)
35K → 23M
14:28 | 11:33/mi
24M
4:08:06
Rank: #22934 (-9)
23M → 24M
11:07 | 11:07/mi
40K· 24.85 mi
4:21:10
Rank: #23232 (-298)
24M → 40K
13:04 | 15:17/mi
25.2M
4:25:08
Rank: #23201 (+31)
40K → 25.2M
3:58 | 11:30/mi
Finish· 26.22 mi
4:35:11
Rank: #23144 (+57)
25.2M → Finish
10:03 | 9:52/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 HalfFaster
Distance13.11 mi
Time1:59:13
Pace9:06 /mi
2nd Half
Distance13.11 mi
Time2:35:58
Pace11:54 /mi
📊Positive Split: 30.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:2526:218:2926:21
8:29
-
10K
6.21 mi12:08:3953:358:3727:14
8:46
+0:17
15K
9.32 mi12:36:331:21:298:4527:54
8:59
+0:13
20K
12.43 mi13:07:561:52:529:0531:23
10:06
+1:07
Half
13.11 mi13:14:171:59:139:066:21
9:18
-0:48
25K
15.53 mi13:40:202:25:169:2126:03
10:45
+1:27
30K
18.64 mi14:16:233:01:199:4436:03
11:36
+0:51
20M
20.00 mi14:34:063:19:029:5717:43
13:02
+1:26
21M
21.00 mi14:49:363:34:3210:1315:30
15:30
+2:28
35K
21.75 mi14:57:353:42:3110:147:59
10:40
-4:50
23M
23.00 mi15:12:033:56:5910:1814:28
11:33
+0:53
24M
24.00 mi15:23:104:08:0610:2011:07
11:07
-0:26
40K
24.85 mi15:36:144:21:1010:3013:04
15:17
+4:10
25.2M
25.20 mi15:40:124:25:0810:313:58
11:30
-3:47
Finish
26.22 mi15:50:154:35:1110:3010:03
9:52
-1:38

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

8:29 /mi

Average Pace

10:30 /mi

Slowest Pace

15:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:50

32% of race

Time at Steady Pace

2:21:04

51% of race

Time at Slower Pace

46:17

17% of race

Average Pace: 10:30 /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 mi11:41:2526:218:2926:21
8:29
#17457
10K
6.21 mi12:08:3953:358:3727:14
8:46
#18660
15K
9.32 mi12:36:331:21:298:4527:54
8:59
#19295
20K
12.43 mi13:07:561:52:529:0531:23
10:06
#20697
Half
13.11 mi13:14:171:59:139:066:21
9:18
#20753
25K
15.53 mi13:40:202:25:169:2126:03
10:45
#21457
30K
18.64 mi14:16:233:01:199:4436:03
11:36
#22151
20M
20.00 mi14:34:063:19:029:5717:43
13:02
#22519
21M
21.00 mi14:49:363:34:3210:1315:30
15:30
#22910
35K
21.75 mi14:57:353:42:3110:147:59
10:40
#22899
23M
23.00 mi15:12:033:56:5910:1814:28
11:33
#22925
24M
24.00 mi15:23:104:08:0610:2011:07
11:07
#22934
40K
24.85 mi15:36:144:21:1010:3013:04
15:17
#23232
25.2M
25.20 mi15:40:124:25:0810:313:58
11:30
#23201
Finish
26.22 mi15:50:154:35:1110:3010:03
9:52
#23144
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi174576231623120425(Top 77%)7916(Top 69%)7916(Top 162%)
10K6.21 mi3.10 mi18660-12036921-6906921-69019778(Top 74%)7569(Top 66%)7569(Top 155%)
15K9.32 mi3.11 mi19295-6357316-3957316-39520425(Top 77%)7916(Top 69%)7916(Top 162%)
20K12.43 mi3.11 mi20697-14028104-7888104-78823118(Top 87%)9412(Top 82%)9412(Top 193%)
Half13.11 mi0.68 mi20753-568135-318135-3121586(Top 81%)8572(Top 75%)8572(Top 176%)
25K15.53 mi2.42 mi21457-7048522-3878522-38723583(Top 89%)9722(Top 85%)9722(Top 199%)
30K18.64 mi3.11 mi22151-6948922-4008922-40024009(Top 90%)10021(Top 88%)10021(Top 205%)
20M20.00 mi1.36 mi22519-3689149-2279149-22725212(Top 95%)10706(Top 94%)10706(Top 219%)
21M21.00 mi1.00 mi22910-3919361-2129361-21226014(Top 98%)11120(Top 97%)11120(Top 228%)
35K21.75 mi0.75 mi22899+119363-29363-222716(Top 85%)9434(Top 83%)9434(Top 193%)
23M23.00 mi1.25 mi22925-269386-239386-2323353(Top 88%)9777(Top 86%)9777(Top 200%)
24M24.00 mi1.00 mi22934-99403-179403-1723271(Top 87%)9783(Top 86%)9783(Top 200%)
40K24.85 mi0.85 mi23232-2989560-1579560-15726257(Top 99%)11289(Top 99%)11289(Top 231%)
25.2M25.20 mi0.35 mi23201+319550+109550+1021608(Top 81%)8923(Top 78%)8923(Top 183%)
Finish26.22 mi1.02 mi23144+579522+289522+2821380(Top 80%)8773(Top 77%)8773(Top 180%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

20425

Females

7916

F18-39

7916

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

19778

Females

7569

F18-39

7569

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

20425

Females

7916

F18-39

7916

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

23118

Females

9412

F18-39

9412

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

21586

Females

8572

F18-39

8572

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

23583

Females

9722

F18-39

9722

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

24009

Females

10021

F18-39

10021

30K→20M

18.6 - 20.0 mi

Top 95%
×5stories
+64ft-50ft

Overall

25212

Females

10706

F18-39

10706

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

26014

Females

11120

F18-39

11120

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22716

Females

9434

F18-39

9434

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

23353

Females

9777

F18-39

9777

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

23271

Females

9783

F18-39

9783

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26257

Females

11289

F18-39

11289

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21608

Females

8923

F18-39

8923

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21380

Females

8773

F18-39

8773

Passing Analysis

Category:
Athletes Passed
370
Passed By
6057
Net Change
-5687
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17457
5K → 10K411244-1203#17457#18660
10K → 15K38673-635#18660#19295
15K → 20K191421-1402#19295#20697
20K → Half1470-56#20697#20753
Half → 25K9713-704#20753#21457
25K → 30K23717-694#21457#22151
30K → 20M8376-368#22151#22519
20M → 21M2393-391#22519#22910
21M → 35K2817+11#22910#22899
35K → 23M3864-26#22899#22925
23M → 24M4150-9#22925#22934
24M → 40K7305-298#22934#23232
40K → 25.2M387+31#23232#23201
25.2M → Finish647+57#23201#23144
TOTALS3706057-5687
📊

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