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Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Sonja Lielich-Nelson

Bib: 24310 •F •Age: N/A

BC

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 (F55-59)
#0 / 951
Top 34%
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
25:49
3.11 mi
Rank: #18939
Start → 5K
25:49 | 8:19/mi
10K
51:47
6.21 mi
Rank: #19238 (-299)
5K → 10K
25:58 | 8:22/mi
15K
1:18:02
9.32 mi
Rank: #19428 (-190)
10K → 15K
26:15 | 8:27/mi
20K
1:44:29
12.43 mi
Rank: #19411 (+17)
15K → 20K
26:27 | 8:31/mi
HALF
1:50:17
13.11 mi
Rank: #19443 (-32)
20K → HALF
5:48 | 8:31/mi
25K
2:11:24
15.53 mi
Rank: #19496 (-53)
HALF → 25K
21:07 | 8:43/mi
30K
2:39:49
18.64 mi
Rank: #19643 (-147)
25K → 30K
28:25 | 9:09/mi
20M
2:52:23
20.00 mi
Rank: #19690 (-47)
30K → 20M
12:34 | 9:16/mi
21M
3:02:09
21.00 mi
Rank: #19674 (+16)
20M → 21M
9:46 | 9:46/mi
35K
3:08:52
21.75 mi
Rank: #19684 (-10)
21M → 35K
6:43 | 8:59/mi
23M
3:20:20
23.00 mi
Rank: #19669 (+15)
35K → 23M
11:28 | 9:10/mi
24M
3:29:25
24.00 mi
Rank: #19680 (-11)
23M → 24M
9:05 | 9:05/mi
40K
3:37:24
24.85 mi
Rank: #19693 (-13)
24M → 40K
7:59 | 9:21/mi
25.2M
3:40:48
25.20 mi
Rank: #19680 (+13)
40K → 25.2M
3:24 | 9:52/mi
FINISH
3:49:43
26.22 mi
Rank: #19684 (-4)
25.2M → FINISH
8:55 | 8:45/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:50:17
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time1:59:26
Pace9:07 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:0525:498:1925:49
8:19
-
10K
6.21 mi11:56:0351:478:2125:58
8:22
+0:03
15K
9.32 mi12:22:181:18:028:2326:15
8:27
+0:05
20K
12.43 mi12:48:451:44:298:2526:27
8:31
+0:04
HALF
13.11 mi12:54:331:50:178:255:48
8:31
0:00
25K
15.53 mi13:15:402:11:248:2821:07
8:43
+0:12
30K
18.64 mi13:44:052:39:498:3528:25
9:09
+0:26
20M
20.00 mi13:56:392:52:238:3812:34
9:16
+0:07
21M
21.00 mi14:06:253:02:098:419:46
9:46
+0:30
35K
21.75 mi14:13:083:08:528:426:43
8:59
-0:47
23M
23.00 mi14:24:363:20:208:4311:28
9:10
+0:11
24M
24.00 mi14:33:413:29:258:449:05
9:05
-0:05
40K
24.85 mi14:41:403:37:248:457:59
9:21
+0:16
25.2M
25.20 mi14:45:043:40:488:463:24
9:52
+0:31
FINISH
26.22 mi14:53:593:49:438:478:55
8:45
-1:07

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

8:19 /mi

Average Pace

8:46 /mi

Slowest Pace

9:52 /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

2:36:07

68% of race

Time at Steady Pace

1:10:12

31% of race

Time at Slower Pace

3:24

1% of race

Average Pace: 8:46 /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 mi11:30:0525:498:1925:49
8:19
#18939
10K
6.21 mi11:56:0351:478:2125:58
8:22
#19238
15K
9.32 mi12:22:181:18:028:2326:15
8:27
#19428
20K
12.43 mi12:48:451:44:298:2526:27
8:31
#19411
HALF
13.11 mi12:54:331:50:178:255:48
8:31
#19443
25K
15.53 mi13:15:402:11:248:2821:07
8:43
#19496
30K
18.64 mi13:44:052:39:498:3528:25
9:09
#19643
20M
20.00 mi13:56:392:52:238:3812:34
9:16
#19690
21M
21.00 mi14:06:253:02:098:419:46
9:46
#19674
35K
21.75 mi14:13:083:08:528:426:43
8:59
#19684
23M
23.00 mi14:24:363:20:208:4311:28
9:10
#19669
24M
24.00 mi14:33:413:29:258:449:05
9:05
#19680
40K
24.85 mi14:41:403:37:248:457:59
9:21
#19693
25.2M
25.20 mi14:45:043:40:488:463:24
9:52
#19680
FINISH
26.22 mi14:53:593:49:438:478:55
8:45
#19684
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi189397053705319845(Top 68%)7503(Top 60%)7503(Top 789%)
10K6.21 mi3.10 mi19238-2997199-1467199-14619550(Top 67%)7342(Top 58%)7342(Top 772%)
15K9.32 mi3.11 mi19428-1907295-967295-9619845(Top 68%)7503(Top 60%)7503(Top 789%)
20K12.43 mi3.11 mi19411+177293+27293+219391(Top 67%)7298(Top 58%)7298(Top 767%)
HALF13.11 mi0.68 mi19443-327309-167309-1620334(Top 70%)7765(Top 62%)7765(Top 817%)
25K15.53 mi2.42 mi19496-537347-387347-3819775(Top 68%)7541(Top 60%)7541(Top 793%)
30K18.64 mi3.11 mi19643-1477462-1157462-11520279(Top 70%)7877(Top 63%)7877(Top 828%)
20M20.00 mi1.36 mi19690-477506-447506-4420085(Top 69%)7851(Top 62%)7851(Top 826%)
21M21.00 mi1.00 mi19674+167519-137519-1319645(Top 68%)7664(Top 61%)7664(Top 806%)
35K21.75 mi0.75 mi19684-107530-117530-1119967(Top 69%)7924(Top 63%)7924(Top 833%)
23M23.00 mi1.25 mi19669+157553-237553-2319278(Top 66%)7612(Top 61%)7612(Top 800%)
24M24.00 mi1.00 mi19680-117566-137566-1319820(Top 68%)7969(Top 63%)7969(Top 838%)
40K24.85 mi0.85 mi19693-137581-157581-1519819(Top 68%)7986(Top 63%)7986(Top 840%)
25.2M25.20 mi0.35 mi19680+137581758118913(Top 65%)7514(Top 60%)7514(Top 790%)
FINISH26.22 mi1.02 mi19684-47593-127593-1219432(Top 67%)7778(Top 62%)7778(Top 818%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21
+97ft-345ft

Overall

19845

Females

7503

F55-59

7503

5K→10K

3.1 - 6.2 mi

Top 67%
×5
+79ft-138ft

Overall

19550

Females

7342

F55-59

7342

10K→15K

6.2 - 9.3 mi

Top 68%
×3
+67ft-78ft

Overall

19845

Females

7503

F55-59

7503

15K→20K

9.3 - 12.4 mi

Top 67%
×5
+106ft-86ft

Overall

19391

Females

7298

F55-59

7298

20K→HALF

12.4 - 13.1 mi

Top 70%
×2
+19ft-37ft

Overall

20334

Females

7765

F55-59

7765

HALF→25K

13.1 - 15.5 mi

Top 68%
×4
+66ft-88ft

Overall

19775

Females

7541

F55-59

7541

25K→30K

15.5 - 18.6 mi

Top 70%
×9
+181ft-148ft

Overall

20279

Females

7877

F55-59

7877

30K→20M

18.6 - 20.0 mi

Top 69%
×5
+64ft-50ft

Overall

20085

Females

7851

F55-59

7851

20M→21M

20.0 - 21.0 mi

Top 68%
×8
+106ft-24ft

Overall

19645

Females

7664

F55-59

7664

21M→35K

21.0 - 21.8 mi

Top 69%
×7
+17ft-86ft

Overall

19967

Females

7924

F55-59

7924

35K→23M

21.8 - 23.0 mi

Top 66%
×5
+23ft-63ft

Overall

19278

Females

7612

F55-59

7612

23M→24M

23.0 - 24.0 mi

Top 68%
×6
+12ft-82ft

Overall

19820

Females

7969

F55-59

7969

24M→40K

24.0 - 24.9 mi

Top 68%
×1
+6ft-20ft

Overall

19819

Females

7986

F55-59

7986

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1
+13ft-16ft

Overall

18913

Females

7514

F55-59

7514

25.2M→FINISH

25.2 - 26.2 mi

Top 67%
×2
+22ft-21ft

Overall

19432

Females

7778

F55-59

7778

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1180
Passed By
1509
Net Change
-745
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18939
5K → 10K135200-299#18939#19238
10K → 15K111200-190#19238#19428
15K → 20K155138+17#19428#19411
20K → HALF1749-32#19411#19443
HALF → 25K104157-53#19443#19496
25K → 30K134200-147#19496#19643
30K → 20M80127-47#19643#19690
20M → 21M9680+16#19690#19674
21M → 35K4353-10#19674#19684
35K → 23M9075+15#19684#19669
23M → 24M6677-11#19669#19680
24M → 40K5568-13#19680#19693
40K → 25.2M3219+13#19693#19680
25.2M → FINISH6266-4#19680#19684
TOTALS11801509-745
📊

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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