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SF MARATHON 1ST HALF 2026

Sophia Calkhoven

Bib: 13687•F•Age: 30

Calgary, AB

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
10:45/mi
21:30
→ flat
4M
12:04/mi
45:38
↑ 67↓ 69
6M
11:29/mi
1:08:37
↑ 1231.1%
8M
12:10/mi
1:32:58
↑ 166↓ 531.1%
9.6M
10:17/mi
1:49:25
↑ 68↓ 1931.5%
10M
18:54/mi
1:56:58
↓ 241.1%
10.5M
5:24/mi
1:59:40
↓ 732.7%
12M
15:15/mi
2:22:32
↑ 2803.2%
Finish· 13.11 mi
8:58/mi
2:32:29
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:08:37
Pace11:26 /mi
2nd Half
Distance7.11 mi
Time1:23:52
Pace11:48 /mi
📊Positive Split: 22.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:58:5821:3010:4521:30
10:45
-
4M
4.00 mi07:23:0645:3811:2524:08
12:04
+1:19
6M
6.00 mi07:46:051:08:3711:2622:59
11:29
-0:35
8M
8.00 mi08:10:261:32:5811:3724:21
12:10
+0:41
9.6M
9.60 mi08:26:531:49:2511:2416:27
10:17
-1:53
10M
10.00 mi08:34:261:56:5811:427:33
18:54
+8:37
10.5M
10.50 mi08:37:081:59:4011:242:42
5:24
-13:30
12M
12.00 mi09:00:002:22:3211:5322:52
15:15
+9:51
Finish
13.11 mi09:09:572:32:2911:389:57
8:58
-6:17

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

5:24 /mi

Average Pace

11:38 /mi

Slowest Pace

18:54 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:39

8% of race

Time at Steady Pace

1:49:25

72% of race

Time at Slower Pace

30:25

20% of race

Average Pace: 11:38 /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 mi06:58:5821:3010:4521:30
10:45
#4302
4M
4.00 mi07:23:0645:3811:2524:08
12:04
#5043
6M
6.00 mi07:46:051:08:3711:2622:59
11:29
#4820
8M
8.00 mi08:10:261:32:5811:3724:21
12:10
#4793
9.6M
9.60 mi08:26:531:49:2511:2416:27
10:17
#4710
10M
10.00 mi08:34:261:56:5811:427:33
18:54
#4521
10.5M
10.50 mi08:37:081:59:4011:242:42
5:24
#4509
12M
12.00 mi09:00:002:22:3211:5322:52
15:15
#4349
Finish
13.11 mi09:09:572:32:2911:389:57
8:58
#4071
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 47%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:15

Segment Time

11:24/mi

Pace

0.90 mi

Distance

Overall

3100

Women

1036

Division

234

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi430215593563716(Top 57%)1368(Top 47%)306(Top 47%)
4M4.00 mi2.00 mi5043-7411970-411456-1005478(Top 83%)2225(Top 76%)514(Top 79%)
6M6.00 mi2.00 mi4820+2231839+131431+254495(Top 68%)1670(Top 57%)394(Top 61%)
8M8.00 mi2.00 mi4793+271805+34419+124746(Top 72%)1765(Top 60%)412(Top 63%)
9.6M9.60 mi1.60 mi4710+831780+25416+34329(Top 66%)1723(Top 59%)392(Top 60%)
10M10.00 mi0.40 mi4521+1891689+91399+172924(Top 44%)963(Top 33%)210(Top 32%)
10.5M10.50 mi0.50 mi4509+121686+3398+14146(Top 63%)1534(Top 52%)353(Top 54%)
12M12.00 mi1.50 mi4349+1601618+68378+203716(Top 57%)1368(Top 47%)306(Top 47%)
Finish13.11 mi1.11 mi4071+2781483+135345+331627(Top 25%)420(Top 14%)99(Top 15%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 57%
~flat
+5ft-3ft

Overall

3716

Females

1368

F30-34

308

2M→4M

2.0 - 4.0 mi

Top 83%
×4story building
+67ft-69ft

Overall

5478

Females

2225

F30-34

517

4M→6M

4.0 - 6.0 mi

Top 68%
×9story building
+123ft-9ft

Overall

4495

Females

1670

F30-34

396

6M→8M

6.0 - 8.0 mi

Top 72%
×12story building
+166ft-53ft

Overall

4746

Females

1765

F30-34

414

8M→9.6M

8.0 - 9.6 mi

Top 66%
×13story building
+68ft-193ft

Overall

4329

Females

1723

F30-34

394

9.6M→10M

9.6 - 10.0 mi

Top 44%
×2story building
+0ft-24ft

Overall

2924

Females

963

F30-34

212

10M→10.5M

10.0 - 10.5 mi

Top 63%
×6story building
+1ft-73ft

Overall

4146

Females

1534

F30-34

355

10.5M→12M

10.5 - 12.0 mi

Top 57%
×21story building
+280ft-26ft

Overall

3716

Females

1368

F30-34

308

12M→Finish

12.0 - 13.1 mi

Top 25%
×7story building
+14ft-89ft

Overall

1627

Females

420

F30-34

99

Passing Analysis

Category:
Athletes Passed
1357*
Passed By
1126
Net Change
+231
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4302
2M → 4M32773-741#4302#5043
4M → 6M262*39+223#5043#4820
6M → 8M168*141+27#4820#4793
8M → 9.6M197114+83#4793#4710
9.6M → 10M1923+189#4710#4521
10M → 10.5M2210+12#4521#4509
10.5M → 12M206*46+160#4509#4349
12M → Finish278*0+278#4349#4071
TOTALS1357*1126+231

* 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