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SF MARATHON 1ST HALF 2026

Thomas Frost

Morgan Hill, CA

Bib: 12054 M 36

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 2%
Gender (Male)
#0 / 3619
Top 3%
Division (M35-39)
#0 / 582
Top 3%
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
7:16/mi
14:32
→ flat
12 ft elev
4M
7:27/mi
29:26
↑ 67↓ 69
10 ft elev
6M
7:12/mi
43:50
↑ 1231.1%
126 ft elev
8M
6:49/mi
57:28
↑ 166↓ 531.1%
246 ft elev
9.6M
6:49/mi
1:08:22
↑ 68↓ 1931.5%
126 ft elev
10M
12:56/mi
1:13:32
↓ 241.1%
90 ft elev
10.5M
3:38/mi
1:15:21
↓ 732.7%
18 ft elev
12M
9:38/mi
1:29:48
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
7:09/mi
1:37:44
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
43:507:18 /mi⚡ faster
2nd Half
53:547:35 /mi+23.0%
Positive split — 23.0% 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
14:327:162.00 mi14:32
7:16
-
4M
29:267:222.00 mi14:54
7:27
+0:11
6M
43:507:182.00 mi14:24
7:12
-0:15
8M
57:287:112.00 mi13:38
6:49
-0:23
9.6M
1:08:227:071.60 mi10:54
6:49
0:00
10M
1:13:327:210.40 mi5:10
12:56
+6:07
10.5M
1:15:217:110.50 mi1:49
3:38
-9:18
12M
1:29:487:291.50 mi14:27
9:38
+6:00
Finish(13.11 mi)
1:37:447:271.11 mi7:56
7:09
-2:29
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

3:38 /mi

Average Pace

7:27 /mi

Slowest Pace

12:56 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:49

2% of race

Time at Steady Pace

1:16:18

78% of race

Time at Slower Pace

19:37

20% of race

Average Pace: 7:27 /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 2%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

6:59

Segment Time

7:46/mi

Pace

0.90 mi

Distance

Overall

135

Men

127

Division

24

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi1661513016613819
4M2.00 mi171-5156-528+217616024
6M2.00 mi148+23138+1824+413212221
8M2.00 mi120+28115+2320+4787311
9.6M1.60 mi128-8121-621-155341658
10M0.40 mi127+1120+12118214623
10.5M0.50 mi1271202117916731
12M1.50 mi131-4121-12116613819
Finish(13.11 mi)1.11 mi117+14114+719+215514824

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 3%
~flat
+5ft-3ft

Overall

166

Males

138

M35-39

19

2M→4M

2.0 - 4.0 mi

Top 3%
×4story building
+67ft-69ft

Overall

176

Males

160

M35-39

24

4M→6M

4.0 - 6.0 mi

Top 2%
×9story building
+123ft-9ft

Overall

132

Males

122

M35-39

21

6M→8M

6.0 - 8.0 mi

Top 1%
×12story building
+166ft-53ft

Overall

78

Males

73

M35-39

11

8M→9.6M

8.0 - 9.6 mi

Top 8%
×13story building
+68ft-193ft

Overall

553

Males

416

M35-39

58

9.6M→10M

9.6 - 10.0 mi

Top 3%
×2story building
+0ft-24ft

Overall

182

Males

146

M35-39

23

10M→10.5M

10.0 - 10.5 mi

Top 3%
×6story building
+1ft-73ft

Overall

179

Males

167

M35-39

31

10.5M→12M

10.5 - 12.0 mi

Top 3%
×21story building
+280ft-26ft

Overall

166

Males

138

M35-39

19

12M→Finish

12.0 - 13.1 mi

Top 2%
×7story building
+14ft-89ft

Overall

155

Males

148

M35-39

24

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#166
2M → 4M
149-5
#166 → #171
4M → 6M
124+23
#171 → #148
6M → 8M
028+28
#148 → #120
8M → 9.6M
135-8
#120 → #128
9.6M → 10M
12+1
#128 → #127
10M → 10.5M
000
#127 → #127
10.5M → 12M
106-4
#127 → #131
12M → Finish
115*+14
#131 → #117
TOTALS
4089*+49
#166 → #117

* 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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