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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Léandra Sprenkels

Bib: 23731 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F50-54)
#0 / 1233
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
27:22
3.11 mi
Rank: #21736
Start → 5K
27:22 | 8:49/mi
10K
54:15
6.21 mi
Rank: #21496 (+240)
5K → 10K
26:53 | 8:40/mi
15K
1:20:57
9.32 mi
Rank: #21201 (+295)
10K → 15K
26:42 | 8:36/mi
20K
1:47:50
12.43 mi
Rank: #20924 (+277)
15K → 20K
26:53 | 8:40/mi
HALF
1:53:27
13.11 mi
Rank: #20816 (+108)
20K → HALF
5:37 | 8:15/mi
25K
2:14:24
15.53 mi
Rank: #20578 (+238)
HALF → 25K
20:57 | 8:39/mi
30K
2:41:45
18.64 mi
Rank: #20192 (+386)
25K → 30K
27:21 | 8:49/mi
20M
2:53:57
20.00 mi
Rank: #20094 (+98)
30K → 20M
12:12 | 8:59/mi
21M
3:03:35
21.00 mi
Rank: #20037 (+57)
20M → 21M
9:38 | 9:38/mi
35K
3:09:46
21.75 mi
Rank: #19906 (+131)
21M → 35K
6:11 | 8:16/mi
23M
3:20:52
23.00 mi
Rank: #19785 (+121)
35K → 23M
11:06 | 8:53/mi
24M
3:29:33
24.00 mi
Rank: #19708 (+77)
23M → 24M
8:41 | 8:41/mi
40K
3:37:36
24.85 mi
Rank: #19731 (-23)
24M → 40K
8:03 | 9:25/mi
25.2M
3:40:59
25.20 mi
Rank: #19729 (+2)
40K → 25.2M
3:23 | 9:49/mi
FINISH
3:49:38
26.22 mi
Rank: #19669 (+60)
25.2M → FINISH
8:39 | 8:30/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:27
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time1:56:11
Pace8:52 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:4627:228:4927:22
8:49
-
10K
6.21 mi11:57:3954:158:4426:53
8:40
-0:09
15K
9.32 mi12:24:211:20:578:4226:42
8:36
-0:04
20K
12.43 mi12:51:141:47:508:4126:53
8:40
+0:04
HALF
13.11 mi12:56:511:53:278:405:37
8:15
-0:25
25K
15.53 mi13:17:482:14:248:4020:57
8:39
+0:24
30K
18.64 mi13:45:092:41:458:4127:21
8:49
+0:10
20M
20.00 mi13:57:212:53:578:4212:12
8:59
+0:10
21M
21.00 mi14:06:593:03:358:459:38
9:38
+0:39
35K
21.75 mi14:13:103:09:468:446:11
8:16
-1:22
23M
23.00 mi14:24:163:20:528:4511:06
8:53
+0:37
24M
24.00 mi14:32:573:29:338:448:41
8:41
-0:12
40K
24.85 mi14:41:003:37:368:468:03
9:25
+0:44
25.2M
25.20 mi14:44:233:40:598:473:23
9:49
+0:24
FINISH
26.22 mi14:53:023:49:388:468:39
8:30
-1:19

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

8:15 /mi

Average Pace

8:46 /mi

Slowest Pace

9:49 /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

3:28:34

91% of race

Time at Steady Pace

17:41

8% of race

Time at Slower Pace

3:23

1% 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:30:4627:228:4927:22
8:49
#21736
10K
6.21 mi11:57:3954:158:4426:53
8:40
#21496
15K
9.32 mi12:24:211:20:578:4226:42
8:36
#21201
20K
12.43 mi12:51:141:47:508:4126:53
8:40
#20924
HALF
13.11 mi12:56:511:53:278:405:37
8:15
#20816
25K
15.53 mi13:17:482:14:248:4020:57
8:39
#20578
30K
18.64 mi13:45:092:41:458:4127:21
8:49
#20192
20M
20.00 mi13:57:212:53:578:4212:12
8:59
#20094
21M
21.00 mi14:06:593:03:358:459:38
9:38
#20037
35K
21.75 mi14:13:103:09:468:446:11
8:16
#19906
23M
23.00 mi14:24:163:20:528:4511:06
8:53
#19785
24M
24.00 mi14:32:573:29:338:448:41
8:41
#19708
40K
24.85 mi14:41:003:37:368:468:03
9:25
#19731
25.2M
25.20 mi14:44:233:40:598:473:23
9:49
#19729
FINISH
26.22 mi14:53:023:49:388:468:39
8:30
#19669
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi217368550855020653(Top 71%)7932(Top 63%)7932(Top 643%)
10K6.21 mi3.10 mi21496+2408406+1448406+14421189(Top 73%)8230(Top 65%)8230(Top 667%)
15K9.32 mi3.11 mi21201+2958255+1518255+15120653(Top 71%)7932(Top 63%)7932(Top 643%)
20K12.43 mi3.11 mi20924+2778110+1458110+14520189(Top 70%)7734(Top 61%)7734(Top 627%)
HALF13.11 mi0.68 mi20816+1088056+548056+5418710(Top 64%)6900(Top 55%)6900(Top 560%)
25K15.53 mi2.42 mi20578+2387945+1117945+11119407(Top 67%)7353(Top 58%)7353(Top 596%)
30K18.64 mi3.11 mi20192+3867750+1957750+19518613(Top 64%)7011(Top 56%)7011(Top 569%)
20M20.00 mi1.36 mi20094+987716+347716+3418877(Top 65%)7226(Top 57%)7226(Top 586%)
21M21.00 mi1.00 mi20037+577701+157701+1519137(Top 66%)7392(Top 59%)7392(Top 600%)
35K21.75 mi0.75 mi19906+1317642+597642+5916288(Top 56%)5934(Top 47%)5934(Top 481%)
23M23.00 mi1.25 mi19785+1217605+377605+3717870(Top 62%)6898(Top 55%)6898(Top 559%)
24M24.00 mi1.00 mi19708+777579+267579+2617955(Top 62%)6978(Top 55%)6978(Top 566%)
40K24.85 mi0.85 mi19731-237602-237602-2320081(Top 69%)8106(Top 64%)8106(Top 657%)
25.2M25.20 mi0.35 mi19729+27609-77609-718723(Top 65%)7411(Top 59%)7411(Top 601%)
FINISH26.22 mi1.02 mi19669+607584+257584+2518134(Top 62%)7123(Top 57%)7123(Top 578%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21
+97ft-345ft

Overall

20653

Females

7932

F50-54

7932

5K→10K

3.1 - 6.2 mi

Top 73%
×5
+79ft-138ft

Overall

21189

Females

8230

F50-54

8230

10K→15K

6.2 - 9.3 mi

Top 71%
×3
+67ft-78ft

Overall

20653

Females

7932

F50-54

7932

15K→20K

9.3 - 12.4 mi

Top 70%
×5
+106ft-86ft

Overall

20189

Females

7734

F50-54

7734

20K→HALF

12.4 - 13.1 mi

Top 64%
×2
+19ft-37ft

Overall

18710

Females

6900

F50-54

6900

HALF→25K

13.1 - 15.5 mi

Top 67%
×4
+66ft-88ft

Overall

19407

Females

7353

F50-54

7353

25K→30K

15.5 - 18.6 mi

Top 64%
×9
+181ft-148ft

Overall

18613

Females

7011

F50-54

7011

30K→20M

18.6 - 20.0 mi

Top 65%
×5
+64ft-50ft

Overall

18877

Females

7226

F50-54

7226

20M→21M

20.0 - 21.0 mi

Top 66%
×8
+106ft-24ft

Overall

19137

Females

7392

F50-54

7392

21M→35K

21.0 - 21.8 mi

Top 56%
×7
+17ft-86ft

Overall

16288

Females

5934

F50-54

5934

35K→23M

21.8 - 23.0 mi

Top 62%
×5
+23ft-63ft

Overall

17870

Females

6898

F50-54

6898

23M→24M

23.0 - 24.0 mi

Top 62%
×6
+12ft-82ft

Overall

17955

Females

6978

F50-54

6978

24M→40K

24.0 - 24.9 mi

Top 69%
×1
+6ft-20ft

Overall

20081

Females

8106

F50-54

8106

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1
+13ft-16ft

Overall

18723

Females

7411

F50-54

7411

25.2M→FINISH

25.2 - 26.2 mi

Top 62%
×2
+22ft-21ft

Overall

18134

Females

7123

F50-54

7123

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2688*
Passed By
621
Net Change
+2067
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21736
5K → 10K430*190+240#21736#21496
10K → 15K359*64+295#21496#21201
15K → 20K320*43+277#21201#20924
20K → HALF1102+108#20924#20816
HALF → 25K262*24+238#20816#20578
25K → 30K410*24+386#20578#20192
30K → 20M13436+98#20192#20094
20M → 21M10649+57#20094#20037
21M → 35K1365+131#20037#19906
35K → 23M14322+121#19906#19785
23M → 24M10326+77#19785#19708
24M → 40K5477-23#19708#19731
40K → 25.2M2725+2#19731#19729
25.2M → FINISH9434+60#19729#19669
TOTALS2688*621+2067

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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