Boston Marathon logo
BOSTON MARATHON 2023

Nicoletta Lakatos

Bib: 18703•F

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 25%
Division (F18-39)
#0 / 4884
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:30
Rank: #15517
Start → 5K
25:30 | 8:12/mi
10K· 6.21 mi
49:46
Rank: #14452 (+1065)
5K → 10K
24:16 | 7:49/mi
15K· 9.32 mi
1:13:25
Rank: #13386 (+1066)
10K → 15K
23:39 | 7:37/mi
20K· 12.43 mi
1:37:08
Rank: #12536 (+850)
15K → 20K
23:43 | 7:38/mi
Half· 13.11 mi
1:42:18
Rank: #12444 (+92)
20K → Half
5:10 | 7:34/mi
25K· 15.53 mi
2:01:07
Rank: #12155 (+289)
Half → 25K
18:49 | 7:46/mi
30K· 18.64 mi
2:26:06
Rank: #11911 (+244)
25K → 30K
24:59 | 8:02/mi
20M
2:37:10
Rank: #11845 (+66)
30K → 20M
11:04 | 8:09/mi
21M
2:45:38
Rank: #11754 (+91)
20M → 21M
8:28 | 8:28/mi
35K· 21.75 mi
2:51:20
Rank: #11657 (+97)
21M → 35K
5:42 | 7:37/mi
23M
3:01:19
Rank: #11493 (+164)
35K → 23M
9:59 | 7:58/mi
24M
3:09:09
Rank: #11421 (+72)
23M → 24M
7:50 | 7:50/mi
40K· 24.85 mi
3:16:02
Rank: #11373 (+48)
24M → 40K
6:53 | 8:03/mi
25.2M
3:19:08
Rank: #11387 (-14)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:27:35
Rank: #11479 (-92)
25.2M → Finish
8:27 | 8:18/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
Time1:42:18
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:45:17
Pace8:02 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5625:308:1225:30
8:12
-
10K
6.21 mi11:44:1249:468:0124:16
7:49
-0:23
15K
9.32 mi12:07:511:13:257:5323:39
7:37
-0:12
20K
12.43 mi12:31:341:37:087:4923:43
7:38
+0:01
Half
13.11 mi12:36:441:42:187:485:10
7:34
-0:04
25K
15.53 mi12:55:332:01:077:4818:49
7:46
+0:12
30K
18.64 mi13:20:322:26:067:5024:59
8:02
+0:16
20M
20.00 mi13:31:362:37:107:5111:04
8:09
+0:07
21M
21.00 mi13:40:042:45:387:538:28
8:28
+0:19
35K
21.75 mi13:45:462:51:207:535:42
7:37
-0:51
23M
23.00 mi13:55:453:01:197:539:59
7:58
+0:21
24M
24.00 mi14:03:353:09:097:537:50
7:50
-0:08
40K
24.85 mi14:10:283:16:027:536:53
8:03
+0:13
25.2M
25.20 mi14:13:343:19:087:543:06
8:59
+0:56
Finish
26.22 mi14:22:013:27:357:558:27
8:18
-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

7:34 /mi

Average Pace

7:55 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:01

94% of race

Time at Steady Pace

8:28

4% of race

Time at Slower Pace

3:06

1% of race

Average Pace: 7:55 /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 mi11:19:5625:308:1225:30
8:12
#15517
10K
6.21 mi11:44:1249:468:0124:16
7:49
#14452
15K
9.32 mi12:07:511:13:257:5323:39
7:37
#13386
20K
12.43 mi12:31:341:37:087:4923:43
7:38
#12536
Half
13.11 mi12:36:441:42:187:485:10
7:34
#12444
25K
15.53 mi12:55:332:01:077:4818:49
7:46
#12155
30K
18.64 mi13:20:322:26:067:5024:59
8:02
#11911
20M
20.00 mi13:31:362:37:107:5111:04
8:09
#11845
21M
21.00 mi13:40:042:45:387:538:28
8:28
#11754
35K
21.75 mi13:45:462:51:207:535:42
7:37
#11657
23M
23.00 mi13:55:453:01:197:539:59
7:58
#11493
24M
24.00 mi14:03:353:09:097:537:50
7:50
#11421
40K
24.85 mi14:10:283:16:027:536:53
8:03
#11373
25.2M
25.20 mi14:13:343:19:087:543:06
8:59
#11387
Finish
26.22 mi14:22:013:27:357:558:27
8:18
#11479
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi155174976497611134(Top 42%)2425(Top 21%)2425(Top 50%)
10K6.21 mi3.10 mi14452+10654309+6674309+66713221(Top 50%)3561(Top 31%)3561(Top 73%)
15K9.32 mi3.11 mi13386+10663684+6253684+62511134(Top 42%)2425(Top 21%)2425(Top 50%)
20K12.43 mi3.11 mi12536+8503218+4663218+46610381(Top 39%)2090(Top 18%)2090(Top 43%)
Half13.11 mi0.68 mi12444+923172+463172+4610895(Top 41%)2324(Top 20%)2324(Top 48%)
25K15.53 mi2.42 mi12155+2893026+1463026+14610814(Top 41%)2399(Top 21%)2399(Top 49%)
30K18.64 mi3.11 mi11911+2442931+952931+9511241(Top 42%)2759(Top 24%)2759(Top 56%)
20M20.00 mi1.36 mi11845+662907+242907+2411321(Top 43%)2895(Top 25%)2895(Top 59%)
21M21.00 mi1.00 mi11754+912875+322875+3210318(Top 39%)2545(Top 22%)2545(Top 52%)
35K21.75 mi0.75 mi11657+972830+452830+459457(Top 36%)2134(Top 19%)2134(Top 44%)
23M23.00 mi1.25 mi11493+1642764+662764+669596(Top 36%)2306(Top 20%)2306(Top 47%)
24M24.00 mi1.00 mi11421+722747+172747+1710063(Top 38%)2632(Top 23%)2632(Top 54%)
40K24.85 mi0.85 mi11373+482744+32744+310399(Top 39%)2841(Top 25%)2841(Top 58%)
25.2M25.20 mi0.35 mi11387-142767-232767-2312492(Top 47%)3951(Top 35%)3951(Top 81%)
Finish26.22 mi1.02 mi11479-922840-732840-7314068(Top 53%)4772(Top 42%)4772(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11134

Females

2425

F18-39

2425

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

13221

Females

3561

F18-39

3561

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11134

Females

2425

F18-39

2425

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

10381

Females

2090

F18-39

2090

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

10895

Females

2324

F18-39

2324

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

10814

Females

2399

F18-39

2399

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11241

Females

2759

F18-39

2759

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

11321

Females

2895

F18-39

2895

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10318

Females

2545

F18-39

2545

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

9457

Females

2134

F18-39

2134

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9596

Females

2306

F18-39

2306

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10063

Females

2632

F18-39

2632

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10399

Females

2841

F18-39

2841

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12492

Females

3951

F18-39

3951

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14068

Females

4772

F18-39

4772

Passing Analysis

Category:
Athletes Passed
4582
Passed By
544
Net Change
+4038
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15517
5K → 10K111146+1065#15517#14452
10K → 15K10726+1066#14452#13386
15K → 20K8533+850#13386#12536
20K → Half964+92#12536#12444
Half → 25K30819+289#12444#12155
25K → 30K32581+244#12155#11911
30K → 20M12458+66#11911#11845
20M → 21M13847+91#11845#11754
21M → 35K1058+97#11754#11657
35K → 23M18925+164#11657#11493
23M → 24M10028+72#11493#11421
24M → 40K8840+48#11421#11373
40K → 25.2M2741-14#11373#11387
25.2M → Finish46138-92#11387#11479
TOTALS4582544+4038
📊

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