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Mark Netzly

Bib: 5390•M

0:00

0:00

/ mi

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Overall

#0 / 29021

Top 22%

Gender (Male)

#0 / 16340

Top 35%

Age Group (M18-39)

#0 / 5723

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

Start

0:00:00

Race begins

20:59

3.11 mi

Rank: #6433

Start → 5K

20:59 | 6:46/mi

20:59

3.11 mi

Rank: #6433

Start → 5K

20:59 | 6:46/mi

10K

42:07

6.21 mi

Rank: #6662 (-229)

5K → 10K

21:08 | 6:49/mi

10K

42:07

6.21 mi

Rank: #6662 (-229)

5K → 10K

21:08 | 6:49/mi

15K

1:03:39

9.32 mi

Rank: #7125 (-463)

10K → 15K

21:32 | 6:56/mi

15K

1:03:39

9.32 mi

Rank: #7125 (-463)

10K → 15K

21:32 | 6:56/mi

20K

1:25:21

12.43 mi

Rank: #7293 (-168)

15K → 20K

21:42 | 7:00/mi

20K

1:25:21

12.43 mi

Rank: #7293 (-168)

15K → 20K

21:42 | 7:00/mi

HALF

1:29:56

13.11 mi

Rank: #7246 (+47)

20K → HALF

4:35 | 6:44/mi

HALF

1:29:56

13.11 mi

Rank: #7246 (+47)

20K → HALF

4:35 | 6:44/mi

25K

1:46:40

15.53 mi

Rank: #7104 (+142)

HALF → 25K

16:44 | 6:54/mi

25K

1:46:40

15.53 mi

Rank: #7104 (+142)

HALF → 25K

16:44 | 6:54/mi

30K

2:08:34

18.64 mi

Rank: #6932 (+172)

25K → 30K

21:54 | 7:03/mi

30K

2:08:34

18.64 mi

Rank: #6932 (+172)

25K → 30K

21:54 | 7:03/mi

20M

2:18:52

20.00 mi

Rank: #7094 (-162)

30K → 20M

10:18 | 7:35/mi

20M

2:18:52

20.00 mi

Rank: #7094 (-162)

30K → 20M

10:18 | 7:35/mi

21M

2:26:29

21.00 mi

Rank: #7048 (+46)

20M → 21M

7:37 | 7:37/mi

21M

2:26:29

21.00 mi

Rank: #7048 (+46)

20M → 21M

7:37 | 7:37/mi

35K

2:31:27

21.75 mi

Rank: #6939 (+109)

21M → 35K

4:58 | 6:39/mi

35K

2:31:27

21.75 mi

Rank: #6939 (+109)

21M → 35K

4:58 | 6:39/mi

23M

2:40:08

23.00 mi

Rank: #6764 (+175)

35K → 23M

8:41 | 6:57/mi

23M

2:40:08

23.00 mi

Rank: #6764 (+175)

35K → 23M

8:41 | 6:57/mi

24M

2:46:48

24.00 mi

Rank: #6617 (+147)

23M → 24M

6:40 | 6:40/mi

24M

2:46:48

24.00 mi

Rank: #6617 (+147)

23M → 24M

6:40 | 6:40/mi

40K

2:52:42

24.85 mi

Rank: #6503 (+114)

24M → 40K

5:54 | 6:55/mi

40K

2:52:42

24.85 mi

Rank: #6503 (+114)

24M → 40K

5:54 | 6:55/mi

25.2M

2:55:25

25.20 mi

Rank: #6496 (+7)

40K → 25.2M

2:43 | 7:53/mi

25.2M

2:55:25

25.20 mi

Rank: #6496 (+7)

40K → 25.2M

2:43 | 7:53/mi

FINISH

3:02:42

26.22 mi

Rank: #6522 (-26)

25.2M → FINISH

7:17 | 7:09/mi

FINISH

3:02:42

26.22 mi

Rank: #6522 (-26)

25.2M → FINISH

7:17 | 7:09/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster

via HALF

Distance13.11 mi

Time1:29:56

Pace6:52 /mi

2nd Half

Spacer

Distance13.11 mi

Time1:32:46

Pace7:05 /mi

📊Positive Split: 3.2% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	10:37:31	20:59	6:46	20:59	6:46	-
10K	6.21 mi	10:58:39	42:07	6:47	21:08	6:49	+0:03
15K	9.32 mi	11:20:11	1:03:39	6:50	21:32	6:56	+0:07
20K	12.43 mi	11:41:53	1:25:21	6:53	21:42	7:00	+0:04
HALF	13.11 mi	11:46:28	1:29:56	6:52	4:35	6:44	-0:16
25K	15.53 mi	12:03:12	1:46:40	6:52	16:44	6:54	+0:10
30K	18.64 mi	12:25:06	2:08:34	6:54	21:54	7:03	+0:09
20M	20.00 mi	12:35:24	2:18:52	6:57	10:18	7:35	+0:32
21M	21.00 mi	12:43:01	2:26:29	6:59	7:37	7:37	+0:02
35K	21.75 mi	12:47:59	2:31:27	6:58	4:58	6:39	-0:58
23M	23.00 mi	12:56:40	2:40:08	6:58	8:41	6:57	+0:18
24M	24.00 mi	13:03:20	2:46:48	6:58	6:40	6:40	-0:17
40K	24.85 mi	13:09:14	2:52:42	6:57	5:54	6:55	+0:15
25.2M	25.20 mi	13:11:57	2:55:25	6:58	2:43	7:53	+0:58
FINISH	26.22 mi	13:19:14	3:02:42	6:59	7:17	7:09	-0:44

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

6:39 /mi

Average Pace

6:58 /mi

Slowest Pace

7:53 /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

2:42:04

89% of race

Time at Steady Pace

17:55

10% of race

Time at Slower Pace

2:43

1% of race

Average Pace: 6:58 /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	10:37:31	20:59	6:46	20:59	6:46	#6433
10K	6.21 mi	10:58:39	42:07	6:47	21:08	6:49	#6662
15K	9.32 mi	11:20:11	1:03:39	6:50	21:32	6:56	#7125
20K	12.43 mi	11:41:53	1:25:21	6:53	21:42	7:00	#7293
HALF	13.11 mi	11:46:28	1:29:56	6:52	4:35	6:44	#7246
25K	15.53 mi	12:03:12	1:46:40	6:52	16:44	6:54	#7104
30K	18.64 mi	12:25:06	2:08:34	6:54	21:54	7:03	#6932
20M	20.00 mi	12:35:24	2:18:52	6:57	10:18	7:35	#7094
21M	21.00 mi	12:43:01	2:26:29	6:59	7:37	7:37	#7048
35K	21.75 mi	12:47:59	2:31:27	6:58	4:58	6:39	#6939
23M	23.00 mi	12:56:40	2:40:08	6:58	8:41	6:57	#6764
24M	24.00 mi	13:03:20	2:46:48	6:58	6:40	6:40	#6617
40K	24.85 mi	13:09:14	2:52:42	6:57	5:54	6:55	#6503
25.2M	25.20 mi	13:11:57	2:55:25	6:58	2:43	7:53	#6496
FINISH	26.22 mi	13:19:14	3:02:42	6:59	7:17	7:09	#6522

Faster pace

Steady pace

Slower pace

Rankings

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

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M18-39	Seg. Overall	Seg. Males	Seg. M18-39
5K	3.11 mi	3.11 mi	6433	5805	5805	8038(Top 28%)	6885(Top 42%)	6885(Top 120%)
10K	6.21 mi	3.10 mi	6662-229	5966-161	5966-161	6996(Top 24%)	6192(Top 38%)	6192(Top 108%)
15K	9.32 mi	3.11 mi	7125-463	6287-321	6287-321	8038(Top 28%)	6885(Top 42%)	6885(Top 120%)
20K	12.43 mi	3.11 mi	7293-168	6392-105	6392-105	7732(Top 27%)	6662(Top 41%)	6662(Top 116%)
HALF	13.11 mi	0.68 mi	7246+47	6358+34	6358+34	6381(Top 22%)	5725(Top 35%)	5725(Top 100%)
25K	15.53 mi	2.42 mi	7104+142	6254+104	6254+104	6688(Top 23%)	5881(Top 36%)	5881(Top 103%)
30K	18.64 mi	3.11 mi	6932+172	6107+147	6107+147	6299(Top 22%)	5520(Top 34%)	5520(Top 96%)
20M	20.00 mi	1.36 mi	7094-162	6216-109	6216-109	9666(Top 33%)	7398(Top 45%)	7398(Top 129%)
21M	21.00 mi	1.00 mi	7048+46	6162+54	6162+54	7238(Top 25%)	5909(Top 36%)	5909(Top 103%)
35K	21.75 mi	0.75 mi	6939+109	6086+76	6086+76	4545(Top 16%)	4076(Top 25%)	4076(Top 71%)
23M	23.00 mi	1.25 mi	6764+175	5938+148	5938+148	5040(Top 17%)	4433(Top 27%)	4433(Top 77%)
24M	24.00 mi	1.00 mi	6617+147	5821+117	5821+117	4231(Top 15%)	3755(Top 23%)	3755(Top 66%)
40K	24.85 mi	0.85 mi	6503+114	5723+98	5723+98	4877(Top 17%)	4203(Top 26%)	4203(Top 73%)
25.2M	25.20 mi	0.35 mi	6496+7	5716+7	5716+7	7483(Top 26%)	5814(Top 36%)	5814(Top 102%)
FINISH	26.22 mi	1.02 mi	6522-26	5718-2	5718-2	8654(Top 30%)	6392(Top 39%)	6392(Top 112%)

6392

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 9 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

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

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Quick Links

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All Results

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Course Information

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Results processed 3 months ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

Mark Netzly

Race Timeline and Course Information

⏱️ Race Timeline

Race Animation with Course Map

Splits & Pacing

Half Splits

Checkpoint Splits

Checkpoint Splits Visualizations

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Rankings

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