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SF MARATHON 1ST HALF 2026

Daniela DeSousa

Bib: 18177•F•Age: 48

Castro Valley, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Masters (Masters Women)
#0 / 781
Top 49%
Division (F45-49)
#0 / 183
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
11:06/mi
22:12
→ flat
4M
10:54/mi
44:00
↑ 67↓ 69
6M
11:34/mi
1:07:08
↑ 1231.1%
8M
11:09/mi
1:29:26
↑ 166↓ 531.1%
9.6M
11:09/mi
1:47:17
↑ 68↓ 1931.5%
10M
22:14/mi
1:56:10
↓ 241.1%
10.5M
5:42/mi
1:59:01
↓ 732.7%
12M
16:15/mi
2:23:24
↑ 2803.2%
Finish· 13.11 mi
12:18/mi
2:37:02
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:07:08
Pace11:11 /mi
2nd Half
Distance7.11 mi
Time1:29:54
Pace12:39 /mi
📊Positive Split: 33.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:02:4322:1211:0622:12
11:06
-
4M
4.00 mi07:24:3144:0011:0021:48
10:54
-0:12
6M
6.00 mi07:47:391:07:0811:1123:08
11:34
+0:40
8M
8.00 mi08:09:571:29:2611:1122:18
11:09
-0:25
9.6M
9.60 mi08:27:481:47:1711:1117:51
11:09
0:00
10M
10.00 mi08:36:411:56:1011:378:53
22:14
+11:05
10.5M
10.50 mi08:39:321:59:0111:202:51
5:42
-16:32
12M
12.00 mi09:03:552:23:2411:5724:23
16:15
+10:33
Finish
13.11 mi09:17:332:37:0211:5913:38
12:18
-3:57

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

5:42 /mi

Average Pace

11:59 /mi

Slowest Pace

22:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51

2% of race

Time at Steady Pace

2:00:55

77% of race

Time at Slower Pace

33:16

21% of race

Average Pace: 11:59 /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 mi07:02:4322:1211:0622:12
11:06
#4868
4M
4.00 mi07:24:3144:0011:0021:48
10:54
#4399
6M
6.00 mi07:47:391:07:0811:1123:08
11:34
#4490
8M
8.00 mi08:09:571:29:2611:1122:18
11:09
#4194
9.6M
9.60 mi08:27:481:47:1711:1117:51
11:09
#4405
10M
10.00 mi08:36:411:56:1011:378:53
22:14
#4416
10.5M
10.50 mi08:39:321:59:0111:202:51
5:42
#4428
12M
12.00 mi09:03:552:23:2411:5724:23
16:15
#4433
Finish
13.11 mi09:17:332:37:0211:5913:38
12:18
#4489
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

11:44

Segment Time

13:02/mi

Pace

0.90 mi

Distance

Overall

4602

Women

1816

Division

102

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
2M2.00 mi2.00 mi486818711014407(Top 67%)1720(Top 59%)97(Top 53%)
4M4.00 mi2.00 mi4399+4691613+25893+84093(Top 62%)1451(Top 50%)81(Top 44%)
6M6.00 mi2.00 mi4490-911656-4391+24584(Top 70%)1706(Top 58%)90(Top 49%)
8M8.00 mi2.00 mi4194+2961480+17677+143715(Top 57%)1268(Top 43%)62(Top 34%)
9.6M9.60 mi1.60 mi4405-2111621-14188-115181(Top 79%)2163(Top 74%)122(Top 67%)
10M10.00 mi0.40 mi4416-111639-1889-14635(Top 70%)1836(Top 63%)104(Top 57%)
10.5M10.50 mi0.50 mi4428-121641-2894850(Top 74%)1918(Top 65%)108(Top 59%)
12M12.00 mi1.50 mi4433-51660-1990-14407(Top 67%)1720(Top 59%)97(Top 53%)
Finish13.11 mi1.11 mi4489-561689-2996-65121(Top 78%)2146(Top 73%)118(Top 64%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 67%
~flat
+5ft-3ft

Overall

4407

Females

1720

F45-49

98

2M→4M

2.0 - 4.0 mi

Top 62%
×4story building
+67ft-69ft

Overall

4093

Females

1451

F45-49

82

4M→6M

4.0 - 6.0 mi

Top 70%
×9story building
+123ft-9ft

Overall

4584

Females

1706

F45-49

91

6M→8M

6.0 - 8.0 mi

Top 57%
×12story building
+166ft-53ft

Overall

3715

Females

1268

F45-49

63

8M→9.6M

8.0 - 9.6 mi

Top 79%
×13story building
+68ft-193ft

Overall

5181

Females

2163

F45-49

123

9.6M→10M

9.6 - 10.0 mi

Top 70%
×2story building
+0ft-24ft

Overall

4635

Females

1836

F45-49

105

10M→10.5M

10.0 - 10.5 mi

Top 74%
×6story building
+1ft-73ft

Overall

4850

Females

1918

F45-49

109

10.5M→12M

10.5 - 12.0 mi

Top 67%
×21story building
+280ft-26ft

Overall

4407

Females

1720

F45-49

98

12M→Finish

12.0 - 13.1 mi

Top 78%
×7story building
+14ft-89ft

Overall

5121

Females

2146

F45-49

118

Passing Analysis

Category:
Athletes Passed
1171*
Passed By
792
Net Change
+379
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4868
2M → 4M50031+469#4868#4399
4M → 6M101*192-91#4399#4490
6M → 8M348*52+296#4490#4194
8M → 9.6M33244-211#4194#4405
9.6M → 10M4859-11#4405#4416
10M → 10.5M517-12#4416#4428
10.5M → 12M98*103-5#4428#4433
12M → Finish38*94-56#4433#4489
TOTALS1171*792+379

* 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