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SF MARATHON 1ST HALF 2026

Kelli Chu

Los Angeles, CA

Bib: 18935 F 38

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F35-39)
#0 / 388
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
12:14/mi
24:28
→ flat
12 ft elev
4M
13:30/mi
51:27
↑ 67↓ 69
10 ft elev
6M
15:19/mi
1:22:05
↑ 1231.1%
126 ft elev
8M
15:47/mi
1:53:39
↑ 166↓ 531.1%
246 ft elev
9.6M
10:55/mi
2:11:07
↑ 68↓ 1931.5%
126 ft elev
10M
27:22/mi
2:22:03
↓ 241.1%
90 ft elev
10.5M
6:44/mi
2:25:25
↓ 732.7%
18 ft elev
12M
19:57/mi
2:55:20
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
14:22/mi
3:11:16
↑ 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
1:22:0513:41 /mi⚡ faster
2nd Half
1:49:1115:21 /mi+33.0%
Positive split — 33.0% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:14:4224:2812:1424:28
12:14
-
4M
4.00 mi07:41:4151:2712:5226:59
13:30
+1:16
6M
6.00 mi08:12:191:22:0513:4130:38
15:19
+1:49
8M
8.00 mi08:43:531:53:3914:1231:34
15:47
+0:28
9.6M
9.60 mi09:01:212:11:0713:3917:28
10:55
-4:52
10M
10.00 mi09:12:172:22:0314:1210:56
27:22
+16:27
10.5M
10.50 mi09:15:392:25:2513:513:22
6:44
-20:38
12M
12.00 mi09:45:342:55:2014:3729:55
19:57
+13:13
Finish
13.11 mi10:01:303:11:1614:3515:56
14:22
-5:35

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

6:44 /mi

Average Pace

14:35 /mi

Slowest Pace

27:22 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

20:50

11% of race

Time at Steady Pace

2:09:35

68% of race

Time at Slower Pace

40:51

21% of race

Average Pace: 14:35 /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.

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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 mi07:14:4224:2812:1424:28
12:14
#6062
4M
4.00 mi07:41:4151:2712:5226:59
13:30
#6235
6M
6.00 mi08:12:191:22:0513:4130:38
15:19
#6378
8M
8.00 mi08:43:531:53:3914:1231:34
15:47
#6421
9.6M
9.60 mi09:01:212:11:0713:3917:28
10:55
#6365
10M
10.00 mi09:12:172:22:0314:1210:56
27:22
#6362
10.5M
10.50 mi09:15:392:25:2513:513:22
6:44
#6361
12M
12.00 mi09:45:342:55:2014:3729:55
19:57
#6330
Finish
13.11 mi10:01:303:11:1614:3515:56
14:22
#6310
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 92%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

14:18

Segment Time

15:54/mi

Pace

0.90 mi

Distance

Overall

6049

Women

2643

Division

350

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi6062258233261412697356
4M4.00 mi2.00 mi6235-1732692-110348-1662852735352
6M6.00 mi2.00 mi6378-1432795-103366-1864872859377
8M8.00 mi2.00 mi6421-432819-24372-663962805372
9.6M9.60 mi1.60 mi6365+562783+36362+1049592050262
10M10.00 mi0.40 mi6362+32785-2361+160792655353
10.5M10.50 mi0.50 mi6361+12786-1363-260382619340
12M12.00 mi1.50 mi6330+312769+17361+261412697356
Finish13.11 mi1.11 mi6310+202756+1336160632655351

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 93%
~flat
+5ft-3ft

Overall

6141

Females

2697

F35-39

356

2M→4M

2.0 - 4.0 mi

Top 96%
×4story building
+67ft-69ft

Overall

6285

Females

2735

F35-39

353

4M→6M

4.0 - 6.0 mi

Top 99%
×9story building
+123ft-9ft

Overall

6487

Females

2859

F35-39

378

6M→8M

6.0 - 8.0 mi

Top 97%
×12story building
+166ft-53ft

Overall

6396

Females

2805

F35-39

372

8M→9.6M

8.0 - 9.6 mi

Top 75%
×13story building
+68ft-193ft

Overall

4959

Females

2050

F35-39

262

9.6M→10M

9.6 - 10.0 mi

Top 92%
×2story building
+0ft-24ft

Overall

6079

Females

2655

F35-39

353

10M→10.5M

10.0 - 10.5 mi

Top 92%
×6story building
+1ft-73ft

Overall

6038

Females

2619

F35-39

340

10.5M→12M

10.5 - 12.0 mi

Top 93%
×21story building
+280ft-26ft

Overall

6141

Females

2697

F35-39

356

12M→Finish

12.0 - 13.1 mi

Top 92%
×7story building
+14ft-89ft

Overall

6063

Females

2655

F35-39

351

Passing Analysis

Category:
Athletes Passed
244*
Passed By
492
Net Change
-248
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6062
2M → 4M46*219-173#6062#6235
4M → 6M18*161-143#6235#6378
6M → 8M28*71-43#6378#6421
8M → 9.6M64*8+56#6421#6365
9.6M → 10M1815+3#6365#6362
10M → 10.5M54+1#6362#6361
10.5M → 12M38*7+31#6361#6330
12M → Finish27*7+20#6330#6310
TOTALS244*492-248

* 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