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SF MARATHON 2ND HALF 2026

Courtney Gunder De Soto

Bib: 26400•F•Age: 38

Antioch, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Female)
#0 / 1760
Division (F35-39)
#0 / 222
Top 48%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
10:19/mi
20:38
↑ 138↓ 680.7%
4M
9:41/mi
40:00
↑ 1631.4%
6M
13:02/mi
1:06:04
↑ 55↓ 830.3%
8M
8:14/mi
1:22:33
↑ 65↓ 1510.8%
10M
12:57/mi
1:48:26
↑ 61↓ 1741.1%
12M
11:05/mi
2:10:37
↑ 41↓ 530.1%
Finish· 13.11 mi
10:25/mi
2:22:10
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:06:04
Pace11:01 /mi
2nd Half
Distance7.11 mi
Time1:16:06
Pace10:42 /mi
📊Positive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:13:4420:3810:1920:38
10:19
-
4M
4.00 mi09:33:0640:0010:0019:22
9:41
-0:38
6M
6.00 mi09:59:101:06:0411:0126:04
13:02
+3:21
8M
8.00 mi10:15:391:22:3310:1916:29
8:14
-4:48
10M
10.00 mi10:41:321:48:2610:5125:53
12:57
+4:43
12M
12.00 mi11:03:432:10:3710:5322:11
11:05
-1:52
Finish
13.11 mi11:15:162:22:1010:5111:33
10:25
-0:40

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

8:14 /mi

Average Pace

10:51 /mi

Slowest Pace

13:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:29

12% of race

Time at Steady Pace

1:13:44

52% of race

Time at Slower Pace

51:57

37% of race

Average Pace: 10:51 /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 mi09:13:4420:3810:1920:38
10:19
#2283
4M
4.00 mi09:33:0640:0010:0019:22
9:41
#2196
6M
6.00 mi09:59:101:06:0411:0126:04
13:02
#2275
8M
8.00 mi10:15:391:22:3310:1916:29
8:14
#2314
10M
10.00 mi10:41:321:48:2610:5125:53
12:57
#2567
12M
12.00 mi11:03:432:10:3710:5322:11
11:05
#2430
Finish
13.11 mi11:15:162:22:1010:5111:33
10:25
#2359
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi22838361031963(Top 51%)713(Top 41%)88(Top 40%)
4M4.00 mi2.00 mi2196+87796+4093+102135(Top 56%)770(Top 44%)89(Top 40%)
6M6.00 mi2.00 mi2275-79830-3499-62479(Top 65%)945(Top 54%)111(Top 50%)
8M8.00 mi2.00 mi2314-39848-1898+12437(Top 63%)926(Top 53%)113(Top 51%)
10M10.00 mi2.00 mi2567-253994-146123-253131(Top 82%)1334(Top 76%)160(Top 72%)
12M12.00 mi2.00 mi2430+137921+73113+101963(Top 51%)713(Top 41%)88(Top 40%)
Finish13.11 mi1.11 mi2359+71883+38106+71800(Top 47%)642(Top 36%)80(Top 36%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 51%
×9story building
+138ft-68ft

Overall

1963

Females

713

F35-39

88

2M→4M

2.0 - 4.0 mi

Top 56%
×13story building
+163ft-19ft

Overall

2135

Females

770

F35-39

89

4M→6M

4.0 - 6.0 mi

Top 65%
×4story building
+55ft-83ft

Overall

2479

Females

945

F35-39

111

6M→8M

6.0 - 8.0 mi

Top 63%
×10story building
+65ft-151ft

Overall

2437

Females

926

F35-39

113

8M→10M

8.0 - 10.0 mi

Top 82%
×10story building
+61ft-174ft

Overall

3131

Females

1334

F35-39

160

10M→12M

10.0 - 12.0 mi

Top 51%
×3story building
+41ft-53ft

Overall

1963

Females

713

F35-39

88

12M→Finish

12.0 - 13.1 mi

Top 47%
×1human
+6ft-6ft

Overall

1800

Females

642

F35-39

80

Passing Analysis

Category:
Athletes Passed
432*
Passed By
508
Net Change
-76
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2283
2M → 4M15770+87#2283#2196
4M → 6M27106-79#2196#2275
6M → 8M3069-39#2275#2314
8M → 10M3*256-253#2314#2567
10M → 12M1392+137#2567#2430
12M → Finish76*5+71#2430#2359
TOTALS432*508-76

* 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