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SF MARATHON 1ST HALF 2026

Derrick Ernst

Austin, TX

Bib: 16518 M 55

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 49%
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Top 49%
Division (M55-59)
#0 / 142
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
9:44/mi
19:29
→ flat
12 ft elev
4M
10:01/mi
39:31
↑ 67↓ 69
10 ft elev
6M
10:34/mi
1:00:39
↑ 1231.1%
126 ft elev
8M
10:23/mi
1:21:25
↑ 166↓ 531.1%
246 ft elev
9.6M
10:23/mi
1:38:02
↑ 68↓ 1931.5%
126 ft elev
10M
20:14/mi
1:46:07
↓ 241.1%
90 ft elev
10.5M
5:18/mi
1:48:46
↓ 732.7%
18 ft elev
12M
15:07/mi
2:11:27
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
10:27/mi
2:23:02
↑ 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
1:00:3910:07 /mi⚡ faster
2nd Half
1:22:2311:35 /mi+35.8%
Positive split — 35.8% 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
19:299:442.00 mi19:29
9:44
-
4M
39:319:532.00 mi20:02
10:01
+0:17
6M
1:00:3910:072.00 mi21:08
10:34
+0:33
8M
1:21:2510:112.00 mi20:46
10:23
-0:11
9.6M
1:38:0210:131.60 mi16:37
10:23
0:00
10M
1:46:0710:370.40 mi8:05
20:14
+9:51
10.5M
1:48:4610:220.50 mi2:39
5:18
-14:56
12M
2:11:2710:571.50 mi22:41
15:07
+9:49
Finish(13.11 mi)
2:23:0210:551.11 mi11:35
10:27
-4:40
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

5:18 /mi

Average Pace

10:55 /mi

Slowest Pace

20:14 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:39

2% of race

Time at Steady Pace

1:49:37

77% of race

Time at Slower Pace

30:46

22% of race

Average Pace: 10:55 /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 54%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:44

Segment Time

11:56/mi

Pace

0.90 mi

Distance

Overall

3576

Men

2292

Division

80

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
2M2.00 mi26361847543634228971
4M2.00 mi2673-371859-1252+22829195162
6M2.00 mi2925-2522006-14768-163412227275
8M2.00 mi2892+332008-269-12829198763
9.6M1.60 mi3128-2362125-11770-14433263690
10M0.40 mi3153-252127-272-23591229077
10.5M0.50 mi3166-132132-571+13876247487
12M1.50 mi3233-672164-3274-33634228971
Finish(13.11 mi)1.11 mi3235-22163+173+13407218273

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 55%
~flat
+5ft-3ft

Overall

3634

Males

2289

M55-59

71

2M→4M

2.0 - 4.0 mi

Top 43%
×4story building
+67ft-69ft

Overall

2829

Males

1951

M55-59

62

4M→6M

4.0 - 6.0 mi

Top 52%
×9story building
+123ft-9ft

Overall

3412

Males

2272

M55-59

75

6M→8M

6.0 - 8.0 mi

Top 43%
×12story building
+166ft-53ft

Overall

2829

Males

1987

M55-59

63

8M→9.6M

8.0 - 9.6 mi

Top 67%
×13story building
+68ft-193ft

Overall

4433

Males

2636

M55-59

90

9.6M→10M

9.6 - 10.0 mi

Top 55%
×2story building
+0ft-24ft

Overall

3591

Males

2290

M55-59

77

10M→10.5M

10.0 - 10.5 mi

Top 59%
×6story building
+1ft-73ft

Overall

3876

Males

2474

M55-59

87

10.5M→12M

10.5 - 12.0 mi

Top 55%
×21story building
+280ft-26ft

Overall

3634

Males

2289

M55-59

71

12M→Finish

12.0 - 13.1 mi

Top 52%
×7story building
+14ft-89ft

Overall

3407

Males

2182

M55-59

73

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#2636
2M → 4M
161124-37
#2636 → #2673
4M → 6M
28432-252
#2673 → #2925
6M → 8M
111144*+33
#2925 → #2892
8M → 9.6M
24610-236
#2892 → #3128
9.6M → 10M
6035-25
#3128 → #3153
10M → 10.5M
207-13
#3153 → #3166
10.5M → 12M
11952-67
#3166 → #3233
12M → Finish
4947*-2
#3233 → #3235
TOTALS
1050451*-599
#2636 → #3235

* 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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