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SF MARATHON 1ST HALF 2026

Claire McWilliams

Bib: 17608•F•Age: 27

San Mateo, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 22%
Gender (Female)
#0 / 2930
Top 11%
Division (F25-29)
#0 / 674
Top 13%
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
9:54/mi
19:48
→ flat
4M
9:32/mi
38:52
↑ 67↓ 69
6M
9:19/mi
57:31
↑ 1231.1%
8M
10:00/mi
1:17:31
↑ 166↓ 531.1%
9.6M
6:59/mi
1:28:41
↑ 68↓ 1931.5%
10M
15:44/mi
1:34:58
↓ 241.1%
10.5M
4:34/mi
1:37:15
↓ 732.7%
12M
11:16/mi
1:54:09
↑ 2803.2%
Finish· 13.11 mi
8:22/mi
2:03:26
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time57:31
Pace9:35 /mi
2nd Half
Distance7.11 mi
Time1:05:55
Pace9:16 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:00:2219:489:5419:48
9:54
-
4M
4.00 mi07:19:2638:529:4319:04
9:32
-0:22
6M
6.00 mi07:38:0557:319:3518:39
9:19
-0:13
8M
8.00 mi07:58:051:17:319:4120:00
10:00
+0:41
9.6M
9.60 mi08:09:151:28:419:1411:10
6:59
-3:01
10M
10.00 mi08:15:321:34:589:306:17
15:44
+8:45
10.5M
10.50 mi08:17:491:37:159:162:17
4:34
-11:10
12M
12.00 mi08:34:431:54:099:3116:54
11:16
+6:42
Finish
13.11 mi08:44:002:03:269:259:17
8:22
-2:54

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

9:25 /mi

Slowest Pace

15:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

13:27

11% of race

Time at Steady Pace

1:26:48

70% of race

Time at Slower Pace

23:11

19% of race

Average Pace: 9:25 /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 mi07:00:2219:489:5419:48
9:54
#2852
4M
4.00 mi07:19:2638:529:4319:04
9:32
#2464
6M
6.00 mi07:38:0557:319:3518:39
9:19
#2205
8M
8.00 mi07:58:051:17:319:4120:00
10:00
#2219
9.6M
9.60 mi08:09:151:28:419:1411:10
6:59
#1838
10M
10.00 mi08:15:321:34:589:306:17
15:44
#1763
10.5M
10.50 mi08:17:491:37:159:162:17
4:34
#1761
12M
12.00 mi08:34:431:54:099:3116:54
11:16
#1529
Finish
13.11 mi08:44:002:03:269:259:17
8:22
#1460
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 19%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:34

Segment Time

9:31/mi

Pace

0.90 mi

Distance

Overall

1220

Women

261

Division

66

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi2852877200753(Top 11%)153(Top 5%)31(Top 5%)
4M4.00 mi2.00 mi2464+388717+160173+272152(Top 33%)577(Top 20%)140(Top 21%)
6M6.00 mi2.00 mi2205+259609+108146+271819(Top 28%)457(Top 16%)116(Top 17%)
8M8.00 mi2.00 mi2219-14590+19142+42373(Top 36%)646(Top 22%)158(Top 23%)
9.6M9.60 mi1.60 mi1838+381461+129110+32658(Top 10%)167(Top 6%)41(Top 6%)
10M10.00 mi0.40 mi1763+75439+22102+81090(Top 17%)255(Top 9%)59(Top 9%)
10.5M10.50 mi0.50 mi1761+2438+11021979(Top 30%)528(Top 18%)128(Top 19%)
12M12.00 mi1.50 mi1529+232360+7888+14753(Top 11%)153(Top 5%)31(Top 5%)
Finish13.11 mi1.11 mi1460+69333+2785+3948(Top 14%)192(Top 7%)47(Top 7%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 11%
~flat
+5ft-3ft

Overall

753

Females

153

F25-29

31

2M→4M

2.0 - 4.0 mi

Top 33%
×4story building
+67ft-69ft

Overall

2152

Females

577

F25-29

140

4M→6M

4.0 - 6.0 mi

Top 28%
×9story building
+123ft-9ft

Overall

1819

Females

457

F25-29

116

6M→8M

6.0 - 8.0 mi

Top 36%
×12story building
+166ft-53ft

Overall

2373

Females

646

F25-29

158

8M→9.6M

8.0 - 9.6 mi

Top 10%
×13story building
+68ft-193ft

Overall

658

Females

167

F25-29

41

9.6M→10M

9.6 - 10.0 mi

Top 17%
×2story building
+0ft-24ft

Overall

1090

Females

255

F25-29

59

10M→10.5M

10.0 - 10.5 mi

Top 30%
×6story building
+1ft-73ft

Overall

1979

Females

528

F25-29

128

10.5M→12M

10.5 - 12.0 mi

Top 11%
×21story building
+280ft-26ft

Overall

753

Females

153

F25-29

31

12M→Finish

12.0 - 13.1 mi

Top 14%
×7story building
+14ft-89ft

Overall

948

Females

192

F25-29

47

Passing Analysis

Category:
Athletes Passed
1582*
Passed By
190
Net Change
+1392
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2852
2M → 4M40517+388#2852#2464
4M → 6M2645+259#2464#2205
6M → 8M123*137-14#2205#2219
8M → 9.6M3821+381#2219#1838
9.6M → 10M805+75#1838#1763
10M → 10.5M97+2#1763#1761
10.5M → 12M24513+232#1761#1529
12M → Finish74*5+69#1529#1460
TOTALS1582*190+1392

* 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