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BOSTON MARATHON 2026

Katie Acker

Bib: 15707•F

MI

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
21:42
3.11 mi
Rank: #8439
Start → 5K
21:42 | 7:00/mi
10K
45:01
6.21 mi
Rank: #10621 (-2182)
5K → 10K
23:19 | 7:31/mi
15K
1:08:52
9.32 mi
Rank: #11855 (-1234)
10K → 15K
23:51 | 7:41/mi
20K
1:35:21
12.43 mi
Rank: #14068 (-2213)
15K → 20K
26:29 | 8:32/mi
HALF
1:40:40
13.11 mi
Rank: #14143 (-75)
20K → HALF
5:19 | 7:48/mi
25K
2:03:50
15.53 mi
Rank: #16358 (-2215)
HALF → 25K
23:10 | 9:34/mi
30K
2:33:49
18.64 mi
Rank: #17723 (-1365)
25K → 30K
29:59 | 9:40/mi
20M
2:47:00
20.00 mi
Rank: #18093 (-370)
30K → 20M
13:11 | 9:43/mi
21M
2:58:35
21.00 mi
Rank: #18679 (-586)
20M → 21M
11:35 | 11:35/mi
35K
3:04:59
21.75 mi
Rank: #18641 (+38)
21M → 35K
6:24 | 8:34/mi
23M
3:17:16
23.00 mi
Rank: #18883 (-242)
35K → 23M
12:17 | 9:49/mi
24M
3:27:15
24.00 mi
Rank: #19166 (-283)
23M → 24M
9:59 | 9:59/mi
40K
3:36:08
24.85 mi
Rank: #19423 (-257)
24M → 40K
8:53 | 10:24/mi
25.2M
3:40:08
25.20 mi
Rank: #19524 (-101)
40K → 25.2M
4:00 | 11:36/mi
FINISH
3:49:55
26.22 mi
Rank: #19722 (-198)
25.2M → FINISH
9:47 | 9:37/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:40
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time2:09:15
Pace9:52 /mi
📊Positive Split: 28.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4021:427:0021:42
7:00
-
10K
6.21 mi11:16:5945:017:1523:19
7:31
+0:31
15K
9.32 mi11:40:501:08:527:2423:51
7:41
+0:10
20K
12.43 mi12:07:191:35:217:4126:29
8:32
+0:51
HALF
13.11 mi12:12:381:40:407:415:19
7:48
-0:44
25K
15.53 mi12:35:482:03:507:5923:10
9:34
+1:46
30K
18.64 mi13:05:472:33:498:1629:59
9:40
+0:06
20M
20.00 mi13:18:582:47:008:2213:11
9:43
+0:03
21M
21.00 mi13:30:332:58:358:3111:35
11:35
+1:52
35K
21.75 mi13:36:573:04:598:316:24
8:34
-3:01
23M
23.00 mi13:49:143:17:168:3512:17
9:49
+1:15
24M
24.00 mi13:59:133:27:158:399:59
9:59
+0:10
40K
24.85 mi14:08:063:36:088:428:53
10:24
+0:25
25.2M
25.20 mi14:12:063:40:088:454:00
11:36
+1:12
FINISH
26.22 mi14:21:533:49:558:479:47
9:37
-1:59

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

7:00 /mi

Average Pace

8:47 /mi

Slowest Pace

11:36 /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

1:47:04

47% of race

Time at Steady Pace

1:38:23

43% of race

Time at Slower Pace

24:28

11% 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 mi10:53:4021:427:0021:42
7:00
#8439
10K
6.21 mi11:16:5945:017:1523:19
7:31
#10621
15K
9.32 mi11:40:501:08:527:2423:51
7:41
#11855
20K
12.43 mi12:07:191:35:217:4126:29
8:32
#14068
HALF
13.11 mi12:12:381:40:407:415:19
7:48
#14143
25K
15.53 mi12:35:482:03:507:5923:10
9:34
#16358
30K
18.64 mi13:05:472:33:498:1629:59
9:40
#17723
20M
20.00 mi13:18:582:47:008:2213:11
9:43
#18093
21M
21.00 mi13:30:332:58:358:3111:35
11:35
#18679
35K
21.75 mi13:36:573:04:598:316:24
8:34
#18641
23M
23.00 mi13:49:143:17:168:3512:17
9:49
#18883
24M
24.00 mi13:59:133:27:158:399:59
9:59
#19166
40K
24.85 mi14:08:063:36:088:428:53
10:24
#19423
25.2M
25.20 mi14:12:063:40:088:454:00
11:36
#19524
FINISH
26.22 mi14:21:533:49:558:479:47
9:37
#19722
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi84391226122614358(Top 49%)4359(Top 35%)4359(Top 76%)
10K6.21 mi3.10 mi10621-21822205-9792205-97913011(Top 45%)3554(Top 28%)3554(Top 62%)
15K9.32 mi3.11 mi11855-12342892-6872892-68714358(Top 49%)4359(Top 35%)4359(Top 76%)
20K12.43 mi3.11 mi14068-22134187-12954187-129519455(Top 67%)7335(Top 58%)7335(Top 128%)
HALF13.11 mi0.68 mi14143-754235-484235-4815650(Top 54%)5150(Top 41%)5150(Top 90%)
25K15.53 mi2.42 mi16358-22155575-13405575-134023184(Top 80%)9291(Top 74%)9291(Top 163%)
30K18.64 mi3.11 mi17723-13656374-7996374-79922111(Top 76%)8821(Top 70%)8821(Top 154%)
20M20.00 mi1.36 mi18093-3706621-2476621-24721744(Top 75%)8717(Top 69%)8717(Top 153%)
21M21.00 mi1.00 mi18679-5866949-3286949-32824337(Top 84%)10164(Top 81%)10164(Top 178%)
35K21.75 mi0.75 mi18641+386943+66943+617934(Top 62%)6868(Top 55%)6868(Top 120%)
23M23.00 mi1.25 mi18883-2427109-1667109-16621620(Top 74%)8799(Top 70%)8799(Top 154%)
24M24.00 mi1.00 mi19166-2837288-1797288-17922754(Top 78%)9412(Top 75%)9412(Top 165%)
40K24.85 mi0.85 mi19423-2577434-1467434-14622939(Top 79%)9576(Top 76%)9576(Top 168%)
25.2M25.20 mi0.35 mi19524-1017494-607494-6023700(Top 82%)9974(Top 79%)9974(Top 174%)
FINISH26.22 mi1.02 mi19722-1987618-1247618-12422675(Top 78%)9428(Top 75%)9428(Top 165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21
+97ft-345ft

Overall

14358

Females

4359

F18-39

4359

5K→10K

3.1 - 6.2 mi

Top 45%
×5
+79ft-138ft

Overall

13011

Females

3554

F18-39

3554

10K→15K

6.2 - 9.3 mi

Top 49%
×3
+67ft-78ft

Overall

14358

Females

4359

F18-39

4359

15K→20K

9.3 - 12.4 mi

Top 67%
×5
+106ft-86ft

Overall

19455

Females

7335

F18-39

7335

20K→HALF

12.4 - 13.1 mi

Top 54%
×2
+19ft-37ft

Overall

15650

Females

5150

F18-39

5150

HALF→25K

13.1 - 15.5 mi

Top 80%
×4
+66ft-88ft

Overall

23184

Females

9291

F18-39

9291

25K→30K

15.5 - 18.6 mi

Top 76%
×9
+181ft-148ft

Overall

22111

Females

8821

F18-39

8821

30K→20M

18.6 - 20.0 mi

Top 75%
×5
+64ft-50ft

Overall

21744

Females

8717

F18-39

8717

20M→21M

20.0 - 21.0 mi

Top 84%
×8
+106ft-24ft

Overall

24337

Females

10164

F18-39

10164

21M→35K

21.0 - 21.8 mi

Top 62%
×7
+17ft-86ft

Overall

17934

Females

6868

F18-39

6868

35K→23M

21.8 - 23.0 mi

Top 74%
×5
+23ft-63ft

Overall

21620

Females

8799

F18-39

8799

23M→24M

23.0 - 24.0 mi

Top 78%
×6
+12ft-82ft

Overall

22754

Females

9412

F18-39

9412

24M→40K

24.0 - 24.9 mi

Top 79%
×1
+6ft-20ft

Overall

22939

Females

9576

F18-39

9576

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1
+13ft-16ft

Overall

23700

Females

9974

F18-39

9974

25.2M→FINISH

25.2 - 26.2 mi

Top 78%
×2
+22ft-21ft

Overall

22675

Females

9428

F18-39

9428

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
264
Passed By
11545
Net Change
-11283
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8439
5K → 10K52185-2182#8439#10621
10K → 15K181252-1234#10621#11855
15K → 20K42217-2213#11855#14068
20K → HALF1893-75#14068#14143
HALF → 25K42219-2215#14143#16358
25K → 30K281393-1365#16358#17723
30K → 20M26396-370#17723#18093
20M → 21M9595-586#18093#18679
21M → 35K6224+38#18679#18641
35K → 23M38280-242#18641#18883
23M → 24M19302-283#18883#19166
24M → 40K16273-257#19166#19423
40K → 25.2M4105-101#19423#19524
25.2M → FINISH13211-198#19524#19722
TOTALS26411545-11283
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing