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SF MARATHON 1ST HALF 2026

Aislinn Welch

Bib: 20774•F•Age: 23

Moraga, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 30%
Gender (Female)
#0 / 2930
Top 18%
F20-29
#0 / 353
Top 22%
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
8:52/mi
17:44
→ flat
4M
9:23/mi
36:30
↑ 67↓ 69
6M
9:39/mi
55:48
↑ 1231.1%
8M
9:25/mi
1:14:37
↑ 166↓ 531.1%
9.6M
9:25/mi
1:29:41
↑ 68↓ 1931.5%
10M
17:24/mi
1:36:38
↓ 241.1%
10.5M
4:34/mi
1:38:55
↓ 732.7%
12M
13:23/mi
1:59:00
↑ 2803.2%
Finish· 13.11 mi
9:25/mi
2:09:27
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time55:48
Pace9:18 /mi
2nd Half
Distance7.11 mi
Time1:13:39
Pace10:22 /mi
📊Positive Split: 32.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:52:1117:448:5217:44
8:52
-
4M
4.00 mi07:10:5736:309:0818:46
9:23
+0:31
6M
6.00 mi07:30:1555:489:1819:18
9:39
+0:16
8M
8.00 mi07:49:041:14:379:2018:49
9:25
-0:14
9.6M
9.60 mi08:04:081:29:419:2115:04
9:25
0:00
10M
10.00 mi08:11:051:36:389:406:57
17:24
+7:59
10.5M
10.50 mi08:13:221:38:559:252:17
4:34
-12:50
12M
12.00 mi08:33:271:59:009:5520:05
13:23
+8:49
Finish
13.11 mi08:43:542:09:279:5210:27
9:25
-3:58

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

4:34 /mi

Average Pace

9:52 /mi

Slowest Pace

17:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17

2% of race

Time at Steady Pace

1:40:08

77% of race

Time at Slower Pace

27:02

21% of race

Average Pace: 9:52 /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 mi06:52:1117:448:5217:44
8:52
#1347
4M
4.00 mi07:10:5736:309:0818:46
9:23
#1630
6M
6.00 mi07:30:1555:489:1819:18
9:39
#1846
8M
8.00 mi07:49:041:14:379:2018:49
9:25
#1758
9.6M
9.60 mi08:04:081:29:419:2115:04
9:25
#1961
10M
10.00 mi08:11:051:36:389:406:57
17:24
#1954
10.5M
10.50 mi08:13:221:38:559:252:17
4:34
#1956
12M
12.00 mi08:33:271:59:009:5520:05
13:23
#1988
Finish
13.11 mi08:43:542:09:279:5210:27
9:25
#1979
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 30%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:14

Segment Time

10:16/mi

Pace

0.90 mi

Distance

Overall

1963

Women

543

Division

84

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi1347300412233(Top 34%)664(Top 23%)102(Top 29%)
4M4.00 mi2.00 mi1630-283387-8756-151971(Top 30%)511(Top 17%)68(Top 19%)
6M6.00 mi2.00 mi1846-216460-7362-62226(Top 34%)619(Top 21%)83(Top 24%)
8M8.00 mi2.00 mi1758+88411+4954+81702(Top 26%)403(Top 14%)56(Top 16%)
9.6M9.60 mi1.60 mi1961-203512-10170-163257(Top 50%)1226(Top 42%)164(Top 46%)
10M10.00 mi0.40 mi1954+7519-773-32035(Top 31%)587(Top 20%)86(Top 24%)
10.5M10.50 mi0.50 mi1956-2521-272+12004(Top 30%)543(Top 19%)77(Top 22%)
12M12.00 mi1.50 mi1988-32540-1973-12233(Top 34%)664(Top 23%)102(Top 29%)
Finish13.11 mi1.11 mi1979+9541-176-32155(Top 33%)622(Top 21%)85(Top 24%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 34%
~flat
+5ft-3ft

Overall

2233

Females

664

F20-24

102

2M→4M

2.0 - 4.0 mi

Top 30%
×4story building
+67ft-69ft

Overall

1971

Females

511

F20-24

68

4M→6M

4.0 - 6.0 mi

Top 34%
×9story building
+123ft-9ft

Overall

2226

Females

619

F20-24

84

6M→8M

6.0 - 8.0 mi

Top 26%
×12story building
+166ft-53ft

Overall

1702

Females

403

F20-24

56

8M→9.6M

8.0 - 9.6 mi

Top 50%
×13story building
+68ft-193ft

Overall

3257

Females

1226

F20-24

164

9.6M→10M

9.6 - 10.0 mi

Top 31%
×2story building
+0ft-24ft

Overall

2035

Females

587

F20-24

86

10M→10.5M

10.0 - 10.5 mi

Top 30%
×6story building
+1ft-73ft

Overall

2004

Females

543

F20-24

77

10.5M→12M

10.5 - 12.0 mi

Top 34%
×21story building
+280ft-26ft

Overall

2233

Females

664

F20-24

102

12M→Finish

12.0 - 13.1 mi

Top 33%
×7story building
+14ft-89ft

Overall

2155

Females

622

F20-24

85

Passing Analysis

Category:
Athletes Passed
355*
Passed By
987
Net Change
-632
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1347
2M → 4M19302-283#1347#1630
4M → 6M15231-216#1630#1846
6M → 8M164*76+88#1846#1758
8M → 9.6M12215-203#1758#1961
9.6M → 10M3629+7#1961#1954
10M → 10.5M79-2#1954#1956
10.5M → 12M5284-32#1956#1988
12M → Finish50*41+9#1988#1979
TOTALS355*987-632

* 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