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SF MARATHON 1ST HALF 2026

Ruth Calcanas

Bib: 18731•F•Age: 30

Lakewood, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F30-34)
#0 / 651
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
13:27/mi
26:55
→ flat
4M
13:09/mi
53:12
↑ 67↓ 69
6M
13:43/mi
1:20:39
↑ 1231.1%
8M
15:33/mi
1:51:45
↑ 166↓ 531.1%
9.6M
10:31/mi
2:08:34
↑ 68↓ 1931.5%
10M
25:54/mi
2:18:55
↓ 241.1%
10.5M
7:12/mi
2:22:31
↓ 732.7%
12M
20:38/mi
2:53:28
↑ 2803.2%
Finish· 13.11 mi
14:32/mi
3:09:35
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:20:39
Pace13:27 /mi
2nd Half
Distance7.11 mi
Time1:48:56
Pace15:19 /mi
📊Positive Split: 35.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:16:5026:5513:2726:55
13:27
-
4M
4.00 mi07:43:0753:1213:1826:17
13:09
-0:18
6M
6.00 mi08:10:341:20:3913:2727:27
13:43
+0:34
8M
8.00 mi08:41:401:51:4513:5831:06
15:33
+1:50
9.6M
9.60 mi08:58:292:08:3413:2416:49
10:31
-5:02
10M
10.00 mi09:08:502:18:5513:5410:21
25:54
+15:23
10.5M
10.50 mi09:12:262:22:3113:343:36
7:12
-18:42
12M
12.00 mi09:43:232:53:2814:2730:57
20:38
+13:26
Finish
13.11 mi09:59:303:09:3514:2816:07
14:32
-6:06

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:12 /mi

Average Pace

14:28 /mi

Slowest Pace

25:54 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:25

11% of race

Time at Steady Pace

2:07:52

67% of race

Time at Slower Pace

41:18

22% of race

Average Pace: 14:28 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi07:16:5026:5513:2726:55
13:27
#6495
4M
4.00 mi07:43:0753:1213:1826:17
13:09
#6388
6M
6.00 mi08:10:341:20:3913:2727:27
13:43
#6324
8M
8.00 mi08:41:401:51:4513:5831:06
15:33
#6368
9.6M
9.60 mi08:58:292:08:3413:2416:49
10:31
#6297
10M
10.00 mi09:08:502:18:5513:5410:21
25:54
#6278
10.5M
10.50 mi09:12:262:22:3113:343:36
7:12
#6281
12M
12.00 mi09:43:232:53:2814:2730:57
20:38
#6305
Finish
13.11 mi09:59:303:09:3514:2816:07
14:32
#6284
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 90%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

13:57

Segment Time

15:30/mi

Pace

0.90 mi

Distance

Overall

5934

Women

2569

Division

582

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi649528676406258(Top 95%)2770(Top 95%)616(Top 95%)
4M4.00 mi2.00 mi6388+1072799+68631+96178(Top 94%)2666(Top 91%)606(Top 93%)
6M6.00 mi2.00 mi6324+642753+46622+96197(Top 94%)2664(Top 91%)608(Top 93%)
8M8.00 mi2.00 mi6368-442780-276226357(Top 97%)2779(Top 95%)625(Top 96%)
9.6M9.60 mi1.60 mi6297+712737+43619+34568(Top 69%)1848(Top 63%)423(Top 65%)
10M10.00 mi0.40 mi6278+192725+12616+35846(Top 89%)2526(Top 86%)569(Top 87%)
10.5M10.50 mi0.50 mi6281-32729-4618-26239(Top 95%)2743(Top 94%)621(Top 95%)
12M12.00 mi1.50 mi6305-242752-23620-26258(Top 95%)2770(Top 95%)616(Top 95%)
Finish13.11 mi1.11 mi6284+212738+14617+36098(Top 93%)2673(Top 91%)599(Top 92%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 95%
~flat
+5ft-3ft

Overall

6258

Females

2770

F30-34

618

2M→4M

2.0 - 4.0 mi

Top 94%
×4story building
+67ft-69ft

Overall

6178

Females

2666

F30-34

610

4M→6M

4.0 - 6.0 mi

Top 94%
×9story building
+123ft-9ft

Overall

6197

Females

2664

F30-34

611

6M→8M

6.0 - 8.0 mi

Top 97%
×12story building
+166ft-53ft

Overall

6357

Females

2779

F30-34

627

8M→9.6M

8.0 - 9.6 mi

Top 69%
×13story building
+68ft-193ft

Overall

4568

Females

1848

F30-34

425

9.6M→10M

9.6 - 10.0 mi

Top 89%
×2story building
+0ft-24ft

Overall

5846

Females

2526

F30-34

571

10M→10.5M

10.0 - 10.5 mi

Top 95%
×6story building
+1ft-73ft

Overall

6239

Females

2743

F30-34

623

10.5M→12M

10.5 - 12.0 mi

Top 95%
×21story building
+280ft-26ft

Overall

6258

Females

2770

F30-34

618

12M→Finish

12.0 - 13.1 mi

Top 93%
×7story building
+14ft-89ft

Overall

6098

Females

2673

F30-34

599

Passing Analysis

Category:
Athletes Passed
366*
Passed By
155
Net Change
+211
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6495
2M → 4M112*5+107#6495#6388
4M → 6M81*17+64#6388#6324
6M → 8M25*69-44#6324#6368
8M → 9.6M72*1+71#6368#6297
9.6M → 10M278+19#6297#6278
10M → 10.5M58-3#6278#6281
10.5M → 12M16*40-24#6281#6305
12M → Finish28*7+21#6305#6284
TOTALS366*155+211

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

📊

Passing Visuals

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