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BOSTON MARATHON 2026

Henrieke Krommendijk

Bib: 18750β€’F

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0:00
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Overall
#0 / 29021
Top 41%
Gender (Female)
#0 / 12578
Top 25%
Age Group (F18-39)
#0 / 5716
Top 43%
Race Day Weather
51Β°/41Β°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
23:01
3.11 mi
Rank: #12031
Start β†’ 5K
23:01 | 7:25/mi
10K
46:14
6.21 mi
Rank: #12324 (-293)
5K β†’ 10K
23:13 | 7:29/mi
15K
1:09:34
9.32 mi
Rank: #12510 (-186)
10K β†’ 15K
23:20 | 7:31/mi
20K
1:33:13
12.43 mi
Rank: #12603 (-93)
15K β†’ 20K
23:39 | 7:37/mi
HALF
1:38:17
13.11 mi
Rank: #12585 (+18)
20K β†’ HALF
5:04 | 7:26/mi
25K
1:56:45
15.53 mi
Rank: #12540 (+45)
HALF β†’ 25K
18:28 | 7:37/mi
30K
2:20:53
18.64 mi
Rank: #12365 (+175)
25K β†’ 30K
24:08 | 7:47/mi
20M
2:31:32
20.00 mi
Rank: #12298 (+67)
30K β†’ 20M
10:39 | 7:51/mi
21M
2:39:48
21.00 mi
Rank: #12235 (+63)
20M β†’ 21M
8:16 | 8:16/mi
35K
2:45:26
21.75 mi
Rank: #12190 (+45)
21M β†’ 35K
5:38 | 7:32/mi
23M
2:55:27
23.00 mi
Rank: #12178 (+12)
35K β†’ 23M
10:01 | 8:01/mi
24M
3:03:02
24.00 mi
Rank: #12081 (+97)
23M β†’ 24M
7:35 | 7:35/mi
40K
3:09:30
24.85 mi
Rank: #11931 (+150)
24M β†’ 40K
6:28 | 7:34/mi
25.2M
3:12:18
25.20 mi
Rank: #11871 (+60)
40K β†’ 25.2M
2:48 | 8:08/mi
FINISH
3:19:42
26.22 mi
Rank: #11762 (+109)
25.2M β†’ FINISH
7:24 | 7:16/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:38:17
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:41:25
Pace7:45 /mi
πŸ“ŠPositive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:5923:017:2523:01
7:25
-
10K
6.21 mi11:29:1246:147:2723:13
7:29
+0:04
15K
9.32 mi11:52:321:09:347:2823:20
7:31
+0:02
20K
12.43 mi12:16:111:33:137:3123:39
7:37
+0:06
HALF
13.11 mi12:21:151:38:177:305:04
7:26
-0:11
25K
15.53 mi12:39:431:56:457:3118:28
7:37
+0:11
30K
18.64 mi13:03:512:20:537:3424:08
7:47
+0:10
20M
20.00 mi13:14:302:31:327:3510:39
7:51
+0:04
21M
21.00 mi13:22:462:39:487:378:16
8:16
+0:25
35K
21.75 mi13:28:242:45:267:375:38
7:32
-0:44
23M
23.00 mi13:38:252:55:277:3810:01
8:01
+0:29
24M
24.00 mi13:46:003:03:027:387:35
7:35
-0:26
40K
24.85 mi13:52:283:09:307:386:28
7:34
-0:01
25.2M
25.20 mi13:55:163:12:187:382:48
8:08
+0:34
FINISH
26.22 mi14:02:403:19:427:387:24
7:16
-0:52

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

7:16 /mi

Average Pace

7:37 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:58:37

89% of race

Time at Steady Pace

21:05

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:37 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:05:5923:017:2523:01
7:25
#12031
10K
6.21 mi11:29:1246:147:2723:13
7:29
#12324
15K
9.32 mi11:52:321:09:347:2823:20
7:31
#12510
20K
12.43 mi12:16:111:33:137:3123:39
7:37
#12603
HALF
13.11 mi12:21:151:38:177:305:04
7:26
#12585
25K
15.53 mi12:39:431:56:457:3118:28
7:37
#12540
30K
18.64 mi13:03:512:20:537:3424:08
7:47
#12365
20M
20.00 mi13:14:302:31:327:3510:39
7:51
#12298
21M
21.00 mi13:22:462:39:487:378:16
8:16
#12235
35K
21.75 mi13:28:242:45:267:375:38
7:32
#12190
23M
23.00 mi13:38:252:55:277:3810:01
8:01
#12178
24M
24.00 mi13:46:003:03:027:387:35
7:35
#12081
40K
24.85 mi13:52:283:09:307:386:28
7:34
#11931
25.2M
25.20 mi13:55:163:12:187:382:48
8:08
#11871
FINISH
26.22 mi14:02:403:19:427:387:24
7:16
#11762
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 mi120312936293612913(Top 44%)3521(Top 28%)3521(Top 62%)
10K6.21 mi3.10 mi12324-2933121-1853121-18512708(Top 44%)3377(Top 27%)3377(Top 59%)
15K9.32 mi3.11 mi12510-1863250-1293250-12912913(Top 44%)3521(Top 28%)3521(Top 62%)
20K12.43 mi3.11 mi12603-933334-843334-8412948(Top 45%)3637(Top 29%)3637(Top 64%)
HALF13.11 mi0.68 mi12585+183325+93325+912486(Top 43%)3296(Top 26%)3296(Top 58%)
25K15.53 mi2.42 mi12540+453335-103335-1012380(Top 43%)3376(Top 27%)3376(Top 59%)
30K18.64 mi3.11 mi12365+1753288+473288+4711742(Top 40%)3165(Top 25%)3165(Top 55%)
20M20.00 mi1.36 mi12298+673274+143274+1411670(Top 40%)3238(Top 26%)3238(Top 57%)
21M21.00 mi1.00 mi12235+633259+153259+1511656(Top 40%)3338(Top 27%)3338(Top 58%)
35K21.75 mi0.75 mi12190+453245+143245+1411140(Top 38%)3074(Top 24%)3074(Top 54%)
23M23.00 mi1.25 mi12178+123269-243269-2412490(Top 43%)3857(Top 31%)3857(Top 67%)
24M24.00 mi1.00 mi12081+973253+163253+1610768(Top 37%)3052(Top 24%)3052(Top 53%)
40K24.85 mi0.85 mi11931+1503188+653188+659356(Top 32%)2454(Top 20%)2454(Top 43%)
25.2M25.20 mi0.35 mi11871+603163+253163+259187(Top 32%)2450(Top 19%)2450(Top 43%)
FINISH26.22 mi1.02 mi11762+1093145+183145+189621(Top 33%)2667(Top 21%)2667(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
Γ—21
+97ft-345ft

Overall

12913

Females

3521

F18-39

3521

5K→10K

3.1 - 6.2 mi

Top 44%
Γ—5
+79ft-138ft

Overall

12708

Females

3377

F18-39

3377

10K→15K

6.2 - 9.3 mi

Top 44%
Γ—3
+67ft-78ft

Overall

12913

Females

3521

F18-39

3521

15K→20K

9.3 - 12.4 mi

Top 45%
Γ—5
+106ft-86ft

Overall

12948

Females

3637

F18-39

3637

20K→HALF

12.4 - 13.1 mi

Top 43%
Γ—2
+19ft-37ft

Overall

12486

Females

3296

F18-39

3296

HALF→25K

13.1 - 15.5 mi

Top 43%
Γ—4
+66ft-88ft

Overall

12380

Females

3376

F18-39

3376

25K→30K

15.5 - 18.6 mi

Top 40%
Γ—9
+181ft-148ft

Overall

11742

Females

3165

F18-39

3165

30K→20M

18.6 - 20.0 mi

Top 40%
Γ—5
+64ft-50ft

Overall

11670

Females

3238

F18-39

3238

20M→21M

20.0 - 21.0 mi

Top 40%
Γ—8
+106ft-24ft

Overall

11656

Females

3338

F18-39

3338

21M→35K

21.0 - 21.8 mi

Top 38%
Γ—7
+17ft-86ft

Overall

11140

Females

3074

F18-39

3074

35K→23M

21.8 - 23.0 mi

Top 43%
Γ—5
+23ft-63ft

Overall

12490

Females

3857

F18-39

3857

23M→24M

23.0 - 24.0 mi

Top 37%
Γ—6
+12ft-82ft

Overall

10768

Females

3052

F18-39

3052

24M→40K

24.0 - 24.9 mi

Top 32%
Γ—1
+6ft-20ft

Overall

9356

Females

2454

F18-39

2454

40K→25.2M

24.9 - 25.2 mi

Top 32%
Γ—1
+13ft-16ft

Overall

9187

Females

2450

F18-39

2450

25.2M→FINISH

25.2 - 26.2 mi

Top 33%
Γ—2
+22ft-21ft

Overall

9621

Females

2667

F18-39

2667

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1770
Passed By
1501
Net Change
+269
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#12031
5K β†’ 10K148441-293#12031#12324
10K β†’ 15K136322-186#12324#12510
15K β†’ 20K124217-93#12510#12603
20K β†’ HALF3416+18#12603#12585
HALF β†’ 25K153108+45#12585#12540
25K β†’ 30K26287+175#12540#12365
30K β†’ 20M12255+67#12365#12298
20M β†’ 21M11855+63#12298#12235
21M β†’ 35K6924+45#12235#12190
35K β†’ 23M10896+12#12190#12178
23M β†’ 24M12932+97#12178#12081
24M β†’ 40K16010+150#12081#11931
40K β†’ 25.2M644+60#11931#11871
25.2M β†’ FINISH14334+109#11871#11762
TOTALS17701501+269
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing