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SF MARATHON 1ST HALF 2026

Emily Kieffens

Mesa, AZ

Bib: 17630 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
12:02/mi
24:05
→ flat
4M
11:04/mi
46:13
↑ 67↓ 69
6M
11:36/mi
1:09:25
↑ 123
8M
13:29/mi
1:36:24
↑ 166↓ 53
9.6M
9:47/mi
1:52:04
↑ 68↓ 193
10M
23:14/mi
2:01:21
↓ 24
10.5M
5:28/mi
2:04:05
↓ 73
12M
19:53/mi
2:33:54
↑ 280
Finish· 13.11 mi
11:32/mi
2:46:42
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:09:2511:34 /mi⚡ faster
2nd Half
1:37:1713:41 /mi+40.1%
Positive split — 40.1% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
24:0512:022.00 mi24:05
12:02
-
4M
46:1311:332.00 mi22:08
11:04
-0:58
6M
1:09:2511:342.00 mi23:12
11:36
+0:32
8M
1:36:2412:032.00 mi26:59
13:29
+1:53
9.6M
1:52:0411:401.60 mi15:40
9:47
-3:42
10M
2:01:2112:080.40 mi9:17
23:14
+13:27
10.5M
2:04:0511:490.50 mi2:44
5:28
-17:46
12M
2:33:5412:501.50 mi29:49
19:53
+14:25
Finish(13.11 mi)
2:46:4212:431.11 mi12:48
11:32
-8:21
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

5:28 /mi

Average Pace

12:43 /mi

Slowest Pace

23:14 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:44

2% of race

Time at Steady Pace

2:04:52

75% of race

Time at Slower Pace

39:06

23% of race

Average Pace: 12:43 /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 74%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:01

Segment Time

13:21/mi

Pace

0.90 mi

Distance

Overall

4862

Women

1947

Division

455

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi5911249356661272685597
4M2.00 mi5232+6792071+422485+8143071574359
6M2.00 mi5000+2321936+135456+2946341729409
8M2.00 mi5270-2702079-143488-3257282368547
9.6M1.60 mi5079+1911983+96464+2437341451329
10M0.40 mi5059+201972+1146450672061477
10.5M0.50 mi5051+81969+3465-143441636375
12M1.50 mi5383-3322185-216505-4061272685597
Finish(13.11 mi)1.11 mi5266+1172123+62495+1045581814416

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 93%
~flat
+5ft-3ft

Overall

6127

Females

2685

F30-34

599

2M→4M

2.0 - 4.0 mi

Top 66%
×4story building
+67ft-69ft

Overall

4307

Females

1574

F30-34

362

4M→6M

4.0 - 6.0 mi

Top 70%
×9story building
+123ft-9ft

Overall

4634

Females

1729

F30-34

412

6M→8M

6.0 - 8.0 mi

Top 87%
×12story building
+166ft-53ft

Overall

5728

Females

2368

F30-34

549

8M→9.6M

8.0 - 9.6 mi

Top 57%
×13story building
+68ft-193ft

Overall

3734

Females

1451

F30-34

331

9.6M→10M

9.6 - 10.0 mi

Top 77%
×2story building
+0ft-24ft

Overall

5067

Females

2061

F30-34

479

10M→10.5M

10.0 - 10.5 mi

Top 66%
×6story building
+1ft-73ft

Overall

4344

Females

1636

F30-34

377

10.5M→12M

10.5 - 12.0 mi

Top 93%
×21story building
+280ft-26ft

Overall

6127

Females

2685

F30-34

599

12M→Finish

12.0 - 13.1 mi

Top 69%
×7story building
+14ft-89ft

Overall

4558

Females

1814

F30-34

416

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#5911
2M → 4M
11690*+679
#5911 → #5232
4M → 6M
37269*+232
#5232 → #5000
6M → 8M
31040*-270
#5000 → #5270
8M → 9.6M
41232+191
#5270 → #5079
9.6M → 10M
3353+20
#5079 → #5059
10M → 10.5M
1018+8
#5059 → #5051
10.5M → 12M
35220*-332
#5051 → #5383
12M → Finish
7124*+117
#5383 → #5266
TOTALS
8011446*+645
#5911 → #5266

* 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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Questions or issues regarding timing data?

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events