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SF MARATHON 1ST HALF 2026

Sarah Chow

San Francisco, CA

Bib: 19991 F 27

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 43%
Gender (Female)
#0 / 2930
Top 30%
Division (F25-29)
#0 / 674
Top 32%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
10:06/mi
20:13
→ flat
12 ft elev
4M
10:11/mi
40:34
↑ 67↓ 69
10 ft elev
6M
9:55/mi
1:00:24
↑ 1231.1%
126 ft elev
8M
11:29/mi
1:23:23
↑ 166↓ 531.1%
246 ft elev
9.6M
8:02/mi
1:36:15
↑ 68↓ 1931.5%
126 ft elev
10M
19:44/mi
1:44:08
↓ 241.1%
90 ft elev
10.5M
5:02/mi
1:46:39
↓ 732.7%
18 ft elev
12M
14:05/mi
2:07:47
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
9:43/mi
2:18:34
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:00:24
Pace10:04 /mi
2nd Half
Distance7.11 mi
Time1:18:10
Pace11:00 /mi
📊Positive Split: 29.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:04:0020:1310:0620:13
10:06
-
4M
4.00 mi07:24:2140:3410:0920:21
10:11
+0:05
6M
6.00 mi07:44:111:00:2410:0419:50
9:55
-0:16
8M
8.00 mi08:07:101:23:2310:2522:59
11:29
+1:34
9.6M
9.60 mi08:20:021:36:1510:0212:52
8:02
-3:27
10M
10.00 mi08:27:551:44:0810:257:53
19:44
+11:42
10.5M
10.50 mi08:30:261:46:3910:092:31
5:02
-14:42
12M
12.00 mi08:51:342:07:4710:3921:08
14:05
+9:03
Finish
13.11 mi09:02:212:18:3410:3410:47
9:43
-4:22

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

5:02 /mi

Average Pace

10:34 /mi

Slowest Pace

19:44 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:23

11% of race

Time at Steady Pace

1:34:10

68% of race

Time at Slower Pace

29:01

21% of race

Average Pace: 10:34 /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 mi07:04:0020:1310:0620:13
10:06
#3201
4M
4.00 mi07:24:2140:3410:0920:21
10:11
#3100
6M
6.00 mi07:44:111:00:2410:0419:50
9:55
#2866
8M
8.00 mi08:07:101:23:2310:2522:59
11:29
#3224
9.6M
9.60 mi08:20:021:36:1510:0212:52
8:02
#2860
10M
10.00 mi08:27:551:44:0810:257:53
19:44
#2872
10.5M
10.50 mi08:30:261:46:3910:092:31
5:02
#2888
12M
12.00 mi08:51:342:07:4710:3921:08
14:05
#2862
Finish
13.11 mi09:02:212:18:3410:3410:47
9:43
#2798
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 49%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:24

Segment Time

11:34/mi

Pace

0.90 mi

Distance

Overall

3227

Women

1092

Division

280

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi320110472472813(Top 43%)932(Top 32%)244(Top 36%)
4M4.00 mi2.00 mi3100+101984+63233+143069(Top 47%)971(Top 33%)237(Top 35%)
6M6.00 mi2.00 mi2866+234885+99213+202557(Top 39%)757(Top 26%)186(Top 28%)
8M8.00 mi2.00 mi3224-3581026-141254-414055(Top 62%)1421(Top 48%)352(Top 52%)
9.6M9.60 mi1.60 mi2860+364884+142215+391590(Top 24%)529(Top 18%)136(Top 20%)
10M10.00 mi0.40 mi2872-12886-22153325(Top 51%)1147(Top 39%)290(Top 43%)
10.5M10.50 mi0.50 mi2888-16895-9217-23216(Top 49%)1079(Top 37%)262(Top 39%)
12M12.00 mi1.50 mi2862+26898-3220-32813(Top 43%)932(Top 32%)244(Top 36%)
Finish13.11 mi1.11 mi2798+64874+24216+42521(Top 38%)796(Top 27%)220(Top 33%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 43%
~flat
+5ft-3ft

Overall

2813

Females

932

F25-29

244

2M→4M

2.0 - 4.0 mi

Top 47%
×4story building
+67ft-69ft

Overall

3069

Females

971

F25-29

237

4M→6M

4.0 - 6.0 mi

Top 39%
×9story building
+123ft-9ft

Overall

2557

Females

757

F25-29

186

6M→8M

6.0 - 8.0 mi

Top 62%
×12story building
+166ft-53ft

Overall

4055

Females

1421

F25-29

352

8M→9.6M

8.0 - 9.6 mi

Top 24%
×13story building
+68ft-193ft

Overall

1590

Females

529

F25-29

136

9.6M→10M

9.6 - 10.0 mi

Top 51%
×2story building
+0ft-24ft

Overall

3325

Females

1147

F25-29

290

10M→10.5M

10.0 - 10.5 mi

Top 49%
×6story building
+1ft-73ft

Overall

3216

Females

1079

F25-29

262

10.5M→12M

10.5 - 12.0 mi

Top 43%
×21story building
+280ft-26ft

Overall

2813

Females

932

F25-29

244

12M→Finish

12.0 - 13.1 mi

Top 38%
×7story building
+14ft-89ft

Overall

2521

Females

796

F25-29

220

Passing Analysis

Category:
Athletes Passed
1095*
Passed By
692
Net Change
+403
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3201
2M → 4M210109+101#3201#3100
4M → 6M26430+234#3100#2866
6M → 8M32*390-358#2866#3224
8M → 9.6M3728+364#3224#2860
9.6M → 10M3446-12#2860#2872
10M → 10.5M420-16#2872#2888
10.5M → 12M9367+26#2888#2862
12M → Finish86*22+64#2862#2798
TOTALS1095*692+403

* 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