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SF MARATHON 1ST HALF 2026

Grace Rong

San Carlos, CA

Bib: 18107 F 30

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F30-34)
#0 / 651
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
13:02/mi
26:04
→ flat
4M
11:26/mi
48:55
↑ 67↓ 69
6M
11:57/mi
1:12:49
↑ 123
8M
11:44/mi
1:36:18
↑ 166↓ 53
9.6M
11:44/mi
1:55:05
↑ 68↓ 193
10.26M
13:05/mi
2:03:43
↓ 114
10.5M
12:55/mi
2:06:49
→ flat
12M
17:43/mi
2:33:24
↑ 280
Finish· 13.11 mi
11:50/mi
2:46:32
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:12:4912:08 /mi⚡ faster
2nd Half
1:33:4313:11 /mi+28.7%
Positive split — 28.7% 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
26:0413:022.00 mi26:04
13:02
-
4M
48:5512:142.00 mi22:51
11:26
-1:36
6M
1:12:4912:082.00 mi23:54
11:57
+0:31
8M
1:36:1812:022.00 mi23:29
11:44
-0:13
9.6M
1:55:0511:591.60 mi18:47
11:44
0:00
10.26M
2:03:4312:030.66 mi8:38
13:05
+1:21
10.5M
2:06:4912:050.24 mi3:06
12:55
-0:10
12M
2:33:2412:471.50 mi26:35
17:43
+4:48
Finish(13.11 mi)
2:46:3212:421.11 mi13:08
11:50
-5:53
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

11:26 /mi

Average Pace

12:42 /mi

Slowest Pace

17:43 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:42:09

61% of race

Time at Slower Pace

1:04:23

39% of race

Average Pace: 12:42 /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 70%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:44

Segment Time

13:02/mi

Pace

0.90 mi

Distance

Overall

4611

Women

1820

Division

425

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi6419281363052932218514
4M2.00 mi5870+5492455+358556+7447621828432
6M2.00 mi5583+2872273+182526+3050141945466
8M2.00 mi5252+3312071+202485+4143171554371
9.6M1.60 mi5386-1342162-91509-2456562408557
10.26M0.66 mi5303+832115+47499+1043691694390
10.5M0.24 mi5323-202125-1049956422383542
12M1.50 mi5336-132153-2849952932218514
Finish(13.11 mi)1.11 mi5248+882113+40492+748011958454

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 81%
~flat
+5ft-3ft

Overall

5293

Females

2218

F30-34

516

2M→4M

2.0 - 4.0 mi

Top 72%
×4story building
+67ft-69ft

Overall

4762

Females

1828

F30-34

435

4M→6M

4.0 - 6.0 mi

Top 76%
×9story building
+123ft-9ft

Overall

5014

Females

1945

F30-34

469

6M→8M

6.0 - 8.0 mi

Top 66%
×12story building
+166ft-53ft

Overall

4317

Females

1554

F30-34

373

8M→9.6M

8.0 - 9.6 mi

Top 86%
×13story building
+68ft-193ft

Overall

5656

Females

2408

F30-34

559

9.6M→10.26M

9.6 - 10.3 mi

Top 66%
×9story building
+0ft-114ft

Overall

4369

Females

1694

F30-34

392

10.26M→10.5M

10.3 - 10.5 mi

Top 86%
~flat
+1ft-0ft

Overall

5642

Females

2383

F30-34

544

10.5M→12M

10.5 - 12.0 mi

Top 81%
×21story building
+280ft-26ft

Overall

5293

Females

2218

F30-34

516

12M→Finish

12.0 - 13.1 mi

Top 73%
×7story building
+14ft-89ft

Overall

4801

Females

1958

F30-34

454

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#6419
2M → 4M
0549*+549
#6419 → #5870
4M → 6M
10297*+287
#5870 → #5583
6M → 8M
11342*+331
#5583 → #5252
8M → 9.6M
17743-134
#5252 → #5386
9.6M → 10.26M
891+83
#5386 → #5303
10.26M → 10.5M
222-20
#5303 → #5323
10.5M → 12M
10188*-13
#5323 → #5336
12M → Finish
997*+88
#5336 → #5248
TOTALS
3381509*+1171
#6419 → #5248

* 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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