Traci Iwamoto

Bib: 16084FAge: 39

Mill valley, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 7100
Top 33%
Gender (Female)
#0 / 3107
Top 21%
Division (F35-39)
#0 / 389
Top 24%
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.81M
9:12/mi
16:39
→ flat
5.34M
9:22/mi
49:44
8074
6.15M
9:21/mi
57:18
1262.8%
10.54M
9:42/mi
1:39:55
2303610.6%
11.05M
11:44/mi
1:45:54
1726.4%
Finish· 13.11 mi
10:27/mi
2:07:25
971140.2%

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 6.15MFaster
Distance6.15 mi
Time57:18
Pace9:19 /mi
2nd Half
Distance6.96 mi
Time1:10:07
Pace10:05 /mi
📊Positive Split: 22.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:50:5316:399:1216:39
9:12
-
5.34M
5.34 mi07:23:5849:449:1933:05
9:22
+0:10
6.15M
6.15 mi07:31:3257:189:197:34
9:21
-0:01
10.54M
10.54 mi08:14:091:39:559:2942:37
9:42
+0:21
11.05M
11.05 mi08:20:081:45:549:355:59
11:44
+2:02
Finish
13.11 mi08:41:392:07:259:4321:31
10:27
-1:17

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

9:12 /mi

Average Pace

9:43 /mi

Slowest Pace

11:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:39

13% of race

Time at Steady Pace

1:23:16

65% of race

Time at Slower Pace

27:30

22% of race

Average Pace: 9:43 /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
1.81M
1.81 mi06:50:5316:399:1216:39
9:12
#2299
5.34M
5.34 mi07:23:5849:449:1933:05
9:22
#2368
6.15M
6.15 mi07:31:3257:189:197:34
9:21
#2248
10.54M
10.54 mi08:14:091:39:559:2942:37
9:42
#2343
11.05M
11.05 mi08:20:081:45:549:355:59
11:44
#2229
Finish
13.11 mi08:41:392:07:259:4321:31
10:27
#2342
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
1.81M1.81 mi1.81 mi2299614852299(Top 32%)614(Top 20%)85(Top 22%)
5.34M5.34 mi3.53 mi2368-69644-3090-52430(Top 34%)677(Top 22%)94(Top 24%)
6.15M6.15 mi0.81 mi2248+120599+4586+41760(Top 25%)411(Top 13%)63(Top 16%)
10.54M10.54 mi4.39 mi2343-95646-4795-92521(Top 36%)722(Top 23%)101(Top 26%)
11.05M11.05 mi0.51 mi2229+114594+5286+91439(Top 20%)321(Top 10%)50(Top 13%)
Finish13.11 mi2.06 mi2342-113658-6493-73071(Top 43%)1040(Top 33%)135(Top 35%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 32%
~flat
+4ft-3ft

Overall

2299

Females

614

F35-39

85

1.81M→5.34M

1.8 - 5.3 mi

Top 34%
×4story building
+80ft-74ft

Overall

2430

Females

677

F35-39

94

5.34M→6.15M

5.3 - 6.2 mi

Top 25%
×10story building
+126ft-4ft

Overall

1760

Females

411

F35-39

63

6.15M→10.54M

6.2 - 10.5 mi

Top 36%
×21story building
+230ft-361ft

Overall

2521

Females

722

F35-39

101

10.54M→11.05M

10.5 - 11.1 mi

Top 20%
×14story building
+172ft-0ft

Overall

1439

Females

321

F35-39

50

11.05M→Finish

11.1 - 13.1 mi

Top 43%
×7story building
+97ft-114ft

Overall

3071

Females

1040

F35-39

135

Passing Analysis

Category:
Athletes Passed
540*
Passed By
583
Net Change
-43
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#2299
1.81M5.34M158*227-69#2299#2368
5.34M6.15M13111+120#2368#2248
6.15M10.54M99*194-95#2248#2343
10.54M11.05M1228+114#2343#2229
11.05MFinish30*143-113#2229#2342
TOTALS540*583-43

* 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

Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events