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SF MARATHON 1ST HALF 2026

Jaime Gastelum

Amer Cyn, CA

Bib: 14281 M 83

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
M80+
#0 / 1
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
10:15/mi
20:31
→ flat
12 ft elev
4M
10:13/mi
40:56
↑ 67↓ 69
10 ft elev
6M
10:22/mi
1:01:41
↑ 1231.1%
126 ft elev
8M
10:27/mi
1:22:36
↑ 166↓ 531.1%
246 ft elev
9.6M
10:27/mi
1:39:20
↑ 68↓ 1931.5%
126 ft elev
10M
23:12/mi
1:48:36
↓ 241.1%
90 ft elev
10.5M
5:20/mi
1:51:16
↓ 732.7%
18 ft elev
12M
15:29/mi
2:14:30
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
11:00/mi
2:26:42
↑ 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
1:01:4110:17 /mi⚡ faster
2nd Half
1:25:0111:58 /mi+37.8%
Positive split — 37.8% 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
20:3110:152.00 mi20:31
10:15
-
4M
40:5610:142.00 mi20:25
10:13
-0:02
6M
1:01:4110:172.00 mi20:45
10:22
+0:09
8M
1:22:3610:192.00 mi20:55
10:27
+0:05
9.6M
1:39:2010:211.60 mi16:44
10:27
0:00
10M
1:48:3610:520.40 mi9:16
23:12
+12:45
10.5M
1:51:1610:360.50 mi2:40
5:20
-17:52
12M
2:14:3011:131.50 mi23:14
15:29
+10:09
Finish(13.11 mi)
2:26:4211:111.11 mi12:12
11:00
-4:29
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

5:20 /mi

Average Pace

11:11 /mi

Slowest Pace

23:12 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:40

2% of race

Time at Steady Pace

1:51:32

76% of race

Time at Slower Pace

32:30

22% of race

Average Pace: 11:11 /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 73%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:56

Segment Time

13:16/mi

Pace

0.90 mi

Distance

Overall

4777

Men

2854

Division

1

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM80+Seg. OverallSeg. MalesSeg. M80+
2M2.00 mi348223001389324311
4M2.00 mi3264+2182189+1111311221141
6M2.00 mi3193+712157+321312121231
8M2.00 mi3064+1292110+471293620421
9.6M1.60 mi3294-2302217-1071452526841
10M0.40 mi3459-1652295-781503129681
10.5M0.50 mi3471-122304-91397325211
12M1.50 mi3531-602320-161389324311
Finish(13.11 mi)1.11 mi3549-182326-61400824831

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 59%
~flat
+5ft-3ft

Overall

3893

Males

2431

M80-99

1

2M→4M

2.0 - 4.0 mi

Top 47%
×4story building
+67ft-69ft

Overall

3112

Males

2114

M80-99

1

4M→6M

4.0 - 6.0 mi

Top 47%
×9story building
+123ft-9ft

Overall

3121

Males

2123

M80-99

1

6M→8M

6.0 - 8.0 mi

Top 45%
×12story building
+166ft-53ft

Overall

2936

Males

2042

M80-99

1

8M→9.6M

8.0 - 9.6 mi

Top 69%
×13story building
+68ft-193ft

Overall

4525

Males

2684

M80-99

1

9.6M→10M

9.6 - 10.0 mi

Top 77%
×2story building
+0ft-24ft

Overall

5031

Males

2968

M80-99

1

10M→10.5M

10.0 - 10.5 mi

Top 60%
×6story building
+1ft-73ft

Overall

3973

Males

2521

M80-99

1

10.5M→12M

10.5 - 12.0 mi

Top 59%
×21story building
+280ft-26ft

Overall

3893

Males

2431

M80-99

1

12M→Finish

12.0 - 13.1 mi

Top 61%
×7story building
+14ft-89ft

Overall

4008

Males

2483

M80-99

1

Passing Analysis

Category:
Passed
780*
Passed By
847
Net Change
-67
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3482
2M → 4M30486+218#3482#3264
4M → 6M14473+71#3264#3193
6M → 8M206*77+129#3193#3064
8M → 9.6M15245-230#3064#3294
9.6M → 10M9174-165#3294#3459
10M → 10.5M618-12#3459#3471
10.5M → 12M61121-60#3471#3531
12M → Finish35*53-18#3531#3549
TOTALS780*847-67

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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