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SF MARATHON 1ST HALF 2026

Andrea Korsak

Bib: 18564•F•Age: 37

Chatsworth, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F35-39)
#0 / 388
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
12:18/mi
24:37
→ flat
4M
12:26/mi
49:28
↑ 67↓ 69
6M
12:28/mi
1:14:25
↑ 1231.1%
8M
13:40/mi
1:41:46
↑ 166↓ 531.1%
9.6M
9:42/mi
1:57:18
↑ 68↓ 1931.5%
10M
22:29/mi
2:06:17
↓ 241.1%
10.5M
6:06/mi
2:09:20
↓ 732.7%
12M
17:06/mi
2:34:59
↑ 2803.2%
Finish· 13.11 mi
12:38/mi
2:49:00
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:14:25
Pace12:24 /mi
2nd Half
Distance7.11 mi
Time1:34:35
Pace13:18 /mi
📊Positive Split: 27.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:14:2224:3712:1824:37
12:18
-
4M
4.00 mi07:39:1349:2812:2224:51
12:26
+0:08
6M
6.00 mi08:04:101:14:2512:2424:57
12:28
+0:02
8M
8.00 mi08:31:311:41:4612:4327:21
13:40
+1:12
9.6M
9.60 mi08:47:031:57:1812:1315:32
9:42
-3:58
10M
10.00 mi08:56:022:06:1712:388:59
22:29
+12:47
10.5M
10.50 mi08:59:052:09:2012:193:03
6:06
-16:23
12M
12.00 mi09:24:442:34:5912:5525:39
17:06
+11:00
Finish
13.11 mi09:38:452:49:0012:5414:01
12:38
-4:28

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

6:06 /mi

Average Pace

12:54 /mi

Slowest Pace

22:29 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:35

11% of race

Time at Steady Pace

1:55:47

69% of race

Time at Slower Pace

34:38

20% of race

Average Pace: 12:53 /mi

Loading chart...
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 mi07:14:2224:3712:1824:37
12:18
#6118
4M
4.00 mi07:39:1349:2812:2224:51
12:26
#5977
6M
6.00 mi08:04:101:14:2512:2424:57
12:28
#5825
8M
8.00 mi08:31:311:41:4612:4327:21
13:40
#5866
9.6M
9.60 mi08:47:031:57:1812:1315:32
9:42
#5606
10M
10.00 mi08:56:022:06:1712:388:59
22:29
#5554
10.5M
10.50 mi08:59:052:09:2012:193:03
6:06
#5544
12M
12.00 mi09:24:442:34:5912:5525:39
17:06
#5486
Finish
13.11 mi09:38:452:49:0012:5414:01
12:38
#5469
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

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

12:02

Segment Time

13:22/mi

Pace

0.90 mi

Distance

Overall

4873

Women

1950

Division

238

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi611826183384910(Top 75%)2002(Top 68%)257(Top 66%)
4M4.00 mi2.00 mi5977+1412526+92315+235792(Top 88%)2433(Top 83%)297(Top 77%)
6M6.00 mi2.00 mi5825+1522427+99301+145494(Top 84%)2227(Top 76%)272(Top 70%)
8M8.00 mi2.00 mi5866-412450-23311-105821(Top 89%)2423(Top 83%)310(Top 80%)
9.6M9.60 mi1.60 mi5606+2602296+154282+293618(Top 55%)1391(Top 47%)177(Top 46%)
10M10.00 mi0.40 mi5554+522268+28281+14759(Top 72%)1907(Top 65%)227(Top 59%)
10.5M10.50 mi0.50 mi5544+102262+62815491(Top 84%)2299(Top 78%)286(Top 74%)
12M12.00 mi1.50 mi5486+582245+17277+44910(Top 75%)2002(Top 68%)257(Top 66%)
Finish13.11 mi1.11 mi5469+172246-1281-45355(Top 81%)2267(Top 77%)298(Top 77%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 75%
~flat
+5ft-3ft

Overall

4910

Females

2002

F35-39

257

2M→4M

2.0 - 4.0 mi

Top 88%
×4story building
+67ft-69ft

Overall

5792

Females

2433

F35-39

298

4M→6M

4.0 - 6.0 mi

Top 84%
×9story building
+123ft-9ft

Overall

5494

Females

2227

F35-39

272

6M→8M

6.0 - 8.0 mi

Top 89%
×12story building
+166ft-53ft

Overall

5821

Females

2423

F35-39

310

8M→9.6M

8.0 - 9.6 mi

Top 55%
×13story building
+68ft-193ft

Overall

3618

Females

1391

F35-39

177

9.6M→10M

9.6 - 10.0 mi

Top 72%
×2story building
+0ft-24ft

Overall

4759

Females

1907

F35-39

227

10M→10.5M

10.0 - 10.5 mi

Top 84%
×6story building
+1ft-73ft

Overall

5491

Females

2299

F35-39

286

10.5M→12M

10.5 - 12.0 mi

Top 75%
×21story building
+280ft-26ft

Overall

4910

Females

2002

F35-39

257

12M→Finish

12.0 - 13.1 mi

Top 81%
×7story building
+14ft-89ft

Overall

5355

Females

2267

F35-39

298

Passing Analysis

Category:
Athletes Passed
1001*
Passed By
352
Net Change
+649
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6118
2M → 4M189*48+141#6118#5977
4M → 6M185*33+152#5977#5825
6M → 8M96*137-41#5825#5866
8M → 9.6M27212+260#5866#5606
9.6M → 10M7523+52#5606#5554
10M → 10.5M2010+10#5554#5544
10.5M → 12M105*47+58#5544#5486
12M → Finish59*42+17#5486#5469
TOTALS1001*352+649

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

📊

Passing Visuals

Category:
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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

Race Place Events

Race Place Events