Keiji Terazawa

Bib: 17524•M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 26622

Top 34%

Gender (Male)

#0 / 15176

Top 48%

Masters (Masters Men)

#0 / 9891

Top 37%

Age Group (M60-64)

#0 / 1110

Top 7%

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

22:33

Rank: #7845

Start → 5K

22:33 | 7:15/mi

5K· 3.11 mi

22:33

Rank: #7845

Start → 5K

22:33 | 7:15/mi

10K· 6.21 mi

45:17

Rank: #8360 (-515)

5K → 10K

22:44 | 7:19/mi

10K· 6.21 mi

45:17

Rank: #8360 (-515)

5K → 10K

22:44 | 7:19/mi

15K· 9.32 mi

1:08:08

Rank: #8526 (-166)

10K → 15K

22:51 | 7:21/mi

15K· 9.32 mi

1:08:08

Rank: #8526 (-166)

10K → 15K

22:51 | 7:21/mi

20K· 12.43 mi

1:31:04

Rank: #8447 (+79)

15K → 20K

22:56 | 7:23/mi

20K· 12.43 mi

1:31:04

Rank: #8447 (+79)

15K → 20K

22:56 | 7:23/mi

Half· 13.11 mi

1:36:03

Rank: #8460 (-13)

20K → Half

4:59 | 7:18/mi

Half· 13.11 mi

1:36:03

Rank: #8460 (-13)

20K → Half

4:59 | 7:18/mi

25K· 15.53 mi

1:54:04

Rank: #8391 (+69)

Half → 25K

18:01 | 7:26/mi

25K· 15.53 mi

1:54:04

Rank: #8391 (+69)

Half → 25K

18:01 | 7:26/mi

30K· 18.64 mi

2:18:23

Rank: #8545 (-154)

25K → 30K

24:19 | 7:50/mi

30K· 18.64 mi

2:18:23

Rank: #8545 (-154)

25K → 30K

24:19 | 7:50/mi

20M

2:29:20

Rank: #8691 (-146)

30K → 20M

10:57 | 8:03/mi

20M

2:29:20

Rank: #8691 (-146)

30K → 20M

10:57 | 8:03/mi

21M

2:37:36

Rank: #8689 (+2)

20M → 21M

8:16 | 8:16/mi

21M

2:37:36

Rank: #8689 (+2)

20M → 21M

8:16 | 8:16/mi

35K· 21.75 mi

2:43:27

Rank: #8751 (-62)

21M → 35K

5:51 | 7:49/mi

35K· 21.75 mi

2:43:27

Rank: #8751 (-62)

21M → 35K

5:51 | 7:49/mi

23M

2:53:51

Rank: #8918 (-167)

35K → 23M

10:24 | 8:18/mi

23M

2:53:51

Rank: #8918 (-167)

35K → 23M

10:24 | 8:18/mi

24M

3:01:51

Rank: #8993 (-75)

23M → 24M

8:00 | 8:00/mi

24M

3:01:51

Rank: #8993 (-75)

23M → 24M

8:00 | 8:00/mi

40K· 24.85 mi

3:08:45

Rank: #9033 (-40)

24M → 40K

6:54 | 8:04/mi

40K· 24.85 mi

3:08:45

Rank: #9033 (-40)

24M → 40K

6:54 | 8:04/mi

25.2M

3:11:36

Rank: #9002 (+31)

40K → 25.2M

2:51 | 8:16/mi

25.2M

3:11:36

Rank: #9002 (+31)

40K → 25.2M

2:51 | 8:16/mi

Finish· 26.22 mi

3:19:26

Rank: #9027 (-25)

25.2M → Finish

7:50 | 7:41/mi

Finish· 26.22 mi

3:19:26

Rank: #9027 (-25)

25.2M → Finish

7:50 | 7:41/mi

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time1:36:03

Pace7:20 /mi

2nd Half

Distance13.11 mi

Time1:43:23

Pace7:53 /mi

📊Positive Split: 7.6% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:13:09	22:33	7:15	22:33	7:15	-
10K	6.21 mi	11:35:53	45:17	7:17	22:44	7:19	+0:04
15K	9.32 mi	11:58:44	1:08:08	7:19	22:51	7:21	+0:02
20K	12.43 mi	12:21:40	1:31:04	7:20	22:56	7:23	+0:02
Half	13.11 mi	12:26:39	1:36:03	7:20	4:59	7:18	-0:05
25K	15.53 mi	12:44:40	1:54:04	7:21	18:01	7:26	+0:08
30K	18.64 mi	13:08:59	2:18:23	7:25	24:19	7:50	+0:24
20M	20.00 mi	13:19:56	2:29:20	7:28	10:57	8:03	+0:13
21M	21.00 mi	13:28:12	2:37:36	7:30	8:16	8:16	+0:13
35K	21.75 mi	13:34:03	2:43:27	7:31	5:51	7:49	-0:27
23M	23.00 mi	13:44:27	2:53:51	7:34	10:24	8:18	+0:29
24M	24.00 mi	13:52:27	3:01:51	7:35	8:00	8:00	-0:18
40K	24.85 mi	13:59:21	3:08:45	7:36	6:54	8:04	+0:04
25.2M	25.20 mi	14:02:12	3:11:36	7:36	2:51	8:16	+0:12
Finish	26.22 mi	14:10:02	3:19:26	7:37	7:50	7:41	-0:35

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

7:15 /mi

Average Pace

7:37 /mi

Slowest Pace

8:18 /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

2:32:04

76% of race

Time at Steady Pace

47:22

24% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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	11:13:09	22:33	7:15	22:33	7:15	#7845
10K	6.21 mi	11:35:53	45:17	7:17	22:44	7:19	#8360
15K	9.32 mi	11:58:44	1:08:08	7:19	22:51	7:21	#8526
20K	12.43 mi	12:21:40	1:31:04	7:20	22:56	7:23	#8447
Half	13.11 mi	12:26:39	1:36:03	7:20	4:59	7:18	#8460
25K	15.53 mi	12:44:40	1:54:04	7:21	18:01	7:26	#8391
30K	18.64 mi	13:08:59	2:18:23	7:25	24:19	7:50	#8545
20M	20.00 mi	13:19:56	2:29:20	7:28	10:57	8:03	#8691
21M	21.00 mi	13:28:12	2:37:36	7:30	8:16	8:16	#8689
35K	21.75 mi	13:34:03	2:43:27	7:31	5:51	7:49	#8751
23M	23.00 mi	13:44:27	2:53:51	7:34	10:24	8:18	#8918
24M	24.00 mi	13:52:27	3:01:51	7:35	8:00	8:00	#8993
40K	24.85 mi	13:59:21	3:08:45	7:36	6:54	8:04	#9033
25.2M	25.20 mi	14:02:12	3:11:36	7:36	2:51	8:16	#9002
Finish	26.22 mi	14:10:02	3:19:26	7:37	7:50	7:41	#9027

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M60-64	Seg. Overall	Seg. Males	Seg. M60-64
5K	3.11 mi	3.11 mi	7845	6871	6871	8966(Top 34%)	7522(Top 50%)	7522(Top 678%)
10K	6.21 mi	3.10 mi	8360-515	7188-317	7188-317	8971(Top 34%)	7566(Top 50%)	7566(Top 682%)
15K	9.32 mi	3.11 mi	8526-166	7284-96	7284-96	8966(Top 34%)	7522(Top 50%)	7522(Top 678%)
20K	12.43 mi	3.11 mi	8447+79	7221+63	7221+63	8369(Top 31%)	7112(Top 47%)	7112(Top 641%)
Half	13.11 mi	0.68 mi	8460-13	7226-5	7226-5	8613(Top 32%)	7277(Top 48%)	7277(Top 656%)
25K	15.53 mi	2.42 mi	8391+69	7161+65	7161+65	8251(Top 31%)	6974(Top 46%)	6974(Top 628%)
30K	18.64 mi	3.11 mi	8545-154	7222-61	7222-61	9551(Top 36%)	7593(Top 50%)	7593(Top 684%)
20M	20.00 mi	1.36 mi	8691-146	7291-69	7291-69	10665(Top 40%)	8076(Top 53%)	8076(Top 728%)
21M	21.00 mi	1.00 mi	8689+2	7275+16	7275+16	8996(Top 34%)	7065(Top 47%)	7065(Top 636%)
35K	21.75 mi	0.75 mi	8751-62	7305-30	7305-30	10753(Top 40%)	7976(Top 53%)	7976(Top 719%)
23M	23.00 mi	1.25 mi	8918-167	7371-66	7371-66	11898(Top 45%)	8416(Top 55%)	8416(Top 758%)
24M	24.00 mi	1.00 mi	8993-75	7387-16	7387-16	11200(Top 42%)	7984(Top 53%)	7984(Top 719%)
40K	24.85 mi	0.85 mi	9033-40	7401-14	7401-14	10467(Top 39%)	7579(Top 50%)	7579(Top 683%)
25.2M	25.20 mi	0.35 mi	9002+31	7371+30	7371+30	8046(Top 30%)	6206(Top 41%)	6206(Top 559%)
Finish	26.22 mi	1.02 mi	9027-25	7355+16	7355+16	9868(Top 37%)	7213(Top 48%)	7213(Top 650%)

7213

Passing Analysis

Category:

Athletes Passed

917

Passed By

2099

Net Change

-1182

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#7845
5K → 10K	51	566	-515	#7845	#8360
10K → 15K	86	252	-166	#8360	#8526
15K → 20K	174	95	+79	#8526	#8447
20K → Half	17	30	-13	#8447	#8460
Half → 25K	130	61	+69	#8460	#8391
25K → 30K	102	256	-154	#8391	#8545
30K → 20M	43	189	-146	#8545	#8691
20M → 21M	74	72	+2	#8691	#8689
21M → 35K	26	88	-62	#8689	#8751
35K → 23M	31	198	-167	#8751	#8918
23M → 24M	49	124	-75	#8918	#8993
24M → 40K	35	75	-40	#8993	#9033
40K → 25.2M	41	10	+31	#9033	#9002
25.2M → Finish	58	83	-25	#9002	#9027
TOTALS	917	2099	-1182

📊

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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Results processed 2 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

Keiji Terazawa

⏱️ 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