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SF MARATHON 2ND HALF 2026

Amber Chung

Bib: 25513•F•Age: 24

SF, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Female)
#0 / 1760
F20-29
#0 / 218
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
10:40/mi
21:20
↑ 138↓ 680.7%
4M
10:54/mi
43:07
↑ 1631.4%
6M
13:32/mi
1:10:12
↑ 55↓ 830.3%
8M
8:28/mi
1:27:09
↑ 65↓ 1510.8%
10M
11:45/mi
1:50:38
↑ 61↓ 1741.1%
12M
12:15/mi
2:15:08
↑ 41↓ 530.1%
Finish· 13.11 mi
11:47/mi
2:28:12
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:10:12
Pace11:42 /mi
2nd Half
Distance7.11 mi
Time1:18:00
Pace10:58 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:07:3721:2010:4021:20
10:40
-
4M
4.00 mi09:29:2443:0710:4721:47
10:54
+0:14
6M
6.00 mi09:56:291:10:1211:4227:05
13:32
+2:38
8M
8.00 mi10:13:261:27:0910:5416:57
8:28
-5:04
10M
10.00 mi10:36:551:50:3811:0423:29
11:45
+3:17
12M
12.00 mi11:01:252:15:0811:1624:30
12:15
+0:30
Finish
13.11 mi11:14:292:28:1211:1813:04
11:47
-0:28

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

8:28 /mi

Average Pace

11:18 /mi

Slowest Pace

13:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:04

41% of race

Time at Steady Pace

1:01:03

41% of race

Time at Slower Pace

27:05

18% of race

Average Pace: 11:18 /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 mi09:07:3721:2010:4021:20
10:40
#2570
4M
4.00 mi09:29:2443:0710:4721:47
10:54
#2728
6M
6.00 mi09:56:291:10:1211:4227:05
13:32
#2732
8M
8.00 mi10:13:261:27:0910:5416:57
8:28
#2700
10M
10.00 mi10:36:551:50:3811:0423:29
11:45
#2694
12M
12.00 mi11:01:252:15:0811:1624:30
12:15
#2678
Finish
13.11 mi11:14:292:28:1211:1813:04
11:47
#2672
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi25709881432562(Top 67%)1034(Top 59%)140(Top 64%)
4M4.00 mi2.00 mi2728-1581073-85151-82836(Top 74%)1143(Top 65%)157(Top 72%)
6M6.00 mi2.00 mi2732-41080-71512723(Top 71%)1077(Top 61%)152(Top 70%)
8M8.00 mi2.00 mi2700+321063+171512631(Top 69%)1035(Top 59%)146(Top 67%)
10M10.00 mi2.00 mi2694+61062+1148+32635(Top 69%)1045(Top 59%)139(Top 64%)
12M12.00 mi2.00 mi2678+161064-21482562(Top 67%)1034(Top 59%)140(Top 64%)
Finish13.11 mi1.11 mi2672+61067-3147+12575(Top 67%)1057(Top 60%)145(Top 67%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 67%
×9story building
+138ft-68ft

Overall

2562

Females

1034

F20-24

140

2M→4M

2.0 - 4.0 mi

Top 74%
×13story building
+163ft-19ft

Overall

2836

Females

1143

F20-24

157

4M→6M

4.0 - 6.0 mi

Top 71%
×4story building
+55ft-83ft

Overall

2723

Females

1077

F20-24

152

6M→8M

6.0 - 8.0 mi

Top 69%
×10story building
+65ft-151ft

Overall

2631

Females

1035

F20-24

146

8M→10M

8.0 - 10.0 mi

Top 69%
×10story building
+61ft-174ft

Overall

2635

Females

1045

F20-24

139

10M→12M

10.0 - 12.0 mi

Top 67%
×3story building
+41ft-53ft

Overall

2562

Females

1034

F20-24

140

12M→Finish

12.0 - 13.1 mi

Top 67%
×1human
+6ft-6ft

Overall

2575

Females

1057

F20-24

145

Passing Analysis

Category:
Athletes Passed
291*
Passed By
393
Net Change
-102
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2570
2M → 4M66224-158#2570#2728
4M → 6M6872-4#2728#2732
6M → 8M4816+32#2732#2700
8M → 10M37*31+6#2700#2694
10M → 12M4832+16#2694#2678
12M → Finish24*18+6#2678#2672
TOTALS291*393-102

* 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