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BOSTON MARATHON 2026

David Bock

Bib: 31824•M

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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 (M50-54)
#0 / 1868
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
29:14
3.11 mi
Rank: #24170
Start → 5K
29:14 | 9:25/mi
10K
58:20
6.21 mi
Rank: #24193 (-23)
5K → 10K
29:06 | 9:22/mi
15K
1:27:06
9.32 mi
Rank: #24063 (+130)
10K → 15K
28:46 | 9:16/mi
20K
1:57:52
12.43 mi
Rank: #24266 (-203)
15K → 20K
30:46 | 9:55/mi
HALF
2:04:04
13.11 mi
Rank: #24203 (+63)
20K → HALF
6:12 | 9:06/mi
25K
2:27:08
15.53 mi
Rank: #24000 (+203)
HALF → 25K
23:04 | 9:31/mi
30K
2:58:08
18.64 mi
Rank: #23787 (+213)
25K → 30K
31:00 | 9:59/mi
20M
3:12:28
20.00 mi
Rank: #23776 (+11)
30K → 20M
14:20 | 10:34/mi
21M
3:24:01
21.00 mi
Rank: #23808 (-32)
20M → 21M
11:33 | 11:33/mi
35K
3:32:18
21.75 mi
Rank: #23888 (-80)
21M → 35K
8:17 | 11:05/mi
23M
3:45:50
23.00 mi
Rank: #23890 (-2)
35K → 23M
13:32 | 10:49/mi
24M
3:55:44
24.00 mi
Rank: #23825 (+65)
23M → 24M
9:54 | 9:54/mi
40K
4:04:25
24.85 mi
Rank: #23766 (+59)
24M → 40K
8:41 | 10:10/mi
25.2M
4:08:36
25.20 mi
Rank: #23796 (-30)
40K → 25.2M
4:11 | 12:08/mi
FINISH
4:18:27
26.22 mi
Rank: #23746 (+50)
25.2M → FINISH
9:51 | 9:40/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:04:04
Pace9:28 /mi
2nd Half
Distance13.11 mi
Time2:14:23
Pace10:16 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:5829:149:2529:14
9:25
-
10K
6.21 mi12:26:0458:209:2429:06
9:22
-0:03
15K
9.32 mi12:54:501:27:069:2128:46
9:16
-0:06
20K
12.43 mi13:25:361:57:529:3030:46
9:55
+0:39
HALF
13.11 mi13:31:482:04:049:286:12
9:06
-0:49
25K
15.53 mi13:54:522:27:089:2923:04
9:31
+0:25
30K
18.64 mi14:25:522:58:089:3431:00
9:59
+0:28
20M
20.00 mi14:40:123:12:289:3814:20
10:34
+0:35
21M
21.00 mi14:51:453:24:019:4311:33
11:33
+0:59
35K
21.75 mi15:00:023:32:189:468:17
11:05
-0:28
23M
23.00 mi15:13:343:45:509:5013:32
10:49
-0:16
24M
24.00 mi15:23:283:55:449:509:54
9:54
-0:55
40K
24.85 mi15:32:094:04:259:518:41
10:10
+0:16
25.2M
25.20 mi15:36:204:08:369:524:11
12:08
+1:58
FINISH
26.22 mi15:46:114:18:279:529:51
9:40
-2:28

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

9:06 /mi

Average Pace

9:52 /mi

Slowest Pace

12:08 /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

1:33:18

36% of race

Time at Steady Pace

1:53:16

44% of race

Time at Slower Pace

51:53

20% of race

Average Pace: 9:51 /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 mi11:56:5829:149:2529:14
9:25
#24170
10K
6.21 mi12:26:0458:209:2429:06
9:22
#24193
15K
9.32 mi12:54:501:27:069:2128:46
9:16
#24063
20K
12.43 mi13:25:361:57:529:3030:46
9:55
#24266
HALF
13.11 mi13:31:482:04:049:286:12
9:06
#24203
25K
15.53 mi13:54:522:27:089:2923:04
9:31
#24000
30K
18.64 mi14:25:522:58:089:3431:00
9:59
#23787
20M
20.00 mi14:40:123:12:289:3814:20
10:34
#23776
21M
21.00 mi14:51:453:24:019:4311:33
11:33
#23808
35K
21.75 mi15:00:023:32:189:468:17
11:05
#23888
23M
23.00 mi15:13:343:45:509:5013:32
10:49
#23890
24M
24.00 mi15:23:283:55:449:509:54
9:54
#23825
40K
24.85 mi15:32:094:04:259:518:41
10:10
#23766
25.2M
25.20 mi15:36:204:08:369:524:11
12:08
#23796
FINISH
26.22 mi15:46:114:18:279:529:51
9:40
#23746
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi24170143211432123702(Top 82%)14104(Top 86%)14104(Top 755%)
10K6.21 mi3.10 mi24193-2314350-2914350-2924167(Top 83%)14321(Top 88%)14321(Top 767%)
15K9.32 mi3.11 mi24063+13014281+6914281+6923702(Top 82%)14104(Top 86%)14104(Top 755%)
20K12.43 mi3.11 mi24266-20314380-9914380-9924800(Top 85%)14601(Top 89%)14601(Top 782%)
HALF13.11 mi0.68 mi24203+6314349+3114349+3123111(Top 80%)13800(Top 84%)13800(Top 739%)
25K15.53 mi2.42 mi24000+20314232+11714232+11723051(Top 79%)13736(Top 84%)13736(Top 735%)
30K18.64 mi3.11 mi23787+21314108+12414108+12423072(Top 80%)13656(Top 84%)13656(Top 731%)
20M20.00 mi1.36 mi23776+1114077+3114077+3123981(Top 83%)13995(Top 86%)13995(Top 749%)
21M21.00 mi1.00 mi23808-3214085-814085-824271(Top 84%)14046(Top 86%)14046(Top 752%)
35K21.75 mi0.75 mi23888-8014113-2814113-2825374(Top 87%)14568(Top 89%)14568(Top 780%)
23M23.00 mi1.25 mi23890-214094+1914094+1924091(Top 83%)13897(Top 85%)13897(Top 744%)
24M24.00 mi1.00 mi23825+6514059+3514059+3522517(Top 78%)13142(Top 80%)13142(Top 704%)
40K24.85 mi0.85 mi23766+5914011+4814011+4822348(Top 77%)12995(Top 80%)12995(Top 696%)
25.2M25.20 mi0.35 mi23796-3014020-914020-924670(Top 85%)14095(Top 86%)14095(Top 755%)
FINISH26.22 mi1.02 mi23746+5013975+4513975+4522860(Top 79%)13243(Top 81%)13243(Top 709%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21
+97ft-345ft

Overall

23702

Males

14104

M50-54

14104

5K→10K

3.1 - 6.2 mi

Top 83%
×5
+79ft-138ft

Overall

24167

Males

14321

M50-54

14321

10K→15K

6.2 - 9.3 mi

Top 82%
×3
+67ft-78ft

Overall

23702

Males

14104

M50-54

14104

15K→20K

9.3 - 12.4 mi

Top 85%
×5
+106ft-86ft

Overall

24800

Males

14601

M50-54

14601

20K→HALF

12.4 - 13.1 mi

Top 80%
×2
+19ft-37ft

Overall

23111

Males

13800

M50-54

13800

HALF→25K

13.1 - 15.5 mi

Top 79%
×4
+66ft-88ft

Overall

23051

Males

13736

M50-54

13736

25K→30K

15.5 - 18.6 mi

Top 80%
×9
+181ft-148ft

Overall

23072

Males

13656

M50-54

13656

30K→20M

18.6 - 20.0 mi

Top 83%
×5
+64ft-50ft

Overall

23981

Males

13995

M50-54

13995

20M→21M

20.0 - 21.0 mi

Top 84%
×8
+106ft-24ft

Overall

24271

Males

14046

M50-54

14046

21M→35K

21.0 - 21.8 mi

Top 87%
×7
+17ft-86ft

Overall

25374

Males

14568

M50-54

14568

35K→23M

21.8 - 23.0 mi

Top 83%
×5
+23ft-63ft

Overall

24091

Males

13897

M50-54

13897

23M→24M

23.0 - 24.0 mi

Top 78%
×6
+12ft-82ft

Overall

22517

Males

13142

M50-54

13142

24M→40K

24.0 - 24.9 mi

Top 77%
×1
+6ft-20ft

Overall

22348

Males

12995

M50-54

12995

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1
+13ft-16ft

Overall

24670

Males

14095

M50-54

14095

25.2M→FINISH

25.2 - 26.2 mi

Top 79%
×2
+22ft-21ft

Overall

22860

Males

13243

M50-54

13243

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1501
Passed By
1077
Net Change
+424
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24170
5K → 10K198221-23#24170#24193
10K → 15K22494+130#24193#24063
15K → 20K72275-203#24063#24266
20K → HALF652+63#24266#24203
HALF → 25K23835+203#24203#24000
25K → 30K25340+213#24000#23787
30K → 20M7463+11#23787#23776
20M → 21M5486-32#23776#23808
21M → 35K21101-80#23808#23888
35K → 23M6971-2#23888#23890
23M → 24M7914+65#23890#23825
24M → 40K7011+59#23825#23766
40K → 25.2M1141-30#23766#23796
25.2M → FINISH7323+50#23796#23746
TOTALS15011077+424
📊

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