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SF MARATHON 2ND HALF 2026

Gemma Villalobos

Bib: 24196•F•Age: 18

Montebello, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Female)
#0 / 1760
Top 46%
F19 & Under
#0 / 52
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
19:44
Rank: #1930
Start → 2M
9:52/mi
19:44 split
4M
39:16
Rank: #2030 (-100)
2M → 4M
9:46/mi
19:32 split
6M
1:03:58
Rank: #2031 (-1)
4M → 6M
12:21/mi
24:42 split
8M
1:20:00
Rank: #2078 (-47)
6M → 8M
8:01/mi
16:02 split
10M
1:43:17
Rank: #2183 (-105)
8M → 10M
11:39/mi
23:17 split
12M
2:06:50
Rank: #2219 (-36)
10M → 12M
11:46/mi
23:33 split
Finish· 13.11 mi
2:19:23
Rank: #2216 (+3)
12M → Finish
11:19/mi
12:33 split

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:03:58
Pace10:40 /mi
2nd Half
Distance7.11 mi
Time1:15:25
Pace10:37 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:01:5719:449:5219:44
9:52
-
4M
4.00 mi09:21:2939:169:4919:32
9:46
-0:06
6M
6.00 mi09:46:111:03:5810:4024:42
12:21
+2:35
8M
8.00 mi10:02:131:20:0010:0016:02
8:01
-4:20
10M
10.00 mi10:25:301:43:1710:2023:17
11:39
+3:38
12M
12.00 mi10:49:032:06:5010:3423:33
11:46
+0:07
Finish
13.11 mi11:01:362:19:2310:3812:33
11:19
-0:27

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

8:01 /mi

Average Pace

10:38 /mi

Slowest Pace

12:21 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

55:18

40% of race

Time at Steady Pace

59:23

43% of race

Time at Slower Pace

24:42

18% of race

Average Pace: 10:38 /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 mi09:01:5719:449:5219:44
9:52
#1930
4M
4.00 mi09:21:2939:169:4919:32
9:46
#2030
6M
6.00 mi09:46:111:03:5810:4024:42
12:21
#2031
8M
8.00 mi10:02:131:20:0010:0016:02
8:01
#2078
10M
10.00 mi10:25:301:43:1710:2023:17
11:39
#2183
12M
12.00 mi10:49:032:06:5010:3423:33
11:46
#2219
Finish
13.11 mi11:01:362:19:2310:3812:33
11:19
#2216
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF19 & UnderSeg. OverallSeg. FemalesSeg. F19 & Under
2M2.00 mi2.00 mi1930655322329(Top 61%)911(Top 52%)33(Top 63%)
4M4.00 mi2.00 mi2030-100706-5129+32187(Top 57%)800(Top 45%)30(Top 58%)
6M6.00 mi2.00 mi2031-1700+6292054(Top 53%)715(Top 41%)29(Top 56%)
8M8.00 mi2.00 mi2078-47721-2130-12245(Top 58%)811(Top 46%)35(Top 67%)
10M10.00 mi2.00 mi2183-105774-5331-12580(Top 67%)1022(Top 58%)39(Top 75%)
12M12.00 mi2.00 mi2219-36805-31312329(Top 61%)911(Top 52%)33(Top 63%)
Finish13.11 mi1.11 mi2216+3810-5312329(Top 61%)923(Top 52%)36(Top 69%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 61%
×9stories
+138ft-68ft

Overall

2329

Females

911

F15-19

31

2M→4M

2.0 - 4.0 mi

Top 57%
×13stories
+163ft-19ft

Overall

2187

Females

800

F15-19

28

4M→6M

4.0 - 6.0 mi

Top 53%
×4stories
+55ft-83ft

Overall

2054

Females

715

F15-19

27

6M→8M

6.0 - 8.0 mi

Top 58%
×10stories
+65ft-151ft

Overall

2245

Females

811

F15-19

33

8M→10M

8.0 - 10.0 mi

Top 67%
×10stories
+61ft-174ft

Overall

2580

Females

1022

F15-19

37

10M→12M

10.0 - 12.0 mi

Top 61%
×3stories
+41ft-53ft

Overall

2329

Females

911

F15-19

31

12M→Finish

12.0 - 13.1 mi

Top 61%
×1human
+6ft-6ft

Overall

2329

Females

923

F15-19

34

Passing Analysis

Category:
Athletes Passed
194*
Passed By
480
Net Change
-286
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1930
2M → 4M56156-100#1930#2030
4M → 6M4748-1#2030#2031
6M → 8M2471-47#2031#2078
8M → 10M13*118-105#2078#2183
10M → 12M3470-36#2183#2219
12M → Finish20*17+3#2219#2216
TOTALS194*480-286

* 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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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon