Capital Road Race Management
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SF MARATHON 1ST HALF 2025

Samantha Costantini

San Francisco, CA

Bib: 10896 F 38

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 0.7%
Gender (Female)
#0 / 3107
Top 0.1%
Division (F35-39)
#0 / 389
Top 0.5%
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.81M
6:37/mi
11:59
→ flat
12 ft elev
5.34M
6:36/mi
35:16
↑ 80↓ 74
19 ft elev
6.15M
7:09/mi
41:03
↑ 1262.8%
149 ft elev
10.54M
6:52/mi
1:11:10
↑ 230↓ 3610.6%
20 ft elev
11.05M
9:40/mi
1:16:06
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
7:22/mi
1:31:16
↑ 97↓ 1140.2%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
41:036:41 /mi⚡ faster
2nd Half
50:137:13 /mi+22.3%
Positive split — 22.3% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.81M
11:596:371.81 mi11:59
6:37
-
5.34M
35:166:363.53 mi23:17
6:36
-0:01
6.15M
41:036:410.81 mi5:47
7:09
+0:33
10.54M
1:11:106:454.39 mi30:07
6:52
-0:17
11.05M
1:16:066:530.51 mi4:56
9:40
+2:48
Finish(13.11 mi)
1:31:166:582.06 mi15:10
7:22
-2:18
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:36 /mi

Average Pace

6:58 /mi

Slowest Pace

9:40 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

35:16

39% of race

Time at Steady Pace

51:04

56% of race

Time at Slower Pace

4:56

5% of race

Average Pace: 6:58 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
1.81M1.81 mi44624462
5.34M3.53 mi35+94+223242
6.15M0.81 mi42-7426963
10.54M4.39 mi47-5425652
11.05M0.51 mi46+142221216
Finish(13.11 mi)2.06 mi49-33+128153

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 0.6%
~flat
+4ft-3ft

Overall

44

Females

6

F35-39

2

1.81M→5.34M

1.8 - 5.3 mi

Top 0.5%
×4story building
+80ft-74ft

Overall

32

Females

4

F35-39

2

5.34M→6.15M

5.3 - 6.2 mi

Top 1.0%
×10story building
+126ft-4ft

Overall

69

Females

6

F35-39

3

6.15M→10.54M

6.2 - 10.5 mi

Top 0.8%
×21story building
+230ft-361ft

Overall

56

Females

5

F35-39

2

10.54M→11.05M

10.5 - 11.1 mi

Top 3%
×14story building
+172ft-0ft

Overall

221

Females

21

F35-39

6

11.05M→Finish

11.1 - 13.1 mi

Top 1%
×7story building
+97ft-114ft

Overall

81

Females

5

F35-39

3

Passing Analysis

Category:
Passed
14*
Passed By
19
Net Change
-5
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#44
1.81M → 5.34M112+9#44#35
5.34M → 6.15M07-7#35#42
6.15M → 10.54M16-5#42#47
10.54M → 11.05M10+1#47#46
11.05M → Finish1*4-3#46#49
TOTALS14*19-5

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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