David Grossweiler

Bib: 12019•M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 26622

Gender (Male)

#0 / 15176

Masters (Masters Men)

#0 / 9891

Age Group (M50-54)

#0 / 2052

Race Day Weather

49°/39°F

light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start

0:00:00

Race begins

Start

0:00:00

Race begins

5K· 3.11 mi

23:40

Rank: #10695

Start → 5K

23:40 | 7:37/mi

5K· 3.11 mi

23:40

Rank: #10695

Start → 5K

23:40 | 7:37/mi

10K· 6.21 mi

47:01

Rank: #10609 (+86)

5K → 10K

23:21 | 7:31/mi

10K· 6.21 mi

47:01

Rank: #10609 (+86)

5K → 10K

23:21 | 7:31/mi

15K· 9.32 mi

1:10:24

Rank: #10525 (+84)

10K → 15K

23:23 | 7:32/mi

15K· 9.32 mi

1:10:24

Rank: #10525 (+84)

10K → 15K

23:23 | 7:32/mi

20K· 12.43 mi

1:34:47

Rank: #10938 (-413)

15K → 20K

24:23 | 7:51/mi

20K· 12.43 mi

1:34:47

Rank: #10938 (-413)

15K → 20K

24:23 | 7:51/mi

Half· 13.11 mi

1:40:08

Rank: #11027 (-89)

20K → Half

5:21 | 7:50/mi

Half· 13.11 mi

1:40:08

Rank: #11027 (-89)

20K → Half

5:21 | 7:50/mi

25K· 15.53 mi

2:01:41

Rank: #12475 (-1448)

Half → 25K

21:33 | 8:53/mi

25K· 15.53 mi

2:01:41

Rank: #12475 (-1448)

Half → 25K

21:33 | 8:53/mi

30K· 18.64 mi

2:31:56

Rank: #14452 (-1977)

25K → 30K

30:15 | 9:44/mi

30K· 18.64 mi

2:31:56

Rank: #14452 (-1977)

25K → 30K

30:15 | 9:44/mi

20M

2:46:01

Rank: #15233 (-781)

30K → 20M

14:05 | 10:22/mi

20M

2:46:01

Rank: #15233 (-781)

30K → 20M

14:05 | 10:22/mi

21M

2:57:18

Rank: #15815 (-582)

20M → 21M

11:17 | 11:17/mi

21M

2:57:18

Rank: #15815 (-582)

20M → 21M

11:17 | 11:17/mi

35K· 21.75 mi

3:04:34

Rank: #16054 (-239)

21M → 35K

7:16 | 9:43/mi

35K· 21.75 mi

3:04:34

Rank: #16054 (-239)

21M → 35K

7:16 | 9:43/mi

23M

3:17:37

Rank: #16535 (-481)

35K → 23M

13:03 | 10:25/mi

23M

3:17:37

Rank: #16535 (-481)

35K → 23M

13:03 | 10:25/mi

24M

3:28:18

Rank: #16971 (-436)

23M → 24M

10:41 | 10:41/mi

24M

3:28:18

Rank: #16971 (-436)

23M → 24M

10:41 | 10:41/mi

40K· 24.85 mi

3:37:25

Rank: #17281 (-310)

24M → 40K

9:07 | 10:40/mi

40K· 24.85 mi

3:37:25

Rank: #17281 (-310)

24M → 40K

9:07 | 10:40/mi

25.2M

3:41:47

Rank: #17518 (-237)

40K → 25.2M

4:22 | 12:40/mi

25.2M

3:41:47

Rank: #17518 (-237)

40K → 25.2M

4:22 | 12:40/mi

Finish· 26.22 mi

3:52:23

Rank: #17848 (-330)

25.2M → Finish

10:36 | 10:24/mi

Finish· 26.22 mi

3:52:23

Rank: #17848 (-330)

25.2M → Finish

10:36 | 10:24/mi

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time1:40:08

Pace7:38 /mi

2nd Half

Distance13.11 mi

Time2:12:15

Pace10:05 /mi

📊Positive Split: 32.1% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	10:51:40	23:40	7:37	23:40	7:37	-
10K	6.21 mi	11:15:01	47:01	7:34	23:21	7:31	-0:06
15K	9.32 mi	11:38:24	1:10:24	7:33	23:23	7:32	+0:01
20K	12.43 mi	12:02:47	1:34:47	7:38	24:23	7:51	+0:19
Half	13.11 mi	12:08:08	1:40:08	7:38	5:21	7:50	-0:01
25K	15.53 mi	12:29:41	2:01:41	7:50	21:33	8:53	+1:03
30K	18.64 mi	12:59:56	2:31:56	8:09	30:15	9:44	+0:51
20M	20.00 mi	13:14:01	2:46:01	8:18	14:05	10:22	+0:38
21M	21.00 mi	13:25:18	2:57:18	8:27	11:17	11:17	+0:55
35K	21.75 mi	13:32:34	3:04:34	8:29	7:16	9:43	-1:34
23M	23.00 mi	13:45:37	3:17:37	8:36	13:03	10:25	+0:42
24M	24.00 mi	13:56:18	3:28:18	8:41	10:41	10:41	+0:16
40K	24.85 mi	14:05:25	3:37:25	8:45	9:07	10:40	-0:01
25.2M	25.20 mi	14:09:47	3:41:47	8:48	4:22	12:40	+2:00
Finish	26.22 mi	14:20:23	3:52:23	8:52	10:36	10:24	-2:16

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

7:31 /mi

Average Pace

8:52 /mi

Slowest Pace

12:40 /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

2:01:41

52% of race

Time at Steady Pace

1:15:15

32% of race

Time at Slower Pace

35:27

15% of race

Average Pace: 8:52 /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.

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

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
5K	3.11 mi	10:51:40	23:40	7:37	23:40	7:37	#10695
10K	6.21 mi	11:15:01	47:01	7:34	23:21	7:31	#10609
15K	9.32 mi	11:38:24	1:10:24	7:33	23:23	7:32	#10525
20K	12.43 mi	12:02:47	1:34:47	7:38	24:23	7:51	#10938
Half	13.11 mi	12:08:08	1:40:08	7:38	5:21	7:50	#11027
25K	15.53 mi	12:29:41	2:01:41	7:50	21:33	8:53	#12475
30K	18.64 mi	12:59:56	2:31:56	8:09	30:15	9:44	#14452
20M	20.00 mi	13:14:01	2:46:01	8:18	14:05	10:22	#15233
21M	21.00 mi	13:25:18	2:57:18	8:27	11:17	11:17	#15815
35K	21.75 mi	13:32:34	3:04:34	8:29	7:16	9:43	#16054
23M	23.00 mi	13:45:37	3:17:37	8:36	13:03	10:25	#16535
24M	24.00 mi	13:56:18	3:28:18	8:41	10:41	10:41	#16971
40K	24.85 mi	14:05:25	3:37:25	8:45	9:07	10:40	#17281
25.2M	25.20 mi	14:09:47	3:41:47	8:48	4:22	12:40	#17518
Finish	26.22 mi	14:20:23	3:52:23	8:52	10:36	10:24	#17848

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
5K	3.11 mi	3.11 mi	10695	8507	8507	10390(Top 39%)	8358(Top 55%)	8358(Top 407%)
10K	6.21 mi	3.10 mi	10609+86	8475+32	8475+32	10572(Top 40%)	8471(Top 56%)	8471(Top 413%)
15K	9.32 mi	3.11 mi	10525+84	8437+38	8437+38	10390(Top 39%)	8358(Top 55%)	8358(Top 407%)
20K	12.43 mi	3.11 mi	10938-413	8619-182	8619-182	12145(Top 46%)	9080(Top 60%)	9080(Top 442%)
Half	13.11 mi	0.68 mi	11027-89	8670-51	8670-51	13091(Top 49%)	9548(Top 63%)	9548(Top 465%)
25K	15.53 mi	2.42 mi	12475-1448	9243-573	9243-573	18386(Top 69%)	11589(Top 76%)	11589(Top 565%)
30K	18.64 mi	3.11 mi	14452-1977	10011-768	10011-768	20242(Top 76%)	12314(Top 81%)	12314(Top 600%)
20M	20.00 mi	1.36 mi	15233-781	10283-272	10283-272	21418(Top 80%)	12744(Top 84%)	12744(Top 621%)
21M	21.00 mi	1.00 mi	15815-582	10485-202	10485-202	21428(Top 80%)	12703(Top 84%)	12703(Top 619%)
35K	21.75 mi	0.75 mi	16054-239	10565-80	10565-80	20493(Top 77%)	12249(Top 81%)	12249(Top 597%)
23M	23.00 mi	1.25 mi	16535-481	10767-202	10767-202	21117(Top 79%)	12498(Top 82%)	12498(Top 609%)
24M	24.00 mi	1.00 mi	16971-436	10923-156	10923-156	22402(Top 84%)	13063(Top 86%)	13063(Top 637%)
40K	24.85 mi	0.85 mi	17281-310	11042-119	11042-119	21606(Top 81%)	12636(Top 83%)	12636(Top 616%)
25.2M	25.20 mi	0.35 mi	17518-237	11138-96	11138-96	23496(Top 88%)	13539(Top 89%)	13539(Top 660%)
Finish	26.22 mi	1.02 mi	17848-330	11269-131	11269-131	22788(Top 86%)	13217(Top 87%)	13217(Top 644%)

13217

Passing Analysis

Category:

Athletes Passed

722*

Passed By

7875

Net Change

-7153

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#10695
5K → 10K	334*	248	+86	#10695	#10609
10K → 15K	242	158	+84	#10609	#10525
15K → 20K	57	470	-413	#10525	#10938
20K → Half	5	94	-89	#10938	#11027
Half → 25K	3	1451	-1448	#11027	#12475
25K → 30K	4	1981	-1977	#12475	#14452
30K → 20M	8	789	-781	#14452	#15233
20M → 21M	8	590	-582	#15233	#15815
21M → 35K	20	259	-239	#15815	#16054
35K → 23M	12	493	-481	#16054	#16535
23M → 24M	9	445	-436	#16535	#16971
24M → 40K	13	323	-310	#16971	#17281
40K → 25.2M	3	240	-237	#17281	#17518
25.2M → Finish	4	334	-330	#17518	#17848
TOTALS	722*	7875	-7153

* 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

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

David Grossweiler

⏱️ Race Timeline

Race Animation with Course Map

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Half Splits

Checkpoint Splits

Checkpoint Splits Visualizations

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Checkpoint and Segment Rankings

Segment Performance Analysis

10K→15K

5K→10K

10K→15K

15K→20K

20K→Half

Half→25K

25K→30K

30K→20M

20M→21M

21M→35K

35K→23M

23M→24M

24M→40K

40K→25.2M

25.2M→Finish

Passing Analysis

Passing Analysis Visualizations

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

Export Track Data

Questions or issues regarding timing data?

Quick Links

All Results

Race Analytics

Course Information

Contact Time Management

Public Race Data