San Francisco Marathon logo
SF MARATHON 1ST HALF 2023

Bruce Nahan

Bib: 13892•M•Age: 29

Austin, TX

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 6072
Gender (Male)
#0 / 3331
Division (M25-29)
#0 / 688
Race Day Weather
60°/50°F
overcast clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
9:26/mi
13:12
→ flat
2.13M
19:30/mi
27:26
→ flat
6.43M
12:05/mi
1:19:25
↑ 274↓ 780.9%
6.62M
-41:-56/mi
1:11:38
↑ 161.6%
10.65M
10:48/mi
1:55:09
↑ 153↓ 3611.0%
Finish· 13.11 mi
12:53/mi
2:26:50
↑ 244↓ 1141.0%

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.

Half Splits

1st Half· via 6.62MFaster
Distance6.62 mi
Time1:11:38
Pace10:49 /mi
2nd Half
Distance6.49 mi
Time1:15:12
Pace11:35 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi06:55:5213:129:2613:12
9:26
-
2.13M
2.13 mi07:10:0627:2612:5314:14
19:30
+10:04
6.43M
6.43 mi08:02:051:19:2512:2151:59
12:05
-7:25
6.62M
6.62 mi07:54:181:11:3810:49
-41:-56
-54:01
10.65M
10.65 mi08:37:491:55:0910:4943:31
10:48
+52:44
Finish
13.11 mi09:09:302:26:5011:1231:41
12:53
+2:05

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

-42:-56 /mi

Average Pace

11:12 /mi

Slowest Pace

19:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:50

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:12 /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 mi06:55:5213:129:2613:12
9:26
#3138
2.13M
2.13 mi07:10:0627:2612:5314:14
19:30
#3168
6.43M
6.43 mi08:02:051:19:2512:2151:59
12:05
#3153
6.62M
6.62 mi07:54:181:11:3810:49
-41:-56
#2989
10.65M
10.65 mi08:37:491:55:0910:4943:31
10:48
#3342
Finish
13.11 mi09:09:302:26:5011:1231:41
12:53
#3948
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.40M1.40 mi1.40 mi313820054643138(Top 52%)2005(Top 60%)464(Top 67%)
2.13M2.13 mi0.73 mi3168-302016-11466-23379(Top 56%)2135(Top 64%)482(Top 70%)
6.43M6.43 mi4.30 mi3153+152018-2464+23235(Top 53%)2058(Top 62%)464(Top 67%)
6.62M6.62 mi0.19 mi2989+1641926+92443+21---
10.65M10.65 mi4.03 mi3342-3532124-198484-413955(Top 65%)2401(Top 72%)542(Top 79%)
Finish13.11 mi2.46 mi3948-6062414-290544-605362(Top 88%)3029(Top 91%)644(Top 94%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 52%
~flat
+3ft-2ft

Overall

3138

Males

2005

M25-29

467

1.40M→2.13M

1.4 - 2.1 mi

Top 56%
~flat
+3ft-1ft

Overall

3379

Males

2135

M25-29

488

2.13M→6.43M

2.1 - 6.4 mi

Top 53%
×17story building
+274ft-78ft

Overall

3235

Males

2058

M25-29

466

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M25-29

-

6.62M→10.65M

6.6 - 10.7 mi

Top 65%
×21story building
+153ft-361ft

Overall

3955

Males

2401

M25-29

543

10.65M→Finish

10.7 - 13.1 mi

Top 88%
×17story building
+244ft-114ft

Overall

5362

Males

3029

M25-29

644

Passing Analysis

Category:
Athletes Passed
667*
Passed By
1477
Net Change
-810
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#3138
1.40M → 2.13M167197-30#3138#3168
2.13M → 6.43M277*262+15#3168#3153
6.43M → 6.62M1739+164#3153#2989
6.62M → 10.65M44*397-353#2989#3342
10.65M → Finish6*612-606#3342#3948
TOTALS667*1477-810

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

📊

Passing Visuals

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
Share Feedback

Public Race Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events