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BOSTON MARATHON 2026

Marta Knach

Bib: 21922•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 37%
Masters (Masters Women)
#0 / 6862
Top 22%
Age Group (F45-49)
#0 / 1786
Top 24%
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
22:39
3.11 mi
Rank: #10980
Start → 5K
22:39 | 7:18/mi
10K
46:33
6.21 mi
Rank: #12775 (-1795)
5K → 10K
23:54 | 7:42/mi
15K
1:11:12
9.32 mi
Rank: #13985 (-1210)
10K → 15K
24:39 | 7:57/mi
20K
1:36:25
12.43 mi
Rank: #14808 (-823)
15K → 20K
25:13 | 8:07/mi
HALF
1:41:43
13.11 mi
Rank: #14832 (-24)
20K → HALF
5:18 | 7:47/mi
25K
2:01:21
15.53 mi
Rank: #15038 (-206)
HALF → 25K
19:38 | 8:06/mi
30K
2:27:05
18.64 mi
Rank: #15105 (-67)
25K → 30K
25:44 | 8:17/mi
20M
2:38:16
20.00 mi
Rank: #15041 (+64)
30K → 20M
11:11 | 8:14/mi
21M
2:47:03
21.00 mi
Rank: #14983 (+58)
20M → 21M
8:47 | 8:47/mi
35K
2:52:50
21.75 mi
Rank: #14890 (+93)
21M → 35K
5:47 | 7:44/mi
23M
3:02:57
23.00 mi
Rank: #14755 (+135)
35K → 23M
10:07 | 8:06/mi
24M
3:10:48
24.00 mi
Rank: #14657 (+98)
23M → 24M
7:51 | 7:51/mi
40K
3:17:41
24.85 mi
Rank: #14593 (+64)
24M → 40K
6:53 | 8:04/mi
25.2M
3:20:41
25.20 mi
Rank: #14557 (+36)
40K → 25.2M
3:00 | 8:42/mi
FINISH
3:28:42
26.22 mi
Rank: #14544 (+13)
25.2M → FINISH
8:01 | 7:53/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:43
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:46:59
Pace8:10 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:4522:397:1822:39
7:18
-
10K
6.21 mi11:47:3946:337:3023:54
7:42
+0:24
15K
9.32 mi12:12:181:11:127:3924:39
7:57
+0:15
20K
12.43 mi12:37:311:36:257:4625:13
8:07
+0:10
HALF
13.11 mi12:42:491:41:437:465:18
7:47
-0:20
25K
15.53 mi13:02:272:01:217:4919:38
8:06
+0:19
30K
18.64 mi13:28:112:27:057:5425:44
8:17
+0:11
20M
20.00 mi13:39:222:38:167:5511:11
8:14
-0:03
21M
21.00 mi13:48:092:47:037:588:47
8:47
+0:33
35K
21.75 mi13:53:562:52:507:575:47
7:44
-1:03
23M
23.00 mi14:04:033:02:577:5810:07
8:06
+0:22
24M
24.00 mi14:11:543:10:487:587:51
7:51
-0:15
40K
24.85 mi14:18:473:17:417:586:53
8:04
+0:13
25.2M
25.20 mi14:21:473:20:417:583:00
8:42
+0:38
FINISH
26.22 mi14:29:483:28:427:588:01
7:53
-0:49

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

7:18 /mi

Average Pace

7:58 /mi

Slowest Pace

8:47 /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

1:13:30

35% of race

Time at Steady Pace

1:37:41

47% of race

Time at Slower Pace

37:31

18% of race

Average Pace: 7:58 /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 mi11:23:4522:397:1822:39
7:18
#10980
10K
6.21 mi11:47:3946:337:3023:54
7:42
#12775
15K
9.32 mi12:12:181:11:127:3924:39
7:57
#13985
20K
12.43 mi12:37:311:36:257:4625:13
8:07
#14808
HALF
13.11 mi12:42:491:41:437:465:18
7:47
#14832
25K
15.53 mi13:02:272:01:217:4919:38
8:06
#15038
30K
18.64 mi13:28:112:27:057:5425:44
8:17
#15105
20M
20.00 mi13:39:222:38:167:5511:11
8:14
#15041
21M
21.00 mi13:48:092:47:037:588:47
8:47
#14983
35K
21.75 mi13:53:562:52:507:575:47
7:44
#14890
23M
23.00 mi14:04:033:02:577:5810:07
8:06
#14755
24M
24.00 mi14:11:543:10:487:587:51
7:51
#14657
40K
24.85 mi14:18:473:17:417:586:53
8:04
#14593
25.2M
25.20 mi14:21:473:20:417:583:00
8:42
#14557
FINISH
26.22 mi14:29:483:28:427:588:01
7:53
#14544
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi109802359235916480(Top 57%)5604(Top 45%)5604(Top 314%)
10K6.21 mi3.10 mi12775-17953381-10223381-102214696(Top 51%)4506(Top 36%)4506(Top 252%)
15K9.32 mi3.11 mi13985-12104110-7294110-72916480(Top 57%)5604(Top 45%)5604(Top 314%)
20K12.43 mi3.11 mi14808-8234628-5184628-51816969(Top 58%)5917(Top 47%)5917(Top 331%)
HALF13.11 mi0.68 mi14832-244644-164644-1615396(Top 53%)4962(Top 39%)4962(Top 278%)
25K15.53 mi2.42 mi15038-2064774-1304774-13016085(Top 55%)5470(Top 43%)5470(Top 306%)
30K18.64 mi3.11 mi15105-674854-804854-8015500(Top 53%)5242(Top 42%)5242(Top 294%)
20M20.00 mi1.36 mi15041+644852+24852+214485(Top 50%)4754(Top 38%)4754(Top 266%)
21M21.00 mi1.00 mi14983+584849+34849+314910(Top 51%)5091(Top 40%)5091(Top 285%)
35K21.75 mi0.75 mi14890+934808+414808+4112611(Top 43%)3885(Top 31%)3885(Top 218%)
23M23.00 mi1.25 mi14755+1354755+534755+5313066(Top 45%)4201(Top 33%)4201(Top 235%)
24M24.00 mi1.00 mi14657+984722+334722+3312713(Top 44%)4100(Top 33%)4100(Top 230%)
40K24.85 mi0.85 mi14593+644696+264696+2612884(Top 44%)4267(Top 34%)4267(Top 239%)
25.2M25.20 mi0.35 mi14557+364689+74689+712961(Top 45%)4349(Top 35%)4349(Top 244%)
FINISH26.22 mi1.02 mi14544+134696-74696-714290(Top 49%)5065(Top 40%)5065(Top 284%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16480

Females

5604

F45-49

5604

5K→10K

3.1 - 6.2 mi

Top 51%
×5
+79ft-138ft

Overall

14696

Females

4506

F45-49

4506

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16480

Females

5604

F45-49

5604

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16969

Females

5917

F45-49

5917

20K→HALF

12.4 - 13.1 mi

Top 53%
×2
+19ft-37ft

Overall

15396

Females

4962

F45-49

4962

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

16085

Females

5470

F45-49

5470

25K→30K

15.5 - 18.6 mi

Top 53%
×9
+181ft-148ft

Overall

15500

Females

5242

F45-49

5242

30K→20M

18.6 - 20.0 mi

Top 50%
×5
+64ft-50ft

Overall

14485

Females

4754

F45-49

4754

20M→21M

20.0 - 21.0 mi

Top 51%
×8
+106ft-24ft

Overall

14910

Females

5091

F45-49

5091

21M→35K

21.0 - 21.8 mi

Top 43%
×7
+17ft-86ft

Overall

12611

Females

3885

F45-49

3885

35K→23M

21.8 - 23.0 mi

Top 45%
×5
+23ft-63ft

Overall

13066

Females

4201

F45-49

4201

23M→24M

23.0 - 24.0 mi

Top 44%
×6
+12ft-82ft

Overall

12713

Females

4100

F45-49

4100

24M→40K

24.0 - 24.9 mi

Top 44%
×1
+6ft-20ft

Overall

12884

Females

4267

F45-49

4267

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1
+13ft-16ft

Overall

12961

Females

4349

F45-49

4349

25.2M→FINISH

25.2 - 26.2 mi

Top 49%
×2
+22ft-21ft

Overall

14290

Females

5065

F45-49

5065

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1218
Passed By
1350
Net Change
-3564
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10980
5K → 10K6200-1795#10980#12775
10K → 15K27200-1210#12775#13985
15K → 20K33200-823#13985#14808
20K → HALF2448-24#14808#14832
HALF → 25K87200-206#14832#15038
25K → 30K178200-67#15038#15105
30K → 20M12460+64#15105#15041
20M → 21M12668+58#15041#14983
21M → 35K1029+93#14983#14890
35K → 23M16934+135#14890#14755
23M → 24M12628+98#14755#14657
24M → 40K9531+64#14657#14593
40K → 25.2M5115+36#14593#14557
25.2M → FINISH7057+13#14557#14544
TOTALS12181350-3564
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing