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SF MARATHON 2ND HALF 2026

Natalie Chen

Bib: 24823•F•Age: 17

Los Altos, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Female)
#0 / 1760
F19 & Under
#0 / 52
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
10:17/mi
20:34
↑ 138↓ 680.7%
4M
10:04/mi
40:41
↑ 1631.4%
6M
13:02/mi
1:06:46
↑ 55↓ 830.3%
8M
8:14/mi
1:23:15
↑ 65↓ 1510.8%
10M
11:38/mi
1:46:31
↑ 61↓ 1741.1%
12M
11:50/mi
2:10:12
↑ 41↓ 530.1%
Finish· 13.11 mi
11:23/mi
2:22:50
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:06:46
Pace11:08 /mi
2nd Half
Distance7.11 mi
Time1:16:04
Pace10:42 /mi
📊Positive Split: 13.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:06:5120:3410:1720:34
10:17
-
4M
4.00 mi09:26:5840:4110:1020:07
10:04
-0:13
6M
6.00 mi09:53:031:06:4611:0826:05
13:02
+2:58
8M
8.00 mi10:09:321:23:1510:2416:29
8:14
-4:48
10M
10.00 mi10:32:481:46:3110:3923:16
11:38
+3:24
12M
12.00 mi10:56:292:10:1210:5123:41
11:50
+0:12
Finish
13.11 mi11:09:072:22:5010:5412:38
11:23
-0:27

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

8:14 /mi

Average Pace

10:54 /mi

Slowest Pace

13:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

57:10

40% of race

Time at Steady Pace

59:35

42% of race

Time at Slower Pace

26:05

18% of race

Average Pace: 10:54 /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 mi09:06:5120:3410:1720:34
10:17
#2253
4M
4.00 mi09:26:5840:4110:1020:07
10:04
#2314
6M
6.00 mi09:53:031:06:4611:0826:05
13:02
#2370
8M
8.00 mi10:09:321:23:1510:2416:29
8:14
#2379
10M
10.00 mi10:32:481:46:3110:3923:16
11:38
#2428
12M
12.00 mi10:56:292:10:1210:5123:41
11:50
#2400
Finish
13.11 mi11:09:072:22:5010:5412:38
11:23
#2394
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF19 & UnderSeg. OverallSeg. FemalesSeg. F19 & Under
2M2.00 mi2.00 mi2253820362361(Top 61%)927(Top 53%)36(Top 69%)
4M4.00 mi2.00 mi2314-61855-3535+12384(Top 62%)900(Top 51%)35(Top 67%)
6M6.00 mi2.00 mi2370-56876-2133+22481(Top 65%)947(Top 54%)37(Top 71%)
8M8.00 mi2.00 mi2379-9884-834-12438(Top 63%)927(Top 53%)39(Top 75%)
10M10.00 mi2.00 mi2428-49909-2535-12575(Top 67%)1019(Top 58%)37(Top 71%)
12M12.00 mi2.00 mi2400+28902+736-12361(Top 61%)927(Top 53%)36(Top 69%)
Finish13.11 mi1.11 mi2394+6906-4362370(Top 62%)942(Top 54%)37(Top 71%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 61%
×9story building
+138ft-68ft

Overall

2361

Females

927

F15-19

34

2M→4M

2.0 - 4.0 mi

Top 62%
×13story building
+163ft-19ft

Overall

2384

Females

900

F15-19

33

4M→6M

4.0 - 6.0 mi

Top 65%
×4story building
+55ft-83ft

Overall

2481

Females

947

F15-19

35

6M→8M

6.0 - 8.0 mi

Top 63%
×10story building
+65ft-151ft

Overall

2438

Females

927

F15-19

37

8M→10M

8.0 - 10.0 mi

Top 67%
×10story building
+61ft-174ft

Overall

2575

Females

1019

F15-19

35

10M→12M

10.0 - 12.0 mi

Top 61%
×3story building
+41ft-53ft

Overall

2361

Females

927

F15-19

34

12M→Finish

12.0 - 13.1 mi

Top 62%
×1human
+6ft-6ft

Overall

2370

Females

942

F15-19

35

Passing Analysis

Category:
Athletes Passed
269*
Passed By
410
Net Change
-141
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2253
2M → 4M89150-61#2253#2314
4M → 6M3288-56#2314#2370
6M → 8M3645-9#2370#2379
8M → 10M20*69-49#2379#2428
10M → 12M6234+28#2428#2400
12M → Finish30*24+6#2400#2394
TOTALS269*410-141

* 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