Mike Guffey

Bib: 29796 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 25550

Gender (Male)

#0 / 14578

Masters (Masters Men)

#0 / 9729

Division (M40-44)

#0 / 2009

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

9:21/mi

29:04

↑ 97 ft↓ 345 ft1.5% grade

220 ft elev

10K· 6.21 mi

9:30/mi

58:35

↑ 79 ft↓ 138 ft0.4% grade

157 ft elev

15K· 9.32 mi

9:17/mi

1:27:27

↑ 67 ft↓ 78 ft

146 ft elev

20K· 12.43 mi

9:14/mi

1:56:07

↑ 106 ft↓ 86 ft0.1% grade

165 ft elev

Half· 13.11 mi

8:54/mi

2:02:11

↑ 19 ft↓ 37 ft0.5% grade

148 ft elev

25K· 15.53 mi

10:08/mi

2:26:45

↑ 66 ft↓ 88 ft0.2% grade

127 ft elev

30K· 18.64 mi

12:08/mi

3:04:26

↑ 181 ft↓ 148 ft0.2% grade

138 ft elev

20M

12:22/mi

3:21:15

↑ 64 ft↓ 50 ft0.2% grade

148 ft elev

21M

13:46/mi

3:35:01

↑ 106 ft↓ 24 ft1.6% grade

227 ft elev

35K· 21.75 mi

11:40/mi

3:43:45

↑ 17 ft↓ 86 ft1.7% grade

156 ft elev

23M

12:45/mi

3:59:43

↑ 23 ft↓ 63 ft0.6% grade

116 ft elev

24M

14:03/mi

4:13:46

↓ 82 ft1.3% grade

34 ft elev

40K· 24.85 mi

13:15/mi

4:25:06

↓ 20 ft0.3% grade

20 ft elev

25.2M

16:03/mi

4:30:38

↑ 13 ft↓ 16 ft0.2% grade

18 ft elev

Finish· 26.22 mi

12:19/mi

4:43:11

↑ 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

2:02:119:19 /mi⚡ faster

2nd Half

2:41:0012:17 /mi+31.8%

Positive split — 31.8% slower in the second half

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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	29:04	9:21	3.11 mi	29:04	9:21	-
10K	58:35	9:26	3.10 mi	29:31	9:30	+0:09
15K	1:27:27	9:23	3.11 mi	28:52	9:17	-0:13
20K	1:56:07	9:21	3.11 mi	28:40	9:14	-0:03
Half(13.11 mi)	2:02:11	9:19	0.68 mi	6:04	8:54	-0:20
25K	2:26:45	9:27	2.42 mi	24:34	10:08	+1:14
30K	3:04:26	9:54	3.11 mi	37:41	12:08	+2:00
20M	3:21:15	10:04	1.36 mi	16:49	12:22	+0:14
21M	3:35:01	10:14	1.00 mi	13:46	13:46	+1:24
35K	3:43:45	10:17	0.75 mi	8:44	11:40	-2:06
23M	3:59:43	10:25	1.25 mi	15:58	12:45	+1:05
24M	4:13:46	10:34	1.00 mi	14:03	14:03	+1:18
40K	4:25:06	10:40	0.85 mi	11:20	13:15	-0:48
25.2M	4:30:38	10:44	0.35 mi	5:32	16:03	+2:48
Finish(26.22 mi)	4:43:11	10:49	1.02 mi	12:33	12:19	-3:44

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:54 /mi

Average Pace

10:49 /mi

Slowest Pace

16:03 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:26:45

52% of race

Time at Steady Pace

1:31:45

32% of race

Time at Slower Pace

44:41

16% of race

Average Pace: 10:48 /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	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
5K	3.11 mi	21289	12681	12681	19993	12167	12167
10K	3.10 mi	21346-57	12744-63	12744-63	21365	12747	12747
15K	3.11 mi	20883+463	12538+206	12538+206	19993	12167	12167
20K	3.11 mi	20253+630	12257+281	12257+281	18284	11383	11383
Half(13.11 mi)	0.68 mi	20143+110	12202+55	12202+55	17757	11068	11068
25K	2.42 mi	20008+135	12127+75	12127+75	19457	11797	11797
30K	3.11 mi	20507-499	12310-183	12310-183	22170	12890	12890
20M	1.36 mi	20621-114	12319-9	12319-9	21963	12681	12681
21M	1.00 mi	20718-97	12335-16	12335-16	21997	12664	12664
35K	0.75 mi	20755-37	12333+2	12333+2	21210	12215	12215
23M	1.25 mi	20851-96	12349-16	12349-16	22123	12649	12649
24M	1.00 mi	21054-203	12429-80	12429-80	24221	13725	13725
40K	0.85 mi	21138-84	12456-27	12456-27	22634	12827	12827
25.2M	0.35 mi	21221-83	12478-22	12478-22	24077	13629	13629
Finish(26.22 mi)	1.02 mi	21323-102	12514-36	12514-36	23639	13359	13359

13359

Passing Analysis

Category:

Passed

1997

Passed By

2031

Net Change

-34

Segment	Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#21289
5K → 10K	219	276	-57	#21289	#21346
10K → 15K	482	19	+463	#21346	#20883
15K → 20K	636	6	+630	#20883	#20253
20K → Half	112	2	+110	#20253	#20143
Half → 25K	226	91	+135	#20143	#20008
25K → 30K	47	546	-499	#20008	#20507
30K → 20M	61	175	-114	#20507	#20621
20M → 21M	40	137	-97	#20621	#20718
21M → 35K	43	80	-37	#20718	#20755
35K → 23M	48	144	-96	#20755	#20851
23M → 24M	22	225	-203	#20851	#21054
24M → 40K	23	107	-84	#21054	#21138
40K → 25.2M	11	94	-83	#21138	#21221
25.2M → Finish	27	129	-102	#21221	#21323
TOTALS	1997	2031	-34

Passing Charts

Category:

Passing Circle

Position Flow

Race Lanes

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Race managed by

Boston Athletic Association

Race timed by

Mika Timing