Boston Marathon logo
BOSTON MARATHON 2023

Bridget Lesko

Bib: 15227•F

IL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 41%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:26/mi
26:11
↑ 97↓ 3451.5%
10K· 6.21 mi
8:30/mi
52:37
↑ 79↓ 1380.4%
15K· 9.32 mi
8:27/mi
1:18:51
↑ 67↓ 78
20K· 12.43 mi
8:36/mi
1:45:34
↑ 106↓ 860.1%
Half· 13.11 mi
8:32/mi
1:51:23
↑ 19↓ 370.5%
25K· 15.53 mi
8:36/mi
2:12:14
↑ 66↓ 880.2%
30K· 18.64 mi
8:56/mi
2:39:59
↑ 181↓ 1480.2%
20M
8:56/mi
2:52:07
↑ 64↓ 500.2%
21M
9:34/mi
3:01:41
↑ 106↓ 241.6%
35K· 21.75 mi
8:37/mi
3:08:08
↑ 17↓ 861.7%
23M
8:42/mi
3:19:01
↑ 23↓ 630.6%
24M
8:42/mi
3:27:43
↓ 821.3%
40K· 24.85 mi
8:49/mi
3:35:15
↓ 200.3%
25.2M
9:23/mi
3:38:29
↑ 13↓ 160.2%
Finish· 26.22 mi
8:23/mi
3:47:02
↑ 22↓ 21

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
Time1:51:23
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time1:55:39
Pace8:49 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:5126:118:2626:11
8:26
-
10K
6.21 mi11:23:1752:378:2826:26
8:30
+0:04
15K
9.32 mi11:49:311:18:518:2826:14
8:27
-0:03
20K
12.43 mi12:16:141:45:348:3026:43
8:36
+0:09
Half
13.11 mi12:22:031:51:238:305:49
8:32
-0:04
25K
15.53 mi12:42:542:12:148:3120:51
8:36
+0:04
30K
18.64 mi13:10:392:39:598:3527:45
8:56
+0:20
20M
20.00 mi13:22:472:52:078:3612:08
8:56
0:00
21M
21.00 mi13:32:213:01:418:399:34
9:34
+0:38
35K
21.75 mi13:38:483:08:088:396:27
8:37
-0:57
23M
23.00 mi13:49:413:19:018:3910:53
8:42
+0:05
24M
24.00 mi13:58:233:27:438:398:42
8:42
0:00
40K
24.85 mi14:05:553:35:158:407:32
8:49
+0:07
25.2M
25.20 mi14:09:093:38:298:403:14
9:23
+0:34
Finish
26.22 mi14:17:423:47:028:408:33
8:23
-1:00

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

8:23 /mi

Average Pace

8:40 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:34:14

94% of race

Time at Steady Pace

12:48

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:40 /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 mi10:56:5126:118:2626:11
8:26
#17081
10K
6.21 mi11:23:1752:378:2826:26
8:30
#17702
15K
9.32 mi11:49:311:18:518:2826:14
8:27
#17594
20K
12.43 mi12:16:141:45:348:3026:43
8:36
#17522
Half
13.11 mi12:22:031:51:238:305:49
8:32
#17542
25K
15.53 mi12:42:542:12:148:3120:51
8:36
#17403
30K
18.64 mi13:10:392:39:598:3527:45
8:56
#17258
20M
20.00 mi13:22:472:52:078:3612:08
8:56
#17176
21M
21.00 mi13:32:213:01:418:399:34
9:34
#17104
35K
21.75 mi13:38:483:08:088:396:27
8:37
#17059
23M
23.00 mi13:49:413:19:018:3910:53
8:42
#16900
24M
24.00 mi13:58:233:27:438:398:42
8:42
#16849
40K
24.85 mi14:05:553:35:158:407:32
8:49
#16772
25.2M
25.20 mi14:09:093:38:298:403:14
9:23
#16724
Finish
26.22 mi14:17:423:47:028:408:33
8:23
#16631
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi170815984598417431(Top 65%)6174(Top 54%)6174(Top 329%)
10K6.21 mi3.10 mi17702-6216350-3666350-36618311(Top 69%)6663(Top 58%)6663(Top 355%)
15K9.32 mi3.11 mi17594+1086272+786272+7817431(Top 65%)6174(Top 54%)6174(Top 329%)
20K12.43 mi3.11 mi17522+726230+426230+4217492(Top 66%)6218(Top 54%)6218(Top 331%)
Half13.11 mi0.68 mi17542-206245-156245-1517856(Top 67%)6385(Top 56%)6385(Top 340%)
25K15.53 mi2.42 mi17403+1396179+666179+6616811(Top 63%)5901(Top 52%)5901(Top 314%)
30K18.64 mi3.11 mi17258+1456113+666113+6616835(Top 63%)5970(Top 52%)5970(Top 318%)
20M20.00 mi1.36 mi17176+826085+286085+2816178(Top 61%)5675(Top 50%)5675(Top 302%)
21M21.00 mi1.00 mi17104+726050+356050+3516294(Top 61%)5796(Top 51%)5796(Top 309%)
35K21.75 mi0.75 mi17059+456035+156035+1516011(Top 60%)5701(Top 50%)5701(Top 304%)
23M23.00 mi1.25 mi16900+1595965+705965+7014365(Top 54%)4838(Top 42%)4838(Top 258%)
24M24.00 mi1.00 mi16849+515955+105955+1015686(Top 59%)5635(Top 49%)5635(Top 300%)
40K24.85 mi0.85 mi16772+775923+325923+3215163(Top 57%)5393(Top 47%)5393(Top 287%)
25.2M25.20 mi0.35 mi16724+485905+185905+1814649(Top 55%)5115(Top 45%)5115(Top 272%)
Finish26.22 mi1.02 mi16631+935856+495856+4914712(Top 55%)5109(Top 45%)5109(Top 272%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

17431

Females

6174

F40-44

6174

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18311

Females

6663

F40-44

6663

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

17431

Females

6174

F40-44

6174

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17492

Females

6218

F40-44

6218

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

17856

Females

6385

F40-44

6385

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16811

Females

5901

F40-44

5901

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

16835

Females

5970

F40-44

5970

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

16178

Females

5675

F40-44

5675

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

16294

Females

5796

F40-44

5796

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

16011

Females

5701

F40-44

5701

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

14365

Females

4838

F40-44

4838

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15686

Females

5635

F40-44

5635

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15163

Females

5393

F40-44

5393

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14649

Females

5115

F40-44

5115

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14712

Females

5109

F40-44

5109

Passing Analysis

Category:
Athletes Passed
1869
Passed By
1419
Net Change
+450
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17081
5K → 10K117738-621#17081#17702
10K → 15K246138+108#17702#17594
15K → 20K209137+72#17594#17522
20K → Half3252-20#17522#17542
Half → 25K19152+139#17542#17403
25K → 30K24095+145#17403#17258
30K → 20M11634+82#17258#17176
20M → 21M12250+72#17176#17104
21M → 35K7227+45#17104#17059
35K → 23M17314+159#17059#16900
23M → 24M8837+51#16900#16849
24M → 40K9720+77#16849#16772
40K → 25.2M535+48#16772#16724
25.2M → Finish11320+93#16724#16631
TOTALS18691419+450
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing