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SF MARATHON 1ST HALF 2026

Susanna Constantino

Stockton, CA

Bib: 13375 F 53

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 20%
Gender (Female)
#0 / 2930
Top 9%
Masters (Masters Women)
#0 / 781
Top 6%
Division (F50-54)
#0 / 143
Top 6%
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
8:31/mi
17:03
→ flat
4M
8:52/mi
34:47
↑ 67↓ 69
6M
8:49/mi
52:25
↑ 123
8M
9:58/mi
1:12:21
↑ 166↓ 53
9.6M
7:19/mi
1:24:03
↑ 68↓ 193
10M
16:46/mi
1:30:45
↓ 24
10.5M
4:28/mi
1:32:59
↓ 73
12M
12:21/mi
1:51:30
↑ 280
Finish· 13.11 mi
8:59/mi
2:01:28
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
52:258:44 /mi⚡ faster
2nd Half
1:09:039:43 /mi+31.7%
Positive split — 31.7% 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
17:038:312.00 mi17:03
8:31
-
4M
34:478:422.00 mi17:44
8:52
+0:21
6M
52:258:442.00 mi17:38
8:49
-0:03
8M
1:12:219:032.00 mi19:56
9:58
+1:09
9.6M
1:24:038:451.60 mi11:42
7:19
-2:39
10M
1:30:459:050.40 mi6:42
16:46
+9:27
10.5M
1:32:598:510.50 mi2:14
4:28
-12:18
12M
1:51:309:181.50 mi18:31
12:21
+7:53
Finish(13.11 mi)
2:01:289:161.11 mi9:58
8:59
-3:22
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

4:28 /mi

Average Pace

9:16 /mi

Slowest Pace

16:46 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:14

2% of race

Time at Steady Pace

1:34:01

77% of race

Time at Slower Pace

25:13

21% of race

Average Pace: 9:16 /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 25%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:56

Segment Time

9:56/mi

Pace

0.90 mi

Distance

Overall

1627

Women

404

Division

17

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
2M2.00 mi9371803145838418
4M2.00 mi1056-119210-308-512322489
6M2.00 mi1083-27218-89-112112468
8M2.00 mi1377-294284-6611-2234663728
9.6M1.60 mi1259+118258+269+29052698
10M0.40 mi1271-12261-39167243619
10.5M0.50 mi1276-5263-29171241919
12M1.50 mi1300-24276-139145838418
Finish(13.11 mi)1.11 mi1291+9277-19162942116

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 22%
~flat
+5ft-3ft

Overall

1458

Females

384

F50-54

19

2M→4M

2.0 - 4.0 mi

Top 19%
×4story building
+67ft-69ft

Overall

1232

Females

248

F50-54

10

4M→6M

4.0 - 6.0 mi

Top 18%
×9story building
+123ft-9ft

Overall

1211

Females

246

F50-54

9

6M→8M

6.0 - 8.0 mi

Top 36%
×12story building
+166ft-53ft

Overall

2346

Females

637

F50-54

30

8M→9.6M

8.0 - 9.6 mi

Top 14%
×13story building
+68ft-193ft

Overall

905

Females

269

F50-54

10

9.6M→10M

9.6 - 10.0 mi

Top 25%
×2story building
+0ft-24ft

Overall

1672

Females

436

F50-54

20

10M→10.5M

10.0 - 10.5 mi

Top 26%
×6story building
+1ft-73ft

Overall

1712

Females

419

F50-54

19

10.5M→12M

10.5 - 12.0 mi

Top 22%
×21story building
+280ft-26ft

Overall

1458

Females

384

F50-54

19

12M→Finish

12.0 - 13.1 mi

Top 25%
×7story building
+14ft-89ft

Overall

1629

Females

421

F50-54

16

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#937
2M → 4M
15334-119
#937 → #1056
4M → 6M
6942-27
#1056 → #1083
6M → 8M
30915-294
#1083 → #1377
8M → 9.6M
52170+118
#1377 → #1259
9.6M → 10M
3523-12
#1259 → #1271
10M → 10.5M
127-5
#1271 → #1276
10.5M → 12M
7450-24
#1276 → #1300
12M → Finish
2635*+9
#1300 → #1291
TOTALS
730376*-354
#937 → #1291

* 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

Race Place Events

Race Place Events