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SF MARATHON 1ST HALF 2026

Helen Do

Bib: 16354•F•Age: 28

Hayward, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F25-29)
#0 / 674
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
11:29/mi
22:58
→ flat
4M
11:31/mi
46:00
↑ 67↓ 69
6M
11:31/mi
1:09:02
↑ 1231.1%
8M
12:00/mi
1:33:02
↑ 166↓ 531.1%
9.6M
12:00/mi
1:52:14
↑ 68↓ 1931.5%
10M
24:59/mi
2:02:13
↓ 241.1%
10.5M
5:50/mi
2:05:08
↓ 732.7%
12M
17:47/mi
2:31:48
↑ 2803.2%
Finish· 13.11 mi
11:29/mi
2:44:32
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:09:02
Pace11:30 /mi
2nd Half
Distance7.11 mi
Time1:35:30
Pace13:26 /mi
📊Positive Split: 38.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:10:0622:5811:2922:58
11:29
-
4M
4.00 mi07:33:0846:0011:3023:02
11:31
+0:02
6M
6.00 mi07:56:101:09:0211:3023:02
11:31
0:00
8M
8.00 mi08:20:101:33:0211:3824:00
12:00
+0:29
9.6M
9.60 mi08:39:221:52:1411:4119:12
12:00
0:00
10M
10.00 mi08:49:212:02:1312:139:59
24:59
+12:59
10.5M
10.50 mi08:52:162:05:0811:552:55
5:50
-19:09
12M
12.00 mi09:18:562:31:4812:3926:40
17:47
+11:57
Finish
13.11 mi09:31:402:44:3212:3312:44
11:29
-6:18

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

5:50 /mi

Average Pace

12:33 /mi

Slowest Pace

24:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55

2% of race

Time at Steady Pace

2:04:58

76% of race

Time at Slower Pace

36:39

22% of race

Average Pace: 12:33 /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 mi07:10:0622:5811:2922:58
11:29
#5403
4M
4.00 mi07:33:0846:0011:3023:02
11:31
#5153
6M
6.00 mi07:56:101:09:0211:3023:02
11:31
#4913
8M
8.00 mi08:20:101:33:0211:3824:00
12:00
#4815
9.6M
9.60 mi08:39:221:52:1411:4119:12
12:00
#5102
10M
10.00 mi08:49:212:02:1312:139:59
24:59
#5168
10.5M
10.50 mi08:52:162:05:0811:552:55
5:50
#5150
12M
12.00 mi09:18:562:31:4812:3926:40
17:47
#5213
Finish
13.11 mi09:31:402:44:3212:3312:44
11:29
#5103
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 83%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:54

Segment Time

14:20/mi

Pace

0.90 mi

Distance

Overall

5481

Women

2308

Division

557

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi540321845315319(Top 81%)2229(Top 76%)537(Top 80%)
4M4.00 mi2.00 mi5153+2502026+158497+344887(Top 74%)1896(Top 65%)464(Top 69%)
6M6.00 mi2.00 mi4913+2401886+140466+314524(Top 69%)1680(Top 57%)415(Top 62%)
8M8.00 mi2.00 mi4815+981820+66446+204566(Top 69%)1674(Top 57%)395(Top 59%)
9.6M9.60 mi1.60 mi5102-2871999-179490-445830(Top 89%)2498(Top 85%)584(Top 87%)
10M10.00 mi0.40 mi5168-662031-32498-85617(Top 85%)2396(Top 82%)560(Top 83%)
10.5M10.50 mi0.50 mi5150+182028+3497+15079(Top 77%)2055(Top 70%)507(Top 75%)
12M12.00 mi1.50 mi5213-632080-52504-75319(Top 81%)2229(Top 76%)537(Top 80%)
Finish13.11 mi1.11 mi5103+1102026+54497+74522(Top 69%)1796(Top 61%)446(Top 66%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 81%
~flat
+5ft-3ft

Overall

5319

Females

2229

F25-29

537

2M→4M

2.0 - 4.0 mi

Top 74%
×4story building
+67ft-69ft

Overall

4887

Females

1896

F25-29

465

4M→6M

4.0 - 6.0 mi

Top 69%
×9story building
+123ft-9ft

Overall

4524

Females

1680

F25-29

415

6M→8M

6.0 - 8.0 mi

Top 69%
×12story building
+166ft-53ft

Overall

4566

Females

1674

F25-29

395

8M→9.6M

8.0 - 9.6 mi

Top 89%
×13story building
+68ft-193ft

Overall

5830

Females

2498

F25-29

584

9.6M→10M

9.6 - 10.0 mi

Top 85%
×2story building
+0ft-24ft

Overall

5617

Females

2396

F25-29

561

10M→10.5M

10.0 - 10.5 mi

Top 77%
×6story building
+1ft-73ft

Overall

5079

Females

2055

F25-29

508

10.5M→12M

10.5 - 12.0 mi

Top 81%
×21story building
+280ft-26ft

Overall

5319

Females

2229

F25-29

537

12M→Finish

12.0 - 13.1 mi

Top 69%
×7story building
+14ft-89ft

Overall

4522

Females

1796

F25-29

446

Passing Analysis

Category:
Athletes Passed
1033*
Passed By
733
Net Change
+300
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5403
2M → 4M29949+250#5403#5153
4M → 6M277*37+240#5153#4913
6M → 8M194*96+98#4913#4815
8M → 9.6M24311-287#4815#5102
9.6M → 10M2793-66#5102#5168
10M → 10.5M235+18#5168#5150
10.5M → 12M72*135-63#5150#5213
12M → Finish117*7+110#5213#5103
TOTALS1033*733+300

* 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