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SF MARATHON 1ST HALF 2025

Peijun Li

San Francisco, CA

Bib: 10517 M 39

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.81M
10:03/mi
18:12
→ flat
12 ft elev
5.34M
9:43/mi
52:30
↑ 80↓ 74
19 ft elev
6.15M
10:48/mi
1:01:15
↑ 1262.8%
149 ft elev
10.54M
10:01/mi
1:45:13
↑ 230↓ 3610.6%
20 ft elev
11.05M
15:06/mi
1:52:55
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
12:59/mi
2:19:39
↑ 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
1:01:159:58 /mi⚡ faster
2nd Half
1:18:2411:16 /mi+28.0%
Positive split — 28.0% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi07:01:0318:1210:0318:12
10:03
-
5.34M
5.34 mi07:35:2152:309:5034:18
9:43
-0:20
6.15M
6.15 mi07:44:061:01:159:588:45
10:48
+1:05
10.54M
10.54 mi08:28:041:45:139:5943:58
10:01
-0:47
11.05M
11.05 mi08:35:461:52:5510:137:42
15:06
+5:05
Finish
13.11 mi09:02:302:19:3910:3926:44
12:59
-2:07

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

9:43 /mi

Average Pace

10:39 /mi

Slowest Pace

15:06 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

34:18

25% of race

Time at Steady Pace

1:10:55

51% of race

Time at Slower Pace

34:26

25% of race

Average Pace: 10:39 /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.

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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 mi07:01:0318:1210:0318:12
10:03
#4015
5.34M
5.34 mi07:35:2152:309:5034:18
9:43
#3256
6.15M
6.15 mi07:44:061:01:159:588:45
10:48
#3306
10.54M
10.54 mi08:28:041:45:139:5943:58
10:01
#3111
11.05M
11.05 mi08:35:461:52:5510:137:42
15:06
#3176
Finish
13.11 mi09:02:302:19:3910:3926:44
12:59
#3719
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
1.81M1.81 mi1.81 mi4015261537640152615376
5.34M5.34 mi3.53 mi3256+7592215+400330+4630042077302
6.15M6.15 mi0.81 mi3306-502244-29334-438432512355
10.54M10.54 mi4.39 mi3111+1952133+111319+1529512031286
11.05M11.05 mi0.51 mi3176-652166-33321-239872541370
Finish13.11 mi2.06 mi3719-5432441-275370-4956663273484

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 57%
~flat
+4ft-3ft

Overall

4015

Males

2615

M35-39

376

1.81M→5.34M

1.8 - 5.3 mi

Top 42%
×4story building
+80ft-74ft

Overall

3004

Males

2077

M35-39

302

5.34M→6.15M

5.3 - 6.2 mi

Top 54%
×10story building
+126ft-4ft

Overall

3843

Males

2512

M35-39

355

6.15M→10.54M

6.2 - 10.5 mi

Top 42%
×21story building
+230ft-361ft

Overall

2951

Males

2031

M35-39

286

10.54M→11.05M

10.5 - 11.1 mi

Top 56%
×14story building
+172ft-0ft

Overall

3987

Males

2541

M35-39

370

11.05M→Finish

11.1 - 13.1 mi

Top 80%
×7story building
+97ft-114ft

Overall

5666

Males

3273

M35-39

484

Passing Analysis

Category:
Athletes Passed
1116*
Passed By
820
Net Change
+296
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#4015
1.81M → 5.34M782*23+759#4015#3256
5.34M → 6.15M3989-50#3256#3306
6.15M → 10.54M269*74+195#3306#3111
10.54M → 11.05M2085-65#3111#3176
11.05M → Finish6*549-543#3176#3719
TOTALS1116*820+296

* 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