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SF MARATHON 1ST HALF 2026

Shelby Morrell

Bib: 18445•F•Age: 33

Rocklin, 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

Start
0:00:00
Race begins
2M
20:41
Rank: #3644
Start → 2M
10:20/mi
20:41 split
4M
48:00
Rank: #5674 (-2030)
2M → 4M
13:40/mi
27:19 split
6M
1:11:33
Rank: #5383 (+291)
4M → 6M
11:46/mi
23:33 split
8M
1:38:24
Rank: #5525 (-142)
6M → 8M
13:25/mi
26:51 split
9.6M
1:56:18
Rank: #5507 (+18)
8M → 9.6M
11:11/mi
17:54 split
10M
2:05:49
Rank: #5504 (+3)
9.6M → 10M
23:49/mi
9:31 split
10.5M
2:08:52
Rank: #5502 (+2)
10M → 10.5M
6:06/mi
3:03 split
12M
2:34:59
Rank: #5488 (+14)
10.5M → 12M
17:25/mi
26:07 split
Finish· 13.11 mi
2:49:52
Rank: #5545 (-57)
12M → Finish
13:25/mi
14:53 split

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:11:33
Pace11:56 /mi
2nd Half
Distance7.11 mi
Time1:38:19
Pace13:50 /mi
📊Positive Split: 37.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:10:3720:4110:2020:41
10:20
-
4M
4.00 mi07:37:5648:0012:0027:19
13:40
+3:20
6M
6.00 mi08:01:291:11:3311:5623:33
11:46
-1:54
8M
8.00 mi08:28:201:38:2412:1826:51
13:25
+1:39
9.6M
9.60 mi08:46:141:56:1812:0717:54
11:11
-2:14
10M
10.00 mi08:55:452:05:4912:359:31
23:49
+12:38
10.5M
10.50 mi08:58:482:08:5212:163:03
6:06
-17:43
12M
12.00 mi09:24:552:34:5912:5526:07
17:25
+11:19
Finish
13.11 mi09:39:482:49:5212:5714:53
13:25
-4:00

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

6:06 /mi

Average Pace

12:57 /mi

Slowest Pace

23:49 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

23:44

14% of race

Time at Steady Pace

1:50:30

65% of race

Time at Slower Pace

35:38

21% of race

Average Pace: 12:57 /mi

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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 mi07:10:3720:4110:2020:41
10:20
#3644
4M
4.00 mi07:37:5648:0012:0027:19
13:40
#5674
6M
6.00 mi08:01:291:11:3311:5623:33
11:46
#5383
8M
8.00 mi08:28:201:38:2412:1826:51
13:25
#5525
9.6M
9.60 mi08:46:141:56:1812:0717:54
11:11
#5507
10M
10.00 mi08:55:452:05:4912:359:31
23:49
#5504
10.5M
10.50 mi08:58:482:08:5212:163:03
6:06
#5502
12M
12.00 mi09:24:552:34:5912:5526:07
17:25
#5488
Finish
13.11 mi09:39:482:49:5212:5714:53
13:25
#5545
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 80%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:34

Segment Time

13:58/mi

Pace

0.90 mi

Distance

Overall

5281

Women

2183

Division

510

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi364412472805105(Top 78%)2115(Top 72%)483(Top 74%)
4M4.00 mi2.00 mi5674-20302341-1094532-2526338(Top 96%)2767(Top 94%)620(Top 95%)
6M6.00 mi2.00 mi5383+2912155+186502+304831(Top 73%)1832(Top 63%)442(Top 68%)
8M8.00 mi2.00 mi5525-1422233-78524-225689(Top 87%)2345(Top 80%)540(Top 83%)
9.6M9.60 mi1.60 mi5507+182234-1526-25208(Top 79%)2176(Top 74%)497(Top 76%)
10M10.00 mi0.40 mi5504+32241-7524+25299(Top 81%)2203(Top 75%)505(Top 78%)
10.5M10.50 mi0.50 mi5502+22241523+15493(Top 84%)2301(Top 79%)527(Top 81%)
12M12.00 mi1.50 mi5488+142247-6518+55105(Top 78%)2115(Top 72%)483(Top 74%)
Finish13.11 mi1.11 mi5545-572291-44533-155765(Top 88%)2490(Top 85%)565(Top 87%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 78%
~flat
+5ft-3ft

Overall

5105

Females

2115

F30-34

485

2M→4M

2.0 - 4.0 mi

Top 96%
×4stories
+67ft-69ft

Overall

6338

Females

2767

F30-34

624

4M→6M

4.0 - 6.0 mi

Top 73%
×9stories
+123ft-9ft

Overall

4831

Females

1832

F30-34

445

6M→8M

6.0 - 8.0 mi

Top 87%
×12stories
+166ft-53ft

Overall

5689

Females

2345

F30-34

542

8M→9.6M

8.0 - 9.6 mi

Top 79%
×13stories
+68ft-193ft

Overall

5208

Females

2176

F30-34

499

9.6M→10M

9.6 - 10.0 mi

Top 81%
×2stories
+0ft-24ft

Overall

5299

Females

2203

F30-34

507

10M→10.5M

10.0 - 10.5 mi

Top 84%
×6stories
+1ft-73ft

Overall

5493

Females

2301

F30-34

529

10.5M→12M

10.5 - 12.0 mi

Top 78%
×21stories
+280ft-26ft

Overall

5105

Females

2115

F30-34

485

12M→Finish

12.0 - 13.1 mi

Top 88%
×7stories
+14ft-89ft

Overall

5765

Females

2490

F30-34

565

Passing Analysis

Category:
Athletes Passed
639*
Passed By
2540
Net Change
-1901
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3644
2M → 4M02030-2030#3644#5674
4M → 6M308*17+291#5674#5383
6M → 8M62*204-142#5383#5525
8M → 9.6M11597+18#5525#5507
9.6M → 10M3835+3#5507#5504
10M → 10.5M86+2#5504#5502
10.5M → 12M74*60+14#5502#5488
12M → Finish34*91-57#5488#5545
TOTALS639*2540-1901

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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The San Francisco Marathon

The San Francisco Marathon

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