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BOSTON MARATHON 2026

Martin Van Cleeff

Bib: 23585β€’M

NC

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M60-64)
#0 / 1514
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
29:39
3.11 mi
Rank: #24603
Start β†’ 5K
29:39 | 9:33/mi
10K
59:19
6.21 mi
Rank: #24652 (-49)
5K β†’ 10K
29:40 | 9:33/mi
15K
1:30:24
9.32 mi
Rank: #25032 (-380)
10K β†’ 15K
31:05 | 10:01/mi
20K
2:03:57
12.43 mi
Rank: #25521
15K β†’ 20K
33:33 | 10:48/mi
HALF
2:10:09
13.11 mi
Rank: #25430
20K β†’ HALF
6:12 | 9:06/mi
25K
2:33:46
15.53 mi
Rank: #25132
HALF β†’ 25K
23:37 | 9:45/mi
30K
3:05:04
18.64 mi
Rank: #24809
25K β†’ 30K
31:18 | 10:05/mi
20M
3:18:25
20.00 mi
Rank: #24624
30K β†’ 20M
13:21 | 9:50/mi
21M
3:28:43
21.00 mi
Rank: #24454
20M β†’ 21M
10:18 | 10:18/mi
35K
3:36:52
21.75 mi
Rank: #24457
21M β†’ 35K
8:09 | 10:54/mi
23M
3:49:17
23.00 mi
Rank: #24320
35K β†’ 23M
12:25 | 9:56/mi
24M
3:59:17
24.00 mi
Rank: #24233
23M β†’ 24M
10:00 | 10:00/mi
40K
4:07:46
24.85 mi
Rank: #24135
24M β†’ 40K
8:29 | 9:56/mi
25.2M
4:11:31
25.20 mi
Rank: #24100
40K β†’ 25.2M
3:45 | 10:53/mi
FINISH
4:22:17
26.22 mi
Rank: #24159
25.2M β†’ FINISH
10:46 | 10:34/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:10:09
Pace9:56 /mi
2nd Half
Distance13.11 mi
Time2:12:08
Pace10:05 /mi
πŸ“ŠPositive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:33:2829:399:3329:39
9:33
-
10K
6.21 mi12:03:0859:199:3329:40
9:33
0:00
15K
9.32 mi12:34:131:30:249:4231:05
10:01
+0:28
20K
12.43 mi13:07:462:03:579:5933:33
10:48
+0:47
HALF
13.11 mi13:13:582:10:099:566:12
9:06
-1:42
25K
15.53 mi13:37:352:33:469:5423:37
9:45
+0:39
30K
18.64 mi14:08:533:05:049:5631:18
10:05
+0:20
20M
20.00 mi14:22:143:18:259:5613:21
9:50
-0:15
21M
21.00 mi14:32:323:28:439:5710:18
10:18
+0:28
35K
21.75 mi14:40:413:36:529:598:09
10:54
+0:36
23M
23.00 mi14:53:063:49:179:5912:25
9:56
-0:58
24M
24.00 mi15:03:063:59:179:5910:00
10:00
+0:04
40K
24.85 mi15:11:354:07:469:598:29
9:56
-0:04
25.2M
25.20 mi15:15:204:11:319:593:45
10:53
+0:57
FINISH
26.22 mi15:26:064:22:1710:0110:46
10:34
-0:19

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

9:06 /mi

Average Pace

10:01 /mi

Slowest Pace

10:54 /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

2:13:23

51% of race

Time at Steady Pace

1:23:27

32% of race

Time at Slower Pace

45:27

17% of race

Average Pace: 10:00 /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 mi11:33:2829:399:3329:39
9:33
#24603
10K
6.21 mi12:03:0859:199:3329:40
9:33
#24652
15K
9.32 mi12:34:131:30:249:4231:05
10:01
#25032
20K
12.43 mi13:07:462:03:579:5933:33
10:48
#25521
HALF
13.11 mi13:13:582:10:099:566:12
9:06
#25430
25K
15.53 mi13:37:352:33:469:5423:37
9:45
#25132
30K
18.64 mi14:08:533:05:049:5631:18
10:05
#24809
20M
20.00 mi14:22:143:18:259:5613:21
9:50
#24624
21M
21.00 mi14:32:323:28:439:5710:18
10:18
#24454
35K
21.75 mi14:40:413:36:529:598:09
10:54
#24457
23M
23.00 mi14:53:063:49:179:5912:25
9:56
#24320
24M
24.00 mi15:03:063:59:179:5910:00
10:00
#24233
40K
24.85 mi15:11:354:07:469:598:29
9:56
#24135
25.2M
25.20 mi15:15:204:11:319:593:45
10:53
#24100
FINISH
26.22 mi15:26:064:22:1710:0110:46
10:34
#24159
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi24603145321453225696(Top 89%)15042(Top 92%)15042(Top 994%)
10K6.21 mi3.10 mi24652-4914551-1914551-1924700(Top 85%)14572(Top 89%)14572(Top 962%)
15K9.32 mi3.11 mi25032-38014748-19714748-19725696(Top 89%)15042(Top 92%)15042(Top 994%)
20K12.43 mi3.11 mi25521-48914960-21214960-21226682(Top 92%)15440(Top 94%)15440(Top 1020%)
HALF13.11 mi0.68 mi25430+9114919+4114919+4123115(Top 80%)13804(Top 84%)13804(Top 912%)
25K15.53 mi2.42 mi25132+29814772+14714772+14723659(Top 82%)14021(Top 86%)14021(Top 926%)
30K18.64 mi3.11 mi24809+32314599+17314599+17323325(Top 80%)13769(Top 84%)13769(Top 909%)
20M20.00 mi1.36 mi24624+18514495+10414495+10422095(Top 76%)13120(Top 80%)13120(Top 867%)
21M21.00 mi1.00 mi24454+17014396+9914396+9921394(Top 74%)12731(Top 78%)12731(Top 841%)
35K21.75 mi0.75 mi24457-314390+614390+625070(Top 86%)14421(Top 88%)14421(Top 953%)
23M23.00 mi1.25 mi24320+13714300+9014300+9021916(Top 76%)12888(Top 79%)12888(Top 851%)
24M24.00 mi1.00 mi24233+8714235+6514235+6522796(Top 79%)13274(Top 81%)13274(Top 877%)
40K24.85 mi0.85 mi24135+9814181+5414181+5421715(Top 75%)12680(Top 78%)12680(Top 838%)
25.2M25.20 mi0.35 mi24100+3514156+2514156+2522053(Top 76%)12873(Top 79%)12873(Top 850%)
FINISH26.22 mi1.02 mi24159-5914166-1014166-1025201(Top 87%)14371(Top 88%)14371(Top 949%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
Γ—21
+97ft-345ft

Overall

25696

Males

15042

M60-64

15042

5K→10K

3.1 - 6.2 mi

Top 85%
Γ—5
+79ft-138ft

Overall

24700

Males

14572

M60-64

14572

10K→15K

6.2 - 9.3 mi

Top 89%
Γ—3
+67ft-78ft

Overall

25696

Males

15042

M60-64

15042

15K→20K

9.3 - 12.4 mi

Top 92%
Γ—5
+106ft-86ft

Overall

26682

Males

15440

M60-64

15440

20K→HALF

12.4 - 13.1 mi

Top 80%
Γ—2
+19ft-37ft

Overall

23115

Males

13804

M60-64

13804

HALF→25K

13.1 - 15.5 mi

Top 82%
Γ—4
+66ft-88ft

Overall

23659

Males

14021

M60-64

14021

25K→30K

15.5 - 18.6 mi

Top 80%
Γ—9
+181ft-148ft

Overall

23325

Males

13769

M60-64

13769

30K→20M

18.6 - 20.0 mi

Top 76%
Γ—5
+64ft-50ft

Overall

22095

Males

13120

M60-64

13120

20M→21M

20.0 - 21.0 mi

Top 74%
Γ—8
+106ft-24ft

Overall

21394

Males

12731

M60-64

12731

21M→35K

21.0 - 21.8 mi

Top 86%
Γ—7
+17ft-86ft

Overall

25070

Males

14421

M60-64

14421

35K→23M

21.8 - 23.0 mi

Top 76%
Γ—5
+23ft-63ft

Overall

21916

Males

12888

M60-64

12888

23M→24M

23.0 - 24.0 mi

Top 79%
Γ—6
+12ft-82ft

Overall

22796

Males

13274

M60-64

13274

24M→40K

24.0 - 24.9 mi

Top 75%
Γ—1
+6ft-20ft

Overall

21715

Males

12680

M60-64

12680

40K→25.2M

24.9 - 25.2 mi

Top 76%
Γ—1
+13ft-16ft

Overall

22053

Males

12873

M60-64

12873

25.2M→FINISH

25.2 - 26.2 mi

Top 87%
Γ—2
+22ft-21ft

Overall

25201

Males

14371

M60-64

14371

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 2 hours ago. This usually takes 10-20 minutes. Please check back shortly.

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing