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SF MARATHON 1ST HALF 2026

Jenny Acosta

Bib: 19288•F•Age: 25

Riverside, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 34%
Gender (Female)
#0 / 2930
Top 22%
Division (F25-29)
#0 / 674
Top 25%
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
9:31/mi
19:03
→ flat
4M
9:37/mi
38:17
↑ 67↓ 69
6M
9:50/mi
57:58
↑ 1231.1%
8M
11:08/mi
1:20:14
↑ 166↓ 531.1%
9.6M
7:43/mi
1:32:35
↑ 68↓ 1931.5%
10M
17:29/mi
1:39:34
↓ 241.1%
10.5M
4:38/mi
1:41:53
↓ 732.7%
12M
13:28/mi
2:02:05
↑ 2803.2%
Finish· 13.11 mi
9:27/mi
2:12:34
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time57:58
Pace9:40 /mi
2nd Half
Distance7.11 mi
Time1:14:36
Pace10:30 /mi
📊Positive Split: 28.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:08:5419:039:3119:03
9:31
-
4M
4.00 mi07:28:0838:179:3419:14
9:37
+0:06
6M
6.00 mi07:47:4957:589:4019:41
9:50
+0:13
8M
8.00 mi08:10:051:20:1410:0222:16
11:08
+1:18
9.6M
9.60 mi08:22:261:32:359:3912:21
7:43
-3:25
10M
10.00 mi08:29:251:39:349:576:59
17:29
+9:46
10.5M
10.50 mi08:31:441:41:539:422:19
4:38
-12:51
12M
12.00 mi08:51:562:02:0510:1020:12
13:28
+8:50
Finish
13.11 mi09:02:252:12:3410:0710:29
9:27
-4:01

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

4:38 /mi

Average Pace

10:07 /mi

Slowest Pace

17:29 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:40

11% of race

Time at Steady Pace

1:30:43

68% of race

Time at Slower Pace

27:11

21% of race

Average Pace: 10:07 /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 mi07:08:5419:039:3119:03
9:31
#2289
4M
4.00 mi07:28:0838:179:3419:14
9:37
#2260
6M
6.00 mi07:47:4957:589:4019:41
9:50
#2299
8M
8.00 mi08:10:051:20:1410:0222:16
11:08
#2689
9.6M
9.60 mi08:22:261:32:359:3912:21
7:43
#2349
10M
10.00 mi08:29:251:39:349:576:59
17:29
#2313
10.5M
10.50 mi08:31:441:41:539:422:19
4:38
#2301
12M
12.00 mi08:51:562:02:0510:1020:12
13:28
#2293
Finish
13.11 mi09:02:252:12:3410:0710:29
9:27
#2257
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 31%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:18

Segment Time

10:20/mi

Pace

0.90 mi

Distance

Overall

2038

Women

575

Division

141

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi22896451532303(Top 35%)695(Top 24%)179(Top 27%)
4M4.00 mi2.00 mi2260+29623+22147+62287(Top 35%)633(Top 22%)152(Top 23%)
6M6.00 mi2.00 mi2299-39649-26157-102442(Top 37%)713(Top 24%)177(Top 26%)
8M8.00 mi2.00 mi2689-390785-136188-313690(Top 56%)1259(Top 43%)310(Top 46%)
9.6M9.60 mi1.60 mi2349+340675+110168+201259(Top 19%)414(Top 14%)110(Top 16%)
10M10.00 mi0.40 mi2313+36667+8163+52094(Top 32%)619(Top 21%)146(Top 22%)
10.5M10.50 mi0.50 mi2301+12664+3161+22185(Top 33%)625(Top 21%)154(Top 23%)
12M12.00 mi1.50 mi2293+8662+2162-12303(Top 35%)695(Top 24%)179(Top 27%)
Finish13.11 mi1.11 mi2257+36649+13166-42191(Top 33%)644(Top 22%)176(Top 26%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 35%
~flat
+5ft-3ft

Overall

2303

Females

695

F25-29

179

2M→4M

2.0 - 4.0 mi

Top 35%
×4story building
+67ft-69ft

Overall

2287

Females

633

F25-29

152

4M→6M

4.0 - 6.0 mi

Top 37%
×9story building
+123ft-9ft

Overall

2442

Females

713

F25-29

177

6M→8M

6.0 - 8.0 mi

Top 56%
×12story building
+166ft-53ft

Overall

3690

Females

1259

F25-29

310

8M→9.6M

8.0 - 9.6 mi

Top 19%
×13story building
+68ft-193ft

Overall

1259

Females

414

F25-29

110

9.6M→10M

9.6 - 10.0 mi

Top 32%
×2story building
+0ft-24ft

Overall

2094

Females

619

F25-29

146

10M→10.5M

10.0 - 10.5 mi

Top 33%
×6story building
+1ft-73ft

Overall

2185

Females

625

F25-29

154

10.5M→12M

10.5 - 12.0 mi

Top 35%
×21story building
+280ft-26ft

Overall

2303

Females

695

F25-29

179

12M→Finish

12.0 - 13.1 mi

Top 33%
×7story building
+14ft-89ft

Overall

2191

Females

644

F25-29

176

Passing Analysis

Category:
Athletes Passed
765*
Passed By
733
Net Change
+32
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2289
2M → 4M12596+29#2289#2260
4M → 6M73112-39#2260#2299
6M → 8M14*404-390#2299#2689
8M → 9.6M35616+340#2689#2349
9.6M → 10M5216+36#2349#2313
10M → 10.5M153+12#2313#2301
10.5M → 12M7567+8#2301#2293
12M → Finish55*19+36#2293#2257
TOTALS765*733+32

* 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