Quick Links:All Results|Race Analytics|CourseCourse Information|ContactContact Time Management

Yukiko Atsumi

Bib: 24047•F

0:00

0:00

/ mi

Masters

Be the first to cheer!

Overall

#0 / 29021

Gender (Female)

#0 / 12578

Masters (Masters Women)

#0 / 6862

Age Group (F50-54)

#0 / 1233

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

28:45

3.11 mi

Rank: #23634

Start → 5K

28:45 | 9:16/mi

28:45

3.11 mi

Rank: #23634

Start → 5K

28:45 | 9:16/mi

10K

56:55

6.21 mi

Rank: #23421 (+213)

5K → 10K

28:10 | 9:04/mi

10K

56:55

6.21 mi

Rank: #23421 (+213)

5K → 10K

28:10 | 9:04/mi

15K

1:24:44

9.32 mi

Rank: #23108 (+313)

10K → 15K

27:49 | 8:58/mi

15K

1:24:44

9.32 mi

Rank: #23108 (+313)

10K → 15K

27:49 | 8:58/mi

20K

1:53:08

12.43 mi

Rank: #22946 (+162)

15K → 20K

28:24 | 9:09/mi

20K

1:53:08

12.43 mi

Rank: #22946 (+162)

15K → 20K

28:24 | 9:09/mi

HALF

1:59:19

13.11 mi

Rank: #22952 (-6)

20K → HALF

6:11 | 9:05/mi

HALF

1:59:19

13.11 mi

Rank: #22952 (-6)

20K → HALF

6:11 | 9:05/mi

25K

2:22:02

15.53 mi

Rank: #22911 (+41)

HALF → 25K

22:43 | 9:23/mi

25K

2:22:02

15.53 mi

Rank: #22911 (+41)

HALF → 25K

22:43 | 9:23/mi

30K

2:52:51

18.64 mi

Rank: #22892 (+19)

25K → 30K

30:49 | 9:56/mi

30K

2:52:51

18.64 mi

Rank: #22892 (+19)

25K → 30K

30:49 | 9:56/mi

20M

3:06:50

20.00 mi

Rank: #22928 (-36)

30K → 20M

13:59 | 10:18/mi

20M

3:06:50

20.00 mi

Rank: #22928 (-36)

30K → 20M

13:59 | 10:18/mi

21M

3:17:50

21.00 mi

Rank: #22913 (+15)

20M → 21M

11:00 | 11:00/mi

21M

3:17:50

21.00 mi

Rank: #22913 (+15)

20M → 21M

11:00 | 11:00/mi

35K

3:25:13

21.75 mi

Rank: #22910 (+3)

21M → 35K

7:23 | 9:53/mi

35K

3:25:13

21.75 mi

Rank: #22910 (+3)

21M → 35K

7:23 | 9:53/mi

23M

3:37:48

23.00 mi

Rank: #22867 (+43)

35K → 23M

12:35 | 10:04/mi

23M

3:37:48

23.00 mi

Rank: #22867 (+43)

35K → 23M

12:35 | 10:04/mi

24M

3:47:12

24.00 mi

Rank: #22788 (+79)

23M → 24M

9:24 | 9:24/mi

24M

3:47:12

24.00 mi

Rank: #22788 (+79)

23M → 24M

9:24 | 9:24/mi

40K

3:55:03

24.85 mi

Rank: #22649 (+139)

24M → 40K

7:51 | 9:11/mi

40K

3:55:03

24.85 mi

Rank: #22649 (+139)

24M → 40K

7:51 | 9:11/mi

25.2M

3:58:30

25.20 mi

Rank: #22605 (+44)

40K → 25.2M

3:27 | 10:01/mi

25.2M

3:58:30

25.20 mi

Rank: #22605 (+44)

40K → 25.2M

3:27 | 10:01/mi

FINISH

4:07:28

26.22 mi

Rank: #22509 (+96)

25.2M → FINISH

8:58 | 8:48/mi

FINISH

4:07:28

26.22 mi

Rank: #22509 (+96)

25.2M → FINISH

8:58 | 8:48/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster

via HALF

Distance13.11 mi

Time1:59:19

Pace9:07 /mi

2nd Half

Spacer

Distance13.11 mi

Time2:08:09

Pace9:47 /mi

📊Positive Split: 7.4% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:34:35	28:45	9:16	28:45	9:16	-
10K	6.21 mi	12:02:45	56:55	9:10	28:10	9:04	-0:12
15K	9.32 mi	12:30:34	1:24:44	9:06	27:49	8:58	-0:06
20K	12.43 mi	12:58:58	1:53:08	9:07	28:24	9:09	+0:11
HALF	13.11 mi	13:05:09	1:59:19	9:07	6:11	9:05	-0:04
25K	15.53 mi	13:27:52	2:22:02	9:09	22:43	9:23	+0:18
30K	18.64 mi	13:58:41	2:52:51	9:17	30:49	9:56	+0:33
20M	20.00 mi	14:12:40	3:06:50	9:21	13:59	10:18	+0:22
21M	21.00 mi	14:23:40	3:17:50	9:26	11:00	11:00	+0:42
35K	21.75 mi	14:31:03	3:25:13	9:27	7:23	9:53	-1:07
23M	23.00 mi	14:43:38	3:37:48	9:29	12:35	10:04	+0:11
24M	24.00 mi	14:53:02	3:47:12	9:29	9:24	9:24	-0:40
40K	24.85 mi	15:00:53	3:55:03	9:28	7:51	9:11	-0:13
25.2M	25.20 mi	15:04:20	3:58:30	9:28	3:27	10:01	+0:50
FINISH	26.22 mi	15:13:18	4:07:28	9:27	8:58	8:48	-1:13

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

8:48 /mi

Average Pace

9:27 /mi

Slowest Pace

11:00 /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

1:11:08

29% of race

Time at Steady Pace

1:37:07

39% of race

Time at Slower Pace

1:19:13

32% of race

Average Pace: 9:26 /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	11:34:35	28:45	9:16	28:45	9:16	#23634
10K	6.21 mi	12:02:45	56:55	9:10	28:10	9:04	#23421
15K	9.32 mi	12:30:34	1:24:44	9:06	27:49	8:58	#23108
20K	12.43 mi	12:58:58	1:53:08	9:07	28:24	9:09	#22946
HALF	13.11 mi	13:05:09	1:59:19	9:07	6:11	9:05	#22952
25K	15.53 mi	13:27:52	2:22:02	9:09	22:43	9:23	#22911
30K	18.64 mi	13:58:41	2:52:51	9:17	30:49	9:56	#22892
20M	20.00 mi	14:12:40	3:06:50	9:21	13:59	10:18	#22928
21M	21.00 mi	14:23:40	3:17:50	9:26	11:00	11:00	#22913
35K	21.75 mi	14:31:03	3:25:13	9:27	7:23	9:53	#22910
23M	23.00 mi	14:43:38	3:37:48	9:29	12:35	10:04	#22867
24M	24.00 mi	14:53:02	3:47:12	9:29	9:24	9:24	#22788
40K	24.85 mi	15:00:53	3:55:03	9:28	7:51	9:11	#22649
25.2M	25.20 mi	15:04:20	3:58:30	9:28	3:27	10:01	#22605
FINISH	26.22 mi	15:13:18	4:07:28	9:27	8:58	8:48	#22509

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	F50-54	Seg. Overall	Seg. Females	Seg. F50-54
5K	3.11 mi	3.11 mi	23634	9490	9490	22479(Top 77%)	8864(Top 70%)	8864(Top 719%)
10K	6.21 mi	3.10 mi	23421+213	9368+122	9368+122	23117(Top 80%)	9219(Top 73%)	9219(Top 748%)
15K	9.32 mi	3.11 mi	23108+313	9199+169	9199+169	22479(Top 77%)	8864(Top 70%)	8864(Top 719%)
20K	12.43 mi	3.11 mi	22946+162	9131+68	9131+68	22544(Top 78%)	8936(Top 71%)	8936(Top 725%)
HALF	13.11 mi	0.68 mi	22952-6	9137-6	9137-6	23063(Top 79%)	9193(Top 73%)	9193(Top 746%)
25K	15.53 mi	2.42 mi	22911+41	9128+9	9128+9	22617(Top 78%)	8990(Top 71%)	8990(Top 729%)
30K	18.64 mi	3.11 mi	22892+19	9149-21	9149-21	22913(Top 79%)	9241(Top 73%)	9241(Top 749%)
20M	20.00 mi	1.36 mi	22928-36	9180-31	9180-31	23339(Top 80%)	9554(Top 76%)	9554(Top 775%)
21M	21.00 mi	1.00 mi	22913+15	9193-13	9193-13	23114(Top 80%)	9486(Top 75%)	9486(Top 769%)
35K	21.75 mi	0.75 mi	22910+3	9199-6	9199-6	22809(Top 79%)	9362(Top 74%)	9362(Top 759%)
23M	23.00 mi	1.25 mi	22867+43	9198+1	9198+1	22306(Top 77%)	9156(Top 73%)	9156(Top 743%)
24M	24.00 mi	1.00 mi	22788+79	9170+28	9170+28	21017(Top 72%)	8555(Top 68%)	8555(Top 694%)
40K	24.85 mi	0.85 mi	22649+139	9118+52	9118+52	19242(Top 66%)	7705(Top 61%)	7705(Top 625%)
25.2M	25.20 mi	0.35 mi	22605+44	9102+16	9102+16	19509(Top 67%)	7842(Top 62%)	7842(Top 636%)
FINISH	26.22 mi	1.02 mi	22509+96	9058+44	9058+44	19668(Top 68%)	7923(Top 63%)	7923(Top 643%)

7923

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.

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

Share Feedback

Quick Links

Explore more race data and athlete comparisons

All Results

Browse complete race results with filtering

→

Race Analytics

View race statistics, trends, and insights

→

Course Information

View interactive course map and elevation

→

Contact Time Management

Questions about your timing data or results

→

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

Yukiko Atsumi

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