San Francisco Marathon logo
SF MARATHON 2023

Lei Lin

Bib: 1303•M•Age: 45

Fremont, CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 4888
Top 46%
Gender (Male)
#0 / 3570
Masters (Masters Men)
#0 / 1128
Top 43%
Division (M45-49)
#0 / 279
Top 48%
Race Day Weather
69°/59°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2.2 Miles
18:02
Rank: #2268
Start → 2.2 Miles
18:02 | 8:12/mi
5.7 Miles
55:31
Rank: #2789 (-521)
2.2 Miles → 5.7 Miles
37:29 | 10:43/mi
6.43 Miles
1:05:00
Rank: #2657 (+132)
5.7 Miles → 6.43 Miles
9:29 | 12:59/mi
10.92 Miles
1:46:18
Rank: #2534 (+123)
6.43 Miles → 10.92 Miles
41:18 | 9:12/mi
Garmin Hill Challenge· 11.42 mi
1:51:29
Rank: #2414 (+120)
10.92 Miles → Garmin Hill Challenge
5:11 | 10:22/mi
14.95 Miles
2:24:43
Rank: #2561 (-147)
Garmin Hill Challenge → 14.95 Miles
33:14 | 9:25/mi
18 Miles
2:57:36
Rank: #2396 (+165)
14.95 Miles → 18 Miles
32:53 | 10:47/mi
24 Miles
4:07:04
Rank: #2579 (-183)
18 Miles → 24 Miles
1:09:28 | 11:35/mi
Finish· 26.22 mi
4:22:30
Rank: #2232 (+347)
24 Miles → Finish
15:26 | 6:57/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.2 Miles
2.20 mi05:37:5618:028:1218:02
8:12
-
5.7 Miles
5.70 mi06:15:2555:319:4437:29
10:43
+2:31
6.43 Miles
6.43 mi06:24:541:05:0010:079:29
12:59
+2:16
10.92 Miles
10.92 mi07:06:121:46:189:4441:18
9:12
-3:47
Garmin Hill Challenge
11.42 mi07:11:231:51:299:465:11
10:22
+1:10
14.95 Miles
14.95 mi07:44:372:24:439:4133:14
9:25
-0:57
18 Miles
18.00 mi08:17:302:57:369:5232:53
10:47
+1:22
24 Miles
24.00 mi09:26:584:07:0410:181:09:28
11:35
+0:48
Finish
26.22 mi09:42:244:22:3010:0115:26
6:57
-4:38

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

6:57 /mi

Average Pace

10:01 /mi

Slowest Pace

12:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:48:00

41% of race

Time at Steady Pace

1:15:33

29% of race

Time at Slower Pace

1:18:57

30% of race

Average Pace: 10:01 /mi

Loading chart...
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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2.2 Miles
2.20 mi05:37:5618:028:1218:02
8:12
#2268
5.7 Miles
5.70 mi06:15:2555:319:4437:29
10:43
#2789
6.43 Miles
6.43 mi06:24:541:05:0010:079:29
12:59
#2657
10.92 Miles
10.92 mi07:06:121:46:189:4441:18
9:12
#2534
Garmin Hill Challenge
11.42 mi07:11:231:51:299:465:11
10:22
#2414
14.95 Miles
14.95 mi07:44:372:24:439:4133:14
9:25
#2561
18 Miles
18.00 mi08:17:302:57:369:5232:53
10:47
#2396
24 Miles
24.00 mi09:26:584:07:0410:181:09:28
11:35
#2579
Finish
26.22 mi09:42:244:22:3010:0115:26
6:57
#2232
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
2.2 Miles2.20 mi2.20 mi226818701402268(Top 46%)1870(Top 52%)140(Top 50%)
5.7 Miles5.70 mi3.50 mi2789-5212252-382172-323038(Top 62%)2422(Top 68%)180(Top 65%)
6.43 Miles6.43 mi0.73 mi2657+1322157+95166+62163(Top 44%)1816(Top 51%)122(Top 44%)
10.92 Miles10.92 mi4.49 mi2534+1232088+69156+102396(Top 49%)1996(Top 56%)139(Top 50%)
Garmin Hill Challenge11.42 mi0.50 mi2414+1202001+87146+101065(Top 22%)960(Top 27%)50(Top 18%)
14.95 Miles14.95 mi3.53 mi2561-1472098-97154-83011(Top 62%)2388(Top 67%)181(Top 65%)
18 Miles18.00 mi3.05 mi2396+1651977+121145+92034(Top 42%)1688(Top 47%)124(Top 44%)
24 Miles24.00 mi6.00 mi2579-1832073-96155-103014(Top 62%)2298(Top 64%)181(Top 65%)
Finish26.22 mi2.22 mi2232+3471815+258134+2199(Top 2%)90(Top 3%)8(Top 3%)

Segment Performance Analysis

Start → 2.2 Miles

0.0 - 2.2 mi

Top 46%
×1human
+8ft-12ft

Overall

2268

Males

1870

M45-49

141

2.2 Miles→5.7 Miles

2.2 - 5.7 mi

Top 62%
×6stories
+92ft-87ft

Overall

3038

Males

2422

M45-49

180

5.7 Miles→6.43 Miles

5.7 - 6.4 mi

Top 44%
×11stories
+137ft-3ft

Overall

2163

Males

1816

M45-49

122

6.43 Miles→10.92 Miles

6.4 - 10.9 mi

Top 49%
×21stories
+225ft-318ft

Overall

2396

Males

1996

M45-49

139

10.92 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 22%
×11stories
+134ft-123ft

Overall

1065

Males

960

M45-49

50

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 62%
×16stories
+234ft-225ft

Overall

3011

Males

2388

M45-49

181

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 42%
×12stories
+165ft-60ft

Overall

2034

Males

1688

M45-49

124

18 Miles→24 Miles

18.0 - 24.0 mi

Top 62%
×21stories
+142ft-377ft

Overall

3014

Males

2298

M45-49

181

24 Miles→Finish

24.0 - 26.2 mi

Top 2%
~flat
+2ft-2ft

Overall

99

Males

90

M45-49

8

Passing Analysis

Category:
Athletes Passed
1057*
Passed By
1021
Net Change
+36
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.2 Miles----#2268
2.2 Miles → 5.7 Miles29*550-521#2268#2789
5.7 Miles → 6.43 Miles1397+132#2789#2657
6.43 Miles → 10.92 Miles154*31+123#2657#2534
10.92 Miles → Garmin Hill Challenge1200+120#2534#2414
Garmin Hill Challenge → 14.95 Miles18165-147#2414#2561
14.95 Miles → 18 Miles175*10+165#2561#2396
18 Miles → 24 Miles75*258-183#2396#2579
24 Miles → Finish347*0+347#2579#2232
TOTALS1057*1021+36

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

📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events