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SF MARATHON 1ST HALF 2026

Jianjia Xu

SF, CA

Bib: 16036 F 36

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 49%
Gender (Female)
#0 / 2930
Top 36%
Division (F35-39)
#0 / 388
Top 36%
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
10:14/mi
20:29
→ flat
12 ft elev
4M
10:40/mi
41:49
↑ 67↓ 69
10 ft elev
6M
10:41/mi
1:03:11
↑ 1231.1%
126 ft elev
8M
11:45/mi
1:26:42
↑ 166↓ 531.1%
246 ft elev
9.6M
8:15/mi
1:39:54
↑ 68↓ 1931.5%
126 ft elev
10M
19:39/mi
1:47:45
↓ 241.1%
90 ft elev
10.5M
4:34/mi
1:50:02
↓ 732.7%
18 ft elev
12M
14:15/mi
2:11:24
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
10:09/mi
2:22:39
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:03:1110:32 /mi⚡ faster
2nd Half
1:19:2811:11 /mi+25.8%
Positive split — 25.8% 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
20:2910:142.00 mi20:29
10:14
-
4M
41:4910:272.00 mi21:20
10:40
+0:26
6M
1:03:1110:322.00 mi21:22
10:41
+0:01
8M
1:26:4210:502.00 mi23:31
11:45
+1:04
9.6M
1:39:5410:241.60 mi13:12
8:15
-3:30
10M
1:47:4510:470.40 mi7:51
19:39
+11:24
10.5M
1:50:0210:290.50 mi2:17
4:34
-15:05
12M
2:11:2410:571.50 mi21:22
14:15
+9:41
Finish(13.11 mi)
2:22:3910:531.11 mi11:15
10:09
-4:06
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

4:34 /mi

Average Pace

10:53 /mi

Slowest Pace

19:39 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

15:29

11% of race

Time at Steady Pace

1:37:57

69% of race

Time at Slower Pace

29:13

20% of race

Average Pace: 10:53 /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 45%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:08

Segment Time

11:16/mi

Pace

0.90 mi

Distance

Overall

2972

Women

977

Division

126

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi344511501482949993128
4M2.00 mi3624-1791227-77162-1437921311168
6M2.00 mi3540+841190+37155+735271183152
8M2.00 mi3748-2081278-88167-1243291561204
9.6M1.60 mi3383+3651112+166149+18179959478
10M0.40 mi3351+321100+12147+232931130145
10.5M0.50 mi3318+331085+15146+1203855481
12M1.50 mi3228+901054+31141+52949993128
Finish(13.11 mi)1.11 mi3193+351043+11140+130411041138

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 45%
~flat
+5ft-3ft

Overall

2949

Females

993

F35-39

128

2M→4M

2.0 - 4.0 mi

Top 58%
×4story building
+67ft-69ft

Overall

3792

Females

1311

F35-39

168

4M→6M

4.0 - 6.0 mi

Top 54%
×9story building
+123ft-9ft

Overall

3527

Females

1183

F35-39

152

6M→8M

6.0 - 8.0 mi

Top 66%
×12story building
+166ft-53ft

Overall

4329

Females

1561

F35-39

204

8M→9.6M

8.0 - 9.6 mi

Top 27%
×13story building
+68ft-193ft

Overall

1799

Females

594

F35-39

78

9.6M→10M

9.6 - 10.0 mi

Top 50%
×2story building
+0ft-24ft

Overall

3293

Females

1130

F35-39

145

10M→10.5M

10.0 - 10.5 mi

Top 31%
×6story building
+1ft-73ft

Overall

2038

Females

554

F35-39

81

10.5M→12M

10.5 - 12.0 mi

Top 45%
×21story building
+280ft-26ft

Overall

2949

Females

993

F35-39

128

12M→Finish

12.0 - 13.1 mi

Top 46%
×7story building
+14ft-89ft

Overall

3041

Females

1041

F35-39

138

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#3445
2M → 4M
286107-179
#3445 → #3624
4M → 6M
86170*+84
#3624 → #3540
6M → 8M
26355*-208
#3540 → #3748
8M → 9.6M
14379+365
#3748 → #3383
9.6M → 10M
2355+32
#3383 → #3351
10M → 10.5M
033+33
#3351 → #3318
10.5M → 12M
38128+90
#3318 → #3228
12M → Finish
2560*+35
#3228 → #3193
TOTALS
735987*+252
#3445 → #3193

* 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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