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SF MARATHON 1ST HALF 2026

Gianna Johnson

Bib: 16566•F•Age: 20

Phoenix, AZ

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
F20-29
#0 / 353
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
11:32/mi
23:05
→ flat
4M
11:47/mi
46:38
↑ 67↓ 69
6M
11:58/mi
1:10:34
↑ 1231.1%
8M
11:45/mi
1:34:04
↑ 166↓ 531.1%
9.6M
11:45/mi
1:52:52
↑ 68↓ 1931.5%
10M
22:17/mi
2:01:46
↓ 241.1%
10.5M
5:38/mi
2:04:35
↓ 732.7%
12M
17:05/mi
2:30:13
↑ 2803.2%
Finish· 13.11 mi
11:51/mi
2:43:22
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:10:34
Pace11:46 /mi
2nd Half
Distance7.11 mi
Time1:32:48
Pace13:03 /mi
📊Positive Split: 31.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:07:1223:0511:3223:05
11:32
-
4M
4.00 mi07:30:4546:3811:4023:33
11:47
+0:15
6M
6.00 mi07:54:411:10:3411:4623:56
11:58
+0:11
8M
8.00 mi08:18:111:34:0411:4523:30
11:45
-0:13
9.6M
9.60 mi08:36:591:52:5211:4518:48
11:45
0:00
10M
10.00 mi08:45:532:01:4612:118:54
22:17
+10:32
10.5M
10.50 mi08:48:422:04:3511:522:49
5:38
-16:39
12M
12.00 mi09:14:202:30:1312:3125:38
17:05
+11:27
Finish
13.11 mi09:27:292:43:2212:2813:09
11:51
-5:14

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

5:38 /mi

Average Pace

12:28 /mi

Slowest Pace

22:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49

2% of race

Time at Steady Pace

2:06:01

77% of race

Time at Slower Pace

34:32

21% of race

Average Pace: 12:28 /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 mi07:07:1223:0511:3223:05
11:32
#5456
4M
4.00 mi07:30:4546:3811:4023:33
11:47
#5344
6M
6.00 mi07:54:411:10:3411:4623:56
11:58
#5226
8M
8.00 mi08:18:111:34:0411:4523:30
11:45
#4958
9.6M
9.60 mi08:36:591:52:5211:4518:48
11:45
#5169
10M
10.00 mi08:45:532:01:4612:118:54
22:17
#5114
10.5M
10.50 mi08:48:422:04:3511:522:49
5:38
#5091
12M
12.00 mi09:14:202:30:1312:3125:38
17:05
#5077
Finish
13.11 mi09:27:292:43:2212:2813:09
11:51
#5011
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 70%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:43

Segment Time

13:01/mi

Pace

0.90 mi

Distance

Overall

4590

Women

1812

Division

244

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi545622132904904(Top 75%)1997(Top 68%)264(Top 75%)
4M4.00 mi2.00 mi5344+1122138+75281+95215(Top 79%)2073(Top 71%)274(Top 78%)
6M6.00 mi2.00 mi5226+1182064+74268+135026(Top 76%)1953(Top 67%)261(Top 74%)
8M8.00 mi2.00 mi4958+2681902+162258+104326(Top 66%)1560(Top 53%)194(Top 55%)
9.6M9.60 mi1.60 mi5169-2112033-131266-85661(Top 86%)2412(Top 82%)298(Top 84%)
10M10.00 mi0.40 mi5114+552001+32265+14656(Top 71%)1848(Top 63%)252(Top 71%)
10.5M10.50 mi0.50 mi5091+231991+10262+34731(Top 72%)1847(Top 63%)243(Top 69%)
12M12.00 mi1.50 mi5077+142004-13269-74904(Top 75%)1997(Top 68%)264(Top 75%)
Finish13.11 mi1.11 mi5011+661975+29265+44806(Top 73%)1960(Top 67%)256(Top 73%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 75%
~flat
+5ft-3ft

Overall

4904

Females

1997

F20-24

264

2M→4M

2.0 - 4.0 mi

Top 79%
×4story building
+67ft-69ft

Overall

5215

Females

2073

F20-24

275

4M→6M

4.0 - 6.0 mi

Top 76%
×9story building
+123ft-9ft

Overall

5026

Females

1953

F20-24

262

6M→8M

6.0 - 8.0 mi

Top 66%
×12story building
+166ft-53ft

Overall

4326

Females

1560

F20-24

194

8M→9.6M

8.0 - 9.6 mi

Top 86%
×13story building
+68ft-193ft

Overall

5661

Females

2412

F20-24

298

9.6M→10M

9.6 - 10.0 mi

Top 71%
×2story building
+0ft-24ft

Overall

4656

Females

1848

F20-24

252

10M→10.5M

10.0 - 10.5 mi

Top 72%
×6story building
+1ft-73ft

Overall

4731

Females

1847

F20-24

243

10.5M→12M

10.5 - 12.0 mi

Top 75%
×21story building
+280ft-26ft

Overall

4904

Females

1997

F20-24

264

12M→Finish

12.0 - 13.1 mi

Top 73%
×7story building
+14ft-89ft

Overall

4806

Females

1960

F20-24

256

Passing Analysis

Category:
Athletes Passed
988*
Passed By
543
Net Change
+445
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5456
2M → 4M18371+112#5456#5344
4M → 6M183*65+118#5344#5226
6M → 8M301*33+268#5226#4958
8M → 9.6M29240-211#4958#5169
9.6M → 10M8227+55#5169#5114
10M → 10.5M230+23#5114#5091
10.5M → 12M104*90+14#5091#5077
12M → Finish83*17+66#5077#5011
TOTALS988*543+445

* 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