Joost Koeken

Bib: 4100•M

0:00

0:00

/ mi

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Overall

#0 / 28404

Top 8%

Gender (Male)

#0 / 16105

Top 13%

Age Group (M18-39)

#0 / 5642

Top 31%

Race Day Weather

50°/40°F

broken clouds

⏱️ 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

20:05

Rank: #3551

Start → 5K

20:05 | 6:28/mi

5K· 3.11 mi

20:05

Rank: #3551

Start → 5K

20:05 | 6:28/mi

10K· 6.21 mi

40:08

Rank: #3460 (+91)

5K → 10K

20:03 | 6:27/mi

10K· 6.21 mi

40:08

Rank: #3460 (+91)

5K → 10K

20:03 | 6:27/mi

15K· 9.32 mi

1:00:18

Rank: #3450 (+10)

10K → 15K

20:10 | 6:29/mi

15K· 9.32 mi

1:00:18

Rank: #3450 (+10)

10K → 15K

20:10 | 6:29/mi

20K· 12.43 mi

1:20:23

Rank: #3278 (+172)

15K → 20K

20:05 | 6:28/mi

20K· 12.43 mi

1:20:23

Rank: #3278 (+172)

15K → 20K

20:05 | 6:28/mi

Half· 13.11 mi

1:24:48

Rank: #3288 (-10)

20K → Half

4:25 | 6:28/mi

Half· 13.11 mi

1:24:48

Rank: #3288 (-10)

20K → Half

4:25 | 6:28/mi

25K· 15.53 mi

1:40:26

Rank: #3160 (+128)

Half → 25K

15:38 | 6:27/mi

25K· 15.53 mi

1:40:26

Rank: #3160 (+128)

Half → 25K

15:38 | 6:27/mi

30K· 18.64 mi

2:01:03

Rank: #3000 (+160)

25K → 30K

20:37 | 6:38/mi

30K· 18.64 mi

2:01:03

Rank: #3000 (+160)

25K → 30K

20:37 | 6:38/mi

20M

2:10:09

Rank: #2921 (+79)

30K → 20M

9:06 | 6:42/mi

20M

2:10:09

Rank: #2921 (+79)

30K → 20M

9:06 | 6:42/mi

21M

2:17:09

Rank: #2846 (+75)

20M → 21M

7:00 | 7:00/mi

21M

2:17:09

Rank: #2846 (+75)

20M → 21M

7:00 | 7:00/mi

35K· 21.75 mi

2:21:46

Rank: #2750 (+96)

21M → 35K

4:37 | 6:10/mi

35K· 21.75 mi

2:21:46

Rank: #2750 (+96)

21M → 35K

4:37 | 6:10/mi

23M

2:29:44

Rank: #2569 (+181)

35K → 23M

7:58 | 6:22/mi

23M

2:29:44

Rank: #2569 (+181)

35K → 23M

7:58 | 6:22/mi

24M

2:35:57

Rank: #2460 (+109)

23M → 24M

6:13 | 6:13/mi

24M

2:35:57

Rank: #2460 (+109)

23M → 24M

6:13 | 6:13/mi

40K· 24.85 mi

2:41:25

Rank: #2377 (+83)

24M → 40K

5:28 | 6:24/mi

40K· 24.85 mi

2:41:25

Rank: #2377 (+83)

24M → 40K

5:28 | 6:24/mi

25.2M

2:43:50

Rank: #2346 (+31)

40K → 25.2M

2:25 | 7:00/mi

25.2M

2:43:50

Rank: #2346 (+31)

40K → 25.2M

2:25 | 7:00/mi

Finish· 26.22 mi

2:49:55

Rank: #2258 (+88)

25.2M → Finish

6:05 | 5:58/mi

Finish· 26.22 mi

2:49:55

Rank: #2258 (+88)

25.2M → Finish

6:05 | 5:58/mi

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Half Splits

1st Half· via Half⚖️ Balanced

Distance13.11 mi

Time1:24:48

Pace6:28 /mi

2nd Half⚖️ Balanced

Distance13.11 mi

Time1:25:07

Pace6:30 /mi

📊Even Split: Consistent pacing between halves

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	10:21:59	20:05	6:28	20:05	6:28	-
10K	6.21 mi	10:42:02	40:08	6:28	20:03	6:27	-0:01
15K	9.32 mi	11:02:12	1:00:18	6:28	20:10	6:29	+0:02
20K	12.43 mi	11:22:17	1:20:23	6:28	20:05	6:28	-0:01
Half	13.11 mi	11:26:42	1:24:48	6:28	4:25	6:28	0:00
25K	15.53 mi	11:42:20	1:40:26	6:28	15:38	6:27	-0:01
30K	18.64 mi	12:02:57	2:01:03	6:30	20:37	6:38	+0:11
20M	20.00 mi	12:12:03	2:10:09	6:30	9:06	6:42	+0:04
21M	21.00 mi	12:19:03	2:17:09	6:32	7:00	7:00	+0:18
35K	21.75 mi	12:23:40	2:21:46	6:31	4:37	6:10	-0:50
23M	23.00 mi	12:31:38	2:29:44	6:31	7:58	6:22	+0:12
24M	24.00 mi	12:37:51	2:35:57	6:30	6:13	6:13	-0:09
40K	24.85 mi	12:43:19	2:41:25	6:30	5:28	6:24	+0:11
25.2M	25.20 mi	12:45:44	2:43:50	6:30	2:25	7:00	+0:36
Finish	26.22 mi	12:51:49	2:49:55	6:29	6:05	5:58	-1:02

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

5:58 /mi

Average Pace

6:29 /mi

Slowest Pace

7:00 /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

2:10:47

77% of race

Time at Steady Pace

39:08

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:29 /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	10:21:59	20:05	6:28	20:05	6:28	#3551
10K	6.21 mi	10:42:02	40:08	6:28	20:03	6:27	#3460
15K	9.32 mi	11:02:12	1:00:18	6:28	20:10	6:29	#3450
20K	12.43 mi	11:22:17	1:20:23	6:28	20:05	6:28	#3278
Half	13.11 mi	11:26:42	1:24:48	6:28	4:25	6:28	#3288
25K	15.53 mi	11:42:20	1:40:26	6:28	15:38	6:27	#3160
30K	18.64 mi	12:02:57	2:01:03	6:30	20:37	6:38	#3000
20M	20.00 mi	12:12:03	2:10:09	6:30	9:06	6:42	#2921
21M	21.00 mi	12:19:03	2:17:09	6:32	7:00	7:00	#2846
35K	21.75 mi	12:23:40	2:21:46	6:31	4:37	6:10	#2750
23M	23.00 mi	12:31:38	2:29:44	6:31	7:58	6:22	#2569
24M	24.00 mi	12:37:51	2:35:57	6:30	6:13	6:13	#2460
40K	24.85 mi	12:43:19	2:41:25	6:30	5:28	6:24	#2377
25.2M	25.20 mi	12:45:44	2:43:50	6:30	2:25	7:00	#2346
Finish	26.22 mi	12:51:49	2:49:55	6:29	6:05	5:58	#2258

Faster pace

Steady pace

Slower pace

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	3551	3372	3372	3493(Top 12%)	3304(Top 21%)	3304(Top 59%)
10K	6.21 mi	3.10 mi	3460+91	3284+88	3284+88	3376(Top 12%)	3205(Top 20%)	3205(Top 57%)
15K	9.32 mi	3.11 mi	3450+10	3275+9	3275+9	3493(Top 12%)	3304(Top 21%)	3304(Top 59%)
20K	12.43 mi	3.11 mi	3278+172	3121+154	3121+154	2894(Top 10%)	2756(Top 17%)	2756(Top 49%)
Half	13.11 mi	0.68 mi	3288-10	3131-10	3131-10	3445(Top 12%)	3261(Top 20%)	3261(Top 58%)
25K	15.53 mi	2.42 mi	3160+128	3011+120	3011+120	2590(Top 9%)	2464(Top 15%)	2464(Top 44%)
30K	18.64 mi	3.11 mi	3000+160	2858+153	2858+153	2562(Top 9%)	2423(Top 15%)	2423(Top 43%)
20M	20.00 mi	1.36 mi	2921+79	2780+78	2780+78	2429(Top 9%)	2290(Top 14%)	2290(Top 41%)
21M	21.00 mi	1.00 mi	2846+75	2708+72	2708+72	2239(Top 8%)	2090(Top 13%)	2090(Top 37%)
35K	21.75 mi	0.75 mi	2750+96	2616+92	2616+92	1150(Top 4%)	1085(Top 7%)	1085(Top 19%)
23M	23.00 mi	1.25 mi	2569+181	2445+171	2445+171	1047(Top 4%)	990(Top 6%)	990(Top 18%)
24M	24.00 mi	1.00 mi	2460+109	2340+105	2340+105	1083(Top 4%)	1019(Top 6%)	1019(Top 18%)
40K	24.85 mi	0.85 mi	2377+83	2259+81	2259+81	1251(Top 4%)	1164(Top 7%)	1164(Top 21%)
25.2M	25.20 mi	0.35 mi	2346+31	2227+32	2227+32	1499(Top 5%)	1370(Top 9%)	1370(Top 24%)
Finish	26.22 mi	1.02 mi	2258+88	2143+84	2143+84	843(Top 3%)	796(Top 5%)	796(Top 14%)

796

Passing Analysis

Category:

Athletes Passed

1640

Passed By

347

Net Change

+1293

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#3551
5K → 10K	191	100	+91	#3551	#3460
10K → 15K	107	97	+10	#3460	#3450
15K → 20K	193	21	+172	#3450	#3278
20K → Half	12	22	-10	#3278	#3288
Half → 25K	148	20	+128	#3288	#3160
25K → 30K	200	40	+160	#3160	#3000
30K → 20M	96	17	+79	#3000	#2921
20M → 21M	89	14	+75	#2921	#2846
21M → 35K	96	0	+96	#2846	#2750
35K → 23M	182	1	+181	#2750	#2569
23M → 24M	111	2	+109	#2569	#2460
24M → 40K	87	4	+83	#2460	#2377
40K → 25.2M	36	5	+31	#2377	#2346
25.2M → Finish	92	4	+88	#2346	#2258
TOTALS	1640	347	+1293

📊

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 3 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

Joost Koeken

⏱️ 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