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Kathryn Mason

Bib: 16126•F

0:00

0:00

/ mi

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Overall

#0 / 29021

Gender (Female)

#0 / 12578

Top 39%

Age Group (F18-39)

#0 / 5716

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

23:50

3.11 mi

Rank: #14304

Start → 5K

23:50 | 7:41/mi

23:50

3.11 mi

Rank: #14304

Start → 5K

23:50 | 7:41/mi

10K

47:22

6.21 mi

Rank: #13955 (+349)

5K → 10K

23:32 | 7:35/mi

10K

47:22

6.21 mi

Rank: #13955 (+349)

5K → 10K

23:32 | 7:35/mi

15K

1:10:57

9.32 mi

Rank: #13781 (+174)

10K → 15K

23:35 | 7:36/mi

15K

1:10:57

9.32 mi

Rank: #13781 (+174)

10K → 15K

23:35 | 7:36/mi

20K

1:35:14

12.43 mi

Rank: #13984 (-203)

15K → 20K

24:17 | 7:49/mi

20K

1:35:14

12.43 mi

Rank: #13984 (-203)

15K → 20K

24:17 | 7:49/mi

HALF

1:40:35

13.11 mi

Rank: #14075 (-91)

20K → HALF

5:21 | 7:51/mi

HALF

1:40:35

13.11 mi

Rank: #14075 (-91)

20K → HALF

5:21 | 7:51/mi

25K

1:59:48

15.53 mi

Rank: #14170 (-95)

HALF → 25K

19:13 | 7:56/mi

25K

1:59:48

15.53 mi

Rank: #14170 (-95)

HALF → 25K

19:13 | 7:56/mi

30K

2:25:35

18.64 mi

Rank: #14432 (-262)

25K → 30K

25:47 | 8:18/mi

30K

2:25:35

18.64 mi

Rank: #14432 (-262)

25K → 30K

25:47 | 8:18/mi

20M

2:36:53

20.00 mi

Rank: #14474 (-42)

30K → 20M

11:18 | 8:20/mi

20M

2:36:53

20.00 mi

Rank: #14474 (-42)

30K → 20M

11:18 | 8:20/mi

21M

2:45:42

21.00 mi

Rank: #14466 (+8)

20M → 21M

8:49 | 8:49/mi

21M

2:45:42

21.00 mi

Rank: #14466 (+8)

20M → 21M

8:49 | 8:49/mi

35K

2:52:01

21.75 mi

Rank: #14589 (-123)

21M → 35K

6:19 | 8:27/mi

35K

2:52:01

21.75 mi

Rank: #14589 (-123)

21M → 35K

6:19 | 8:27/mi

23M

3:03:26

23.00 mi

Rank: #14940 (-351)

35K → 23M

11:25 | 9:08/mi

23M

3:03:26

23.00 mi

Rank: #14940 (-351)

35K → 23M

11:25 | 9:08/mi

24M

3:11:54

24.00 mi

Rank: #15008 (-68)

23M → 24M

8:28 | 8:28/mi

24M

3:11:54

24.00 mi

Rank: #15008 (-68)

23M → 24M

8:28 | 8:28/mi

40K

3:19:00

24.85 mi

Rank: #14978 (+30)

24M → 40K

7:06 | 8:19/mi

40K

3:19:00

24.85 mi

Rank: #14978 (+30)

24M → 40K

7:06 | 8:19/mi

25.2M

3:22:18

25.20 mi

Rank: #15030 (-52)

40K → 25.2M

3:18 | 9:35/mi

25.2M

3:22:18

25.20 mi

Rank: #15030 (-52)

40K → 25.2M

3:18 | 9:35/mi

FINISH

3:30:19

26.22 mi

Rank: #15009 (+21)

25.2M → FINISH

8:01 | 7:53/mi

FINISH

3:30:19

26.22 mi

Rank: #15009 (+21)

25.2M → FINISH

8:01 | 7:53/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster

via HALF

Distance13.11 mi

Time1:40:35

Pace7:41 /mi

2nd Half

Spacer

Distance13.11 mi

Time1:49:44

Pace8:23 /mi

📊Positive Split: 9.1% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:04:55	23:50	7:41	23:50	7:41	-
10K	6.21 mi	11:28:27	47:22	7:38	23:32	7:35	-0:06
15K	9.32 mi	11:52:02	1:10:57	7:37	23:35	7:36	+0:01
20K	12.43 mi	12:16:19	1:35:14	7:40	24:17	7:49	+0:13
HALF	13.11 mi	12:21:40	1:40:35	7:41	5:21	7:51	+0:02
25K	15.53 mi	12:40:53	1:59:48	7:43	19:13	7:56	+0:05
30K	18.64 mi	13:06:40	2:25:35	7:49	25:47	8:18	+0:22
20M	20.00 mi	13:17:58	2:36:53	7:51	11:18	8:20	+0:02
21M	21.00 mi	13:26:47	2:45:42	7:54	8:49	8:49	+0:29
35K	21.75 mi	13:33:06	2:52:01	7:55	6:19	8:27	-0:22
23M	23.00 mi	13:44:31	3:03:26	7:59	11:25	9:08	+0:41
24M	24.00 mi	13:52:59	3:11:54	8:00	8:28	8:28	-0:40
40K	24.85 mi	14:00:05	3:19:00	8:01	7:06	8:19	-0:09
25.2M	25.20 mi	14:03:23	3:22:18	8:02	3:18	9:35	+1:16
FINISH	26.22 mi	14:11:24	3:30:19	8:02	8:01	7:53	-1:42

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

7:35 /mi

Average Pace

8:02 /mi

Slowest Pace

9:35 /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

2:07:49

61% of race

Time at Steady Pace

58:58

28% of race

Time at Slower Pace

23:32

11% of race

Average Pace: 8:01 /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	11:04:55	23:50	7:41	23:50	7:41	#14304
10K	6.21 mi	11:28:27	47:22	7:38	23:32	7:35	#13955
15K	9.32 mi	11:52:02	1:10:57	7:37	23:35	7:36	#13781
20K	12.43 mi	12:16:19	1:35:14	7:40	24:17	7:49	#13984
HALF	13.11 mi	12:21:40	1:40:35	7:41	5:21	7:51	#14075
25K	15.53 mi	12:40:53	1:59:48	7:43	19:13	7:56	#14170
30K	18.64 mi	13:06:40	2:25:35	7:49	25:47	8:18	#14432
20M	20.00 mi	13:17:58	2:36:53	7:51	11:18	8:20	#14474
21M	21.00 mi	13:26:47	2:45:42	7:54	8:49	8:49	#14466
35K	21.75 mi	13:33:06	2:52:01	7:55	6:19	8:27	#14589
23M	23.00 mi	13:44:31	3:03:26	7:59	11:25	9:08	#14940
24M	24.00 mi	13:52:59	3:11:54	8:00	8:28	8:28	#15008
40K	24.85 mi	14:00:05	3:19:00	8:01	7:06	8:19	#14978
25.2M	25.20 mi	14:03:23	3:22:18	8:02	3:18	9:35	#15030
FINISH	26.22 mi	14:11:24	3:30:19	8:02	8:01	7:53	#15009

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	Females	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	3.11 mi	14304	4259	4259	13601(Top 47%)	3921(Top 31%)	3921(Top 69%)
10K	6.21 mi	3.10 mi	13955+349	4061+198	4061+198	13648(Top 47%)	3919(Top 31%)	3919(Top 69%)
15K	9.32 mi	3.11 mi	13781+174	3991+70	3991+70	13601(Top 47%)	3921(Top 31%)	3921(Top 69%)
20K	12.43 mi	3.11 mi	13984-203	4132-141	4132-141	14674(Top 51%)	4605(Top 37%)	4605(Top 81%)
HALF	13.11 mi	0.68 mi	14075-91	4192-60	4192-60	15990(Top 55%)	5325(Top 42%)	5325(Top 93%)
25K	15.53 mi	2.42 mi	14170-95	4265-73	4265-73	14801(Top 51%)	4758(Top 38%)	4758(Top 83%)
30K	18.64 mi	3.11 mi	14432-262	4464-199	4464-199	15612(Top 54%)	5309(Top 42%)	5309(Top 93%)
20M	20.00 mi	1.36 mi	14474-42	4501-37	4501-37	15060(Top 52%)	5090(Top 40%)	5090(Top 89%)
21M	21.00 mi	1.00 mi	14466+8	4520-19	4520-19	15105(Top 52%)	5192(Top 41%)	5192(Top 91%)
35K	21.75 mi	0.75 mi	14589-123	4620-100	4620-100	17286(Top 60%)	6494(Top 52%)	6494(Top 114%)
23M	23.00 mi	1.25 mi	14940-351	4866-246	4866-246	19088(Top 66%)	7514(Top 60%)	7514(Top 131%)
24M	24.00 mi	1.00 mi	15008-68	4924-58	4924-58	16699(Top 58%)	6281(Top 50%)	6281(Top 110%)
40K	24.85 mi	0.85 mi	14978+30	4923+1	4923+1	14507(Top 50%)	5163(Top 41%)	5163(Top 90%)
25.2M	25.20 mi	0.35 mi	15030-52	4955-32	4955-32	17659(Top 61%)	6831(Top 54%)	6831(Top 120%)
FINISH	26.22 mi	1.02 mi	15009+21	4958-3	4958-3	14294(Top 49%)	5069(Top 40%)	5069(Top 89%)

5069

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 8 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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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

Kathryn Mason

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