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SF MARATHON 2ND HALF 2026

Zhiwei Ding

Bib: 23120•F•Age: 30

Mountain View, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 42%
Gender (Female)
#0 / 1760
Top 30%
Division (F30-34)
#0 / 408
Top 33%
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
9:31/mi
19:03
↑ 138↓ 680.7%
4M
8:53/mi
36:48
↑ 1631.4%
6M
11:38/mi
1:00:05
↑ 55↓ 830.3%
8M
7:24/mi
1:14:53
↑ 65↓ 1510.8%
10M
10:22/mi
1:35:36
↑ 61↓ 1741.1%
12M
10:32/mi
1:56:40
↑ 41↓ 530.1%
Finish· 13.11 mi
9:54/mi
2:07:39
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:00:05
Pace10:01 /mi
2nd Half
Distance7.11 mi
Time1:07:34
Pace9:30 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:12:2319:039:3119:03
9:31
-
4M
4.00 mi09:30:0836:489:1217:45
8:53
-0:38
6M
6.00 mi09:53:251:00:0510:0123:17
11:38
+2:45
8M
8.00 mi10:08:131:14:539:2214:48
7:24
-4:14
10M
10.00 mi10:28:561:35:369:3420:43
10:22
+2:58
12M
12.00 mi10:50:001:56:409:4321:04
10:32
+0:10
Finish
13.11 mi11:00:592:07:399:4410:59
9:54
-0:38

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

7:24 /mi

Average Pace

9:44 /mi

Slowest Pace

11:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:33

25% of race

Time at Steady Pace

50:45

40% of race

Time at Slower Pace

44:21

35% of race

Average Pace: 9:44 /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 mi09:12:2319:039:3119:03
9:31
#1624
4M
4.00 mi09:30:0836:489:1217:45
8:53
#1560
6M
6.00 mi09:53:251:00:0510:0123:17
11:38
#1582
8M
8.00 mi10:08:131:14:539:2214:48
7:24
#1614
10M
10.00 mi10:28:561:35:369:3420:43
10:22
#1659
12M
12.00 mi10:50:001:56:409:4321:04
10:32
#1643
Finish
13.11 mi11:00:592:07:399:4410:59
9:54
#1609
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi16245061321652(Top 43%)568(Top 32%)142(Top 35%)
4M4.00 mi2.00 mi1560+64489+17123+91538(Top 40%)489(Top 28%)119(Top 29%)
6M6.00 mi2.00 mi1582-22492-3120+31643(Top 43%)525(Top 30%)127(Top 31%)
8M8.00 mi2.00 mi1614-32510-18124-41712(Top 45%)562(Top 32%)142(Top 35%)
10M10.00 mi2.00 mi1659-45531-21132-81842(Top 48%)632(Top 36%)156(Top 38%)
12M12.00 mi2.00 mi1643+16538-7136-41652(Top 43%)568(Top 32%)142(Top 35%)
Finish13.11 mi1.11 mi1609+34531+7135+11514(Top 39%)512(Top 29%)130(Top 32%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 43%
×9story building
+138ft-68ft

Overall

1652

Females

568

F30-34

142

2M→4M

2.0 - 4.0 mi

Top 40%
×13story building
+163ft-19ft

Overall

1538

Females

489

F30-34

119

4M→6M

4.0 - 6.0 mi

Top 43%
×4story building
+55ft-83ft

Overall

1643

Females

525

F30-34

127

6M→8M

6.0 - 8.0 mi

Top 45%
×10story building
+65ft-151ft

Overall

1712

Females

562

F30-34

142

8M→10M

8.0 - 10.0 mi

Top 48%
×10story building
+61ft-174ft

Overall

1842

Females

632

F30-34

156

10M→12M

10.0 - 12.0 mi

Top 43%
×3story building
+41ft-53ft

Overall

1652

Females

568

F30-34

142

12M→Finish

12.0 - 13.1 mi

Top 39%
×1human
+6ft-6ft

Overall

1514

Females

512

F30-34

130

Passing Analysis

Category:
Athletes Passed
276*
Passed By
261
Net Change
+15
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1624
2M → 4M11147+64#1624#1560
4M → 6M3658-22#1560#1582
6M → 8M2355-32#1582#1614
8M → 10M17*62-45#1614#1659
10M → 12M4529+16#1659#1643
12M → Finish44*10+34#1643#1609
TOTALS276*261+15

* 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