David Ahern

Bib: 3730 M IE

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 29021

Top 41%

Gender (Male)

#0 / 16340

Masters (Masters Men)

#0 / 10617

Top 44%

Division (M50-54)

#0 / 1868

Top 49%

Race Day Weather

51°/41°F

overcast clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

469 ft elev

5K· 3.11 mi

6:31/mi

20:13

↑ 97 ft↓ 345 ft1.5% grade

220 ft elev

10K· 6.21 mi

6:28/mi

40:16

↑ 79 ft↓ 138 ft0.4% grade

157 ft elev

15K· 9.32 mi

6:32/mi

1:00:33

↑ 67 ft↓ 78 ft

146 ft elev

20K· 12.43 mi

7:58/mi

1:25:17

↑ 106 ft↓ 86 ft0.1% grade

165 ft elev

HALF· 13.11 mi

7:32/mi

1:30:25

↑ 19 ft↓ 37 ft0.5% grade

148 ft elev

25K· 15.53 mi

7:47/mi

1:49:17

↑ 66 ft↓ 88 ft0.2% grade

127 ft elev

30K· 18.64 mi

7:42/mi

2:13:10

↑ 181 ft↓ 148 ft0.2% grade

138 ft elev

20M

7:44/mi

2:23:40

↑ 64 ft↓ 50 ft0.2% grade

148 ft elev

21M

8:15/mi

2:31:55

↑ 106 ft↓ 24 ft1.6% grade

227 ft elev

35K· 21.75 mi

8:10/mi

2:38:01

↑ 17 ft↓ 86 ft1.7% grade

156 ft elev

23M

9:21/mi

2:49:43

↑ 23 ft↓ 63 ft0.6% grade

116 ft elev

24M

8:44/mi

2:58:27

↓ 82 ft1.3% grade

34 ft elev

40K· 24.85 mi

9:41/mi

3:06:43

↓ 20 ft0.3% grade

20 ft elev

25.2M

11:02/mi

3:10:31

↑ 13 ft↓ 16 ft0.2% grade

18 ft elev

FINISH· 26.22 mi

9:49/mi

3:20:31

↑ 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

1:30:256:54 /mi⚡ faster

2nd Half

1:50:068:24 /mi+21.8%

Positive split — 21.8% 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	20:13	6:31	3.11 mi	20:13	6:31	-
10K	40:16	6:29	3.10 mi	20:03	6:28	-0:03
15K	1:00:33	6:30	3.11 mi	20:17	6:32	+0:04
20K	1:25:17	6:52	3.11 mi	24:44	7:58	+1:26
HALF(13.11 mi)	1:30:25	6:54	0.68 mi	5:08	7:32	-0:26
25K	1:49:17	7:03	2.42 mi	18:52	7:47	+0:15
30K	2:13:10	7:09	3.11 mi	23:53	7:42	-0:05
20M	2:23:40	7:12	1.36 mi	10:30	7:44	+0:02
21M	2:31:55	7:15	1.00 mi	8:15	8:15	+0:31
35K	2:38:01	7:16	0.75 mi	6:06	8:10	-0:05
23M	2:49:43	7:23	1.25 mi	11:42	9:21	+1:11
24M	2:58:27	7:27	1.00 mi	8:44	8:44	-0:37
40K	3:06:43	7:31	0.85 mi	8:16	9:41	+0:57
25.2M	3:10:31	7:34	0.35 mi	3:48	11:02	+1:21
FINISH(26.22 mi)	3:20:31	7:40	1.02 mi	10:00	9:49	-1:13

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:28 /mi

Average Pace

7:39 /mi

Slowest Pace

11:02 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:00:33

30% of race

Time at Steady Pace

1:37:28

49% of race

Time at Slower Pace

42:30

21% of race

Average Pace: 7:39 /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	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
5K	3.11 mi	4261	4036	4036	4439	4179	4179
10K	3.10 mi	4036+225	3833+203	3833+203	3888	3695	3695
15K	3.11 mi	4142-106	3928-95	3928-95	4439	4179	4179
20K	3.11 mi	7256-3114	6365-2437	6365-2437	15817	10467	10467
HALF(13.11 mi)	0.68 mi	7578-322	6601-236	6601-236	13201	9446	9446
25K	2.42 mi	8430-852	7121-520	7121-520	13654	9502	9502
30K	3.11 mi	8793-363	7304-183	7304-183	11134	8266	8266
20M	1.36 mi	8891-98	7326-22	7326-22	10826	7998	7998
21M	1.00 mi	9009-118	7360-34	7360-34	11510	8214	8214
35K	0.75 mi	9223-214	7468-108	7468-108	15453	9946	9946
23M	1.25 mi	9970-747	7818-350	7818-350	20001	11943	11943
24M	1.00 mi	10436-466	8014-196	8014-196	18160	11019	11019
40K	0.85 mi	10961-525	8255-241	8255-241	20929	12304	12304
25.2M	0.35 mi	11242-281	8392-137	8392-137	22369	13000	13000
FINISH(26.22 mi)	1.02 mi	12023-781	8709-317	8709-317	23307	13451	13451

13451

Passing Analysis

Category:

▼Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#4261
5K → 10K	59284+225	#4261 → #4036
10K → 15K	16761-106	#4036 → #4142
15K → 20K	31151-3114	#4142 → #7256
20K → HALF	3253-322	#7256 → #7578
HALF → 25K	87321-852	#7578 → #8430
25K → 30K	44279-363	#8430 → #8793
30K → 20M	16062-98	#8793 → #8891
20M → 21M	16850-118	#8891 → #9009
21M → 35K	23622-214	#9009 → #9223
35K → 23M	76417-747	#9223 → #9970
23M → 24M	48621-466	#9970 → #10436
24M → 40K	5316-525	#10436 → #10961
40K → 25.2M	2832-281	#10961 → #11242
25.2M → FINISH	7898-781	#11242 → #12023
TOTALS	8398637-7762	#4261 → #12023

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed about 2 months ago

Public Race Data

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Race managed by

Boston Athletic Association

Race timed by

Mika Timing