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SF MARATHON 1ST HALF 2026

Joseph Kim

Santa Clara, CA

Bib: 17800 M 24

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 25%
Gender (Male)
#0 / 3619
Top 34%
M20-29
#0 / 358
Top 43%
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
8:14/mi
16:28
→ flat
4M
9:02/mi
34:31
↑ 67↓ 69
6M
9:02/mi
52:35
↑ 123
8M
9:19/mi
1:11:12
↑ 166↓ 53
9.6M
9:19/mi
1:26:06
↑ 68↓ 193
10M
17:29/mi
1:33:05
↓ 24
10.5M
4:48/mi
1:35:29
↓ 73
12M
13:15/mi
1:55:21
↑ 280
Finish· 13.11 mi
9:03/mi
2:05:23
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
52:358:46 /mi⚡ faster
2nd Half
1:12:4810:14 /mi+38.4%
Positive split — 38.4% 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
16:288:142.00 mi16:28
8:14
-
4M
34:318:382.00 mi18:03
9:02
+0:48
6M
52:358:462.00 mi18:04
9:02
0:00
8M
1:11:128:542.00 mi18:37
9:19
+0:17
9.6M
1:26:068:581.60 mi14:54
9:19
0:00
10M
1:33:059:190.40 mi6:59
17:29
+8:10
10.5M
1:35:299:060.50 mi2:24
4:48
-12:41
12M
1:55:219:371.50 mi19:52
13:15
+8:27
Finish(13.11 mi)
2:05:239:341.11 mi10:02
9:03
-4:12
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

4:48 /mi

Average Pace

9:34 /mi

Slowest Pace

17:29 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:24

2% of race

Time at Steady Pace

1:36:08

77% of race

Time at Slower Pace

26:51

21% of race

Average Pace: 9:34 /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 32%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:23

Segment Time

10:26/mi

Pace

0.90 mi

Distance

Overall

2126

Men

1510

Division

181

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi6735636221421506177
4M2.00 mi993-320803-24093-3115051168148
6M2.00 mi1120-127892-89106-1314531126147
8M2.00 mi1225-105988-96117-1115931218142
9.6M1.60 mi1526-3011181-193146-2931481959225
10M0.40 mi1559-331199-18148-220811465179
10.5M0.50 mi1573-141209-10149-125701765212
12M1.50 mi1643-701239-30155-621421506177
Finish(13.11 mi)1.11 mi1620+231230+915516941243161

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 33%
~flat
+5ft-3ft

Overall

2142

Males

1506

M20-24

178

2M→4M

2.0 - 4.0 mi

Top 23%
×4story building
+67ft-69ft

Overall

1505

Males

1168

M20-24

149

4M→6M

4.0 - 6.0 mi

Top 22%
×9story building
+123ft-9ft

Overall

1453

Males

1126

M20-24

148

6M→8M

6.0 - 8.0 mi

Top 24%
×12story building
+166ft-53ft

Overall

1593

Males

1218

M20-24

143

8M→9.6M

8.0 - 9.6 mi

Top 48%
×13story building
+68ft-193ft

Overall

3148

Males

1959

M20-24

226

9.6M→10M

9.6 - 10.0 mi

Top 32%
×2story building
+0ft-24ft

Overall

2081

Males

1465

M20-24

180

10M→10.5M

10.0 - 10.5 mi

Top 39%
×6story building
+1ft-73ft

Overall

2570

Males

1765

M20-24

213

10.5M→12M

10.5 - 12.0 mi

Top 33%
×21story building
+280ft-26ft

Overall

2142

Males

1506

M20-24

178

12M→Finish

12.0 - 13.1 mi

Top 26%
×7story building
+14ft-89ft

Overall

1694

Males

1243

M20-24

161

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#673
2M → 4M
3266-320
#673 → #993
4M → 6M
14720-127
#993 → #1120
6M → 8M
16661-105
#1120 → #1225
8M → 9.6M
3043-301
#1225 → #1526
9.6M → 10M
4916-33
#1526 → #1559
10M → 10.5M
184-14
#1559 → #1573
10.5M → 12M
9727-70
#1573 → #1643
12M → Finish
2851*+23
#1643 → #1620
TOTALS
1135188*-947
#673 → #1620

* 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