Boston Marathon logo
BOSTON MARATHON 2024

Lauren Zielinski

Bib: 16219•F

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 45%
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:35
Rank: #13983
Start → 5K
24:35 | 7:55/mi
10K· 6.21 mi
49:07
Rank: #13698 (+285)
5K → 10K
24:32 | 7:54/mi
15K· 9.32 mi
1:13:36
Rank: #13282 (+416)
10K → 15K
24:29 | 7:53/mi
20K· 12.43 mi
1:38:38
Rank: #12916 (+366)
15K → 20K
25:02 | 8:03/mi
Half· 13.11 mi
1:44:08
Rank: #12911 (+5)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:04:39
Rank: #12900 (+11)
Half → 25K
20:31 | 8:28/mi
30K· 18.64 mi
2:33:05
Rank: #13041 (-141)
25K → 30K
28:26 | 9:09/mi
20M
2:45:55
Rank: #13105 (-64)
30K → 20M
12:50 | 9:27/mi
21M
2:55:52
Rank: #13052 (+53)
20M → 21M
9:57 | 9:57/mi
35K· 21.75 mi
3:03:09
Rank: #13203 (-151)
21M → 35K
7:17 | 9:44/mi
23M
3:15:39
Rank: #13392 (-189)
35K → 23M
12:30 | 9:59/mi
24M
3:26:27
Rank: #13753 (-361)
23M → 24M
10:48 | 10:48/mi
40K· 24.85 mi
3:35:59
Rank: #14058 (-305)
24M → 40K
9:32 | 11:09/mi
25.2M
3:39:47
Rank: #14056 (+2)
40K → 25.2M
3:48 | 11:01/mi
Finish· 26.22 mi
3:49:15
Rank: #14110 (-54)
25.2M → Finish
9:28 | 9:17/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
Time1:44:08
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time2:05:07
Pace9:33 /mi
📊Positive Split: 20.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5424:357:5524:35
7:55
-
10K
6.21 mi11:39:2649:077:5424:32
7:54
-0:01
15K
9.32 mi12:03:551:13:367:5424:29
7:53
-0:01
20K
12.43 mi12:28:571:38:387:5625:02
8:03
+0:10
Half
13.11 mi12:34:271:44:087:575:30
8:04
+0:01
25K
15.53 mi12:54:582:04:398:0120:31
8:28
+0:24
30K
18.64 mi13:23:242:33:058:1328:26
9:09
+0:41
20M
20.00 mi13:36:142:45:558:1812:50
9:27
+0:18
21M
21.00 mi13:46:112:55:528:229:57
9:57
+0:30
35K
21.75 mi13:53:283:03:098:257:17
9:44
-0:13
23M
23.00 mi14:05:583:15:398:3012:30
9:59
+0:15
24M
24.00 mi14:16:463:26:278:3610:48
10:48
+0:49
40K
24.85 mi14:26:183:35:598:419:32
11:09
+0:21
25.2M
25.20 mi14:30:063:39:478:433:48
11:01
-0:08
Finish
26.22 mi14:39:343:49:158:459:28
9:17
-1:44

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

7:53 /mi

Average Pace

8:45 /mi

Slowest Pace

11:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:39

54% of race

Time at Steady Pace

58:01

25% of race

Time at Slower Pace

46:35

20% of race

Average Pace: 8:45 /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 mi11:14:5424:357:5524:35
7:55
#13983
10K
6.21 mi11:39:2649:077:5424:32
7:54
#13698
15K
9.32 mi12:03:551:13:367:5424:29
7:53
#13282
20K
12.43 mi12:28:571:38:387:5625:02
8:03
#12916
Half
13.11 mi12:34:271:44:087:575:30
8:04
#12911
25K
15.53 mi12:54:582:04:398:0120:31
8:28
#12900
30K
18.64 mi13:23:242:33:058:1328:26
9:09
#13041
20M
20.00 mi13:36:142:45:558:1812:50
9:27
#13105
21M
21.00 mi13:46:112:55:528:229:57
9:57
#13052
35K
21.75 mi13:53:283:03:098:257:17
9:44
#13203
23M
23.00 mi14:05:583:15:398:3012:30
9:59
#13392
24M
24.00 mi14:16:463:26:278:3610:48
10:48
#13753
40K
24.85 mi14:26:183:35:598:419:32
11:09
#14058
25.2M
25.20 mi14:30:063:39:478:433:48
11:01
#14056
Finish
26.22 mi14:39:343:49:158:459:28
9:17
#14110
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi139834301430112549(Top 49%)3543(Top 32%)3543(Top 76%)
10K6.21 mi3.10 mi13698+2854148+1534148+15313424(Top 53%)4007(Top 37%)4007(Top 86%)
15K9.32 mi3.11 mi13282+4163917+2313917+23112549(Top 49%)3543(Top 32%)3543(Top 76%)
20K12.43 mi3.11 mi12916+3663723+1943723+19412239(Top 48%)3451(Top 32%)3451(Top 74%)
Half13.11 mi0.68 mi12911+53734-113734-1113225(Top 52%)4039(Top 37%)4039(Top 87%)
25K15.53 mi2.42 mi12900+113757-233757-2312866(Top 50%)3971(Top 36%)3971(Top 85%)
30K18.64 mi3.11 mi13041-1413938-1813938-18113979(Top 55%)4843(Top 44%)4843(Top 104%)
20M20.00 mi1.36 mi13105-644044-1064044-10614285(Top 56%)5286(Top 48%)5286(Top 113%)
21M21.00 mi1.00 mi13052+534067-234067-2312779(Top 50%)4672(Top 43%)4672(Top 100%)
35K21.75 mi0.75 mi13203-1514187-1204187-12016324(Top 64%)6514(Top 60%)6514(Top 140%)
23M23.00 mi1.25 mi13392-1894349-1624349-16215414(Top 60%)6123(Top 56%)6123(Top 131%)
24M24.00 mi1.00 mi13753-3614592-2434592-24318697(Top 73%)7807(Top 71%)7807(Top 168%)
40K24.85 mi0.85 mi14058-3054798-2064798-20618485(Top 72%)7741(Top 71%)7741(Top 166%)
25.2M25.20 mi0.35 mi14056+24817-194817-1914582(Top 57%)5827(Top 53%)5827(Top 125%)
Finish26.22 mi1.02 mi14110-544876-594876-5915559(Top 61%)6280(Top 57%)6280(Top 135%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

12549

Females

3543

F18-39

3543

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

13424

Females

4007

F18-39

4007

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

12549

Females

3543

F18-39

3543

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

12239

Females

3451

F18-39

3451

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

13225

Females

4039

F18-39

4039

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

12866

Females

3971

F18-39

3971

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

13979

Females

4843

F18-39

4843

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14285

Females

5286

F18-39

5286

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

12779

Females

4672

F18-39

4672

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

16324

Females

6514

F18-39

6514

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

15414

Females

6123

F18-39

6123

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

18697

Females

7807

F18-39

7807

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

18485

Females

7741

F18-39

7741

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

14582

Females

5827

F18-39

5827

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

15559

Females

6280

F18-39

6280

Passing Analysis

Category:
Athletes Passed
2515
Passed By
2642
Net Change
-127
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13983
5K → 10K457172+285#13983#13698
10K → 15K47256+416#13698#13282
15K → 20K45993+366#13282#12916
20K → Half4742+5#12916#12911
Half → 25K259248+11#12911#12900
25K → 30K230371-141#12900#13041
30K → 20M124188-64#13041#13105
20M → 21M157104+53#13105#13052
21M → 35K51202-151#13052#13203
35K → 23M76265-189#13203#13392
23M → 24M38399-361#13392#13753
24M → 40K36341-305#13753#14058
40K → 25.2M4240+2#14058#14056
25.2M → Finish67121-54#14056#14110
TOTALS25152642-127
📊

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