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SF MARATHON 1ST HALF 2026

Andrea Cornford

Bib: 17523•F•Age: 44

Winnetka, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Masters (Masters Women)
#0 / 781
Division (F40-44)
#0 / 255
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
22:03
Rank: #4741
Start → 2M
11:01/mi
22:03 split
4M
45:07
Rank: #4846 (-105)
2M → 4M
11:32/mi
23:04 split
6M
1:08:49
Rank: #4866 (-20)
4M → 6M
11:51/mi
23:42 split
8M
1:32:53
Rank: #4779 (+87)
6M → 8M
12:02/mi
24:04 split
9.6M
1:52:08
Rank: #5091 (-312)
8M → 9.6M
12:02/mi
19:15 split
10M
2:01:05
Rank: #5037 (+54)
9.6M → 10M
22:24/mi
8:57 split
10.5M
2:04:12
Rank: #5059 (-22)
10M → 10.5M
6:14/mi
3:07 split
12M
2:32:04
Rank: #5232 (-173)
10.5M → 12M
18:35/mi
27:52 split
Finish· 13.11 mi
2:45:36
Rank: #5176 (+56)
12M → Finish
12:12/mi
13:32 split

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:08:49
Pace11:28 /mi
2nd Half
Distance7.11 mi
Time1:36:47
Pace13:37 /mi
📊Positive Split: 40.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:05:4922:0311:0122:03
11:01
-
4M
4.00 mi07:28:5345:0711:1723:04
11:32
+0:31
6M
6.00 mi07:52:351:08:4911:2823:42
11:51
+0:19
8M
8.00 mi08:16:391:32:5311:3724:04
12:02
+0:11
9.6M
9.60 mi08:35:541:52:0811:4119:15
12:02
0:00
10M
10.00 mi08:44:512:01:0512:078:57
22:24
+10:22
10.5M
10.50 mi08:47:582:04:1211:503:07
6:14
-16:10
12M
12.00 mi09:15:502:32:0412:4027:52
18:35
+12:21
Finish
13.11 mi09:29:222:45:3612:3813:32
12:12
-6:23

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:14 /mi

Average Pace

12:38 /mi

Slowest Pace

22:24 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07

2% of race

Time at Steady Pace

2:05:40

76% of race

Time at Slower Pace

36:49

22% of race

Average Pace: 12:38 /mi

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

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

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

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi07:05:4922:0311:0122:03
11:01
#4741
4M
4.00 mi07:28:5345:0711:1723:04
11:32
#4846
6M
6.00 mi07:52:351:08:4911:2823:42
11:51
#4866
8M
8.00 mi08:16:391:32:5311:3724:04
12:02
#4779
9.6M
9.60 mi08:35:541:52:0811:4119:15
12:02
#5091
10M
10.00 mi08:44:512:01:0512:078:57
22:24
#5037
10.5M
10.50 mi08:47:582:04:1211:503:07
6:14
#5059
12M
12.00 mi09:15:502:32:0412:4027:52
18:35
#5232
Finish
13.11 mi09:29:222:45:3612:3813:32
12:12
#5176
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 74%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:04

Segment Time

13:25/mi

Pace

0.90 mi

Distance

Overall

4898

Women

1965

Division

162

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
2M2.00 mi2.00 mi474117871505717(Top 87%)2459(Top 84%)198(Top 78%)
4M4.00 mi2.00 mi4846-1051853-66151-14917(Top 75%)1910(Top 65%)151(Top 59%)
6M6.00 mi2.00 mi4866-201864-11152-14910(Top 75%)1880(Top 64%)152(Top 60%)
8M8.00 mi2.00 mi4779+871795+69146+64592(Top 70%)1686(Top 58%)140(Top 55%)
9.6M9.60 mi1.60 mi5091-3121991-196160-145850(Top 89%)2508(Top 86%)210(Top 82%)
10M10.00 mi0.40 mi5037+541961+30162-24718(Top 72%)1882(Top 64%)154(Top 60%)
10.5M10.50 mi0.50 mi5059-221974-13161+15624(Top 86%)2375(Top 81%)199(Top 78%)
12M12.00 mi1.50 mi5232-1732091-117170-95717(Top 87%)2459(Top 84%)198(Top 78%)
Finish13.11 mi1.11 mi5176+562070+21168+25055(Top 77%)2106(Top 72%)174(Top 68%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 87%
~flat
+5ft-3ft

Overall

5717

Females

2459

F40-44

199

2M→4M

2.0 - 4.0 mi

Top 75%
×4stories
+67ft-69ft

Overall

4917

Females

1910

F40-44

152

4M→6M

4.0 - 6.0 mi

Top 75%
×9stories
+123ft-9ft

Overall

4910

Females

1880

F40-44

153

6M→8M

6.0 - 8.0 mi

Top 70%
×12stories
+166ft-53ft

Overall

4592

Females

1686

F40-44

141

8M→9.6M

8.0 - 9.6 mi

Top 89%
×13stories
+68ft-193ft

Overall

5850

Females

2508

F40-44

211

9.6M→10M

9.6 - 10.0 mi

Top 72%
×2stories
+0ft-24ft

Overall

4718

Females

1882

F40-44

155

10M→10.5M

10.0 - 10.5 mi

Top 86%
×6stories
+1ft-73ft

Overall

5624

Females

2375

F40-44

200

10.5M→12M

10.5 - 12.0 mi

Top 87%
×21stories
+280ft-26ft

Overall

5717

Females

2459

F40-44

199

12M→Finish

12.0 - 13.1 mi

Top 77%
×7stories
+14ft-89ft

Overall

5055

Females

2106

F40-44

174

Passing Analysis

Category:
Athletes Passed
680*
Passed By
1115
Net Change
-435
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4741
2M → 4M144249-105#4741#4846
4M → 6M119*139-20#4846#4866
6M → 8M202*115+87#4866#4779
8M → 9.6M15327-312#4779#5091
9.6M → 10M7521+54#5091#5037
10M → 10.5M830-22#5037#5059
10.5M → 12M37*210-173#5059#5232
12M → Finish80*24+56#5232#5176
TOTALS680*1115-435

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

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