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SF MARATHON 1ST HALF 2026

Bella Kuo

Santa Clara, CA

Bib: 12774 F 26

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 5%
Gender (Female)
#0 / 2930
Top 1%
Division (F25-29)
#0 / 674
Top 0.3%
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
7:33/mi
15:06
→ flat
12 ft elev
4M
7:45/mi
30:36
↑ 67↓ 69
10 ft elev
6M
7:50/mi
46:16
↑ 1231.1%
126 ft elev
8M
7:28/mi
1:01:12
↑ 166↓ 531.1%
246 ft elev
9.6M
7:28/mi
1:13:09
↑ 68↓ 1931.5%
126 ft elev
10M
14:16/mi
1:18:51
↓ 241.1%
90 ft elev
10.5M
3:50/mi
1:20:46
↓ 732.7%
18 ft elev
12M
10:43/mi
1:36:50
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
7:48/mi
1:45:29
↑ 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
46:167:43 /mi⚡ faster
2nd Half
59:138:20 /mi+28.0%
Positive split — 28.0% 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
15:067:332.00 mi15:06
7:33
-
4M
30:367:392.00 mi15:30
7:45
+0:12
6M
46:167:432.00 mi15:40
7:50
+0:05
8M
1:01:127:392.00 mi14:56
7:28
-0:22
9.6M
1:13:097:371.60 mi11:57
7:28
0:00
10M
1:18:517:530.40 mi5:42
14:16
+6:48
10.5M
1:20:467:420.50 mi1:55
3:50
-10:26
12M
1:36:508:041.50 mi16:04
10:43
+6:53
Finish(13.11 mi)
1:45:298:031.11 mi8:39
7:48
-2:55
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

3:50 /mi

Average Pace

8:03 /mi

Slowest Pace

14:16 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:55

2% of race

Time at Steady Pace

1:21:48

78% of race

Time at Slower Pace

21:46

21% of race

Average Pace: 8:03 /mi

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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 6%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

7:37

Segment Time

8:28/mi

Pace

0.90 mi

Distance

Overall

384

Women

55

Division

5

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2753354768914
4M2.00 mi284-938-56-1312426
6M2.00 mi304-2045-76375554
8M2.00 mi245+5928+173+3228262
9.6M1.60 mi302-5740-122+1103131978
10M0.40 mi312-1043-32462899
10.5M0.50 mi304+840+32376518
12M1.50 mi326-2248-824768914
Finish(13.11 mi)1.11 mi304+2241+724466916

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 7%
~flat
+5ft-3ft

Overall

476

Females

89

F25-29

14

2M→4M

2.0 - 4.0 mi

Top 5%
×4story building
+67ft-69ft

Overall

312

Females

42

F25-29

6

4M→6M

4.0 - 6.0 mi

Top 6%
×9story building
+123ft-9ft

Overall

375

Females

55

F25-29

4

6M→8M

6.0 - 8.0 mi

Top 3%
×12story building
+166ft-53ft

Overall

228

Females

26

F25-29

2

8M→9.6M

8.0 - 9.6 mi

Top 16%
×13story building
+68ft-193ft

Overall

1031

Females

319

F25-29

78

9.6M→10M

9.6 - 10.0 mi

Top 7%
×2story building
+0ft-24ft

Overall

462

Females

89

F25-29

9

10M→10.5M

10.0 - 10.5 mi

Top 6%
×6story building
+1ft-73ft

Overall

376

Females

51

F25-29

8

10.5M→12M

10.5 - 12.0 mi

Top 7%
×21story building
+280ft-26ft

Overall

476

Females

89

F25-29

14

12M→Finish

12.0 - 13.1 mi

Top 7%
×7story building
+14ft-89ft

Overall

446

Females

69

F25-29

16

Passing Analysis

Category:
Passed
146*
Passed By
175
Net Change
-29
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#275
2M → 4M1423-9#275#284
4M → 6M1030-20#284#304
6M → 8M689+59#304#245
8M → 9.6M764-57#245#302
9.6M → 10M616-10#302#312
10M → 10.5M80+8#312#304
10.5M → 12M729-22#304#326
12M → Finish26*4+22#326#304
TOTALS146*175-29

* 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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Questions or issues regarding timing data?

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