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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Sarah Balderson

Bib: 24528 •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 (F60-64)
#0 / 782
Top 33%
Race Day Weather
51°/41°F
overcast clouds
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  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
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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
26:33
3.11 mi
Rank: #20346
Start → 5K
26:33 | 8:33/mi
10K
52:40
6.21 mi
Rank: #20040 (+306)
5K → 10K
26:07 | 8:25/mi
15K
1:18:31
9.32 mi
Rank: #19712 (+328)
10K → 15K
25:51 | 8:20/mi
20K
1:45:03
12.43 mi
Rank: #19655 (+57)
15K → 20K
26:32 | 8:33/mi
HALF
1:50:54
13.11 mi
Rank: #19701 (-46)
20K → HALF
5:51 | 8:35/mi
25K
2:13:40
15.53 mi
Rank: #20295 (-594)
HALF → 25K
22:46 | 9:24/mi
30K
2:45:13
18.64 mi
Rank: #21131 (-836)
25K → 30K
31:33 | 10:10/mi
20M
2:59:30
20.00 mi
Rank: #21437 (-306)
30K → 20M
14:17 | 10:31/mi
21M
3:10:54
21.00 mi
Rank: #21673 (-236)
20M → 21M
11:24 | 11:24/mi
35K
3:17:48
21.75 mi
Rank: #21645 (+28)
21M → 35K
6:54 | 9:14/mi
23M
3:30:25
23.00 mi
Rank: #21719 (-74)
35K → 23M
12:37 | 10:05/mi
24M
3:39:43
24.00 mi
Rank: #21708 (+11)
23M → 24M
9:18 | 9:18/mi
40K
3:48:24
24.85 mi
Rank: #21766 (-58)
24M → 40K
8:41 | 10:10/mi
25.2M
3:52:23
25.20 mi
Rank: #21816 (-50)
40K → 25.2M
3:59 | 11:34/mi
FINISH
4:02:05
26.22 mi
Rank: #21835 (-19)
25.2M → FINISH
9:42 | 9:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:50:54
Pace8:28 /mi
2nd Half
Distance13.11 mi
Time2:11:11
Pace10:01 /mi
📊Positive Split: 18.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:3626:338:3326:33
8:33
-
10K
6.21 mi11:56:4352:408:2926:07
8:25
-0:08
15K
9.32 mi12:22:341:18:318:2625:51
8:20
-0:05
20K
12.43 mi12:49:061:45:038:2826:32
8:33
+0:13
HALF
13.11 mi12:54:571:50:548:285:51
8:35
+0:02
25K
15.53 mi13:17:432:13:408:3722:46
9:24
+0:49
30K
18.64 mi13:49:162:45:138:5231:33
10:10
+0:46
20M
20.00 mi14:03:332:59:308:5914:17
10:31
+0:21
21M
21.00 mi14:14:573:10:549:0611:24
11:24
+0:53
35K
21.75 mi14:21:513:17:489:066:54
9:14
-2:10
23M
23.00 mi14:34:283:30:259:0912:37
10:05
+0:51
24M
24.00 mi14:43:463:39:439:109:18
9:18
-0:47
40K
24.85 mi14:52:273:48:249:128:41
10:10
+0:52
25.2M
25.20 mi14:56:263:52:239:143:59
11:34
+1:24
FINISH
26.22 mi15:06:084:02:059:159:42
9:32
-2:02

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

8:20 /mi

Average Pace

9:14 /mi

Slowest Pace

11:34 /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

1:50:54

46% of race

Time at Steady Pace

48:40

20% of race

Time at Slower Pace

1:22:31

34% of race

Average Pace: 9:14 /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 mi11:30:3626:338:3326:33
8:33
#20346
10K
6.21 mi11:56:4352:408:2926:07
8:25
#20040
15K
9.32 mi12:22:341:18:318:2625:51
8:20
#19712
20K
12.43 mi12:49:061:45:038:2826:32
8:33
#19655
HALF
13.11 mi12:54:571:50:548:285:51
8:35
#19701
25K
15.53 mi13:17:432:13:408:3722:46
9:24
#20295
30K
18.64 mi13:49:162:45:138:5231:33
10:10
#21131
20M
20.00 mi14:03:332:59:308:5914:17
10:31
#21437
21M
21.00 mi14:14:573:10:549:0611:24
11:24
#21673
35K
21.75 mi14:21:513:17:489:066:54
9:14
#21645
23M
23.00 mi14:34:283:30:259:0912:37
10:05
#21719
24M
24.00 mi14:43:463:39:439:109:18
9:18
#21708
40K
24.85 mi14:52:273:48:249:128:41
10:10
#21766
25.2M
25.20 mi14:56:263:52:239:143:59
11:34
#21816
FINISH
26.22 mi15:06:084:02:059:159:42
9:32
#21835
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi203467826782619118(Top 66%)7106(Top 56%)7106(Top 909%)
10K6.21 mi3.10 mi20040+3067629+1977629+19719827(Top 68%)7500(Top 60%)7500(Top 959%)
15K9.32 mi3.11 mi19712+3287460+1697460+16919118(Top 66%)7106(Top 56%)7106(Top 909%)
20K12.43 mi3.11 mi19655+577432+287432+2819556(Top 67%)7395(Top 59%)7395(Top 946%)
HALF13.11 mi0.68 mi19701-467456-247456-2420783(Top 72%)8016(Top 64%)8016(Top 1025%)
25K15.53 mi2.42 mi20295-5947792-3367792-33622687(Top 78%)9028(Top 72%)9028(Top 1154%)
30K18.64 mi3.11 mi21131-8368241-4498241-44923519(Top 81%)9571(Top 76%)9571(Top 1224%)
20M20.00 mi1.36 mi21437-3068411-1708411-17023899(Top 82%)9851(Top 78%)9851(Top 1260%)
21M21.00 mi1.00 mi21673-2368552-1418552-14123969(Top 83%)9954(Top 79%)9954(Top 1273%)
35K21.75 mi0.75 mi21645+288542+108542+1020910(Top 72%)8403(Top 67%)8403(Top 1075%)
23M23.00 mi1.25 mi21719-748592-508592-5022373(Top 77%)9184(Top 73%)9184(Top 1174%)
24M24.00 mi1.00 mi21708+118598-68598-620653(Top 71%)8371(Top 67%)8371(Top 1070%)
40K24.85 mi0.85 mi21766-588642-448642-4422359(Top 77%)9280(Top 74%)9280(Top 1187%)
25.2M25.20 mi0.35 mi21816-508672-308672-3023611(Top 81%)9925(Top 79%)9925(Top 1269%)
FINISH26.22 mi1.02 mi21835-198690-188690-1822420(Top 77%)9292(Top 74%)9292(Top 1188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21
+97ft-345ft

Overall

19118

Females

7106

F60-64

7106

5K→10K

3.1 - 6.2 mi

Top 68%
×5
+79ft-138ft

Overall

19827

Females

7500

F60-64

7500

10K→15K

6.2 - 9.3 mi

Top 66%
×3
+67ft-78ft

Overall

19118

Females

7106

F60-64

7106

15K→20K

9.3 - 12.4 mi

Top 67%
×5
+106ft-86ft

Overall

19556

Females

7395

F60-64

7395

20K→HALF

12.4 - 13.1 mi

Top 72%
×2
+19ft-37ft

Overall

20783

Females

8016

F60-64

8016

HALF→25K

13.1 - 15.5 mi

Top 78%
×4
+66ft-88ft

Overall

22687

Females

9028

F60-64

9028

25K→30K

15.5 - 18.6 mi

Top 81%
×9
+181ft-148ft

Overall

23519

Females

9571

F60-64

9571

30K→20M

18.6 - 20.0 mi

Top 82%
×5
+64ft-50ft

Overall

23899

Females

9851

F60-64

9851

20M→21M

20.0 - 21.0 mi

Top 83%
×8
+106ft-24ft

Overall

23969

Females

9954

F60-64

9954

21M→35K

21.0 - 21.8 mi

Top 72%
×7
+17ft-86ft

Overall

20910

Females

8403

F60-64

8403

35K→23M

21.8 - 23.0 mi

Top 77%
×5
+23ft-63ft

Overall

22373

Females

9184

F60-64

9184

23M→24M

23.0 - 24.0 mi

Top 71%
×6
+12ft-82ft

Overall

20653

Females

8371

F60-64

8371

24M→40K

24.0 - 24.9 mi

Top 77%
×1
+6ft-20ft

Overall

22359

Females

9280

F60-64

9280

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1
+13ft-16ft

Overall

23611

Females

9925

F60-64

9925

25.2M→FINISH

25.2 - 26.2 mi

Top 77%
×2
+22ft-21ft

Overall

22420

Females

9292

F60-64

9292

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1404*
Passed By
1593
Net Change
-1489
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20346
5K → 10K453*147+306#20346#20040
10K → 15K378*50+328#20040#19712
15K → 20K181124+57#19712#19655
20K → HALF1359-46#19655#19701
HALF → 25K24200-594#19701#20295
25K → 30K34200-836#20295#21131
30K → 20M32200-306#21131#21437
20M → 21M38200-236#21437#21673
21M → 35K5729+28#21673#21645
35K → 23M51125-74#21645#21719
23M → 24M5948+11#21719#21708
24M → 40K3997-58#21708#21766
40K → 25.2M858-50#21766#21816
25.2M → FINISH3756-19#21816#21835
TOTALS1404*1593-1489

* 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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Activity Data

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