Boston Marathon logo
BOSTON MARATHON 2023

Zoe Lirakis

Bib: 24768•F

VT

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
33:59
Rank: #25591
Start → 5K
10:56/mi
33:59 split
10K· 6.21 mi
1:08:13
Rank: #25559 (+32)
5K → 10K
11:01/mi
34:14 split
15K· 9.32 mi
1:43:05
Rank: #25529 (+30)
10K → 15K
11:13/mi
34:52 split
20K· 12.43 mi
2:18:04
Rank: #25378 (+151)
15K → 20K
11:16/mi
34:59 split
Half· 13.11 mi
2:25:43
Rank: #25368 (+10)
20K → Half
11:13/mi
7:39 split
25K· 15.53 mi
2:55:48
Rank: #25404 (-36)
Half → 25K
12:24/mi
30:05 split
30K· 18.64 mi
3:32:16
Rank: #25212 (+192)
25K → 30K
11:44/mi
36:28 split
20M
3:49:31
Rank: #25202 (+10)
30K → 20M
12:42/mi
17:15 split
21M
4:01:41
Rank: #25108 (+94)
20M → 21M
12:10/mi
12:10 split
35K· 21.75 mi
4:09:53
Rank: #25056 (+52)
21M → 35K
10:58/mi
8:12 split
23M
4:24:19
Rank: #24978 (+78)
35K → 23M
11:32/mi
14:26 split
24M
4:36:01
Rank: #24965 (+13)
23M → 24M
11:42/mi
11:42 split
40K· 24.85 mi
4:46:14
Rank: #24930 (+35)
24M → 40K
11:57/mi
10:13 split
25.2M
4:50:51
Rank: #24931 (-1)
40K → 25.2M
13:23/mi
4:37 split
Finish· 26.22 mi
5:02:32
Rank: #24933 (-2)
25.2M → Finish
11:28/mi
11:41 split

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
Time2:25:43
Pace11:07 /mi
2nd Half
Distance13.11 mi
Time2:36:49
Pace11:58 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:1133:5910:5633:59
10:56
-
10K
6.21 mi12:30:251:08:1310:5934:14
11:01
+0:05
15K
9.32 mi13:05:171:43:0511:0434:52
11:13
+0:12
20K
12.43 mi13:40:162:18:0411:0734:59
11:16
+0:03
Half
13.11 mi13:47:552:25:4311:077:39
11:13
-0:03
25K
15.53 mi14:18:002:55:4811:1930:05
12:24
+1:11
30K
18.64 mi14:54:283:32:1611:2336:28
11:44
-0:40
20M
20.00 mi15:11:433:49:3111:2917:15
12:42
+0:58
21M
21.00 mi15:23:534:01:4111:3112:10
12:10
-0:32
35K
21.75 mi15:32:054:09:5311:298:12
10:58
-1:12
23M
23.00 mi15:46:314:24:1911:3014:26
11:32
+0:34
24M
24.00 mi15:58:134:36:0111:3011:42
11:42
+0:10
40K
24.85 mi16:08:264:46:1411:3110:13
11:57
+0:15
25.2M
25.20 mi16:13:034:50:5111:334:37
13:23
+1:26
Finish
26.22 mi16:24:445:02:3211:3311:41
11:28
-1:55

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

10:56 /mi

Average Pace

11:33 /mi

Slowest Pace

13:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:25

25% of race

Time at Steady Pace

2:31:47

50% of race

Time at Slower Pace

1:14:20

25% of race

Average Pace: 11:32 /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 mi11:56:1133:5910:5633:59
10:56
#25591
10K
6.21 mi12:30:251:08:1310:5934:14
11:01
#25559
15K
9.32 mi13:05:171:43:0511:0434:52
11:13
#25529
20K
12.43 mi13:40:162:18:0411:0734:59
11:16
#25378
Half
13.11 mi13:47:552:25:4311:077:39
11:13
#25368
25K
15.53 mi14:18:002:55:4811:1930:05
12:24
#25404
30K
18.64 mi14:54:283:32:1611:2336:28
11:44
#25212
20M
20.00 mi15:11:433:49:3111:2917:15
12:42
#25202
21M
21.00 mi15:23:534:01:4111:3112:10
12:10
#25108
35K
21.75 mi15:32:054:09:5311:298:12
10:58
#25056
23M
23.00 mi15:46:314:24:1911:3014:26
11:32
#24978
24M
24.00 mi15:58:134:36:0111:3011:42
11:42
#24965
40K
24.85 mi16:08:264:46:1411:3110:13
11:57
#24930
25.2M
25.20 mi16:13:034:50:5111:334:37
13:23
#24931
Finish
26.22 mi16:24:445:02:3211:3311:41
11:28
#24933
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi25591107821078225448(Top 96%)10712(Top 94%)10712(Top 570%)
10K6.21 mi3.10 mi25559+3210774+810774+825491(Top 96%)10726(Top 94%)10726(Top 571%)
15K9.32 mi3.11 mi25529+3010753+2110753+2125448(Top 96%)10712(Top 94%)10712(Top 570%)
20K12.43 mi3.11 mi25378+15110676+7710676+7724964(Top 94%)10459(Top 92%)10459(Top 557%)
Half13.11 mi0.68 mi25368+1010672+410672+425221(Top 95%)10627(Top 93%)10627(Top 566%)
25K15.53 mi2.42 mi25404-3610699-2710699-2725468(Top 96%)10768(Top 94%)10768(Top 573%)
30K18.64 mi3.11 mi25212+19210604+9510604+9524183(Top 91%)10115(Top 89%)10115(Top 539%)
20M20.00 mi1.36 mi25202+1010613-910613-924915(Top 94%)10558(Top 92%)10558(Top 562%)
21M21.00 mi1.00 mi25108+9410566+4710566+4723010(Top 86%)9563(Top 84%)9563(Top 509%)
35K21.75 mi0.75 mi25056+5210546+2010546+2023265(Top 87%)9742(Top 85%)9742(Top 519%)
23M23.00 mi1.25 mi24978+7810506+4010506+4023311(Top 88%)9757(Top 85%)9757(Top 520%)
24M24.00 mi1.00 mi24965+1310509-310509-324137(Top 91%)10238(Top 90%)10238(Top 545%)
40K24.85 mi0.85 mi24930+3510496+1310496+1323836(Top 90%)10103(Top 88%)10103(Top 538%)
25.2M25.20 mi0.35 mi24931-110495+110495+124426(Top 92%)10393(Top 91%)10393(Top 553%)
Finish26.22 mi1.02 mi24933-210504-910504-924644(Top 93%)10479(Top 92%)10479(Top 558%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

25448

Females

10712

F40-44

10712

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

25491

Females

10726

F40-44

10726

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

25448

Females

10712

F40-44

10712

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

24964

Females

10459

F40-44

10459

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

25221

Females

10627

F40-44

10627

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

25468

Females

10768

F40-44

10768

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

24183

Females

10115

F40-44

10115

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

24915

Females

10558

F40-44

10558

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

23010

Females

9563

F40-44

9563

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

23265

Females

9742

F40-44

9742

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

23311

Females

9757

F40-44

9757

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

24137

Females

10238

F40-44

10238

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23836

Females

10103

F40-44

10103

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24426

Females

10393

F40-44

10393

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

24644

Females

10479

F40-44

10479

Passing Analysis

Category:
Athletes Passed
1094
Passed By
436
Net Change
+658
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25591
5K → 10K156124+32#25591#25559
10K → 15K10979+30#25559#25529
15K → 20K17928+151#25529#25378
20K → Half2111+10#25378#25368
Half → 25K4682-36#25368#25404
25K → 30K20210+192#25404#25212
30K → 20M4030+10#25212#25202
20M → 21M984+94#25202#25108
21M → 35K553+52#25108#25056
35K → 23M791+78#25056#24978
23M → 24M3219+13#24978#24965
24M → 40K4712+35#24965#24930
40K → 25.2M1112-1#24930#24931
25.2M → Finish1921-2#24931#24933
TOTALS1094436+658
📊

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