Ronald Ouwerkerk

Bib: 17788 M NL

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 25550

Gender (Male)

#0 / 14578

Masters (Masters Men)

#0 / 9729

Division (M55-59)

#0 / 1529

Race Day Weather

55°/45°F

scattered clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

469 ft elev

5K· 3.11 mi

7:33/mi

23:27

↑ 97 ft↓ 345 ft1.5% grade

220 ft elev

10K· 6.21 mi

7:41/mi

47:19

↑ 79 ft↓ 138 ft0.4% grade

157 ft elev

15K· 9.32 mi

8:14/mi

1:12:54

↑ 67 ft↓ 78 ft

146 ft elev

20K· 12.43 mi

8:47/mi

1:40:10

↑ 106 ft↓ 86 ft0.1% grade

165 ft elev

Half· 13.11 mi

8:39/mi

1:46:04

↑ 19 ft↓ 37 ft0.5% grade

148 ft elev

25K· 15.53 mi

9:03/mi

2:08:01

↑ 66 ft↓ 88 ft0.2% grade

127 ft elev

30K· 18.64 mi

9:45/mi

2:38:17

↑ 181 ft↓ 148 ft0.2% grade

138 ft elev

20M

9:45/mi

2:51:32

↑ 64 ft↓ 50 ft0.2% grade

148 ft elev

21M

10:16/mi

3:01:48

↑ 106 ft↓ 24 ft1.6% grade

227 ft elev

35K· 21.75 mi

9:37/mi

3:09:00

↑ 17 ft↓ 86 ft1.7% grade

156 ft elev

23M

9:52/mi

3:21:21

↑ 23 ft↓ 63 ft0.6% grade

116 ft elev

24M

10:24/mi

3:31:45

↓ 82 ft1.3% grade

34 ft elev

40K· 24.85 mi

10:36/mi

3:40:49

↓ 20 ft0.3% grade

20 ft elev

25.2M

11:50/mi

3:44:54

↑ 13 ft↓ 16 ft0.2% grade

18 ft elev

Finish· 26.22 mi

9:33/mi

3:54:38

↑ 22 ft↓ 21 ft

17 ft elev

Course Elevation

7–469 ft

≈

×2stacked redwood trees

•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half

1:46:048:05 /mi⚡ faster

2nd Half

2:08:349:48 /mi+21.2%

Positive split — 21.2% slower in the second half

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See your splits, ranks & AI insights.

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	23:27	7:33	3.11 mi	23:27	7:33	-
10K	47:19	7:37	3.10 mi	23:52	7:41	+0:08
15K	1:12:54	7:49	3.11 mi	25:35	8:14	+0:33
20K	1:40:10	8:04	3.11 mi	27:16	8:47	+0:33
Half(13.11 mi)	1:46:04	8:05	0.68 mi	5:54	8:39	-0:08
25K	2:08:01	8:14	2.42 mi	21:57	9:03	+0:24
30K	2:38:17	8:29	3.11 mi	30:16	9:45	+0:42
20M	2:51:32	8:35	1.36 mi	13:15	9:45	0:00
21M	3:01:48	8:39	1.00 mi	10:16	10:16	+0:31
35K	3:09:00	8:41	0.75 mi	7:12	9:37	-0:39
23M	3:21:21	8:45	1.25 mi	12:21	9:52	+0:15
24M	3:31:45	8:49	1.00 mi	10:24	10:24	+0:32
40K	3:40:49	8:53	0.85 mi	9:04	10:36	+0:12
25.2M	3:44:54	8:55	0.35 mi	4:05	11:50	+1:14
Finish(26.22 mi)	3:54:38	8:57	1.02 mi	9:44	9:33	-2:17

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:33 /mi

Average Pace

8:57 /mi

Slowest Pace

11:50 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:08:01

55% of race

Time at Steady Pace

1:12:48

31% of race

Time at Slower Pace

33:49

14% of race

Average Pace: 8:57 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Males	M55-59	Seg. Overall	Seg. Males	Seg. M55-59
5K	3.11 mi	11166	8492	8492	14905	9962	9962
10K	3.10 mi	11374-208	8536-44	8536-44	11730	8657	8657
15K	3.11 mi	12684-1310	9086-550	9086-550	14905	9962	9962
20K	3.11 mi	13821-1137	9535-449	9535-449	16256	10479	10479
Half(13.11 mi)	0.68 mi	13956-135	9585-50	9585-50	16485	10515	10515
25K	2.42 mi	14293-337	9687-102	9687-102	15733	10126	10126
30K	3.11 mi	14762-469	9798-111	9798-111	16390	10178	10178
20M	1.36 mi	14830-68	9782+16	9782+16	15545	9539	9539
21M	1.00 mi	14795+35	9717+65	9717+65	13986	8653	8653
35K	0.75 mi	14841-46	9699+18	9699+18	15907	9571	9571
23M	1.25 mi	14856-15	9649+50	9649+50	14977	9040	9040
24M	1.00 mi	15031-175	9687-38	9687-38	17558	10274	10274
40K	0.85 mi	15143-112	9699-12	9699-12	16973	9921	9921
25.2M	0.35 mi	15175-32	9697+2	9697+2	16930	9888	9888
Finish(26.22 mi)	1.02 mi	15229-54	9706-9	9706-9	16738	9817	9817

9817

Passing Analysis

Category:

Passed

1194

Passed By

5257

Net Change

-4063

Segment	Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#11166
5K → 10K	197	405	-208	#11166	#11374
10K → 15K	26	1336	-1310	#11374	#12684
15K → 20K	62	1199	-1137	#12684	#13821
20K → Half	15	150	-135	#13821	#13956
Half → 25K	123	460	-337	#13956	#14293
25K → 30K	141	610	-469	#14293	#14762
30K → 20M	106	174	-68	#14762	#14830
20M → 21M	143	108	+35	#14830	#14795
21M → 35K	61	107	-46	#14795	#14841
35K → 23M	122	137	-15	#14841	#14856
23M → 24M	53	228	-175	#14856	#15031
24M → 40K	64	176	-112	#15031	#15143
40K → 25.2M	25	57	-32	#15143	#15175
25.2M → Finish	56	110	-54	#15175	#15229
TOTALS	1194	5257	-4063

Passing Charts

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed about 1 month ago

Public Race Data

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Race managed by

Boston Athletic Association

Race timed by

Mika Timing