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SF MARATHON 2ND HALF 2026

Heather Penny Knuff

Hillsborough, CA

Bib: 23609 F 59

0:00
0:00
/ mi
Masters
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Overall
#0 / 3840
Top 38%
Gender (Female)
#0 / 1760
Top 26%
Masters (Masters Women)
#0 / 365
Top 20%
Division (F55-59)
#0 / 63
Top 10%
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
48 ft elev
2M
9:51/mi
19:43
↑ 138↓ 680.7%
122 ft elev
4M
8:53/mi
37:29
↑ 1631.4%
280 ft elev
6M
11:46/mi
1:01:02
↑ 55↓ 830.3%
247 ft elev
8M
7:15/mi
1:15:33
↑ 65↓ 1510.8%
143 ft elev
10M
9:36/mi
1:34:45
↑ 61↓ 1741.1%
25 ft elev
12M
9:54/mi
1:54:34
↑ 41↓ 530.1%
12 ft elev
Finish· 13.11 mi
9:20/mi
2:04:55
→ flat
11 ft elev
Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent

The Course

Half Splits

1st Half· via 6M
1:01:0210:10 /mi⚡ faster
2nd Half
1:03:538:59 /mi+4.7%
Positive split — 4.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
19:439:512.00 mi19:43
9:51
-
4M
37:299:222.00 mi17:46
8:53
-0:58
6M
1:01:0210:102.00 mi23:33
11:46
+2:53
8M
1:15:339:272.00 mi14:31
7:15
-4:31
10M
1:34:459:292.00 mi19:12
9:36
+2:21
12M
1:54:349:332.00 mi19:49
9:54
+0:18
Finish(13.11 mi)
2:04:559:321.11 mi10:21
9:20
-0:34
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:15 /mi

Average Pace

9:32 /mi

Slowest Pace

11:46 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

32:17

26% of race

Time at Steady Pace

1:09:05

55% of race

Time at Slower Pace

23:33

19% of race

Average Pace: 9:32 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
2M2.00 mi19126431312874036
4M2.00 mi1708+204549+9410+315454917
6M2.00 mi1707+1550-19+1172555910
8M2.00 mi1678+29534+168+115825046
10M2.00 mi1583+95504+306+213584226
12M2.00 mi1514+69478+267-112874036
Finish(13.11 mi)1.11 mi1453+61459+196+111703647

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 34%
×9story building
+138ft-68ft

Overall

1287

Females

403

F55-59

6

2M→4M

2.0 - 4.0 mi

Top 40%
×13story building
+163ft-19ft

Overall

1545

Females

491

F55-59

7

4M→6M

4.0 - 6.0 mi

Top 45%
×4story building
+55ft-83ft

Overall

1725

Females

559

F55-59

10

6M→8M

6.0 - 8.0 mi

Top 41%
×10story building
+65ft-151ft

Overall

1582

Females

504

F55-59

6

8M→10M

8.0 - 10.0 mi

Top 35%
×10story building
+61ft-174ft

Overall

1358

Females

422

F55-59

6

10M→12M

10.0 - 12.0 mi

Top 34%
×3story building
+41ft-53ft

Overall

1287

Females

403

F55-59

6

12M→Finish

12.0 - 13.1 mi

Top 30%
×1human
+6ft-6ft

Overall

1170

Females

364

F55-59

7

Passing Analysis

Category:
Passed
558*
Passed By
99
Net Change
+459
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1912
2M → 4M2139+204#1912#1708
4M → 6M5049+1#1708#1707
6M → 8M4819+29#1707#1678
8M → 10M100*5+95#1678#1583
10M → 12M8617+69#1583#1514
12M → Finish61*0+61#1514#1453
TOTALS558*99+459

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

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Questions or issues regarding timing data?

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