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SF MARATHON 1ST HALF 2026

Chihfeng Shen

Johns Creek, GA

Bib: 13483 M 51

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Division (M50-54)
#0 / 196
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
9:50/mi
19:40
→ flat
4M
10:16/mi
40:11
↑ 67↓ 69
6M
10:43/mi
1:01:37
↑ 123
8M
11:58/mi
1:25:33
↑ 166↓ 53
9.6M
8:00/mi
1:38:21
↑ 68↓ 193
10.26M
12:12/mi
1:46:24
↓ 114
10.5M
10:42/mi
1:48:58
→ flat
12M
15:49/mi
2:12:42
↑ 280
Finish· 13.11 mi
10:36/mi
2:24:27
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:01:3710:16 /mi⚡ faster
2nd Half
1:22:5011:39 /mi+34.4%
Positive split — 34.4% 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
19:409:502.00 mi19:40
9:50
-
4M
40:1110:032.00 mi20:31
10:16
+0:26
6M
1:01:3710:162.00 mi21:26
10:43
+0:27
8M
1:25:3310:422.00 mi23:56
11:58
+1:15
9.6M
1:38:2110:151.60 mi12:48
8:00
-3:58
10.26M
1:46:2410:220.66 mi8:03
12:12
+4:12
10.5M
1:48:5810:230.24 mi2:34
10:42
-1:30
12M
2:12:4211:041.50 mi23:44
15:49
+5:07
Finish(13.11 mi)
2:24:2711:011.11 mi11:45
10:36
-5:13
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:00 /mi

Average Pace

11:01 /mi

Slowest Pace

15:49 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

12:48

9% of race

Time at Steady Pace

1:15:56

53% of race

Time at Slower Pace

55:43

39% of race

Average Pace: 11:01 /mi

Loading chart...
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

3450

Men

2237

Division

106

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2M2.00 mi277619218841132537119
4M2.00 mi2937-1612016-9594-63172214899
6M2.00 mi3176-2392149-13399-535752362105
8M2.00 mi3561-3852358-209114-1545312862137
9.6M1.60 mi3180+3812156+20298+161543102742
10.26M0.66 mi3187-72149+79835392270112
10.5M0.24 mi3188-12146+397+135492300112
12M1.50 mi3355-1672226-80104-741132537119
Finish(13.11 mi)1.11 mi3371-162227-1103+135752265101

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 63%
~flat
+5ft-3ft

Overall

4113

Males

2537

M50-54

119

2M→4M

2.0 - 4.0 mi

Top 48%
×4story building
+67ft-69ft

Overall

3172

Males

2148

M50-54

99

4M→6M

4.0 - 6.0 mi

Top 54%
×9story building
+123ft-9ft

Overall

3575

Males

2362

M50-54

105

6M→8M

6.0 - 8.0 mi

Top 69%
×12story building
+166ft-53ft

Overall

4531

Males

2862

M50-54

137

8M→9.6M

8.0 - 9.6 mi

Top 23%
×13story building
+68ft-193ft

Overall

1543

Males

1027

M50-54

42

9.6M→10.26M

9.6 - 10.3 mi

Top 54%
×9story building
+0ft-114ft

Overall

3539

Males

2270

M50-54

112

10.26M→10.5M

10.3 - 10.5 mi

Top 54%
~flat
+1ft-0ft

Overall

3549

Males

2300

M50-54

112

10.5M→12M

10.5 - 12.0 mi

Top 63%
×21story building
+280ft-26ft

Overall

4113

Males

2537

M50-54

119

12M→Finish

12.0 - 13.1 mi

Top 54%
×7story building
+14ft-89ft

Overall

3575

Males

2265

M50-54

101

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#2776
2M → 4M
25897-161
#2776 → #2937
4M → 6M
28950-239
#2937 → #3176
6M → 8M
40621*-385
#3176 → #3561
8M → 9.6M
9390+381
#3561 → #3180
9.6M → 10.26M
3831-7
#3180 → #3187
10.26M → 10.5M
1413-1
#3187 → #3188
10.5M → 12M
20235-167
#3188 → #3355
12M → Finish
5640*-16
#3355 → #3371
TOTALS
1272677*-595
#2776 → #3371

* 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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