San Francisco Marathon logo
SF MARATHON 1ST HALF 2023

Birendra Singh

Folsom, CA

Bib: 11813 M 41

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 6072
Top 36%
Gender (Male)
#0 / 3331
Top 45%
Masters (Masters Men)
#0 / 1028
Top 34%
Division (M40-44)
#0 / 332
Top 41%
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.40M
9:13/mi
12:54
→ flat
11 ft elev
2.13M
18:50/mi
26:39
→ flat
13 ft elev
6.43M
11:14/mi
1:14:59
↑ 274↓ 780.9%
213 ft elev
6.62M
-40:-53/mi
1:07:24
↑ 161.6%
239 ft elev
10.65M
9:27/mi
1:45:31
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
9:29/mi
2:08:49
↑ 244↓ 1141.0%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:07:2410:11 /mi+8.9%
2nd Half
1:01:259:28 /mi✓ faster
Negative split — 8.9% faster 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
1.40M
1.40 mi06:55:1712:549:1312:54
9:13
-
2.13M
2.13 mi07:09:0226:3912:3113:45
18:50
+9:37
6.43M
6.43 mi07:57:221:14:5911:4048:20
11:14
-7:36
6.62M
6.62 mi07:49:471:07:2410:11
-40:-53
-52:07
10.65M
10.65 mi08:27:541:45:319:5438:07
9:27
+50:20
Finish
13.11 mi08:51:122:08:499:5023:18
9:29
+0:02

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

-41:-53 /mi

Average Pace

9:50 /mi

Slowest Pace

18:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:08:49

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:50 /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...
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
1.40M
1.40 mi06:55:1712:549:1312:54
9:13
#2746
2.13M
2.13 mi07:09:0226:3912:3113:45
18:50
#2699
6.43M
6.43 mi07:57:221:14:5911:4048:20
11:14
#2325
6.62M
6.62 mi07:49:471:07:2410:11
-40:-53
#2108
10.65M
10.65 mi08:27:541:45:319:5438:07
9:27
#2094
Finish
13.11 mi08:51:122:08:499:5023:18
9:29
#2204
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
1.40M1.40 mi1.40 mi2746180116527461801165
2.13M2.13 mi0.73 mi2699+471787+14166-128331846170
6.43M6.43 mi4.30 mi2325+3741583+204145+2122401510129
6.62M6.62 mi0.19 mi2108+2171438+145130+15---
10.65M10.65 mi4.03 mi2094+141432+613022541515138
Finish13.11 mi2.46 mi2204-1101494-62136-626821714165

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 45%
~flat
+3ft-2ft

Overall

2746

Males

1801

M40-44

165

1.40M→2.13M

1.4 - 2.1 mi

Top 47%
~flat
+3ft-1ft

Overall

2833

Males

1846

M40-44

172

2.13M→6.43M

2.1 - 6.4 mi

Top 37%
×17story building
+274ft-78ft

Overall

2240

Males

1510

M40-44

129

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M40-44

-

6.62M→10.65M

6.6 - 10.7 mi

Top 37%
×21story building
+153ft-361ft

Overall

2254

Males

1515

M40-44

138

10.65M→Finish

10.7 - 13.1 mi

Top 44%
×17story building
+244ft-114ft

Overall

2682

Males

1714

M40-44

165

Passing Analysis

Category:
Athletes Passed
1045*
Passed By
503
Net Change
+542
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#2746
1.40M → 2.13M189142+47#2746#2699
2.13M → 6.43M459*85+374#2699#2325
6.43M → 6.62M2203+217#2325#2108
6.62M → 10.65M129*115+14#2108#2094
10.65M → Finish48*158-110#2094#2204
TOTALS1045*503+542

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

Passing Charts

Category:
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

Public Race Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events