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SF MARATHON 2025

Brenda Calderon

Bib: 5581•F•Age: 41

Apodaca

0:00
0:00
/ mi
Masters
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Overall
#0 / 6545
Gender (Female)
#0 / 1878
Masters (Masters Women)
#0 / 470
Division (F40-44)
#0 / 155
Race Day Weather
56°/46°F
overcast clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
1.81 Miles
21:26
Rank: #6253
Start → 1.81 Miles
21:26 | 11:50/mi
5.55 Miles
1:06:54
Rank: #6175 (+78)
1.81 Miles → 5.55 Miles
45:28 | 12:09/mi
6.52 Miles
1:19:54
Rank: #6208 (-33)
5.55 Miles → 6.52 Miles
13:00 | 13:24/mi
10.87 Miles
2:11:08
Rank: #6046 (+162)
6.52 Miles → 10.87 Miles
51:14 | 11:47/mi
Garmin Hill Challenge· 11.38 mi
2:20:06
Rank: #6058 (-12)
10.87 Miles → Garmin Hill Challenge
8:58 | 17:36/mi
14.95 Miles
3:04:09
Rank: #5959 (+99)
Garmin Hill Challenge → 14.95 Miles
44:03 | 12:20/mi
18 Miles
3:41:46
Rank: #5855 (+104)
14.95 Miles → 18 Miles
37:37 | 12:20/mi
25 Miles
5:11:56
Rank: #5630 (+225)
18 Miles → 25 Miles
1:30:10 | 12:53/mi
Finish· 26.22 mi
5:27:08
Rank: #5602 (+28)
25 Miles → Finish
15:12 | 12:28/mi

The Course

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81 Miles
1.81 mi06:03:5621:2611:5021:26
11:50
-
5.55 Miles
5.55 mi06:49:241:06:5412:0345:28
12:09
+0:19
6.52 Miles
6.52 mi07:02:241:19:5412:1513:00
13:24
+1:15
10.87 Miles
10.87 mi07:53:382:11:0812:0451:14
11:47
-1:37
Garmin Hill Challenge
11.38 mi08:02:362:20:0612:198:58
17:36
+5:49
14.95 Miles
14.95 mi08:46:393:04:0912:1944:03
12:20
-5:16
18 Miles
18.00 mi09:24:163:41:4612:1937:37
12:20
0:00
25 Miles
25.00 mi10:54:265:11:5612:291:30:10
12:53
+0:33
Finish
26.22 mi11:09:385:27:0812:2915:12
12:28
-0:25

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

11:47 /mi

Average Pace

12:29 /mi

Slowest Pace

17:36 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

5:05:10

93% of race

Time at Slower Pace

21:58

7% of race

Average Pace: 12:29 /mi

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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...
0mi6.6mi13.1mi19.7mi26.2mi
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
1.81 Miles
1.81 mi06:03:5621:2611:5021:26
11:50
#6253
5.55 Miles
5.55 mi06:49:241:06:5412:0345:28
12:09
#6175
6.52 Miles
6.52 mi07:02:241:19:5412:1513:00
13:24
#6208
10.87 Miles
10.87 mi07:53:382:11:0812:0451:14
11:47
#6046
Garmin Hill Challenge
11.38 mi08:02:362:20:0612:198:58
17:36
#6058
14.95 Miles
14.95 mi08:46:393:04:0912:1944:03
12:20
#5959
18 Miles
18.00 mi09:24:163:41:4612:1937:37
12:20
#5855
25 Miles
25.00 mi10:54:265:11:5612:291:30:10
12:53
#5630
Finish
26.22 mi11:09:385:27:0812:2915:12
12:28
#5602
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
1.81 Miles1.81 mi1.81 mi625317341366253(Top 96%)1734(Top 92%)136(Top 88%)
5.55 Miles5.55 mi3.74 mi6175+781700+34135+16117(Top 93%)1673(Top 89%)128(Top 83%)
6.52 Miles6.52 mi0.97 mi6208-331708-8132+36258(Top 96%)1722(Top 92%)134(Top 86%)
10.87 Miles10.87 mi4.35 mi6046+1621635+73127+55663(Top 87%)1482(Top 79%)115(Top 74%)
Garmin Hill Challenge11.38 mi0.51 mi6058-121637-2128-16095(Top 93%)1658(Top 88%)126(Top 81%)
14.95 Miles14.95 mi3.57 mi5959+991607+30124+45786(Top 88%)1547(Top 82%)119(Top 77%)
18 Miles18.00 mi3.05 mi5855+1041574+33121+34348(Top 66%)1060(Top 56%)69(Top 45%)
25 Miles25.00 mi7.00 mi5630+2251509+65114+75034(Top 77%)1374(Top 73%)103(Top 66%)
Finish26.22 mi1.22 mi5602+281503+6113+15001(Top 76%)1367(Top 73%)101(Top 65%)

Segment Performance Analysis

Start → 1.81 Miles

0.0 - 1.8 mi

Top 96%
×1human
+6ft-10ft

Overall

6253

Females

1734

F40-44

137

1.81 Miles→5.55 Miles

1.8 - 5.5 mi

Top 93%
×6stories
+97ft-86ft

Overall

6117

Females

1673

F40-44

129

5.55 Miles→6.52 Miles

5.5 - 6.5 mi

Top 96%
×15stories
+178ft-5ft

Overall

6258

Females

1722

F40-44

135

6.52 Miles→10.87 Miles

6.5 - 10.9 mi

Top 87%
×20stories
+201ft-318ft

Overall

5663

Females

1482

F40-44

115

10.87 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 93%
×11stories
+134ft-79ft

Overall

6095

Females

1658

F40-44

126

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 88%
×17stories
+251ft-225ft

Overall

5786

Females

1547

F40-44

119

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 66%
×12stories
+165ft-60ft

Overall

4348

Females

1060

F40-44

69

18 Miles→25 Miles

18.0 - 25.0 mi

Top 77%
×22stories
+142ft-378ft

Overall

5034

Females

1374

F40-44

103

25 Miles→Finish

25.0 - 26.2 mi

Top 76%
~flat
+2ft-0ft

Overall

5001

Females

1367

F40-44

101

Passing Analysis

Category:
Athletes Passed
859*
Passed By
208
Net Change
+651
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81 Miles----#6253
1.81 Miles → 5.55 Miles153*75+78#6253#6175
5.55 Miles → 6.52 Miles1750-33#6175#6208
6.52 Miles → 10.87 Miles178*16+162#6208#6046
10.87 Miles → Garmin Hill Challenge1123-12#6046#6058
Garmin Hill Challenge → 14.95 Miles110*11+99#6058#5959
14.95 Miles → 18 Miles112*8+104#5959#5855
18 Miles → 25 Miles243*18+225#5855#5630
25 Miles → Finish35*7+28#5630#5602
TOTALS859*208+651

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

The San Francisco Marathon

The San Francisco Marathon