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SF MARATHON 1ST HALF 2026

Sthabile Kolwa

Palo Alto, CA

Bib: 18515 X 37

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Other)
#0 / 26
NB35-39
#0 / 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
2M
12:08/mi
24:17
→ flat
4M
11:09/mi
46:35
↑ 67↓ 69
6M
12:22/mi
1:11:19
↑ 123
8M
12:17/mi
1:35:52
↑ 166↓ 53
9.6M
12:17/mi
1:55:31
↑ 68↓ 193
10.26M
13:43/mi
2:04:34
↓ 114
10.5M
11:32/mi
2:07:20
→ flat
12M
17:52/mi
2:34:08
↑ 280
Finish· 13.11 mi
11:59/mi
2:47:25
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:11:1911:53 /mi⚡ faster
2nd Half
1:36:0613:31 /mi+34.8%
Positive split — 34.8% 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
24:1712:082.00 mi24:17
12:08
-
4M
46:3511:392.00 mi22:18
11:09
-0:59
6M
1:11:1911:532.00 mi24:44
12:22
+1:13
8M
1:35:5211:592.00 mi24:33
12:17
-0:05
9.6M
1:55:3112:021.60 mi19:39
12:17
0:00
10.26M
2:04:3412:080.66 mi9:03
13:43
+1:26
10.5M
2:07:2012:080.24 mi2:46
11:32
-2:11
12M
2:34:0812:511.50 mi26:48
17:52
+6:20
Finish(13.11 mi)
2:47:2512:461.11 mi13:17
11:59
-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

11:09 /mi

Average Pace

12:46 /mi

Slowest Pace

17:52 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

22:18

13% of race

Time at Steady Pace

1:49:16

65% of race

Time at Slower Pace

35:51

21% of race

Average Pace: 12:46 /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 71%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:49

Segment Time

13:08/mi

Pace

0.90 mi

Distance

Overall

4679

Gender

20

Division

3

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallXNB35-39Seg. OverallSeg. XSeg. NB35-39
2M2.00 mi59812345360214
4M2.00 mi5329+65221+244441184
6M2.00 mi5340-112145421203
8M2.00 mi5201+1392144839182
9.6M1.60 mi5442-2412145980244
10.26M0.66 mi5388+542144830214
10.5M0.24 mi5365+232144563182
12M1.50 mi5400-352145360214
Finish(13.11 mi)1.11 mi5325+752144916203

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 82%
~flat
+5ft-3ft

Overall

5360

X

21

X35-39

4

2M→4M

2.0 - 4.0 mi

Top 68%
×4story building
+67ft-69ft

Overall

4441

X

18

X35-39

4

4M→6M

4.0 - 6.0 mi

Top 82%
×9story building
+123ft-9ft

Overall

5421

X

20

X35-39

3

6M→8M

6.0 - 8.0 mi

Top 74%
×12story building
+166ft-53ft

Overall

4839

X

18

X35-39

2

8M→9.6M

8.0 - 9.6 mi

Top 91%
×13story building
+68ft-193ft

Overall

5980

X

24

X35-39

4

9.6M→10.26M

9.6 - 10.3 mi

Top 73%
×9story building
+0ft-114ft

Overall

4830

X

21

X35-39

4

10.26M→10.5M

10.3 - 10.5 mi

Top 69%
~flat
+1ft-0ft

Overall

4563

X

18

X35-39

2

10.5M→12M

10.5 - 12.0 mi

Top 82%
×21story building
+280ft-26ft

Overall

5360

X

21

X35-39

4

12M→Finish

12.0 - 13.1 mi

Top 75%
×7story building
+14ft-89ft

Overall

4916

X

20

X35-39

3

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#5981
2M → 4M
7659*+652
#5981 → #5329
4M → 6M
116105*-11
#5329 → #5340
6M → 8M
62201*+139
#5340 → #5201
8M → 9.6M
25110-241
#5201 → #5442
9.6M → 10.26M
1872+54
#5442 → #5388
10.26M → 10.5M
528+23
#5388 → #5365
10.5M → 12M
10671*-35
#5365 → #5400
12M → Finish
2196*+75
#5400 → #5325
TOTALS
5861242*+656
#5981 → #5325

* 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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Race Place Events