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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Laurens Vonk

Bib: 32039 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 16%
Gender (Male)
#0 / 16340
Top 27%
Masters (Masters Men)
#0 / 10617
Top 12%
Age Group (M45-49)
#0 / 2413
Top 15%
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
21:25
3.11 mi
Rank: #7672
Start → 5K
21:25 | 6:54/mi
10K
42:04
6.21 mi
Rank: #6579 (+1093)
5K → 10K
20:39 | 6:39/mi
15K
1:02:40
9.32 mi
Rank: #6056 (+523)
10K → 15K
20:36 | 6:38/mi
20K
1:23:43
12.43 mi
Rank: #5961 (+95)
15K → 20K
21:03 | 6:47/mi
HALF
1:28:13
13.11 mi
Rank: #5921 (+40)
20K → HALF
4:30 | 6:37/mi
25K
1:44:29
15.53 mi
Rank: #5727 (+194)
HALF → 25K
16:16 | 6:43/mi
30K
2:05:32
18.64 mi
Rank: #5393 (+334)
25K → 30K
21:03 | 6:47/mi
20M
2:14:47
20.00 mi
Rank: #5273 (+120)
30K → 20M
9:15 | 6:49/mi
21M
2:21:52
21.00 mi
Rank: #5155 (+118)
20M → 21M
7:05 | 7:05/mi
35K
2:26:45
21.75 mi
Rank: #5080 (+75)
21M → 35K
4:53 | 6:32/mi
23M
2:35:09
23.00 mi
Rank: #4954 (+126)
35K → 23M
8:24 | 6:43/mi
24M
2:41:37
24.00 mi
Rank: #4809 (+145)
23M → 24M
6:28 | 6:28/mi
40K
2:47:19
24.85 mi
Rank: #4713 (+96)
24M → 40K
5:42 | 6:40/mi
25.2M
2:50:15
25.20 mi
Rank: #4805 (-92)
40K → 25.2M
2:56 | 8:31/mi
FINISH
2:56:52
26.22 mi
Rank: #4747 (+58)
25.2M → FINISH
6:37 | 6:30/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:28:13
Pace6:44 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:39
Pace6:46 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:3921:256:5421:25
6:54
-
10K
6.21 mi12:09:1842:046:4720:39
6:39
-0:15
15K
9.32 mi12:29:541:02:406:4420:36
6:38
-0:01
20K
12.43 mi12:50:571:23:436:4521:03
6:47
+0:09
HALF
13.11 mi12:55:271:28:136:444:30
6:37
-0:10
25K
15.53 mi13:11:431:44:296:4416:16
6:43
+0:06
30K
18.64 mi13:32:462:05:326:4521:03
6:47
+0:04
20M
20.00 mi13:42:012:14:476:459:15
6:49
+0:02
21M
21.00 mi13:49:062:21:526:467:05
7:05
+0:16
35K
21.75 mi13:53:592:26:456:454:53
6:32
-0:33
23M
23.00 mi14:02:232:35:096:458:24
6:43
+0:11
24M
24.00 mi14:08:512:41:376:456:28
6:28
-0:15
40K
24.85 mi14:14:332:47:196:445:42
6:40
+0:12
25.2M
25.20 mi14:17:292:50:156:462:56
8:31
+1:51
FINISH
26.22 mi14:24:062:56:526:466:37
6:30
-2:01

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

6:28 /mi

Average Pace

6:45 /mi

Slowest Pace

8:31 /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

6:28

4% of race

Time at Steady Pace

2:40:23

91% of race

Time at Slower Pace

10:01

6% of race

Average Pace: 6:45 /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 mi11:48:3921:256:5421:25
6:54
#7672
10K
6.21 mi12:09:1842:046:4720:39
6:39
#6579
15K
9.32 mi12:29:541:02:406:4420:36
6:38
#6056
20K
12.43 mi12:50:571:23:436:4521:03
6:47
#5961
HALF
13.11 mi12:55:271:28:136:444:30
6:37
#5921
25K
15.53 mi13:11:431:44:296:4416:16
6:43
#5727
30K
18.64 mi13:32:462:05:326:4521:03
6:47
#5393
20M
20.00 mi13:42:012:14:476:459:15
6:49
#5273
21M
21.00 mi13:49:062:21:526:467:05
7:05
#5155
35K
21.75 mi13:53:592:26:456:454:53
6:32
#5080
23M
23.00 mi14:02:232:35:096:458:24
6:43
#4954
24M
24.00 mi14:08:512:41:376:456:28
6:28
#4809
40K
24.85 mi14:14:332:47:196:445:42
6:40
#4713
25.2M
25.20 mi14:17:292:50:156:462:56
8:31
#4805
FINISH
26.22 mi14:24:062:56:526:466:37
6:30
#4747
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7672667566755154(Top 18%)4785(Top 29%)4785(Top 198%)
10K6.21 mi3.10 mi6579+10935909+7665909+7665433(Top 19%)5015(Top 31%)5015(Top 208%)
15K9.32 mi3.11 mi6056+5235515+3945515+3945154(Top 18%)4785(Top 29%)4785(Top 198%)
20K12.43 mi3.11 mi5961+955428+875428+875927(Top 20%)5352(Top 33%)5352(Top 222%)
HALF13.11 mi0.68 mi5921+405399+295399+295237(Top 18%)4814(Top 29%)4814(Top 200%)
25K15.53 mi2.42 mi5727+1945241+1585241+1584954(Top 17%)4552(Top 28%)4552(Top 189%)
30K18.64 mi3.11 mi5393+3344963+2784963+2784182(Top 14%)3873(Top 24%)3873(Top 161%)
20M20.00 mi1.36 mi5273+1204857+1064857+1064230(Top 15%)3858(Top 24%)3858(Top 160%)
21M21.00 mi1.00 mi5155+1184755+1024755+1023938(Top 14%)3564(Top 22%)3564(Top 148%)
35K21.75 mi0.75 mi5080+754684+714684+713753(Top 13%)3444(Top 21%)3444(Top 143%)
23M23.00 mi1.25 mi4954+1264570+1144570+1143562(Top 12%)3247(Top 20%)3247(Top 135%)
24M24.00 mi1.00 mi4809+1454435+1354435+1353006(Top 10%)2747(Top 17%)2747(Top 114%)
40K24.85 mi0.85 mi4713+964341+944341+943418(Top 12%)3079(Top 19%)3079(Top 128%)
25.2M25.20 mi0.35 mi4805-924412-714412-7111515(Top 40%)7810(Top 48%)7810(Top 324%)
FINISH26.22 mi1.02 mi4747+584352+604352+604079(Top 14%)3526(Top 22%)3526(Top 146%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21
+97ft-345ft

Overall

5154

Males

4785

M45-49

4785

5K→10K

3.1 - 6.2 mi

Top 19%
×5
+79ft-138ft

Overall

5433

Males

5015

M45-49

5015

10K→15K

6.2 - 9.3 mi

Top 18%
×3
+67ft-78ft

Overall

5154

Males

4785

M45-49

4785

15K→20K

9.3 - 12.4 mi

Top 20%
×5
+106ft-86ft

Overall

5927

Males

5352

M45-49

5352

20K→HALF

12.4 - 13.1 mi

Top 18%
×2
+19ft-37ft

Overall

5237

Males

4814

M45-49

4814

HALF→25K

13.1 - 15.5 mi

Top 17%
×4
+66ft-88ft

Overall

4954

Males

4552

M45-49

4552

25K→30K

15.5 - 18.6 mi

Top 14%
×9
+181ft-148ft

Overall

4182

Males

3873

M45-49

3873

30K→20M

18.6 - 20.0 mi

Top 15%
×5
+64ft-50ft

Overall

4230

Males

3858

M45-49

3858

20M→21M

20.0 - 21.0 mi

Top 14%
×8
+106ft-24ft

Overall

3938

Males

3564

M45-49

3564

21M→35K

21.0 - 21.8 mi

Top 13%
×7
+17ft-86ft

Overall

3753

Males

3444

M45-49

3444

35K→23M

21.8 - 23.0 mi

Top 12%
×5
+23ft-63ft

Overall

3562

Males

3247

M45-49

3247

23M→24M

23.0 - 24.0 mi

Top 10%
×6
+12ft-82ft

Overall

3006

Males

2747

M45-49

2747

24M→40K

24.0 - 24.9 mi

Top 12%
×1
+6ft-20ft

Overall

3418

Males

3079

M45-49

3079

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1
+13ft-16ft

Overall

11515

Males

7810

M45-49

7810

25.2M→FINISH

25.2 - 26.2 mi

Top 14%
×2
+22ft-21ft

Overall

4079

Males

3526

M45-49

3526

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3247*
Passed By
322
Net Change
+2925
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7672
5K → 10K1104*11+1093#7672#6579
10K → 15K530*7+523#6579#6056
15K → 20K17883+95#6056#5961
20K → HALF477+40#5961#5921
HALF → 25K205*11+194#5921#5727
25K → 30K350*16+334#5727#5393
30K → 20M13414+120#5393#5273
20M → 21M13315+118#5273#5155
21M → 35K827+75#5155#5080
35K → 23M13610+126#5080#4954
23M → 24M1494+145#4954#4809
24M → 40K10610+96#4809#4713
40K → 25.2M8100-92#4713#4805
25.2M → FINISH8527+58#4805#4747
TOTALS3247*322+2925

* 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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