Sonia Brittain

Burlingame, CA

Bib: 947 F 48

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 1953

Top 48%

Gender (Female)

#0 / 802

Top 38%

Masters (Masters Women)

#0 / 252

Top 31%

Division (F45-49)

#0 / 56

Top 27%

Race Day Weather

55°/45°F

broken clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

343 ft elev

6.2M

9:05/mi

56:22

↑ 218 ft↓ 323 ft0.3% grade

236 ft elev

10M

9:08/mi

1:31:06

↑ 58 ft↓ 86 ft0.1% grade

204 ft elev

13.1M

9:15/mi

1:59:48

↑ 71 ft↓ 125 ft0.3% grade

152 ft elev

16.2M

9:47/mi

2:30:09

↑ 118 ft↓ 72 ft0.3% grade

196 ft elev

20M

9:35/mi

3:06:36

↑ 77 ft↓ 145 ft0.3% grade

125 ft elev

Finish· 26.22 mi

9:30/mi

4:05:41

↑ 64 ft↓ 131 ft0.2% grade

60 ft elev

Course Elevation

58–411 ft

≈

×1redwood tree

•▲ 611 ft climb · ▼ 894 ft descent

The Course

Half Splits

1st Half· via 13.1M

1:59:489:09 /mi⚡ faster

2nd Half

2:05:539:36 /mi+5.1%

Positive split — 5.1% 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
6.2M	56:22	9:05	6.20 mi	56:22	9:05	-
10M	1:31:06	9:07	3.80 mi	34:44	9:08	+0:03
13.1M	1:59:48	9:09	3.10 mi	28:42	9:15	+0:07
16.2M	2:30:09	9:16	3.10 mi	30:21	9:47	+0:32
20M	3:06:36	9:20	3.80 mi	36:27	9:35	-0:12
Finish(26.22 mi)	4:05:41	9:23	6.22 mi	59:05	9:30	-0:05

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:05 /mi

Average Pace

9:23 /mi

Slowest Pace

9:47 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:58:53

73% of race

Time at Steady Pace

1:06:48

27% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:22 /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	Females	F45-49	Seg. Overall	Seg. Females	Seg. F45-49
6.2M	6.20 mi	999	302	18	989	316	18
10M	3.80 mi	1040-41	320-18	18	975	295	19
13.1M	3.10 mi	1023+17	312+8	18	991	303	17
16.2M	3.10 mi	947+76	295+17	16+2	989	316	18
20M	3.80 mi	980-33	298-3	15+1	766	223	11
Finish(26.22 mi)	6.22 mi	932+48	302-4	15	772	247	14

F45-49

Passing Analysis

Category:

▲Net Change

0 passed by0* passed

Segment	Movement	Rank
Start → 6.2M	-	#999
6.2M → 10M	1419-41	#999 → #1040
10M → 13.1M	1532*+17	#1040 → #1023
13.1M → 16.2M	27103*+76	#1023 → #947
16.2M → 20M	955-33	#947 → #980
20M → Finish	985+48	#980 → #932
TOTALS	74294*+67	#999 → #932

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed about 1 month ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Blistering Pace Race Management

Race timed by

SVE Timing

Sonia Brittain

Race Timeline

The Course

Half Splits

Your race, unpacked

Checkpoint Splits

Checkpoints & Pacing

Pace Line

Segments

Heatmap

Checkpoint and Segment Rankings

Segment Performance Analysis

13.1M→16.2M

6.2M→10M

10M→13.1M

13.1M→16.2M

16.2M→20M

20M→Finish

Passing Analysis

Passing Visualized

Passing Circle

Position Flow

Race Lanes

Age Grade

Export Track Data

Questions or issues regarding timing data?

Quick Links

All Results

Public Race Data