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SF MARATHON 1ST HALF 2026

Qian Niu

Palo Alto, CA

Bib: 13965 F 42

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 22%
Gender (Female)
#0 / 2930
Top 11%
Masters (Masters Women)
#0 / 781
Top 8%
Division (F40-44)
#0 / 255
Top 10%
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:17/mi
18:34
→ flat
4M
8:59/mi
36:32
↑ 67↓ 69
6M
8:58/mi
54:29
↑ 123
8M
8:29/mi
1:11:27
↑ 166↓ 53
9.6M
8:29/mi
1:25:02
↑ 68↓ 193
10M
17:46/mi
1:32:08
↓ 24
10.5M
4:36/mi
1:34:26
↓ 73
12M
12:39/mi
1:53:24
↑ 280
Finish· 13.11 mi
9:05/mi
2:03:28
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
54:299:05 /mi⚡ faster
2nd Half
1:08:599:42 /mi+26.6%
Positive split — 26.6% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
18:349:172.00 mi18:34
9:17
-
4M
36:329:082.00 mi17:58
8:59
-0:18
6M
54:299:052.00 mi17:57
8:58
-0:01
8M
1:11:278:562.00 mi16:58
8:29
-0:29
9.6M
1:25:028:511.60 mi13:35
8:29
0:00
10M
1:32:089:130.40 mi7:06
17:46
+9:17
10.5M
1:34:269:000.50 mi2:18
4:36
-13:10
12M
1:53:249:271.50 mi18:58
12:39
+8:03
Finish(13.11 mi)
2:03:289:251.11 mi10:04
9:05
-3:34
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

4:36 /mi

Average Pace

9:25 /mi

Slowest Pace

17:46 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:18

2% of race

Time at Steady Pace

1:35:06

77% of race

Time at Slower Pace

26:04

21% of race

Average Pace: 9:25 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower
Featured Segment

Garmin Challenge

Top 33%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:24

Segment Time

10:27/mi

Pace

0.90 mi

Distance

Overall

2145

Women

621

Division

45

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
2M2.00 mi191149740167545733
4M2.00 mi1640+271391+10631+9142730723
6M2.00 mi1552+88351+4026+5139330722
8M2.00 mi1261+291244+10721+580712513
9.6M1.60 mi1396-135299-5523-2211171554
10M0.40 mi1460-64323-2423223667051
10.5M0.50 mi1461-1321+223205756235
12M1.50 mi1475-14340-1926-3167545733
Finish(13.11 mi)1.11 mi1464+11334+625+1173346129

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 25%
~flat
+5ft-3ft

Overall

1675

Females

457

F40-44

34

2M→4M

2.0 - 4.0 mi

Top 22%
×4story building
+67ft-69ft

Overall

1427

Females

307

F40-44

24

4M→6M

4.0 - 6.0 mi

Top 21%
×9story building
+123ft-9ft

Overall

1393

Females

307

F40-44

23

6M→8M

6.0 - 8.0 mi

Top 12%
×12story building
+166ft-53ft

Overall

807

Females

125

F40-44

14

8M→9.6M

8.0 - 9.6 mi

Top 32%
×13story building
+68ft-193ft

Overall

2111

Females

715

F40-44

55

9.6M→10M

9.6 - 10.0 mi

Top 34%
×2story building
+0ft-24ft

Overall

2236

Females

670

F40-44

52

10M→10.5M

10.0 - 10.5 mi

Top 31%
×6story building
+1ft-73ft

Overall

2057

Females

562

F40-44

36

10.5M→12M

10.5 - 12.0 mi

Top 25%
×21story building
+280ft-26ft

Overall

1675

Females

457

F40-44

34

12M→Finish

12.0 - 13.1 mi

Top 26%
×7story building
+14ft-89ft

Overall

1733

Females

461

F40-44

29

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#1911
2M → 4M
16287+271
#1911 → #1640
4M → 6M
28116+88
#1640 → #1552
6M → 8M
5296+291
#1552 → #1261
8M → 9.6M
17136-135
#1261 → #1396
9.6M → 10M
7612-64
#1396 → #1460
10M → 10.5M
76-1
#1460 → #1461
10.5M → 12M
6753-14
#1461 → #1475
12M → Finish
2940*+11
#1475 → #1464
TOTALS
399846*+447
#1911 → #1464

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

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

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