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SF MARATHON 1ST HALF 2026

Gilda Acosta

Bib: 18093•F•Age: 38

Cuernavaca

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F35-39)
#0 / 388
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
12:19/mi
24:39
→ flat
4M
12:39/mi
49:56
↑ 67↓ 69
6M
12:29/mi
1:14:54
↑ 1231.1%
8M
11:34/mi
1:38:01
↑ 166↓ 531.1%
9.6M
11:34/mi
1:56:31
↑ 68↓ 1931.5%
10M
20:16/mi
2:04:37
↓ 241.1%
10.5M
5:48/mi
2:07:31
↓ 732.7%
12M
15:31/mi
2:30:47
↑ 2803.2%
Finish· 13.11 mi
10:59/mi
2:42:58
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:14:54
Pace12:29 /mi
2nd Half
Distance7.11 mi
Time1:28:04
Pace12:23 /mi
📊Positive Split: 17.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:14:0224:3912:1924:39
12:19
-
4M
4.00 mi07:39:1949:5612:2925:17
12:39
+0:20
6M
6.00 mi08:04:171:14:5412:2924:58
12:29
-0:10
8M
8.00 mi08:27:241:38:0112:1523:07
11:34
-0:55
9.6M
9.60 mi08:45:541:56:3112:0818:30
11:34
0:00
10M
10.00 mi08:54:002:04:3712:288:06
20:16
+8:42
10.5M
10.50 mi08:56:542:07:3112:092:54
5:48
-14:28
12M
12.00 mi09:20:102:30:4712:3423:16
15:31
+9:43
Finish
13.11 mi09:32:212:42:5812:2612:11
10:59
-4:32

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

5:48 /mi

Average Pace

12:26 /mi

Slowest Pace

20:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54

2% of race

Time at Steady Pace

2:08:42

79% of race

Time at Slower Pace

31:22

19% of race

Average Pace: 12:26 /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 mi07:14:0224:3912:1924:39
12:19
#6140
4M
4.00 mi07:39:1949:5612:2925:17
12:39
#6048
6M
6.00 mi08:04:171:14:5412:2924:58
12:29
#5877
8M
8.00 mi08:27:241:38:0112:1523:07
11:34
#5477
9.6M
9.60 mi08:45:541:56:3112:0818:30
11:34
#5524
10M
10.00 mi08:54:002:04:3712:288:06
20:16
#5400
10.5M
10.50 mi08:56:542:07:3112:092:54
5:48
#5389
12M
12.00 mi09:20:102:30:4712:3423:16
15:31
#5129
Finish
13.11 mi09:32:212:42:5812:2612:11
10:59
#4977
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 59%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:00

Segment Time

12:14/mi

Pace

0.90 mi

Distance

Overall

3884

Women

1409

Division

183

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi614026343393919(Top 60%)1464(Top 50%)186(Top 48%)
4M4.00 mi2.00 mi6048+922577+57328+115930(Top 90%)2512(Top 86%)311(Top 80%)
6M6.00 mi2.00 mi5877+1712456+121307+215500(Top 84%)2230(Top 76%)273(Top 70%)
8M8.00 mi2.00 mi5477+4002205+251272+354132(Top 63%)1466(Top 50%)193(Top 50%)
9.6M9.60 mi1.60 mi5524-472247-42276-45513(Top 84%)2335(Top 80%)299(Top 77%)
10M10.00 mi0.40 mi5400+1242174+73267+93622(Top 55%)1307(Top 45%)171(Top 44%)
10.5M10.50 mi0.50 mi5389+112165+9263+45026(Top 76%)2026(Top 69%)249(Top 64%)
12M12.00 mi1.50 mi5129+2602034+131246+173919(Top 60%)1464(Top 50%)186(Top 48%)
Finish13.11 mi1.11 mi4977+1521959+75239+74000(Top 61%)1505(Top 51%)193(Top 50%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 60%
~flat
+5ft-3ft

Overall

3919

Females

1464

F35-39

186

2M→4M

2.0 - 4.0 mi

Top 90%
×4story building
+67ft-69ft

Overall

5930

Females

2512

F35-39

312

4M→6M

4.0 - 6.0 mi

Top 84%
×9story building
+123ft-9ft

Overall

5500

Females

2230

F35-39

273

6M→8M

6.0 - 8.0 mi

Top 63%
×12story building
+166ft-53ft

Overall

4132

Females

1466

F35-39

193

8M→9.6M

8.0 - 9.6 mi

Top 84%
×13story building
+68ft-193ft

Overall

5513

Females

2335

F35-39

299

9.6M→10M

9.6 - 10.0 mi

Top 55%
×2story building
+0ft-24ft

Overall

3622

Females

1307

F35-39

171

10M→10.5M

10.0 - 10.5 mi

Top 76%
×6story building
+1ft-73ft

Overall

5026

Females

2026

F35-39

249

10.5M→12M

10.5 - 12.0 mi

Top 60%
×21story building
+280ft-26ft

Overall

3919

Females

1464

F35-39

186

12M→Finish

12.0 - 13.1 mi

Top 61%
×7story building
+14ft-89ft

Overall

4000

Females

1505

F35-39

193

Passing Analysis

Category:
Athletes Passed
1440*
Passed By
277
Net Change
+1163
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6140
2M → 4M154*62+92#6140#6048
4M → 6M194*23+171#6048#5877
6M → 8M407*7+400#5877#5477
8M → 9.6M81128-47#5477#5524
9.6M → 10M13511+124#5524#5400
10M → 10.5M2211+11#5400#5389
10.5M → 12M295*35+260#5389#5129
12M → Finish152*0+152#5129#4977
TOTALS1440*277+1163

* 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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Questions or issues regarding timing data?

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events