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SF MARATHON 1ST HALF 2026

Alison Desopo

Bib: 19286•F•Age: 33

Oceanside, 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

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
11:46/mi
23:32
→ flat
4M
10:59/mi
45:29
↑ 67↓ 69
6M
11:32/mi
1:08:33
↑ 1231.1%
8M
10:57/mi
1:30:26
↑ 166↓ 531.1%
9.6M
10:57/mi
1:47:57
↑ 68↓ 1931.5%
10M
20:04/mi
1:55:58
↓ 241.1%
10.5M
5:22/mi
1:58:39
↓ 732.7%
12M
15:13/mi
2:21:28
↑ 2803.2%
Finish· 13.11 mi
10:55/mi
2:33:35
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:08:33
Pace11:26 /mi
2nd Half
Distance7.11 mi
Time1:25:02
Pace11:58 /mi
📊Positive Split: 24.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:04:4823:3211:4623:32
11:46
-
4M
4.00 mi07:26:4545:2911:2221:57
10:59
-0:47
6M
6.00 mi07:49:491:08:3311:2623:04
11:32
+0:33
8M
8.00 mi08:11:421:30:2611:1821:53
10:57
-0:35
9.6M
9.60 mi08:29:131:47:5711:1517:31
10:57
0:00
10M
10.00 mi08:37:141:55:5811:368:01
20:04
+9:07
10.5M
10.50 mi08:39:551:58:3911:182:41
5:22
-14:42
12M
12.00 mi09:02:442:21:2811:4722:49
15:13
+9:51
Finish
13.11 mi09:14:512:33:3511:4312:07
10:55
-4:18

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

5:22 /mi

Average Pace

11:43 /mi

Slowest Pace

20:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41

2% of race

Time at Steady Pace

2:00:04

78% of race

Time at Slower Pace

30:50

20% of race

Average Pace: 11:43 /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 mi07:04:4823:3211:4623:32
11:46
#5661
4M
4.00 mi07:26:4545:2911:2221:57
10:59
#4993
6M
6.00 mi07:49:491:08:3311:2623:04
11:32
#4807
8M
8.00 mi08:11:421:30:2611:1821:53
10:57
#4351
9.6M
9.60 mi08:29:131:47:5711:1517:31
10:57
#4505
10M
10.00 mi08:37:141:55:5811:368:01
20:04
#4387
10.5M
10.50 mi08:39:551:58:3911:182:41
5:22
#4380
12M
12.00 mi09:02:442:21:2811:4722:49
15:13
#4220
Finish
13.11 mi09:14:512:33:3511:4312:07
10:55
#4166
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 54%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:42

Segment Time

11:54/mi

Pace

0.90 mi

Distance

Overall

3545

Women

1254

Division

287

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi566123415283693(Top 56%)1358(Top 46%)303(Top 47%)
4M4.00 mi2.00 mi4993+6681937+404446+824173(Top 63%)1499(Top 51%)338(Top 52%)
6M6.00 mi2.00 mi4807+1861831+106428+184538(Top 69%)1686(Top 58%)400(Top 61%)
8M8.00 mi2.00 mi4351+4561564+267362+663486(Top 53%)1156(Top 39%)268(Top 41%)
9.6M9.60 mi1.60 mi4505-1541674-110392-304990(Top 76%)2062(Top 70%)471(Top 72%)
10M10.00 mi0.40 mi4387+1181626+48381+113518(Top 54%)1250(Top 43%)282(Top 43%)
10.5M10.50 mi0.50 mi4380+71620+63814071(Top 62%)1494(Top 51%)337(Top 52%)
12M12.00 mi1.50 mi4220+1601556+64362+193693(Top 56%)1358(Top 46%)303(Top 47%)
Finish13.11 mi1.11 mi4166+541532+24356+63934(Top 60%)1471(Top 50%)341(Top 52%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 56%
~flat
+5ft-3ft

Overall

3693

Females

1358

F30-34

305

2M→4M

2.0 - 4.0 mi

Top 63%
×4story building
+67ft-69ft

Overall

4173

Females

1499

F30-34

341

4M→6M

4.0 - 6.0 mi

Top 69%
×9story building
+123ft-9ft

Overall

4538

Females

1686

F30-34

402

6M→8M

6.0 - 8.0 mi

Top 53%
×12story building
+166ft-53ft

Overall

3486

Females

1156

F30-34

270

8M→9.6M

8.0 - 9.6 mi

Top 76%
×13story building
+68ft-193ft

Overall

4990

Females

2062

F30-34

473

9.6M→10M

9.6 - 10.0 mi

Top 54%
×2story building
+0ft-24ft

Overall

3518

Females

1250

F30-34

284

10M→10.5M

10.0 - 10.5 mi

Top 62%
×6story building
+1ft-73ft

Overall

4071

Females

1494

F30-34

339

10.5M→12M

10.5 - 12.0 mi

Top 56%
×21story building
+280ft-26ft

Overall

3693

Females

1358

F30-34

305

12M→Finish

12.0 - 13.1 mi

Top 60%
×7story building
+14ft-89ft

Overall

3934

Females

1471

F30-34

341

Passing Analysis

Category:
Athletes Passed
1881*
Passed By
386
Net Change
+1495
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5661
2M → 4M681*13+668#5661#4993
4M → 6M236*50+186#4993#4807
6M → 8M473*17+456#4807#4351
8M → 9.6M58212-154#4351#4505
9.6M → 10M12911+118#4505#4387
10M → 10.5M158+7#4387#4380
10.5M → 12M206*46+160#4380#4220
12M → Finish83*29+54#4220#4166
TOTALS1881*386+1495

* 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