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SF MARATHON 1ST HALF 2026

Mitch Katzer

San Francisco, CA

Bib: 12383 M 39

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 41%
Gender (Male)
#0 / 3619
Division (M35-39)
#0 / 582
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
10:10/mi
20:20
→ flat
4M
10:04/mi
40:28
↑ 67↓ 69
6M
9:56/mi
1:00:20
↑ 123
8M
9:49/mi
1:19:58
↑ 166↓ 53
9.6M
9:49/mi
1:35:40
↑ 68↓ 193
10M
20:31/mi
1:43:52
↓ 24
10.5M
4:50/mi
1:46:17
↓ 73
12M
13:07/mi
2:05:57
↑ 280
Finish· 13.11 mi
10:10/mi
2:17:14
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:00:2010:03 /mi⚡ faster
2nd Half
1:16:5410:49 /mi+27.5%
Positive split — 27.5% 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
20:2010:102.00 mi20:20
10:10
-
4M
40:2810:072.00 mi20:08
10:04
-0:06
6M
1:00:2010:032.00 mi19:52
9:56
-0:08
8M
1:19:5810:002.00 mi19:38
9:49
-0:07
9.6M
1:35:409:581.60 mi15:42
9:49
0:00
10M
1:43:5210:230.40 mi8:12
20:31
+10:42
10.5M
1:46:1710:070.50 mi2:25
4:50
-15:41
12M
2:05:5710:301.50 mi19:40
13:07
+8:17
Finish(13.11 mi)
2:17:1410:281.11 mi11:17
10:10
-2:57
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

4:50 /mi

Average Pace

10:28 /mi

Slowest Pace

20:31 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:25

2% of race

Time at Steady Pace

1:46:57

78% of race

Time at Slower Pace

27:52

20% of race

Average Pace: 10:28 /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 52%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:37

Segment Time

11:48/mi

Pace

0.90 mi

Distance

Overall

3443

Men

2233

Division

376

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi3299219538020211431243
4M2.00 mi3051+2482078+117355+2529031995341
6M2.00 mi2840+2111959+119335+2025801811306
8M2.00 mi2646+1941869+90319+1621601597276
9.6M1.60 mi2794-1481925-56327-837712291383
10M0.40 mi2845-511960-35337-1037402370393
10.5M0.50 mi2843+21959+1338-127091840308
12M1.50 mi2656+1871840+119319+1920211431243
Finish(13.11 mi)1.11 mi2665-91844-4315+430782010325

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 31%
~flat
+5ft-3ft

Overall

2021

Males

1431

M35-39

243

2M→4M

2.0 - 4.0 mi

Top 44%
×4story building
+67ft-69ft

Overall

2903

Males

1995

M35-39

341

4M→6M

4.0 - 6.0 mi

Top 39%
×9story building
+123ft-9ft

Overall

2580

Males

1811

M35-39

306

6M→8M

6.0 - 8.0 mi

Top 33%
×12story building
+166ft-53ft

Overall

2160

Males

1597

M35-39

276

8M→9.6M

8.0 - 9.6 mi

Top 57%
×13story building
+68ft-193ft

Overall

3771

Males

2291

M35-39

383

9.6M→10M

9.6 - 10.0 mi

Top 57%
×2story building
+0ft-24ft

Overall

3740

Males

2370

M35-39

393

10M→10.5M

10.0 - 10.5 mi

Top 41%
×6story building
+1ft-73ft

Overall

2709

Males

1840

M35-39

308

10.5M→12M

10.5 - 12.0 mi

Top 31%
×21story building
+280ft-26ft

Overall

2021

Males

1431

M35-39

243

12M→Finish

12.0 - 13.1 mi

Top 47%
×7story building
+14ft-89ft

Overall

3078

Males

2010

M35-39

325

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#3299
2M → 4M
57305+248
#3299 → #3051
4M → 6M
35246+211
#3051 → #2840
6M → 8M
54248*+194
#2840 → #2646
8M → 9.6M
18032-148
#2646 → #2794
9.6M → 10M
7726-51
#2794 → #2845
10M → 10.5M
68+2
#2845 → #2843
10.5M → 12M
17204+187
#2843 → #2656
12M → Finish
4738*-9
#2656 → #2665
TOTALS
4731107*+634
#3299 → #2665

* 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

Race Place Events

Race Place Events