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SF MARATHON 2ND HALF 2026

Chloee Gong

Bib: 23837•F•Age: 23

Fremont, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 16%
Gender (Female)
#0 / 1760
Top 8%
F20-29
#0 / 218
Top 12%
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
8:28/mi
16:57
↑ 138↓ 680.7%
4M
7:40/mi
32:17
↑ 1631.4%
6M
9:53/mi
52:04
↑ 55↓ 830.3%
8M
6:17/mi
1:04:38
↑ 65↓ 1510.8%
10M
8:25/mi
1:21:28
↑ 61↓ 1741.1%
12M
9:04/mi
1:39:36
↑ 41↓ 530.1%
Finish· 13.11 mi
8:38/mi
1:49:10
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time52:04
Pace8:41 /mi
2nd Half
Distance7.11 mi
Time57:06
Pace8:02 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:51:3316:578:2816:57
8:28
-
4M
4.00 mi09:06:5332:178:0415:20
7:40
-0:48
6M
6.00 mi09:26:4052:048:4119:47
9:53
+2:13
8M
8.00 mi09:39:141:04:388:0512:34
6:17
-3:36
10M
10.00 mi09:56:041:21:288:0916:50
8:25
+2:08
12M
12.00 mi10:14:121:39:368:1818:08
9:04
+0:39
Finish
13.11 mi10:23:461:49:108:209:34
8:38
-0:26

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

6:17 /mi

Average Pace

8:20 /mi

Slowest Pace

9:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:54

26% of race

Time at Steady Pace

43:21

40% of race

Time at Slower Pace

37:55

35% of race

Average Pace: 8:20 /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 mi08:51:3316:578:2816:57
8:28
#766
4M
4.00 mi09:06:5332:178:0415:20
7:40
#645
6M
6.00 mi09:26:4052:048:4119:47
9:53
#605
8M
8.00 mi09:39:141:04:388:0512:34
6:17
#597
10M
10.00 mi09:56:041:21:288:0916:50
8:25
#587
12M
12.00 mi10:14:121:39:368:1818:08
9:04
#612
Finish
13.11 mi10:23:461:49:108:209:34
8:38
#618
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi76617636781(Top 20%)206(Top 12%)37(Top 17%)
4M4.00 mi2.00 mi645+121149+2730+6575(Top 15%)127(Top 7%)24(Top 11%)
6M6.00 mi2.00 mi605+40131+1823+7529(Top 14%)110(Top 6%)19(Top 9%)
8M8.00 mi2.00 mi597+8130+123636(Top 17%)141(Top 8%)27(Top 12%)
10M10.00 mi2.00 mi587+10126+424-1589(Top 15%)131(Top 7%)25(Top 11%)
12M12.00 mi2.00 mi612-25138-1228-4781(Top 20%)206(Top 12%)37(Top 17%)
Finish13.11 mi1.11 mi618-6139-127+1732(Top 19%)181(Top 10%)32(Top 15%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 20%
×9story building
+138ft-68ft

Overall

781

Females

206

F20-24

37

2M→4M

2.0 - 4.0 mi

Top 15%
×13story building
+163ft-19ft

Overall

575

Females

127

F20-24

24

4M→6M

4.0 - 6.0 mi

Top 14%
×4story building
+55ft-83ft

Overall

529

Females

110

F20-24

19

6M→8M

6.0 - 8.0 mi

Top 17%
×10story building
+65ft-151ft

Overall

636

Females

141

F20-24

27

8M→10M

8.0 - 10.0 mi

Top 15%
×10story building
+61ft-174ft

Overall

589

Females

131

F20-24

25

10M→12M

10.0 - 12.0 mi

Top 20%
×3story building
+41ft-53ft

Overall

781

Females

206

F20-24

37

12M→Finish

12.0 - 13.1 mi

Top 19%
×1human
+6ft-6ft

Overall

732

Females

181

F20-24

32

Passing Analysis

Category:
Athletes Passed
235*
Passed By
87
Net Change
+148
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#766
2M → 4M1287+121#766#645
4M → 6M488+40#645#605
6M → 8M2012+8#605#597
8M → 10M18*8+10#597#587
10M → 12M1136-25#587#612
12M → Finish1016-6#612#618
TOTALS235*87+148

* 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