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SF MARATHON 1ST HALF 2026

Rebecca Chen

Bib: 14936•F•Age: 31

Palo Alto, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Top 42%
Division (F30-34)
#0 / 651
Top 43%
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
11:07/mi
22:15
→ flat
4M
11:13/mi
44:40
↑ 67↓ 69
6M
10:56/mi
1:06:33
↑ 1231.1%
8M
12:09/mi
1:30:51
↑ 166↓ 531.1%
9.6M
8:42/mi
1:44:47
↑ 68↓ 1931.5%
10M
18:46/mi
1:52:17
↓ 241.1%
10.5M
5:08/mi
1:54:51
↓ 732.7%
12M
13:51/mi
2:15:37
↑ 2803.2%
Finish· 13.11 mi
10:27/mi
2:27:12
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:06:33
Pace11:06 /mi
2nd Half
Distance7.11 mi
Time1:20:39
Pace11:21 /mi
📊Positive Split: 21.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:08:5022:1511:0722:15
11:07
-
4M
4.00 mi07:31:1544:4011:1022:25
11:13
+0:06
6M
6.00 mi07:53:081:06:3311:0621:53
10:56
-0:17
8M
8.00 mi08:17:261:30:5111:2124:18
12:09
+1:13
9.6M
9.60 mi08:31:221:44:4710:5513:56
8:42
-3:27
10M
10.00 mi08:38:521:52:1711:147:30
18:46
+10:04
10.5M
10.50 mi08:41:261:54:5110:562:34
5:08
-13:38
12M
12.00 mi09:02:122:15:3711:1820:46
13:51
+8:43
Finish
13.11 mi09:13:472:27:1211:1411:35
10:27
-3:24

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

5:08 /mi

Average Pace

11:14 /mi

Slowest Pace

18:46 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:30

11% of race

Time at Steady Pace

1:42:26

70% of race

Time at Slower Pace

28:16

19% of race

Average Pace: 11:14 /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 mi07:08:5022:1511:0722:15
11:07
#4908
4M
4.00 mi07:31:1544:4011:1022:25
11:13
#4678
6M
6.00 mi07:53:081:06:3311:0621:53
10:56
#4298
8M
8.00 mi08:17:261:30:5111:2124:18
12:09
#4418
9.6M
9.60 mi08:31:221:44:4710:5513:56
8:42
#4037
10M
10.00 mi08:38:521:52:1711:147:30
18:46
#3898
10.5M
10.50 mi08:41:261:54:5110:562:34
5:08
#3883
12M
12.00 mi09:02:122:15:3711:1820:46
13:51
#3636
Finish
13.11 mi09:13:472:27:1211:1411:35
10:27
#3597
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 44%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:04

Segment Time

11:11/mi

Pace

0.90 mi

Distance

Overall

2904

Women

950

Division

216

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi490818954412604(Top 40%)832(Top 28%)179(Top 27%)
4M4.00 mi2.00 mi4678+2301756+139405+364495(Top 68%)1673(Top 57%)389(Top 60%)
6M6.00 mi2.00 mi4298+3801554+202360+453815(Top 58%)1323(Top 45%)303(Top 47%)
8M8.00 mi2.00 mi4418-1201595-41368-84712(Top 72%)1748(Top 60%)408(Top 63%)
9.6M9.60 mi1.60 mi4037+3811429+166336+322375(Top 36%)830(Top 28%)176(Top 27%)
10M10.00 mi0.40 mi3898+1391370+59319+172855(Top 43%)940(Top 32%)203(Top 31%)
10.5M10.50 mi0.50 mi3883+151362+8317+23519(Top 54%)1219(Top 42%)273(Top 42%)
12M12.00 mi1.50 mi3636+2471243+119278+392604(Top 40%)832(Top 28%)179(Top 27%)
Finish13.11 mi1.11 mi3597+391234+9279-13411(Top 52%)1214(Top 41%)273(Top 42%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 40%
~flat
+5ft-3ft

Overall

2604

Females

832

F30-34

180

2M→4M

2.0 - 4.0 mi

Top 68%
×4story building
+67ft-69ft

Overall

4495

Females

1673

F30-34

392

4M→6M

4.0 - 6.0 mi

Top 58%
×9story building
+123ft-9ft

Overall

3815

Females

1323

F30-34

305

6M→8M

6.0 - 8.0 mi

Top 72%
×12story building
+166ft-53ft

Overall

4712

Females

1748

F30-34

410

8M→9.6M

8.0 - 9.6 mi

Top 36%
×13story building
+68ft-193ft

Overall

2375

Females

830

F30-34

177

9.6M→10M

9.6 - 10.0 mi

Top 43%
×2story building
+0ft-24ft

Overall

2855

Females

940

F30-34

205

10M→10.5M

10.0 - 10.5 mi

Top 54%
×6story building
+1ft-73ft

Overall

3519

Females

1219

F30-34

275

10.5M→12M

10.5 - 12.0 mi

Top 40%
×21story building
+280ft-26ft

Overall

2604

Females

832

F30-34

180

12M→Finish

12.0 - 13.1 mi

Top 52%
×7story building
+14ft-89ft

Overall

3411

Females

1214

F30-34

273

Passing Analysis

Category:
Athletes Passed
1718*
Passed By
407
Net Change
+1311
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4908
2M → 4M32393+230#4908#4678
4M → 6M394*14+380#4678#4298
6M → 8M119*239-120#4298#4418
8M → 9.6M39716+381#4418#4037
9.6M → 10M1423+139#4037#3898
10M → 10.5M216+15#3898#3883
10.5M → 12M261*14+247#3883#3636
12M → Finish61*22+39#3636#3597
TOTALS1718*407+1311

* 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