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SF MARATHON 1ST HALF 2025

Alex Lopez

Bib: 12759•M•Age: 38

Henderson, NV

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Male)
#0 / 3977
Division (M35-39)
#0 / 583
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Start
0:00:00
Race begins
1.81M
17:26
Rank: #3133
Start → 1.81M
9:38/mi
17:26 split
5.34M
54:14
Rank: #3801 (-668)
1.81M → 5.34M
10:25/mi
36:48 split
6.15M
1:02:55
Rank: #3768 (+33)
5.34M → 6.15M
10:43/mi
8:41 split
10.54M
1:53:15
Rank: #4259 (-491)
6.15M → 10.54M
11:28/mi
50:20 split
11.05M
2:02:10
Rank: #4403 (-144)
10.54M → 11.05M
17:29/mi
8:55 split
Finish· 13.11 mi
2:26:35
Rank: #4468 (-65)
11.05M → Finish
11:51/mi
24:25 split

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time1:02:55
Pace10:14 /mi
2nd Half
Distance6.96 mi
Time1:23:40
Pace12:01 /mi
📊Positive Split: 33.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:52:5217:269:3817:26
9:38
-
5.34M
5.34 mi07:29:4054:1410:0936:48
10:25
+0:47
6.15M
6.15 mi07:38:211:02:5510:148:41
10:43
+0:18
10.54M
10.54 mi08:28:411:53:1510:4550:20
11:28
+0:45
11.05M
11.05 mi08:37:362:02:1011:038:55
17:29
+6:01
Finish
13.11 mi09:02:012:26:3511:1124:25
11:51
-5:38

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

9:38 /mi

Average Pace

11:11 /mi

Slowest Pace

17:29 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

17:26

12% of race

Time at Steady Pace

2:00:14

82% of race

Time at Slower Pace

8:55

6% of race

Average Pace: 11:11 /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...
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
1.81M
1.81 mi06:52:5217:269:3817:26
9:38
#3133
5.34M
5.34 mi07:29:4054:1410:0936:48
10:25
#3801
6.15M
6.15 mi07:38:211:02:5510:148:41
10:43
#3768
10.54M
10.54 mi08:28:411:53:1510:4550:20
11:28
#4259
11.05M
11.05 mi08:37:362:02:1011:038:55
17:29
#4403
Finish
13.11 mi09:02:012:26:3511:1124:25
11:51
#4468
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
1.81M1.81 mi1.81 mi313321573133133(Top 44%)2157(Top 54%)313(Top 54%)
5.34M5.34 mi3.53 mi3801-6682510-353371-584134(Top 58%)2681(Top 67%)397(Top 68%)
6.15M6.15 mi0.81 mi3768+332489+21372-13749(Top 53%)2468(Top 62%)349(Top 60%)
10.54M10.54 mi4.39 mi4259-4912735-246406-344836(Top 68%)2978(Top 75%)438(Top 75%)
11.05M11.05 mi0.51 mi4403-1442805-70415-95470(Top 77%)3256(Top 82%)476(Top 82%)
Finish13.11 mi2.06 mi4468-652815-10418-34805(Top 68%)2896(Top 73%)421(Top 72%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 44%
~flat
+4ft-3ft

Overall

3133

Males

2157

M35-39

313

1.81M→5.34M

1.8 - 5.3 mi

Top 58%
×4story building
+80ft-74ft

Overall

4134

Males

2681

M35-39

397

5.34M→6.15M

5.3 - 6.2 mi

Top 53%
×10story building
+126ft-4ft

Overall

3749

Males

2468

M35-39

349

6.15M→10.54M

6.2 - 10.5 mi

Top 68%
×21story building
+230ft-361ft

Overall

4836

Males

2978

M35-39

438

10.54M→11.05M

10.5 - 11.1 mi

Top 77%
×14story building
+172ft-0ft

Overall

5470

Males

3256

M35-39

476

11.05M→Finish

11.1 - 13.1 mi

Top 68%
×7story building
+97ft-114ft

Overall

4805

Males

2896

M35-39

421

Passing Analysis

Category:
Athletes Passed
269*
Passed By
1604
Net Change
-1335
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#3133
1.81M → 5.34M71*739-668#3133#3801
5.34M → 6.15M7744+33#3801#3768
6.15M → 10.54M55*546-491#3768#4259
10.54M → 11.05M9153-144#4259#4403
11.05M → Finish57*122-65#4403#4468
TOTALS269*1604-1335

* 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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The San Francisco Marathon

The San Francisco Marathon

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