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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Caleb Van Geffen

Bib: 345 •M •Age: N/A

AL

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 0.7%
Gender (Male)
#0 / 16340
Top 1%
Age Group (M18-39)
#0 / 5723
Top 3%
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
16:07
3.11 mi
Rank: #71
Start → 5K
16:07 | 5:12/mi
10K
32:27
6.21 mi
Rank: #69 (+2)
5K → 10K
16:20 | 5:16/mi
15K
49:03
9.32 mi
Rank: #73 (-4)
10K → 15K
16:36 | 5:21/mi
20K
1:05:51
12.43 mi
Rank: #82 (-9)
15K → 20K
16:48 | 5:25/mi
HALF
1:09:27
13.11 mi
Rank: #80 (+2)
20K → HALF
3:36 | 5:17/mi
25K
1:22:47
15.53 mi
Rank: #88 (-8)
HALF → 25K
13:20 | 5:30/mi
30K
1:40:32
18.64 mi
Rank: #95 (-7)
25K → 30K
17:45 | 5:43/mi
20M
1:48:37
20.00 mi
Rank: #112 (-17)
30K → 20M
8:05 | 5:58/mi
21M
1:54:58
21.00 mi
Rank: #123 (-11)
20M → 21M
6:21 | 6:21/mi
35K
1:59:21
21.75 mi
Rank: #135 (-12)
21M → 35K
4:23 | 5:52/mi
23M
2:07:06
23.00 mi
Rank: #152 (-17)
35K → 23M
7:45 | 6:12/mi
24M
2:13:03
24.00 mi
Rank: #161 (-9)
23M → 24M
5:57 | 5:57/mi
40K
2:18:26
24.85 mi
Rank: #175 (-14)
24M → 40K
5:23 | 6:18/mi
25.2M
2:20:43
25.20 mi
Rank: #181 (-6)
40K → 25.2M
2:17 | 6:38/mi
FINISH
2:26:49
26.22 mi
Rank: #192 (-11)
25.2M → FINISH
6:06 | 6:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:09:27
Pace5:18 /mi
2nd Half
Distance13.11 mi
Time1:17:22
Pace5:55 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:16:1216:075:1216:07
5:12
-
10K
6.21 mi10:32:3232:275:1416:20
5:16
+0:04
15K
9.32 mi10:49:0849:035:1616:36
5:21
+0:05
20K
12.43 mi11:05:561:05:515:1816:48
5:25
+0:04
HALF
13.11 mi11:09:321:09:275:183:36
5:17
-0:08
25K
15.53 mi11:22:521:22:475:2013:20
5:30
+0:13
30K
18.64 mi11:40:371:40:325:2417:45
5:43
+0:13
20M
20.00 mi11:48:421:48:375:268:05
5:58
+0:15
21M
21.00 mi11:55:031:54:585:296:21
6:21
+0:23
35K
21.75 mi11:59:261:59:215:304:23
5:52
-0:29
23M
23.00 mi12:07:112:07:065:327:45
6:12
+0:20
24M
24.00 mi12:13:082:13:035:335:57
5:57
-0:15
40K
24.85 mi12:18:312:18:265:355:23
6:18
+0:21
25.2M
25.20 mi12:20:482:20:435:362:17
6:38
+0:20
FINISH
26.22 mi12:26:542:26:495:376:06
6:00
-0:38

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

5:12 /mi

Average Pace

5:36 /mi

Slowest Pace

6:38 /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

1:22:47

56% of race

Time at Steady Pace

42:16

29% of race

Time at Slower Pace

21:46

15% of race

Average Pace: 5:36 /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 mi10:16:1216:075:1216:07
5:12
#71
10K
6.21 mi10:32:3232:275:1416:20
5:16
#69
15K
9.32 mi10:49:0849:035:1616:36
5:21
#73
20K
12.43 mi11:05:561:05:515:1816:48
5:25
#82
HALF
13.11 mi11:09:321:09:275:183:36
5:17
#80
25K
15.53 mi11:22:521:22:475:2013:20
5:30
#88
30K
18.64 mi11:40:371:40:325:2417:45
5:43
#95
20M
20.00 mi11:48:421:48:375:268:05
5:58
#112
21M
21.00 mi11:55:031:54:585:296:21
6:21
#123
35K
21.75 mi11:59:261:59:215:304:23
5:52
#135
23M
23.00 mi12:07:112:07:065:327:45
6:12
#152
24M
24.00 mi12:13:082:13:035:335:57
5:57
#161
40K
24.85 mi12:18:312:18:265:355:23
6:18
#175
25.2M
25.20 mi12:20:482:20:435:362:17
6:38
#181
FINISH
26.22 mi12:26:542:26:495:376:06
6:00
#192
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi71717198(Top 0.3%)98(Top 0.6%)98(Top 2%)
10K6.21 mi3.10 mi69+269+269+272(Top 0.2%)72(Top 0.4%)72(Top 1%)
15K9.32 mi3.11 mi73-473-473-498(Top 0.3%)98(Top 0.6%)98(Top 2%)
20K12.43 mi3.11 mi82-982-982-9100(Top 0.3%)98(Top 0.6%)98(Top 2%)
HALF13.11 mi0.68 mi80+280+280+293(Top 0.3%)93(Top 0.6%)93(Top 2%)
25K15.53 mi2.42 mi88-888-888-8159(Top 0.5%)142(Top 0.9%)142(Top 2%)
30K18.64 mi3.11 mi95-795-795-7245(Top 0.8%)227(Top 1%)227(Top 4%)
20M20.00 mi1.36 mi112-17103-8103-8546(Top 2%)522(Top 3%)522(Top 9%)
21M21.00 mi1.00 mi123-11111-8111-8856(Top 3%)822(Top 5%)822(Top 14%)
35K21.75 mi0.75 mi135-12122-11122-11793(Top 3%)758(Top 5%)758(Top 13%)
23M23.00 mi1.25 mi152-17136-14136-141197(Top 4%)1150(Top 7%)1150(Top 20%)
24M24.00 mi1.00 mi161-9144-8144-8943(Top 3%)899(Top 6%)899(Top 16%)
40K24.85 mi0.85 mi175-14158-14158-141763(Top 6%)1656(Top 10%)1656(Top 29%)
25.2M25.20 mi0.35 mi181-6164-6164-61321(Top 5%)1242(Top 8%)1242(Top 22%)
FINISH26.22 mi1.02 mi192-11175-11175-111612(Top 6%)1511(Top 9%)1511(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.3%
×21
+97ft-345ft

Overall

98

Males

98

M18-39

98

5K→10K

3.1 - 6.2 mi

Top 0.2%
×5
+79ft-138ft

Overall

72

Males

72

M18-39

72

10K→15K

6.2 - 9.3 mi

Top 0.3%
×3
+67ft-78ft

Overall

98

Males

98

M18-39

98

15K→20K

9.3 - 12.4 mi

Top 0.3%
×5
+106ft-86ft

Overall

100

Males

98

M18-39

98

20K→HALF

12.4 - 13.1 mi

Top 0.3%
×2
+19ft-37ft

Overall

93

Males

93

M18-39

93

HALF→25K

13.1 - 15.5 mi

Top 0.5%
×4
+66ft-88ft

Overall

159

Males

142

M18-39

142

25K→30K

15.5 - 18.6 mi

Top 0.8%
×9
+181ft-148ft

Overall

245

Males

227

M18-39

227

30K→20M

18.6 - 20.0 mi

Top 2%
×5
+64ft-50ft

Overall

546

Males

522

M18-39

522

20M→21M

20.0 - 21.0 mi

Top 3%
×8
+106ft-24ft

Overall

856

Males

822

M18-39

822

21M→35K

21.0 - 21.8 mi

Top 3%
×7
+17ft-86ft

Overall

793

Males

758

M18-39

758

35K→23M

21.8 - 23.0 mi

Top 4%
×5
+23ft-63ft

Overall

1197

Males

1150

M18-39

1150

23M→24M

23.0 - 24.0 mi

Top 3%
×6
+12ft-82ft

Overall

943

Males

899

M18-39

899

24M→40K

24.0 - 24.9 mi

Top 6%
×1
+6ft-20ft

Overall

1763

Males

1656

M18-39

1656

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1
+13ft-16ft

Overall

1321

Males

1242

M18-39

1242

25.2M→FINISH

25.2 - 26.2 mi

Top 6%
×2
+22ft-21ft

Overall

1612

Males

1511

M18-39

1511

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
7
Passed By
128
Net Change
-121
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#71
5K → 10K31+2#71#69
10K → 15K04-4#69#73
15K → 20K09-9#73#82
20K → HALF31+2#82#80
HALF → 25K08-8#80#88
25K → 30K07-7#88#95
30K → 20M017-17#95#112
20M → 21M011-11#112#123
21M → 35K012-12#123#135
35K → 23M017-17#135#152
23M → 24M09-9#152#161
24M → 40K014-14#161#175
40K → 25.2M06-6#175#181
25.2M → FINISH112-11#181#192
TOTALS7128-121
📊

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

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