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SF MARATHON 1ST HALF 2025

Eric Nguyen

Los Angeles, CA

Bib: 16474 M 35

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 50%
Gender (Male)
#0 / 3977
Division (M35-39)
#0 / 583
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
10:28/mi
18:57
→ flat
12 ft elev
5.34M
10:28/mi
55:53
↑ 80↓ 74
19 ft elev
6.15M
10:56/mi
1:04:44
↑ 1262.8%
149 ft elev
10.54M
10:10/mi
1:49:21
↑ 230↓ 3610.6%
20 ft elev
11.05M
13:57/mi
1:56:28
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
10:38/mi
2:18:22
↑ 97↓ 1140.2%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time1:04:44
Pace10:32 /mi
2nd Half
Distance6.96 mi
Time1:13:38
Pace10:35 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi07:06:5618:5710:2818:57
10:28
-
5.34M
5.34 mi07:43:5255:5310:2836:56
10:28
0:00
6.15M
6.15 mi07:52:431:04:4410:328:51
10:56
+0:28
10.54M
10.54 mi08:37:201:49:2110:2344:37
10:10
-0:46
11.05M
11.05 mi08:44:271:56:2810:327:07
13:57
+3:47
Finish
13.11 mi09:06:212:18:2210:3321:54
10:38
-3:19

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

10:10 /mi

Average Pace

10:33 /mi

Slowest Pace

13:57 /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

2:11:15

95% of race

Time at Slower Pace

7:07

5% of race

Average Pace: 10:33 /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 mi07:06:5618:5710:2818:57
10:28
#4838
5.34M
5.34 mi07:43:5255:5310:2836:56
10:28
#4367
6.15M
6.15 mi07:52:431:04:4410:328:51
10:56
#4277
10.54M
10.54 mi08:37:201:49:2110:2344:37
10:10
#3699
11.05M
11.05 mi08:44:271:56:2810:327:07
13:57
#3657
Finish
13.11 mi09:06:212:18:2210:3321:54
10:38
#3545
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
1.81M1.81 mi1.81 mi4838301443648383014436
5.34M5.34 mi3.53 mi4367+4712790+224410+2642002711401
6.15M6.15 mi0.81 mi4277+902745+45403+740282613378
10.54M10.54 mi4.39 mi3699+5782442+303367+3631582153312
11.05M11.05 mi0.51 mi3657+422420+22364+331682127298
Finish13.11 mi2.06 mi3545+1122344+76354+1033562173314

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 68%
~flat
+4ft-3ft

Overall

4838

Males

3014

M35-39

436

1.81M→5.34M

1.8 - 5.3 mi

Top 59%
×4story building
+80ft-74ft

Overall

4200

Males

2711

M35-39

401

5.34M→6.15M

5.3 - 6.2 mi

Top 57%
×10story building
+126ft-4ft

Overall

4028

Males

2613

M35-39

378

6.15M→10.54M

6.2 - 10.5 mi

Top 44%
×21story building
+230ft-361ft

Overall

3158

Males

2153

M35-39

312

10.54M→11.05M

10.5 - 11.1 mi

Top 45%
×14story building
+172ft-0ft

Overall

3168

Males

2127

M35-39

298

11.05M→Finish

11.1 - 13.1 mi

Top 47%
×7story building
+97ft-114ft

Overall

3356

Males

2173

M35-39

314

Passing Analysis

Category:
Athletes Passed
1483*
Passed By
190
Net Change
+1293
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#4838
1.81M → 5.34M557*86+471#4838#4367
5.34M → 6.15M11828+90#4367#4277
6.15M → 10.54M598*20+578#4277#3699
10.54M → 11.05M7331+42#3699#3657
11.05M → Finish137*25+112#3657#3545
TOTALS1483*190+1293

* 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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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events