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SF MARATHON 1ST HALF 2026

Ari Song

San Jose, CA

Bib: 13109 F 44

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 9%
Gender (Female)
#0 / 2930
Top 3%
Masters (Masters Women)
#0 / 781
Top 2%
Division (F40-44)
#0 / 255
Top 4%
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
8:36/mi
17:12
→ flat
12 ft elev
4M
8:27/mi
34:06
↑ 67↓ 69
10 ft elev
6M
8:12/mi
50:30
↑ 1231.1%
126 ft elev
8M
7:48/mi
1:06:06
↑ 166↓ 531.1%
246 ft elev
9.6M
7:48/mi
1:18:35
↑ 68↓ 1931.5%
126 ft elev
10M
13:56/mi
1:24:09
↓ 241.1%
90 ft elev
10.5M
3:48/mi
1:26:03
↓ 732.7%
18 ft elev
12M
11:17/mi
1:42:58
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
7:43/mi
1:51:32
↑ 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
50:308:25 /mi⚡ faster
2nd Half
1:01:028:35 /mi+20.9%
Positive split — 20.9% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:51:4317:128:3617:12
8:36
-
4M
4.00 mi07:08:3734:068:3216:54
8:27
-0:09
6M
6.00 mi07:25:0150:308:2516:24
8:12
-0:15
8M
8.00 mi07:40:371:06:068:1615:36
7:48
-0:24
9.6M
9.60 mi07:53:061:18:358:1112:29
7:48
0:00
10M
10.00 mi07:58:401:24:098:255:34
13:56
+6:08
10.5M
10.50 mi08:00:341:26:038:121:54
3:48
-10:08
12M
12.00 mi08:17:291:42:588:3516:55
11:17
+7:29
Finish
13.11 mi08:26:031:51:328:308:34
7:43
-3:34

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

3:48 /mi

Average Pace

8:30 /mi

Slowest Pace

13:56 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54

2% of race

Time at Steady Pace

1:27:09

78% of race

Time at Slower Pace

22:29

20% of race

Average Pace: 8:30 /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 mi06:51:4317:128:3617:12
8:36
#1014
4M
4.00 mi07:08:3734:068:3216:54
8:27
#892
6M
6.00 mi07:25:0150:308:2516:24
8:12
#769
8M
8.00 mi07:40:371:06:068:1615:36
7:48
#593
9.6M
9.60 mi07:53:061:18:358:1112:29
7:48
#658
10M
10.00 mi07:58:401:24:098:255:34
13:56
#628
10.5M
10.50 mi08:00:341:26:038:121:54
3:48
#622
12M
12.00 mi08:17:291:42:588:3516:55
11:17
#611
Finish
13.11 mi08:26:031:51:328:308:34
7:43
#571
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 5%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

7:28

Segment Time

8:18/mi

Pace

0.90 mi

Distance

Overall

311

Women

42

Division

5

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
2M2.00 mi2.00 mi10142012175715415
4M4.00 mi2.00 mi892+122165+3616+581315215
6M6.00 mi2.00 mi769+123139+2613+362510410
8M8.00 mi2.00 mi593+17692+4710+3353475
9.6M9.60 mi1.60 mi658-65112-2012-2133544734
10M10.00 mi0.40 mi628+30106+611+1366697
10.5M10.50 mi0.50 mi622+6104+211350479
12M12.00 mi1.50 mi611+11103+112-175715415
Finish13.11 mi1.11 mi571+4093+1010+2406596

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 12%
~flat
+5ft-3ft

Overall

757

Females

154

F40-44

16

2M→4M

2.0 - 4.0 mi

Top 12%
×4story building
+67ft-69ft

Overall

813

Females

152

F40-44

16

4M→6M

4.0 - 6.0 mi

Top 10%
×9story building
+123ft-9ft

Overall

625

Females

104

F40-44

11

6M→8M

6.0 - 8.0 mi

Top 5%
×12story building
+166ft-53ft

Overall

353

Females

47

F40-44

6

8M→9.6M

8.0 - 9.6 mi

Top 20%
×13story building
+68ft-193ft

Overall

1335

Females

447

F40-44

35

9.6M→10M

9.6 - 10.0 mi

Top 6%
×2story building
+0ft-24ft

Overall

366

Females

69

F40-44

8

10M→10.5M

10.0 - 10.5 mi

Top 5%
×6story building
+1ft-73ft

Overall

350

Females

47

F40-44

9

10.5M→12M

10.5 - 12.0 mi

Top 12%
×21story building
+280ft-26ft

Overall

757

Females

154

F40-44

16

12M→Finish

12.0 - 13.1 mi

Top 6%
×7story building
+14ft-89ft

Overall

406

Females

59

F40-44

6

Passing Analysis

Category:
Athletes Passed
589*
Passed By
146
Net Change
+443
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1014
2M → 4M14725+122#1014#892
4M → 6M1318+123#892#769
6M → 8M1793+176#769#593
8M → 9.6M1580-65#593#658
9.6M → 10M311+30#658#628
10M → 10.5M60+6#628#622
10.5M → 12M3827+11#622#611
12M → Finish42*2+40#611#571
TOTALS589*146+443

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

Passing Charts

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

Race Place Events

Race Place Events