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BOSTON MARATHON 2026

Sarah Leskosky

Bib: 23200•F

PA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 43%
Age Group (F45-49)
#0 / 1786
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
25:02
3.11 mi
Rank: #17363
Start → 5K
25:02 | 8:04/mi
10K
50:24
6.21 mi
Rank: #17844 (-481)
5K → 10K
25:22 | 8:10/mi
15K
1:15:49
9.32 mi
Rank: #17975 (-131)
10K → 15K
25:25 | 8:11/mi
20K
1:41:25
12.43 mi
Rank: #17919 (+56)
15K → 20K
25:36 | 8:15/mi
HALF
1:47:02
13.11 mi
Rank: #17952 (-33)
20K → HALF
5:37 | 8:15/mi
25K
2:07:24
15.53 mi
Rank: #17955 (-3)
HALF → 25K
20:22 | 8:24/mi
30K
2:35:02
18.64 mi
Rank: #18135 (-180)
25K → 30K
27:38 | 8:54/mi
20M
2:47:07
20.00 mi
Rank: #18129 (+6)
30K → 20M
12:05 | 8:54/mi
21M
2:56:40
21.00 mi
Rank: #18144 (-15)
20M → 21M
9:33 | 9:33/mi
35K
3:03:07
21.75 mi
Rank: #18156 (-12)
21M → 35K
6:27 | 8:38/mi
23M
3:14:35
23.00 mi
Rank: #18216 (-60)
35K → 23M
11:28 | 9:10/mi
24M
3:23:32
24.00 mi
Rank: #18270 (-54)
23M → 24M
8:57 | 8:57/mi
40K
3:31:15
24.85 mi
Rank: #18264 (+6)
24M → 40K
7:43 | 9:02/mi
25.2M
3:34:22
25.20 mi
Rank: #18205 (+59)
40K → 25.2M
3:07 | 9:03/mi
FINISH
3:42:32
26.22 mi
Rank: #18086 (+119)
25.2M → FINISH
8:10 | 8:01/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:47:02
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:55:30
Pace8:49 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:3625:028:0425:02
8:04
-
10K
6.21 mi11:52:5850:248:0725:22
8:10
+0:06
15K
9.32 mi12:18:231:15:498:0925:25
8:11
+0:01
20K
12.43 mi12:43:591:41:258:1025:36
8:15
+0:04
HALF
13.11 mi12:49:361:47:028:105:37
8:15
0:00
25K
15.53 mi13:09:582:07:248:1320:22
8:24
+0:09
30K
18.64 mi13:37:362:35:028:2027:38
8:54
+0:30
20M
20.00 mi13:49:412:47:078:2212:05
8:54
0:00
21M
21.00 mi13:59:142:56:408:259:33
9:33
+0:39
35K
21.75 mi14:05:413:03:078:266:27
8:38
-0:55
23M
23.00 mi14:17:093:14:358:2811:28
9:10
+0:32
24M
24.00 mi14:26:063:23:328:298:57
8:57
-0:13
40K
24.85 mi14:33:493:31:158:307:43
9:02
+0:05
25.2M
25.20 mi14:36:563:34:228:313:07
9:03
+0:01
FINISH
26.22 mi14:45:063:42:328:308:10
8:01
-1:02

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:01 /mi

Average Pace

8:30 /mi

Slowest Pace

9:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:22:01

64% of race

Time at Steady Pace

1:10:58

32% of race

Time at Slower Pace

9:33

4% of race

Average Pace: 8:29 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:27:3625:028:0425:02
8:04
#17363
10K
6.21 mi11:52:5850:248:0725:22
8:10
#17844
15K
9.32 mi12:18:231:15:498:0925:25
8:11
#17975
20K
12.43 mi12:43:591:41:258:1025:36
8:15
#17919
HALF
13.11 mi12:49:361:47:028:105:37
8:15
#17952
25K
15.53 mi13:09:582:07:248:1320:22
8:24
#17955
30K
18.64 mi13:37:362:35:028:2027:38
8:54
#18135
20M
20.00 mi13:49:412:47:078:2212:05
8:54
#18129
21M
21.00 mi13:59:142:56:408:259:33
9:33
#18144
35K
21.75 mi14:05:413:03:078:266:27
8:38
#18156
23M
23.00 mi14:17:093:14:358:2811:28
9:10
#18216
24M
24.00 mi14:26:063:23:328:298:57
8:57
#18270
40K
24.85 mi14:33:493:31:158:307:43
9:02
#18264
25.2M
25.20 mi14:36:563:34:228:313:07
9:03
#18205
FINISH
26.22 mi14:45:063:42:328:308:10
8:01
#18086
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi173636130613018243(Top 63%)6605(Top 53%)6605(Top 370%)
10K6.21 mi3.10 mi17844-4816402-2726402-27218386(Top 63%)6684(Top 53%)6684(Top 374%)
15K9.32 mi3.11 mi17975-1316477-756477-7518243(Top 63%)6605(Top 53%)6605(Top 370%)
20K12.43 mi3.11 mi17919+566453+246453+2417761(Top 61%)6373(Top 51%)6373(Top 357%)
HALF13.11 mi0.68 mi17952-336462-96462-918668(Top 64%)6858(Top 55%)6858(Top 384%)
25K15.53 mi2.42 mi17955-36473-116473-1117990(Top 62%)6555(Top 52%)6555(Top 367%)
30K18.64 mi3.11 mi18135-1806612-1396612-13919053(Top 66%)7237(Top 58%)7237(Top 405%)
20M20.00 mi1.36 mi18129+66641-296641-2918454(Top 64%)7004(Top 56%)7004(Top 392%)
21M21.00 mi1.00 mi18144-156664-236664-2318733(Top 65%)7180(Top 57%)7180(Top 402%)
35K21.75 mi0.75 mi18156-126680-166680-1618244(Top 63%)7026(Top 56%)7026(Top 393%)
23M23.00 mi1.25 mi18216-606738-586738-5819264(Top 66%)7598(Top 60%)7598(Top 425%)
24M24.00 mi1.00 mi18270-546780-426780-4219252(Top 66%)7641(Top 61%)7641(Top 428%)
40K24.85 mi0.85 mi18264+66789-96789-918534(Top 64%)7329(Top 58%)7329(Top 410%)
25.2M25.20 mi0.35 mi18205+596765+246765+2415049(Top 52%)5499(Top 44%)5499(Top 308%)
FINISH26.22 mi1.02 mi18086+1196714+516714+5115301(Top 53%)5598(Top 45%)5598(Top 313%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21
+97ft-345ft

Overall

18243

Females

6605

F45-49

6605

5K→10K

3.1 - 6.2 mi

Top 63%
×5
+79ft-138ft

Overall

18386

Females

6684

F45-49

6684

10K→15K

6.2 - 9.3 mi

Top 63%
×3
+67ft-78ft

Overall

18243

Females

6605

F45-49

6605

15K→20K

9.3 - 12.4 mi

Top 61%
×5
+106ft-86ft

Overall

17761

Females

6373

F45-49

6373

20K→HALF

12.4 - 13.1 mi

Top 64%
×2
+19ft-37ft

Overall

18668

Females

6858

F45-49

6858

HALF→25K

13.1 - 15.5 mi

Top 62%
×4
+66ft-88ft

Overall

17990

Females

6555

F45-49

6555

25K→30K

15.5 - 18.6 mi

Top 66%
×9
+181ft-148ft

Overall

19053

Females

7237

F45-49

7237

30K→20M

18.6 - 20.0 mi

Top 64%
×5
+64ft-50ft

Overall

18454

Females

7004

F45-49

7004

20M→21M

20.0 - 21.0 mi

Top 65%
×8
+106ft-24ft

Overall

18733

Females

7180

F45-49

7180

21M→35K

21.0 - 21.8 mi

Top 63%
×7
+17ft-86ft

Overall

18244

Females

7026

F45-49

7026

35K→23M

21.8 - 23.0 mi

Top 66%
×5
+23ft-63ft

Overall

19264

Females

7598

F45-49

7598

23M→24M

23.0 - 24.0 mi

Top 66%
×6
+12ft-82ft

Overall

19252

Females

7641

F45-49

7641

24M→40K

24.0 - 24.9 mi

Top 64%
×1
+6ft-20ft

Overall

18534

Females

7329

F45-49

7329

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1
+13ft-16ft

Overall

15049

Females

5499

F45-49

5499

25.2M→FINISH

25.2 - 26.2 mi

Top 53%
×2
+22ft-21ft

Overall

15301

Females

5598

F45-49

5598

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1328
Passed By
2051
Net Change
-723
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17363
5K → 10K98579-481#17363#17844
10K → 15K133264-131#17844#17975
15K → 20K179123+56#17975#17919
20K → HALF2760-33#17919#17952
HALF → 25K128131-3#17952#17955
25K → 30K140320-180#17955#18135
30K → 20M10195+6#18135#18129
20M → 21M8499-15#18129#18144
21M → 35K4456-12#18144#18156
35K → 23M81141-60#18156#18216
23M → 24M4599-54#18216#18270
24M → 40K6357+6#18270#18264
40K → 25.2M667+59#18264#18205
25.2M → FINISH13920+119#18205#18086
TOTALS13282051-723
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing