Boston Marathon logo
BOSTON MARATHON 2023

Elizabeth Leskowyak

OH

Bib: 21342 F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 43%
Masters (Masters Women)
#0 / 6539
Top 31%
Division (F45-49)
#0 / 1817
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:48/mi
27:19
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:31/mi
53:48
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:22/mi
1:19:48
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:21/mi
1:45:45
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:17/mi
1:51:24
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:18/mi
2:11:31
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:23/mi
2:37:35
↑ 181↓ 1480.2%
138 ft elev
20M
8:27/mi
2:49:05
↑ 64↓ 500.2%
148 ft elev
21M
8:27/mi
2:57:32
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:04/mi
3:03:34
↑ 17↓ 861.7%
156 ft elev
23M
8:18/mi
3:13:58
↑ 23↓ 630.6%
116 ft elev
24M
8:10/mi
3:22:08
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:17/mi
3:29:13
↓ 200.3%
20 ft elev
25.2M
8:45/mi
3:32:14
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:52/mi
3:40:15
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report on this race

A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.

Half Splits

1st Half· via Half
Distance13.11 mi
Time1:51:24
Pace8:30 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:48:51
Pace8:18 /mi
📊Negative Split: 2.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3527:198:4827:19
8:48
-
10K
6.21 mi11:47:0453:488:3926:29
8:31
-0:17
15K
9.32 mi12:13:041:19:488:3426:00
8:22
-0:09
20K
12.43 mi12:39:011:45:458:3125:57
8:21
-0:01
Half
13.11 mi12:44:401:51:248:305:39
8:17
-0:04
25K
15.53 mi13:04:472:11:318:2820:07
8:18
+0:01
30K
18.64 mi13:30:512:37:358:2726:04
8:23
+0:05
20M
20.00 mi13:42:212:49:058:2711:30
8:27
+0:04
21M
21.00 mi13:50:482:57:328:278:27
8:27
0:00
35K
21.75 mi13:56:503:03:348:266:02
8:04
-0:23
23M
23.00 mi14:07:143:13:588:2610:24
8:18
+0:14
24M
24.00 mi14:15:243:22:088:258:10
8:10
-0:08
40K
24.85 mi14:22:293:29:138:257:05
8:17
+0:07
25.2M
25.20 mi14:25:303:32:148:253:01
8:45
+0:28
Finish
26.22 mi14:33:313:40:158:248:01
7:52
-0:53

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

7:52 /mi

Average Pace

8:24 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:55

86% of race

Time at Steady Pace

30:20

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:24 /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 mi11:20:3527:198:4827:19
8:48
#19435
10K
6.21 mi11:47:0453:488:3926:29
8:31
#18874
15K
9.32 mi12:13:041:19:488:3426:00
8:22
#18247
20K
12.43 mi12:39:011:45:458:3125:57
8:21
#17632
Half
13.11 mi12:44:401:51:248:305:39
8:17
#17554
25K
15.53 mi13:04:472:11:318:2820:07
8:18
#17135
30K
18.64 mi13:30:512:37:358:2726:04
8:23
#16484
20M
20.00 mi13:42:212:49:058:2711:30
8:27
#16242
21M
21.00 mi13:50:482:57:328:278:27
8:27
#15895
35K
21.75 mi13:56:503:03:348:266:02
8:04
#15751
23M
23.00 mi14:07:143:13:588:2610:24
8:18
#15524
24M
24.00 mi14:15:243:22:088:258:10
8:10
#15380
40K
24.85 mi14:22:293:29:138:257:05
8:17
#15233
25.2M
25.20 mi14:25:303:32:148:253:01
8:45
#15142
Finish
26.22 mi14:33:313:40:158:248:01
7:52
#15010
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi194357469746916981(Top 64%)5902(Top 52%)5902(Top 325%)
10K6.21 mi3.10 mi18874+5617061+4087061+40818415(Top 69%)6727(Top 59%)6727(Top 370%)
15K9.32 mi3.11 mi18247+6276663+3986663+39816981(Top 64%)5902(Top 52%)5902(Top 325%)
20K12.43 mi3.11 mi17632+6156295+3686295+36815966(Top 60%)5331(Top 47%)5331(Top 293%)
Half13.11 mi0.68 mi17554+786255+406255+4016454(Top 62%)5586(Top 49%)5586(Top 307%)
25K15.53 mi2.42 mi17135+4196024+2316024+23114967(Top 56%)4818(Top 42%)4818(Top 265%)
30K18.64 mi3.11 mi16484+6515679+3455679+34513656(Top 51%)4131(Top 36%)4131(Top 227%)
20M20.00 mi1.36 mi16242+2425544+1355544+13513384(Top 50%)4070(Top 36%)4070(Top 224%)
21M21.00 mi1.00 mi15895+3475353+1915353+19110234(Top 38%)2506(Top 22%)2506(Top 138%)
35K21.75 mi0.75 mi15751+1445284+695284+6912657(Top 48%)3818(Top 33%)3818(Top 210%)
23M23.00 mi1.25 mi15524+2275181+1035181+10311986(Top 45%)3524(Top 31%)3524(Top 194%)
24M24.00 mi1.00 mi15380+1445095+865095+8612442(Top 47%)3838(Top 34%)3838(Top 211%)
40K24.85 mi0.85 mi15233+1475014+815014+8111999(Top 45%)3689(Top 32%)3689(Top 203%)
25.2M25.20 mi0.35 mi15142+914973+414973+4111162(Top 42%)3319(Top 29%)3319(Top 183%)
Finish26.22 mi1.02 mi15010+1324914+594914+5911222(Top 42%)3328(Top 29%)3328(Top 183%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

16981

Females

5902

F45-49

5902

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18415

Females

6727

F45-49

6727

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

16981

Females

5902

F45-49

5902

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

15966

Females

5331

F45-49

5331

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16454

Females

5586

F45-49

5586

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

14967

Females

4818

F45-49

4818

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

13656

Females

4131

F45-49

4131

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

13384

Females

4070

F45-49

4070

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10234

Females

2506

F45-49

2506

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12657

Females

3818

F45-49

3818

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

11986

Females

3524

F45-49

3524

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12442

Females

3838

F45-49

3838

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11999

Females

3689

F45-49

3689

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11162

Females

3319

F45-49

3319

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

11222

Females

3328

F45-49

3328

Passing Analysis

Category:
Athletes Passed
4669
Passed By
244
Net Change
+4425
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19435
5K → 10K710149+561#19435#18874
10K → 15K66033+627#18874#18247
15K → 20K62813+615#18247#17632
20K → Half846+78#17632#17554
Half → 25K4223+419#17554#17135
25K → 30K6521+651#17135#16484
30K → 20M2442+242#16484#16242
20M → 21M3470+347#16242#15895
21M → 35K1484+144#15895#15751
35K → 23M2347+227#15751#15524
23M → 24M1506+144#15524#15380
24M → 40K1569+147#15380#15233
40K → 25.2M943+91#15233#15142
25.2M → Finish1408+132#15142#15010
TOTALS4669244+4425
📊

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