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SF MARATHON 1ST HALF 2026

Jessica Nelson

Bib: 16249•F•Age: 26

Petaluma, 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
10:20/mi
20:40
→ flat
4M
10:38/mi
41:56
↑ 67↓ 69
6M
16:56/mi
1:15:49
↑ 1231.1%
8M
10:30/mi
1:36:50
↑ 166↓ 531.1%
9.6M
10:30/mi
1:53:38
↑ 68↓ 1931.5%
10M
22:02/mi
2:02:26
↓ 241.1%
10.5M
5:02/mi
2:04:57
↓ 732.7%
12M
15:46/mi
2:28:36
↑ 2803.2%
Finish· 13.11 mi
10:54/mi
2:40:41
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:15:49
Pace12:38 /mi
2nd Half
Distance7.11 mi
Time1:24:52
Pace11:56 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:06:3020:4010:2020:40
10:20
-
4M
4.00 mi07:27:4641:5610:2921:16
10:38
+0:18
6M
6.00 mi08:01:391:15:4912:3833:53
16:56
+6:18
8M
8.00 mi08:22:401:36:5012:0621:01
10:30
-6:26
9.6M
9.60 mi08:39:281:53:3811:5016:48
10:30
0:00
10M
10.00 mi08:48:162:02:2612:158:48
22:02
+11:32
10.5M
10.50 mi08:50:472:04:5711:542:31
5:02
-17:00
12M
12.00 mi09:14:262:28:3612:2323:39
15:46
+10:44
Finish
13.11 mi09:26:312:40:4112:1512:05
10:54
-4:52

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

5:02 /mi

Average Pace

12:15 /mi

Slowest Pace

22:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31

2% of race

Time at Steady Pace

1:31:50

57% of race

Time at Slower Pace

1:06:20

41% of race

Average Pace: 12:15 /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 mi07:06:3020:4010:2020:40
10:20
#3633
4M
4.00 mi07:27:4641:5610:2921:16
10:38
#3684
6M
6.00 mi08:01:391:15:4912:3833:53
16:56
#5996
8M
8.00 mi08:22:401:36:5012:0621:01
10:30
#5329
9.6M
9.60 mi08:39:281:53:3811:5016:48
10:30
#5244
10M
10.00 mi08:48:162:02:2612:158:48
22:02
#5188
10.5M
10.50 mi08:50:472:04:5711:542:31
5:02
#5132
12M
12.00 mi09:14:262:28:3612:2323:39
15:46
#4919
Finish
13.11 mi09:26:312:40:4112:1512:05
10:54
#4785
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 64%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:19

Segment Time

12:35/mi

Pace

0.90 mi

Distance

Overall

4239

Women

1607

Division

397

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi363312403014084(Top 62%)1545(Top 53%)373(Top 55%)
4M4.00 mi2.00 mi3684-511258-18304-33754(Top 57%)1293(Top 44%)324(Top 48%)
6M6.00 mi2.00 mi5996-23122532-1274603-2996584(Top 100%)2927(Top 100%)668(Top 99%)
8M8.00 mi2.00 mi5329+6672113+419509+942986(Top 45%)909(Top 31%)217(Top 32%)
9.6M9.60 mi1.60 mi5244+852075+38514-54560(Top 69%)1845(Top 63%)452(Top 67%)
10M10.00 mi0.40 mi5188+562042+33501+134562(Top 69%)1795(Top 61%)431(Top 64%)
10.5M10.50 mi0.50 mi5132+562015+27495+63273(Top 50%)1108(Top 38%)269(Top 40%)
12M12.00 mi1.50 mi4919+2131918+97471+244084(Top 62%)1545(Top 53%)373(Top 55%)
Finish13.11 mi1.11 mi4785+1341846+72452+193918(Top 60%)1463(Top 50%)369(Top 55%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 62%
~flat
+5ft-3ft

Overall

4084

Females

1545

F25-29

373

2M→4M

2.0 - 4.0 mi

Top 57%
×4story building
+67ft-69ft

Overall

3754

Females

1293

F25-29

324

4M→6M

4.0 - 6.0 mi

Top 100%
×9story building
+123ft-9ft

Overall

6584

Females

2927

F25-29

671

6M→8M

6.0 - 8.0 mi

Top 45%
×12story building
+166ft-53ft

Overall

2986

Females

909

F25-29

217

8M→9.6M

8.0 - 9.6 mi

Top 69%
×13story building
+68ft-193ft

Overall

4560

Females

1845

F25-29

452

9.6M→10M

9.6 - 10.0 mi

Top 69%
×2story building
+0ft-24ft

Overall

4562

Females

1795

F25-29

431

10M→10.5M

10.0 - 10.5 mi

Top 50%
×6story building
+1ft-73ft

Overall

3273

Females

1108

F25-29

269

10.5M→12M

10.5 - 12.0 mi

Top 62%
×21story building
+280ft-26ft

Overall

4084

Females

1545

F25-29

373

12M→Finish

12.0 - 13.1 mi

Top 60%
×7story building
+14ft-89ft

Overall

3918

Females

1463

F25-29

369

Passing Analysis

Category:
Athletes Passed
1507*
Passed By
2659
Net Change
-1152
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3633
2M → 4M150201-51#3633#3684
4M → 6M4*2316-2312#3684#5996
6M → 8M667*0+667#5996#5329
8M → 9.6M16176+85#5329#5244
9.6M → 10M7721+56#5244#5188
10M → 10.5M560+56#5188#5132
10.5M → 12M249*36+213#5132#4919
12M → Finish143*9+134#4919#4785
TOTALS1507*2659-1152

* 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