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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Carolyn Olsen

Bib: 24259 •F •Age: N/A

IL

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 36%
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
26:38
3.11 mi
Rank: #20486
Start → 5K
26:38 | 8:35/mi
10K
52:19
6.21 mi
Rank: #19726 (+760)
5K → 10K
25:41 | 8:16/mi
15K
1:18:38
9.32 mi
Rank: #19777 (-51)
10K → 15K
26:19 | 8:29/mi
20K
1:45:09
12.43 mi
Rank: #19698 (+79)
15K → 20K
26:31 | 8:33/mi
HALF
1:50:55
13.11 mi
Rank: #19707 (-9)
20K → HALF
5:46 | 8:28/mi
25K
2:11:59
15.53 mi
Rank: #19699 (+8)
HALF → 25K
21:04 | 8:42/mi
30K
2:39:59
18.64 mi
Rank: #19690 (+9)
25K → 30K
28:00 | 9:01/mi
20M
2:53:14
20.00 mi
Rank: #19898 (-208)
30K → 20M
13:15 | 9:46/mi
21M
3:03:10
21.00 mi
Rank: #19936 (-38)
20M → 21M
9:56 | 9:56/mi
35K
3:09:47
21.75 mi
Rank: #19912 (+24)
21M → 35K
6:37 | 8:51/mi
23M
3:21:16
23.00 mi
Rank: #19886 (+26)
35K → 23M
11:29 | 9:11/mi
24M
3:30:09
24.00 mi
Rank: #19834 (+52)
23M → 24M
8:53 | 8:53/mi
40K
3:37:57
24.85 mi
Rank: #19800 (+34)
24M → 40K
7:48 | 9:08/mi
25.2M
3:41:25
25.20 mi
Rank: #19811 (-11)
40K → 25.2M
3:28 | 10:04/mi
FINISH
3:50:26
26.22 mi
Rank: #19814 (-3)
25.2M → FINISH
9:01 | 8:51/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
Time1:50:55
Pace8:28 /mi
2nd Half
Distance13.11 mi
Time1:59:31
Pace9:07 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:3326:388:3526:38
8:35
-
10K
6.21 mi11:57:1452:198:2625:41
8:16
-0:19
15K
9.32 mi12:23:331:18:388:2726:19
8:29
+0:13
20K
12.43 mi12:50:041:45:098:2826:31
8:33
+0:04
HALF
13.11 mi12:55:501:50:558:285:46
8:28
-0:05
25K
15.53 mi13:16:542:11:598:3021:04
8:42
+0:14
30K
18.64 mi13:44:542:39:598:3528:00
9:01
+0:19
20M
20.00 mi13:58:092:53:148:4013:15
9:46
+0:45
21M
21.00 mi14:08:053:03:108:449:56
9:56
+0:10
35K
21.75 mi14:14:423:09:478:446:37
8:51
-1:05
23M
23.00 mi14:26:113:21:168:4611:29
9:11
+0:20
24M
24.00 mi14:35:043:30:098:468:53
8:53
-0:18
40K
24.85 mi14:42:523:37:578:477:48
9:08
+0:15
25.2M
25.20 mi14:46:203:41:258:483:28
10:04
+0:56
FINISH
26.22 mi14:55:213:50:268:489:01
8:51
-1:13

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

8:16 /mi

Average Pace

8:48 /mi

Slowest Pace

10:04 /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

1:50:55

48% of race

Time at Steady Pace

1:13:35

32% of race

Time at Slower Pace

45:56

20% of race

Average Pace: 8:47 /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 mi11:31:3326:388:3526:38
8:35
#20486
10K
6.21 mi11:57:1452:198:2625:41
8:16
#19726
15K
9.32 mi12:23:331:18:388:2726:19
8:29
#19777
20K
12.43 mi12:50:041:45:098:2826:31
8:33
#19698
HALF
13.11 mi12:55:501:50:558:285:46
8:28
#19707
25K
15.53 mi13:16:542:11:598:3021:04
8:42
#19699
30K
18.64 mi13:44:542:39:598:3528:00
9:01
#19690
20M
20.00 mi13:58:092:53:148:4013:15
9:46
#19898
21M
21.00 mi14:08:053:03:108:449:56
9:56
#19936
35K
21.75 mi14:14:423:09:478:446:37
8:51
#19912
23M
23.00 mi14:26:113:21:168:4611:29
9:11
#19886
24M
24.00 mi14:35:043:30:098:468:53
8:53
#19834
40K
24.85 mi14:42:523:37:578:477:48
9:08
#19800
25.2M
25.20 mi14:46:203:41:258:483:28
10:04
#19811
FINISH
26.22 mi14:55:213:50:268:489:01
8:51
#19814
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 mi204867907790719980(Top 69%)7571(Top 60%)7571(Top 796%)
10K6.21 mi3.10 mi19726+7607469+4387469+43818981(Top 65%)7021(Top 56%)7021(Top 738%)
15K9.32 mi3.11 mi19777-517490-217490-2119980(Top 69%)7571(Top 60%)7571(Top 796%)
20K12.43 mi3.11 mi19698+797453+377453+3719517(Top 67%)7376(Top 59%)7376(Top 776%)
HALF13.11 mi0.68 mi19707-97460-77460-720060(Top 69%)7616(Top 61%)7616(Top 801%)
25K15.53 mi2.42 mi19699+87468-87468-819649(Top 68%)7470(Top 59%)7470(Top 785%)
30K18.64 mi3.11 mi19690+97489-217489-2119648(Top 68%)7565(Top 60%)7565(Top 795%)
20M20.00 mi1.36 mi19898-2087618-1297618-12921896(Top 75%)8792(Top 70%)8792(Top 925%)
21M21.00 mi1.00 mi19936-387650-327650-3220216(Top 70%)7965(Top 63%)7965(Top 838%)
35K21.75 mi0.75 mi19912+247644+67644+619384(Top 67%)7645(Top 61%)7645(Top 804%)
23M23.00 mi1.25 mi19886+267652-87652-819348(Top 67%)7654(Top 61%)7654(Top 805%)
24M24.00 mi1.00 mi19834+527653-17653-118963(Top 65%)7505(Top 60%)7505(Top 789%)
40K24.85 mi0.85 mi19800+347645+87645+818978(Top 65%)7562(Top 60%)7562(Top 795%)
25.2M25.20 mi0.35 mi19811-117656-117656-1119630(Top 68%)7885(Top 63%)7885(Top 829%)
FINISH26.22 mi1.02 mi19814-37664-87664-819872(Top 68%)8018(Top 64%)8018(Top 843%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21
+97ft-345ft

Overall

19980

Females

7571

F55-59

7571

5K→10K

3.1 - 6.2 mi

Top 65%
×5
+79ft-138ft

Overall

18981

Females

7021

F55-59

7021

10K→15K

6.2 - 9.3 mi

Top 69%
×3
+67ft-78ft

Overall

19980

Females

7571

F55-59

7571

15K→20K

9.3 - 12.4 mi

Top 67%
×5
+106ft-86ft

Overall

19517

Females

7376

F55-59

7376

20K→HALF

12.4 - 13.1 mi

Top 69%
×2
+19ft-37ft

Overall

20060

Females

7616

F55-59

7616

HALF→25K

13.1 - 15.5 mi

Top 68%
×4
+66ft-88ft

Overall

19649

Females

7470

F55-59

7470

25K→30K

15.5 - 18.6 mi

Top 68%
×9
+181ft-148ft

Overall

19648

Females

7565

F55-59

7565

30K→20M

18.6 - 20.0 mi

Top 75%
×5
+64ft-50ft

Overall

21896

Females

8792

F55-59

8792

20M→21M

20.0 - 21.0 mi

Top 70%
×8
+106ft-24ft

Overall

20216

Females

7965

F55-59

7965

21M→35K

21.0 - 21.8 mi

Top 67%
×7
+17ft-86ft

Overall

19384

Females

7645

F55-59

7645

35K→23M

21.8 - 23.0 mi

Top 67%
×5
+23ft-63ft

Overall

19348

Females

7654

F55-59

7654

23M→24M

23.0 - 24.0 mi

Top 65%
×6
+12ft-82ft

Overall

18963

Females

7505

F55-59

7505

24M→40K

24.0 - 24.9 mi

Top 65%
×1
+6ft-20ft

Overall

18978

Females

7562

F55-59

7562

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1
+13ft-16ft

Overall

19630

Females

7885

F55-59

7885

25.2M→FINISH

25.2 - 26.2 mi

Top 68%
×2
+22ft-21ft

Overall

19872

Females

8018

F55-59

8018

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2002*
Passed By
1280
Net Change
+672
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20486
5K → 10K820*60+760#20486#19726
10K → 15K149200-51#19726#19777
15K → 20K202*123+79#19777#19698
20K → HALF2332-9#19698#19707
HALF → 25K123115+8#19707#19699
25K → 30K188179+9#19699#19690
30K → 20M42200-208#19690#19898
20M → 21M78116-38#19898#19936
21M → 35K5632+24#19936#19912
35K → 23M9165+26#19912#19886
23M → 24M9442+52#19886#19834
24M → 40K7036+34#19834#19800
40K → 25.2M2031-11#19800#19811
25.2M → FINISH4649-3#19811#19814
TOTALS2002*1280+672

* 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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Qualifying & Age Grade

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OTQ

Olympic Trials Qualifying analysis available

Activity Data

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